Gravely 988117-H Manuale utente

Marca
Gravely
Modello
988117-H
Categoria
Attrezzi da giardino
Tipo
Manuale utente
Owner/Operator Manual
Models
988105 - HR1536FX
988106 - HR1548FX
988107 - HR1548FL
988108 - HE1748FL
988109 - HE1752FL
988113 - HR1544FX
988116 - HR1548FLP
988117 - HE1752FLP
988120 - HR1536FXP
988314 - HR1536FXPCE
Pro Unit
04941500 7/03
Printed in USA
ENGLISH
FRANÇAIS
ESPAÑOL
2
MODEL DECLARATION OF CONFORMITY ISSUED BY THE
MANUFACTURER
CERTIFICAT DE CONFORMITÉ DU MODÈLE DÉLIVRÉ PAR LE FABRICANT
VOM HERSTELLER AUSGESTELLTE
MODELL-ÜBEREINSTIMMUNGSERKLÄRUNG
MODELCERTIFICAAT VAN OVEREENSTEMMING AFGEGEVEN DOOR DE
FABRIKANT
DICHIARAZIONE DI CONFORMITÀ DEL PRODOTTO REALIZZATA DAL
PRODUTTORE
MODELO DE DECLARACIÓN DE CONFORMIDAD EMITIDA POR EL FABRICANTE
MODEL KONFORMITETSERKLÆRING UDSTEDT AF FABRIKANTEN
MODELLENS SAMSVARSERKLÆRING UTFERDIGET AV PRODUSENTEN
FÖRSÄKRAN OM MODELLÖVERENSSTÄMMELSE, UTFÄRDAT AV TILLVERKAREN
We the undersigned, - Je soussigné, - Mit meiner Unterschrift - Wij de ondergetekenden, - Il sottoscritto, - El abajo
firmante - Undertegnede, - Undertecknaren av detta dokument, - Me, allekirjoittaneet,
ARIENS COMPANY, declare that the Lawn Mower- certifie que la tondeuse à gazon - erklärt, dass der
Rasenmäher - verklaart dat de maaitrekker - dichiara che il tosaerba - certifica que el cortacésped - erklærer, at
græsslåmaskinen - erklærer at plenklipperen - intygar att gräsklipparen:
conform to the specifications of directive 2000/14/EC, 98/37/EC, 89/336/EEC and their current amendments.
est conforme aux spécifications des directives 2000/14/EC, 98/37/EC et 89/336/EEC et à leurs modifications
actuelles.
den Spezifikationen der Richtlinie 2000/14/EC, 98/37/EC, 89/336/EEC und deren aktuellen Zusätzen entspricht.
voldoet aan de specificaties van richtlijn 2000/14/EG, 98/37/EG, 89/336/EEG en recente aanvullingen hierop.
è conforme alle specifiche contenute nelle direttive 2000/14/EC, 98/37/EC, 89/336/EEC e nei loro relativi
amendamenti.
cumple las especificaciones de la normativa 2000/14/EC, 98/37/EC, 89/336/EEC y sus enmiendas en curso.
opfylder specifikationerne i Direktiv 2000/14/EF, 98/37/EF, 89/336/EØF og gældende ændringer.
er i overensstemmelse med spesifikasjonene i direktiv 2000/14/EF, 98/37/EF, 89/336/EØF og de gjeldende
endringer.
överensstämmer med specifikationerna i direktiven 2000/14/EC, 98/37/EC, 89/336/EEC och deras nuvarande
tillägg.
Category:
WALK BEHIND LAWN MOWER
Make and Trade Name:
GRAVELY
Model: 988314
Serial #Range: 00101 & up
Cutting Width (cm): 89.5
Representative Measured Sound Power
Level -
Niveau de puissance acoustique
représentatif
Repräsentativer gemessener Geräuschpegel
Typisch gemeten geluidssterkteniveau
Livello di potenza sonora rappresentativo
rilevato
Nivel de potencia acústica representativo
medido
Repræsentativt målt lydstyrkeniveau
Representativt målt lydeffektnivå
Representativ uppmätt ljudnivå
99 dB
A
Guaranteed Sound Power Level -
Niveau garanti de puissance acoustique
Garantierter Geräuschpegel
Gegarandeerd geluidssterkteniveau
Livello di potenza sonora garantito
Nivel de potencia acústica garantizado
Garanteret lydstyrkeniveau
Garantert lydeffektnivå
Garanterad ljudnivå
100 dB
A
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, Wisconsin 54110-0157
USA
Telephone (920) 756-2141
Facsimile (920) 756-2407
3
Stated Sound Power Levels are established following Annex VIII “Full Quality Assurance” of directive 2000/14/EC.
Les déclarations de niveau de puissance acoustique sont établies conformément à l’Article VIII « Assurance
qualité totale » de la directive 2000/14/EC.
Die angegebenen Geräuschpegel wurden gemäß Anhang VIII „Totales Qualitäts-Management“ der EU-Richtlinie
2000/14/EC.
Gespecificeerde geluidssterkteniveaus zijn vastgesteld aan de hand van Annex VIII “Full Quality Assurance”
(Volledige kwaliteitsborging) van richtlijn 2000/14/EG.
I livelli di potenza sonora dichiarati sono rilevati in base all’Appendice VIII del “Controllo qualità totale” della direttiva
CE/2000/14.
Los niveles de potencia acústica se establecen siguiendo el Anexo VIII “Garantía de calidad total” de la directiva
2000/14/EC.
De anførte lydstyrkeniveauer er fastlagte efter tillæg VIII “Fuld kvalitets sikring” i direktiv 2000/14/EF.
Lydeffektnivåene er fastsatt etter tillegg VIII ”Full kvalitetssikring” i direktivet 2000/14/EF.
Fastställda ljudnivåer har etablerats enligt bilaga VIII “Full kvalitetssäkring” i direktiv 2000/14/EC.
Notified Body –
Entité notifiée – Benachrichtigte Körperschaft –
Certificeringsinstantie –Organismo notificato –
Cuerpo notificado – Bekendtgjort til – Kunngjøring til –
Underrättad myndighet –
SNCH/TUV Rheinland
11, Route de Luxembourg
L-5230 Sandweiler
Keeper of Technical File-
Dépositaire du fichier technique - Verwalter der
technischen Dokumente - Houder technische
gegevens - Depositario del file tecnico -
Depositario del archivo técnico - Ansvarlig for
teknisk data - Ansvarlig for teknisk
dokumentasjon - Innehavare of teknisk fil -
Philip J. Smucker
Signature/Unterschrift/
Handtekening/Firma/
Underskrift/Underskrift
Handlekening/Under-
skrift/Allekirjoitus
6/16/03
Date/Datum/Data/
Fecha/Dato/Päiväys
Philip J. Smucker
Manager of Product Conformance
Position/Qualité/Functie/Qualifica/Puesto/Stilling/Titel/Arvo
Ariens Company
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
WARNING
4
ENGLISH
1. Operator Presence
Control Lever
2. Steering Lever Latch
(988105, 106, 107, 108,
109, 113)
3. Parking Brake
4. Choke Control
5. Throttle Lever
6. Oil Light (988108, 109,
117)
7. PTO Switch
8. Speed Control Levers
(988105, 106, 107, 108,
109, 113)
9. Single Lever Plate
(988105, 106, 107, 108,
109, 113)
10. Hourmeter
11. Fuel Cap
12. Hydraulic Fluid Tank
13. Recoil Starter Handle
14. Cold Start Disengage
15. Battery (988108, 109,
117)
16. Ignition Switch
17. Bypass Valve Levers
18. Steering Lever (988105,
106, 107, 108, 109, 113)
19. Control Levers (988116,
117, 120, 314)
20. Control Stop Lock Lever
(988116, 117, 120, 314)
21. Pivot Bar (988116, 117,
120, 314)
FRANÇAIS
1. Contacteur de présence
de l’opérateur
2. Verrou de la poignée
de direction (988105,
106, 107, 108, 109, 113)
3. Frein de stationnement
4. Starter
5. Manette des gaz
6. Témoin de niveau d’huile
(988108, 109, 117)
7. PdF
8. Leviers de vitesses
(988105, 106, 107, 108,
109, 113)
9. Plaque de levier unique
(988105, 106, 107, 108,
109, 113)
10. Compteur horaire
11. Bouchon du réservoir
12. Réservoir d’huile
hydraulique
13. Poignée du démarreur
manuel
14. Démarrage par temps
froid
15. Batterie (988108, 109,
117)
16. Contacteur d’allumage
17. Manettes de la valve
de roue libre
18. Poignée de direction
(988105, 106, 107, 108,
109, 113)
19. Leviers de commande
(988116, 117, 120, 314)
20. Levier de verrouillage de
butée de commande
(988116, 117, 120, 314)
21. Barre de pivot (988116,
117, 120, 314)
ESPAÑOL
1. Palanca de control de
presencia del operador
2. Traba de la palanca
de dirección (988105, 106,
107, 108, 109, 113)
3. Freno de estacionamiento
4. Control del estrangulador
5. Palanca de aceleración
6. Luz del aceite (988108,
109, 117)
7. Commande de la TDF
8. Palancas de control
de velocidad (988105,
106, 107, 108, 109, 113)
9. Placa para palanca
sencilla (988105, 106,
107, 108, 109, 113)
10. Horómetro
11. Tapa de combustible
12. Depósito del líquido
hidráulico
13. Manilla de arranque de
retroceso
14. Desactivación de
arranque en frío
15. Batería (988108, 109, 117)
16. Interruptor de encendido
17. Palancas de la válvula
de sobrecarga
18. Palanca direccional
(988105, 106, 107, 108,
109, 113)
19.
Palancas de control
(988116, 117, 120, 314)
20. Palanca de control de
traba por tope (988116,
117, 120, 314)
21. Barra de pivote (988116,
117, 120, 314)
Figure 1
OG1300
OG0542
7
8
9
10
16
12
17
13
1
2
3456
11
15
13
3
3
14
2
1
18
19
5
10
7
20
17
16
15
21
1
11
15
12
17
14
988105,
106, 107,
108, 109,
113
988116,
117, 120,
314
CONTROLS AND FEATURES
GB - 5
º
Controls and Features. . . . . . . . . . . . . . . . . . . . . 4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Service and Adjustments . . . . . . . . . . . . . . . . . . 20
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 28
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
THE MANUAL
Before operation of unit, carefully and completely read
your manuals. The contents will provide you with an
understanding of safety instructions and controls during
normal operation and maintenance.
All reference to left, right, front, or rear are given from
operator standing in operation position and facing the
direction of forward travel.
MODEL AND SERIAL NUMBERS
When ordering replacement parts or
making service inquiries, know the
Model and Serial numbers of your
unit and engine.
Numbers are located on the product
registration form in the unit literature
package. They are printed on a
serial number label, located on the
frame of your unit.
• Record Engine Model and Serial numbers here.
PRODUCT REGISTRATION
The Gravely dealer must register the product at the time
of purchase. Registering the product will help the
company process warranty claims or contact you with
the latest service information. All claims meeting
requirements during the limited warranty period will be
honored, whether or not the product registration card is
returned. Keep a proof of purchase if you do not register
your unit.
Customer Note:
If Dealer does not register your
product, please fill out, sign and return the product
registration card to Gravely.
UNAUTHORIZED REPLACEMENT PARTS
Use only Gravely replacement parts. The replacement
of any part on this vehicle with anything other than a
Gravely authorized replacement part may adversely
affect the performance, durability, or safety of this unit
and may void the warranty. Gravely disclaims liability for
any claims or damages, whether warranty, property
damage, personal injury or death arising out of the use
of unauthorized replacement parts. To locate your
nearest Gravely Dealer, call 1-800-472-8359 or go to
www.gravely.com on the internet.
DISCLAIMER
Gravely reserves the right to discontinue, make
changes to, and add improvements upon its products at
any time without public notice or obligation.The
descriptions and specifications contained in this manual
were in effect at printing. Equipment described within
this manual may be optional. Some illustrations may not
be applicable to your unit.
DEALER DELIVERY
Dealer should:
1. Check all controls for proper function.
2. Check the safety interlock system to make sure
that it is functioning properly. (See
Check Safety
Interlock System
on page 17.)
3. Fill out Original Purchaser Registration Card and
return the card to Gravely.
4. Explain Limited Warranty Policy.
TABLE OF CONTENTS
INTRODUCTION
Transfer
model & serial
number label
from product
registration
here.
Serial
Number
Label
Figure 2
OG1400
© Copyright 2003 Ariens Company
GB - 6
5. Explain recommended lubrication and
maintenance. Advise customer on adjustments.
6. Instruct customer on controls and operation of
unit. Discuss and emphasize the Safety
Precautions. Give customer Owner/Operator,
Parts, and Engine Manuals. Advise customer to
thoroughly read and understand them.
SAFETY ALERTS
Look for these symbols to point out
important safety precautions. They mean:
Attention!
Personal Safety Is Involved!
Become Alert!
Obey The Message!
The safety alert symbols above and signal words below
are used on decals and in this manual.
Read and understand all safety messages.
NOTATIONS
NOTE:
General reference information for proper
operation and maintenance practices.
IMPORTANT:
Specific procedures or information
required to prevent damage to unit or attachment.
PRACTICES AND LAWS
Practice usual and customary safe working
precautions, for the benefit of yourself and others.
Understand and follow all safety messages. Be alert to
unsafe conditions and the possibility of minor,
moderate, or serious injury or death. Learn applicable
rules and laws in your area, including those that may
restrict the age of the operator.
REQUIRED OPERATOR TRAINING
Original purchaser of this unit was instructed by the
seller on safe and proper operation. If unit is to be used
by someone other than original purchaser; loaned,
rented or sold, ALWAYS provide this manual and any
needed safety training before operation.
SAFETY DECALS AND LOCATIONS
ALWAYS replace missing or damaged Safety Decals.
Refer to figures below for Safety Decal locations.
SAFETY
WARNING:
This cutting machine is capable
of amputating hands and feet and throwing
objects. Failure to observe the safety
instructions in the manuals and on decals
could result in serious injury or death.
Slopes are a major factor related to
loss-of-control and tip-over accidents.
Operation on all slopes requires extra
caution.
Tragic accidents can occur if the operator is
not alert to the presence of children. Never
assume that children will remain where you
last saw them.
Gasoline is extremely flammable and the
vapors are explosive, handle with care.
Disengage attachment, stop unit and engine,
remove key, engage parking brake, and allow
moving parts to stop before leaving operator’s
position.
DANGER:
IMMINENTLY HAZARDOUS
SITUATION! If not avoided, WILL RESULT in
death or serious injury.
WARNING:
POTENTIALLY HAZARDOUS
SITUATION! If not avoided, COULD
RESULT in death or serious injury.
CAUTION:
POTENTIALLY HAZARDOUS
SITUATION! If not avoided, MAY RESULT in
minor or moderate injury. It may also be
used to alert against unsafe practices.
DANGER/ PELIGRO
07731400D
WARNING/AVERTISSEMENT/ADVER
TENCIA
Do not operate
mower unless
guards are in
operating position
or bagger is
attached.
Ne jamais utiliser
la tondeuse sans
protecteur sur le
canal d'ejection
ou
sans le bac
monte.
No operar segadora a
menos que las
defensas esten en
posicion de operacion
o el recogedor este
fijo.
07742300B
DANGER/ PELIGRO
07731400D
Mantenerse alejado de las
piezas giratorias.
Stay clear of rotating parts.
DANGER/PELIGRO
05236900A
Rester à l’écart des pièces
en rotation.
Figure 3
1
2
3
4
OG1498
2
GB - 7
1. Danger! To avoid serious injury or death
2. Danger! Rotating Blades
3. Warning!
4. Danger!
SAFETY RULES
Read, understand and follow all safety practices in
Owner/Operator Manual before beginning assembly.
Failure to follow instructions could result in personal
injury and/or damage to unit.
ALWAYS remove key (if equipped) and disconnect wire
from spark plug before assembly. Unintentional engine
start up can cause death or serious injury.
Complete a walk around inspection of unit and work
area to understand:
• Work area
• Your unit
• All safety decals
Read the operator’s manual.
Keep children and others away from unit
while operating.
Never direct discharge toward other
people. Thrown objects can cause injury.
• Keep safety devices (guards, shields,
switches, etc.) in place and working.
• Check interlock system per manual before
use.
• Never allow operation by untrained persons.
• When parking on a slope always engage
parking brake. Disengage PTO, stop unit and
engine, set parking brake and remove key
before making any inspections, repairs, etc.
ROTATING BLADE! Keep hands and
feet away.
DANGER/ PELIGRO
07731400D
WARNING/AVERTISSEMENT/ADVERTENCIA
Do not operate mower
unless guards are in
operating position or
bagger is attached.
Ne jamais utiliser
la tondeuse sans
protecteur sur le
canal d'ejection ou
sans le bac monte.
No operar segadora a
menos que las defensas
esten en posicion de
operacion o el recogedor
este fijo.
07742300B
DANGER/ PELIGRO
07731400D
05356100A
DANGER / PELIGRO
• Mantenga artefactores de seguridad (defensas, protectores, interruptores, etc.) en su lugar y
trabajando.
• Verifique en el manual el sistema de engranar antes de usar. •
No permitir que personal sin
la necesaria formación use la máquina.
•
Cuando se estacione en una pendiente,
TO AVOID SERIOUS INJURY OR DEATH:
Read the operator's manual. • Keep children
and others away from unit while operating. •
Never direct discharge toward other people.
Thrown objects can cause injury. • Keep
safety devices (guards, shields,
switches, etc.) in place and
working. • Check interlock
system per manual before use. •
Never allow operation by
untrained persons.
• Maintenez toujours en place tous
les elements de securite
(protecteurs, interupteurs, etc.). •
Controlez le bon fonctionnement
des interrupteurs de securité avant
utilisation tel q'uindiqué dans le
manuel d'utilisation. •
Ne jamais permettre l'utilisation
par des personnes n'ayant pas
reçu la formation nécessaire.
•
En cas de stationnement en
Mantenerse alejado de las
piezas giratorias.
Stay clear of rotating parts.
DANGER/PELIGRO
05236900A
Rester à l’écart des pièces
en rotation.
Figure 4
1
2
3
4
OG1495
2
OL1801
OL4370
OL0910
OL3030
Always stand clear of discharge area.
DO NOT direct discharge toward other
people. Remove objects that could be
thrown by the blade. DO NOT operate
mower over gravel and hard surfaces.
Keep people and pets away when
operating unit. Keep children out of the
work area and under the watchful care
of a responsible adult.
Shut off engine, remove key, read
manual before you unplug, adjust or
repair unit.
NO STEP! Always keep feet away from
rotating parts.
Always stand clear of discharge.
DO NOT operate mower unless guards
are in operating position or bagger is
attached.
Stay clear of rotating parts.
OL0910
OL4370
OL4010
OL4420
OL0910
OL3320
OL5100
GB - 8
ALWAYS check overhead and side clearances carefully
before operation.
ALWAYS be aware of traffic when operating along
streets or curbs.
Keep children and people away.
Keep children out of work area and under watchful care
of a responsible adult.
Keep area of operation clear of all toys, pets, and
debris. Thrown objects can cause injury.
Check for weak spots on docks, ramps or floors. Avoid
uneven work areas and rough terrain.
ALWAYS be sure of your footing. Keep a firm hold on
handlebar. Walk, NEVER run.
DO NOT operate on wet grass.
Dust, smoke, fog, etc. can reduce vision and cause an
accident. Operate unit only when there is good visibility
and light.
Read the entire Owner/Operator manual and other
training material. If the operator or the mechanic
cannot read the manual, it is the owner’s responsibility
to explain it to them. Only the user can prevent and is
responsible for accidents or injuries occurring to
themselves, other people or property.
• Only trained adults may operate or service unit
• Training includes actual operation
NEVER allow children to operate or play on or near
unit.
Be alert and shut off unit if children enter area.
Never carry passengers.
NEVER operate unit after or during the use of
medication, drugs or alcohol. Safe operation requires
your complete and unimpaired attention at all times.
NEVER allow anyone to operate this unit when their
alertness or coordination is impaired.
Wear adequate safety gear, protective gloves and
footwear.
NEVER wear open sandals or canvas shoes during
operation.
Protect eyes, face and head from objects that may be
thrown from unit. Wear appropriate hearing protection.
Sharp edges can cut. Moving parts can cut off fingers
or a hand. Wrap blade(s), wear sturdy gloves and use
extreme caution when servicing. On multi-blade
mowers, rotation of one blade will cause all blades to
rotate.
ALWAYS keep hands and feet away from all rotating
parts during operation. Rotating parts can cut off body
parts.
ALWAYS keep hands away from all pinch points.
DO NOT touch unit parts which might be hot from
operation. Allow parts to cool before attempting to
maintain, adjust or service.
NEVER place your hands or any part of your body or
clothing inside or near any moving part while unit is
running.
DO NOT wear loose clothing or jewelry. Tie back hair
that may get caught in rotating parts.
Keep children and people away from unit during
operation.
Fumes from engine exhaust can cause injury or death.
DO NOT run engine in an enclosed area. Always
provide good ventilation.
Thrown objects can cause injury and property damage.
DO NOT point discharge at anyone or discharge
directly onto paved or gravel surfaces.
Always stand clear of the discharge area when
operating this unit.
Read, understand, and follow all instructions in the
manual and on the machine before starting.
Understand:
• How to operate all controls
• The functions of all controls
• How to STOP in an Emergency
• Braking and steering characteristics
• Turning radius and clearance
ALWAYS keep protective structures, guards, and
panels in good repair, in place and securely fastened.
NEVER modify or remove safety devices.
ALWAYS keep discharge cover or complete grass
catcher in place and in proper working condition.
Check steering control operation frequently. Adjust and
service as required.
Safety Interlock System must function properly. DO
NOT operate unit if operator presence control is
damaged or disabled.
If you strike an object, or if equipment vibrates
abnormally, stop engine at once, disengage PTO, wait
for all moving parts to stop, and remove key. Check for
any damage or loose parts. Repair before restart.
Before starting engine: disengage PTO, engage
parking brake and place unit in neutral.
DO NOT operate at too fast a rate. DO NOT change
engine governor settings or over-speed engine. Slow
down and turn corners slowly.
Disengage PTO when attachment is not in use. DO
NOT raise deck with blades running. ALWAYS turn off
power to attachment when travelling, crossing
driveways, etc.
Avoid uneven and rough terrain. DO NOT operate near
drop offs, ditches, or embankments. Unit can suddenly
turn over if a wheel is over the edge of a cliff or ditch, or
if an edge caves in.
DO NOT try to stabilize unit by putting foot on ground
when operating with applicable riding attachments.
GB - 9
When engine is running and speed control lever is
forward, holding only one steering lever will cause unit
to circle around one drive wheel.
Use care when approaching blind corners, shrubs,
trees or other objects that may obscure view.
ALWAYS disengage PTO, stop unit and engine, set
parking brake, remove key and allow moving parts to
stop before clearing clogs or cleaning unit.
Never leave a running unit unattended. ALWAYS shut
off engine before leaving unit.
ALWAYS remove key to prevent unauthorized use.
DO NOT operate in reverse unless absolutely
necessary. ALWAYS backup slowly. ALWAYS look
down and behind, before and while backing.
DO NOT operate on steep slopes. DO NOT operate on
slopes of more than 10°. Operate across the face of
slopes, not up and down.
Turf conditions can affect the unit’s stability.
Keep all movement on slopes slow and gradual. DO
NOT make sudden changes in speed or direction. Use
a slow speed to avoid stopping or shifting on slopes.
Avoid starting or stopping on a slope.
DO NOT park unit on a slope unless absolutely
necessary. When parking on a slope always engage
parking brake and block wheels.
Use extra care when loading or unloading unit onto
trailer or truck.
Secure unit chassis to transport vehicle. NEVER
secure from rods or linkages that could be damaged.
DO NOT transport machine while engine is running.
Keep unit free of grass, leaves, or other debris. Clean
up oil or fuel spills.
This product is equipped with an internal combustion
engine. DO NOT use on or near any unimproved, forest
covered or brush covered land unless the exhaust
system is equipped with a spark arrester meeting
applicable local, state or federal laws. A spark arrester,
if used, must be maintained in effective working order
by the operator.
Fuel is highly flammable and its vapors are explosive.
Handle with care. Use an approved fuel container.
No smoking, No sparks, No flames. ALWAYS allow
engine to cool before servicing.
NEVER fill fuel tank when engine is running or hot from
operation.
NEVER fill or drain fuel tank indoors.
Replace fuel cap securely and clean up spilled fuel.
Never fill containers inside a vehicle or on a truck or
trailer bed with a plastic liner. Always place containers
on the ground away from your vehicle before filling.
When practical, remove gas-powered equipment from
the truck or trailer and refuel it on the ground. If this is
not possible, then refuel such equipment on a trailer
with a portable container, rather than from a gasoline
dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel tank
or container opening at all times until fueling is
complete. Do not use a nozzle lock-open device.
If fuel is spilled on clothing, change clothing
immediately.
NEVER store fuel inside where there is an open flame,
such as a water heater.
Avoid Electric Shock. Objects contacting both battery
terminals at the same time may result in injury and unit
damage. DO NOT reverse battery connections.
Reverse connections may result in sparks which can
cause serious injury. Always connect positive (+) lead
of charger to positive (+) terminal, and negative (-) lead
to negative (-) terminal.
ALWAYS disconnect negative (-) cable FIRST and
positive (+) cable SECOND. ALWAYS connect positive
(+) cable FIRST, and negative (-) cable SECOND.
Explosive Gases from battery can cause death or
serious injury. Poisonous battery fluid contains sulfuric
acid and its contact with skin, eyes or clothing can
cause severe chemical burns.
No flames, No sparks, No smoking near battery.
ALWAYS wear safety glasses and protective gear near
battery. Use insulated tools.
DO NOT TIP battery beyond a 45˚ angle in any
direction.
ALWAYS keep batteries out of reach of children.
Battery posts, terminals and related accessories
contain lead and lead compounds, chemicals known to
the State of California to cause cancer and
reproductive harm. Wash hands after handling.
Reverse connections may cause sparks which may
result in injury. ALWAYS connect/disconnect cables in
proper order.
Poisonous battery fluid contains sulfuric acid and its
contact with skin, eyes, or clothing can cause severe
burns.
Explosive Gases! No flames, No sparks, No smoking
near battery.
ALWAYS wear safety glasses and protective gear near
battery.
DO NOT TIP battery beyond a 45° angle in any
direction.
ALWAYS keep batteries out of reach of children.
Before making any inspections, repairs, etc.:
disengage PTO, stop unit and engine, set parking
brake, remove key, allow moving parts to stop.
GB - 10
ALWAYS keep body and hands away from pin holes or
nozzles which eject hydraulic fluid under pressure.
Allow hot parts to cool.
ALWAYS block wheels, engage parking brake and
know all jack stands are strong, secure and will hold
weight of unit during maintenance.
An extension spring, when extended, stores energy
and can be dangerous. Always use tools specifically
designed for installing or removing an extension spring.
Always compress or extend springs slowly.
ALWAYS maintain unit in safe operating condition.
Damaged or worn out muffler can cause fire or
explosion.
Keep hardware, especially blade attachment bolts,
tight.
Maintain or replace safety and instruction labels, as
necessary.
For unit storage or extended storage:
• NEVER store with fuel in fuel tank, inside a
building where any ignition sources are present.
• Allow engine to cool completely.
Use only attachments or accessories designed for your
unit and that can be used safely on your terrain.
Check attachment components frequently for wear,
damage or deterioration. Replace with manufacturer’s
recommended parts for safety.
To reduce fire hazard and overheating, keep equipment
free of grass, leaves, debris or excessive lubricants.
Use extra care with grass catchers and other
attachments. These can change the stability of the unit.
Use only approved hitch points.
ALWAYS be aware of attachments when turning.
ALWAYS allow adequate clearance between
attachments, personnel, and other objects.
1. Remove the unit from shipping container.
2. Adjust tire pressure to 8 to 16 psi (55 to 110 kPa).
3. Service and connect battery.
See Charge Battery
on page 25
.
4. Check the adjustments outlined in
Service &
Adjustments
.
5. Check engine oil level. See engine manual.
6. Check hydraulic fluid level. See
Maintenance
.
7. Add clean fuel to the fuel tank. See engine
manual for type and grade.
8. Check for loose hardware.
9. Be sure that safety interlock system operates
correctly. See
Check Safety Interlock System
on
page 17.
10. Be sure that unit tracks straight.
Unit must not pull sharply to the left or right when
the speed control levers are pushed quickly
forward.
Unit must not pull sharply to the left or right when
the steering levers are released. See
Adjusting
the Unit to Track Straight
on page 20.
CONTROLS AND FEATURES
Safety Interlock System
The engine will only start with the PTO disengaged, the
speed control levers in neutral and the parking brake
on.
Operator Presence Control (988105, 106, 107,
108, 109, 113)
The operator presence control lever must be
depressed to operate the PTO. When the speed control
levers are in forward position, the parking brake is off,
or the PTO is engaged, releasing the operator
presence control lever stops the engine.
NOTE:
Moving the speed control levers out of neutral
with the parking brake engaged will shut down the
engine. PTO must be off and parking brake must be on
to keep engine running when operator presence con-
trol is released.
Operator Presence Control
(988116, 117, 120, 314)
The operator presence control levers must be
depressed to operate the PTO. When the PTO is
engaged, releasing the operator presence control
levers stops the mower blades.
ASSEMBLY
WARNING:
AVOID INJURY. Read and
understand the entire
Safety
section before
proceeding.
OPERATION
WARNING:
AVOID INJURY. Read and
understand the entire
Safety
section before
proceeding.
DANGER:
SAFETY INTERLOCK SYSTEM
FAILURE and improper operation of unit can
result in death or serious injury. ALWAYS
know the safety interlock system is operating
properly. See
Check Safety Interlock System
on page 17 for testing instructions.
GB - 11
Steering Levers (988105, 106, 107, 108, 109,
113)
The steering levers are used to steer, operate in
forward and reverse, and stop the unit.The steering
levers can be set to limit unit’s fastest forward speed.
See
Speed Range Adjustment.
Steering Lever Latches (988105, 106, 107, 108,
109, 113)
The steering lever latches hold the steering levers in
neutral.
Control Levers (988116, 117, 120, 314)
The control levers are used to steer, operate in forward
and reverse, and stop the unit. Push forward to move
forward. Pull back to move in reverse.
Ignition Switch (988108, 109, 117)
Operate the ignition switch with the
removable key. The switch has three
positions: Off (1), On (2) and Start (3). To
start the engine, turn the key to Start, then
release to On. To stop the engine, turn the
key to Off.
Ignition Switch (988105, 106, 107, 113, 116,
120, 314)
Operate the ignition switch with the
removable key. The switch uses two
positions: Off (1) and On (2). To start the
engine, turn the key to On (2) and pull the
recoil handle. To stop the engine, turn the
key to Off (1).
Throttle Lever
The throttle lever changes the speed of the
engine. Move the throttle lever to Fast (1) to
increase engine speed. Move the lever to
Slow (2) to decrease engine speed.
Choke Control
Use the choke control to start a cold
engine. Pull the control out to choke the
engine. Push the control in when the
engine gets warm.
Forward Speed Control Levers (988105, 106,
107, 108, 109, 113)
The speed control levers set forward
ground speed. Push both levers forward to
increase speed. Pull both levers all the way
back for neutral.
Move one lever at a time to control
tracking.
Single Lever Plate (988105, 106, 107, 108, 109,
113)
The single lever plate allows speed control levers to
work as a single unit.
PTO Clutch (988105, 106, 107, 108, 109, 113)
Pull the PTO (power take off) switch On
(1) to engage the mower blades. Push
the PTO switch Off (2) to disengage the
mower blades.
PTO Clutch (988116, 117, 120, 314)
Pull the PTO (power take off) switch past On (1) to
Reset (2) to engage the mower blades. Push the PTO
switch Off (3) to disengage the mower blades.
NOTE:
Pull PTO switch to Reset (2) to engage mower
blades after operator presence control has been
released.
CAUTION:
AVOID INJURY. Operate only
when operator presence control is
functioning correctly. See
Check Safety
Interlock System
on page 17 for testing
instructions.
WARNING:
AVOID INJURY. When the
engine is running and the speed control
levers are engaged, releasing only one
steering latch causes the unit to circle
around one drive wheel.
ALWAYS hold both steering levers in the
neutral position when releasing the steering
lever latches.
ALWAYS release levers slowly.
WARNING:
AVOID INJURY. When the
engine is running , moving only one lever
causes the unit to circle around one drive
wheel.
ALWAYS move levers slowly.
1
3
2
OF1210
1
2
OF1212
OG1180
1
2
OG1190
OG1170
N
OE0260
1
2
OE0261
1
2
3
GB - 12
Parking Brake
The parking brake holds the tractor in
position when not in use.
To engage parking brake, pull the brake
handle back (1).
To release parking brake, push the brake
handle forward (2).
Recoil Starter Handle
Pull the recoil starter handle to start the engine.
Hour Meter
Electric Start: The hour meter measures
the number of hours that the key is in the
run position and operator presence control
is engaged.
Recoil Start: The hour meter measures the number of
hours the engine is running.
Oil Pressure Light (988108, 109, 117)
The red light near this symbol comes on
when the engine is running and engine oil
pressure is low. Check oil level and add if
necessary. See Engine Manual.
Cold Start Disengage
Use the cold start disengage for easier starting on cold
days.
1. Pull out cold start chain 1 to 4 links and lock chain
in frame notch (Figure 5).
2. Start engine and allow engine to warm to
operating temperature.
3. Slowly release chain from notch.
FILL FUEL TANK
Add fuel to the fuel tank as needed. See engine
manual for type and grade of fuel.
To add fuel to the fuel tank:
1. Put the unit in an open area.
2. Stop the engine.
3. Allow engine to cool.
4. Clean the fuel cap and the area around the fuel
cap to prevent dirt from entering the fuel tank.
5. Remove the cap from the fuel tank.
6. Fill the fuel tank. Be careful not to spill.
7. Install the cap on the fuel tank and tighten.
8. Clean up any spilled fuel before starting the
engine.
TO STOP IN AN EMERGENCY
1. Release operator presence control(s).
2. Turn the ignition key Off.
3. Allow engine to stop completely.
4. Engage parking brake.
WARNING: AVOID INJURY. Lock steering
control levers in neutral before disengaging
cold start feature. Unit will move if steering
controls are engaged when cold start feature
is released.
1
2
0 0
0 0 0
0
H
O
U
R
S
1
/1
0
OG0620
OG0600
WARNING: Fuel is highly flammable and its
vapors are explosive. Handle with care. Use
an approved fuel container.
NO smoking, NO sparks, NO flames.
ALWAYS allow engine to cool before
servicing.
NEVER fill fuel tank when engine is running
or hot from operation.
NEVER fill or drain fuel tank indoors.
Replace fuel cap securely and clean up
spilled fuel.
Figure 5
OG1320
Cold Start
Disengage
Notch
GB - 13
STARTING AND SHUT OFF
Before Each Use
Check each item in Each Use in the Maintenance
Schedule.
NOTE: The engine will not start unless the speed
control levers are in neutral, the parking brake is On
and the Power Take Off (PTO) is Off.
Recoil Start (988105, 106, 107, 113)
1. Engage parking brake.
2. Lock the steering lever latches in neutral.
3. Put speed control levers in neutral.
4. Move PTO switch to Off.
5. Set throttle to the proper starting position. If the
engine is cold, choke the engine.
6. Turn ignition switch to On.
7. Grasp recoil starter handle and pull rope out
slowly until it pulls harder. This is the compression
stroke.
8. Let the rope rewind slowly.
9. Pull rope with rapid continuous full arm stroke to
start engine. Allow rope to rewind slowly.
IMPORTANT: DO NOT let starter handle snap against
engine.
10. Repeat until engine starts. (If engine does not
start, refer to Engine Manual.)
11. After engine starts, adjust choke as needed.
Allow engine to warm and run smoothly before
operating unit.
Recoil Start (988116, 120, 314)
1. Engage the parking brake.
2. Bring control levers to neutral.
3. Move PTO switch to Off.
4. Set throttle to the proper starting position. If the
engine is cold, choke the engine.
5. Turn ignition switch to On.
6. Grasp recoil starter handle and pull rope out
slowly until it pulls harder. This is the compression
stroke.
7. Let the rope rewind slowly.
8. Pull rope with rapid continuous full arm stroke to
start engine. Allow rope to rewind slowly.
IMPORTANT: DO NOT let starter handle snap against
engine.
9. Repeat until engine starts. (If engine does not
start, refer to Engine Manual.)
10. After engine starts, adjust choke as needed.
Allow engine to warm and run smoothly before
operating unit.
Electric Start (988108, 109)
To start the engine:
1. Engage parking brake.
2. Lock the steering lever latches in neutral.
3. Put speed control levers in neutral.
4. Move PTO switch to Off.
5. If the engine is cold, choke the engine.
6. Move the throttle to Fast.
7. Put the ignition key in the switch and turn it to
Start.
IMPORTANT: DO NOT operate starter motor more
than 15 seconds per minute, as overheating and
damage can occur. If engine will not start, refer to
Troubleshooting or Engine Manual.
8. When the engine starts, release the key to Run
position.
9. After engine starts, adjust choke as needed.
Allow engine to warm and run smoothly before
operating unit.
Electric Start (988117)
To start the engine:
1. Engage parking brake.
2. Bring control levers to neutral.
3. Move PTO switch to Off.
4. If the engine is cold, choke the engine.
5. Move the throttle to Fast.
6. Put the ignition key in the switch and turn it to
Start.
IMPORTANT: DO NOT operate starter motor more
than 15 seconds per minute, as overheating and
damage can occur. If engine will not start, refer to
Troubleshooting or Engine Manual.
7. When the engine starts, release the key to Run
position.
8. After engine starts, adjust choke as needed.
Allow engine to warm and run smoothly before
operating unit.
Shut Off
1. Lock steering levers in neutral (988105, 106, 107,
108, 109, 113).
Bring control levers to neutral (988116, 117, 120,
314).
2. Put speed control levers in neutral (988105, 106,
107, 108, 109, 113).
3. Move the throttle lever to Slow.
4. Engage parking brake.
5. Turn the ignition key Off.
6. Allow engine to stop completely.
GB - 14
TO OPERATE UNIT
Operate the unit only in the operator’s position directly
behind the handlebars.
988105, 106, 107, 108, 109, 113
To operate:
1. Start the engine (See Starting and Shut Off on
page 13).
2. Move the throttle lever to the Fast position.
3. Engage operator presence control.
4. Release the parking brake.
5. Set speed control levers to desired speed.
6. Hold steering levers in neutral and release
steering latch levers.
• To move straight forward; slowly release both
steering levers to the full outward position.
• To stop unit in neutral, hold levers in the neutral
position.
• To lock unit in neutral, engage both steering
latches.
• To turn to the left, pull the left hand lever up.
• To turn to the right, pull the right hand lever up.
• To move in reverse, pull both steering levers up,
past the neutral position. Pulling the levers farther
up increases reverse speed.
To mow:
1. Engage operator presence control.
2. Move the speed control levers to the neutral
position.
3. Lock steering levers in neutral.
4. Move the throttle lever to the fast position.
NOTE: Operator presence control must remain
engaged.
5. Move the PTO switch to On to engage mower.
IMPORTANT: NEVER engage the PTO if the mower is
plugged with grass or other material. This will damage
the PTO belt.
6. Move the speed control levers to set a slow
ground speed.
7. Hold steering levers in neutral and release
latches.
8. Release steering levers slowly.
When you know how to operate the unit, select a speed
appropriate to your mowing conditions.
To stop mowing:
1. Lock the steering levers in neutral.
WARNING: AVOID INJURY. When the
engine is running and the speed control
lever is engaged, holding only one steering
lever in neutral causes the unit to circle
sharply around one drive wheel.
WARNING: AVOID INJURY. When the
engine is running and the speed control
levers are engaged, releasing only one
steering latch causes the unit to circle
around one drive wheel.
ALWAYS hold both steering levers in the
neutral position when releasing the steering
lever latches.
ALWAYS release levers slowly.
OG1410
OG1420
OG1430
WARNING: Uncontrolled reverse travel can
result in serious injury.
Do not put steering levers into the reverse
position unless you are prepared to operate
in reverse. Speed control levers do not
control reverse. Unit will move rearward with
speed control levers in neutral.
OG1440
OG1450
OG1460
GB - 15
2. Move the speed control levers to the neutral
position.
3. Turn off PTO switch.
988116, 117, 120, 314
To operate:
1. Start the engine (See Starting and Shut Off on
page 13).
2. Move the throttle lever to the Fast position.
3. Engage operator presence control.
• To move straight forward, slowly push control
levers forward.
• To stop unit motion, allow control levers to return
to neutral.
• To turn to the left, push the right hand control
lever forward.
• To turn to the right, push the left hand control
lever forward.
• To move in reverse, pull both control levers
backward, past the neutral position. Pulling the
levers farther back increases reverse speed.
To mow:
1. Move the throttle lever to the fast position.
2. Engage operator presence control(s).
NOTE: Operator presence control must remain
engaged.
3. Move the PTO switch to On to engage mower.
IMPORTANT: NEVER engage the PTO if the mower is
plugged with grass or other material. This will damage
the PTO belt.
4. Push control levers forward slowly.
When you know how to operate the unit, select a speed
appropriate to your mowing conditions.
To stop mowing:
1. Allow control levers to return to neutral.
2. Move the throttle lever to 1/2 speed.
3. Turn off PTO switch.
CUTTING HEIGHT ADJUSTMENT
Fixed Decks (988105, 106, 113, 120, 314)
1. Shut off the unit. See Shut Off on page 13 and
"To stop mowing."
2. Lift deck by handle until mower lock pins can be
pulled out of holes.
3. Turn latches slightly so they can’t snap back into
place.
4. Set deck to desired cutting height (Figure 6).
5. Place mower lock pins into desired hole.
IMPORTANT: Make sure lock pins are fully engaged.
6. Repeat adjustment for other side of deck.
WARNING: AVOID INJURY. When the
engine is running, using one steering control
lever causes the unit to circle around one
drive wheel.
ALWAYS hold both steering levers when
operating unit and move levers slowly.
OG1600
OG1610
OG1630
OG1640
WARNING: Uncontrolled reverse travel can
result in serious injury.
Do not put control levers into the reverse
position unless you are prepared to operate
in reverse.
OG1650
GB - 16
Floating Decks (988107, 108, 109, 116, 117)
1. Shut off the unit. See Shut Off on page 13 and
"To stop mowing."
2. Lift deck by handle until hair pins can be removed
from height adjustment rods.
3. Set deck to desired cutting height (Figure 7).
4. Insert hair pins into appropriate holes on height
adjusting rods.
5. Repeat adjustment for other side of deck.
NOTE: It may be necessary to adjust cutting height in
steps to keep deck from binding.
LAWN STRIPER ADJUSTMENT (44",
48" and 52" decks; optional on 36" decks)
The striper drags behind the deck and shapes grass as
you mow.
Adjust the striper to match cutting height.
Short grass (deck low): mount from bottom holes.
Tall grass (deck high): mount from top holes.
PARKING
988105, 106, 107, 108, 109, 113
1. Shut off the unit. See Shut Off on page 13 and
"To stop mowing."
2. Remove the key.
3. Set parking brake.
4. Chock or block the wheels if parked on a slope.
988116, 117, 120, 314
1. Shut off the unit. See Shut Off on page 13 and
"To stop mowing."
2. Remove the key.
3. Lock pivot bar against control levers.
4. Chock or block the wheels if parked on a slope.
1 (25)
(38) 1.5
2 (51)
3 (76)
4 (102)
(64) 2.5
(90) 3.5
Inches (mm)
Figure 6
OG1380
Fixed Deck Cutting Heights
Inches
(mm)
1
1.5
2
3
4
2.5
3.5
(25)
(38)
(51)
(76)
(102)
(64)
(90)
Figure 7
OG1385
Floating Deck Cutting Heights
GB - 17
TO PUSH UNIT BY HAND
To move the unit without the engine running:
1. Rotate the bypass valve levers located on the
back side of the pumps approximately 1/2 turn
counterclockwise.
2. Release parking brake.
3. Push unit to desired location.
4. Rotate the bypass valve levers located on the
back side of the pumps approximately 1/2 turn
clockwise to operate the unit.
IMPORTANT: Towing the unit will damage hydraulic
motors.
TO TRANSPORT UNIT
ALWAYS shut off engine, remove key and drain fuel
when transporting unit on a truck or trailer. Use extra
care when loading or unloading unit.
Engage parking brake.
Secure unit chassis to transport vehicle. NEVER
secure from rods or linkages that could be damaged.
DO NOT transport machine while engine is running.
* Change oil after first 8 hours of operation and every
100 hours thereafter.
** Change Hydraulic Fluid after first 50 hours of
operation and every 500 hours thereafter.
CHECK SAFETY INTERLOCK SYSTEM
Test the safety interlock system at each operation. If
the system does not function properly, do not operate
the unit until repairs are made.
988105, 106, 107, 108, 109, 113
To test:
1. With engine off, set controls as listed in line A of
the table below.
2. Turn electric start model ignition switch to Start.
Engine must not crank.
3. Turn ignition switch to On. Pull recoil start handle.
Engine must not start.
4. Repeat steps 1-3 for lines B-D of the table below.
5. Shut off the unit, if necessary. See Shut Off and
"To stop mowing."
IMPORTANT: If the system does not function properly,
do not operate the unit until repairs are made.
NOTE: Control settings that prevent engine starting will
stop a running engine.
MAINTENANCE
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
MAINTENANCE SCHEDULE
Each
Use
25 50 100 500
Check Safety Interlock
System
•
Check Air Cleaner
•
Check Engine Oil
•
Check Engine Cooling
•
Check Fasteners
•
Check Tire Pressure
•
Check Hydraulic Fluid
Level
•
Check Battery
•
Check All Belts
•
Mower Blades
•
Clean Air Cleaner Foam
Element
•
General Lubrication
•
Change Engine Oil
*•
Check Fuel Filter
•
Check Spark Plug
•
Check Muffler
•
Clean Air Cleaner Paper
Element
•
Change Hydraulic Fluid
and Filter
**•
PTO
PARKING BRAKE
SPEED CONTROL
LEVERS IN NEUTRAL
KEY
OPERATOR PRESENCE
CONTROL
ENGINE
A
Off On No On Off Off
B
Off Off Yes On Off Off
C
On On Yes On Off Off
D
Off On No On On Off
GB - 18
988116, 117, 120, 314
To test:
1. With engine off, set controls as listed in line A of
the table below.
2. Try starting the engine. See Starting and Shut Off
on page 13.
IMPORTANT: If the system does not function properly,
do not operate the unit until repairs are made.
3. Repeat steps 1-2 for lines B-C of the table below.
4. Shut off the unit, if necessary. See Shut Off and
"To stop mowing."
5. With the engine running, set controls as listed in
lines D -G of the table below.
IMPORTANT: If the system does not function properly,
do not operate the unit until repairs are made.
* Note: Unit will not start if both operator presence
control levers are engaged.
** Note: Engine stops if both operator presence control
levers are released while parking brake is off.
CHECK AIR CLEANER
Check the air cleaner element before each use. See
engine manual for detailed instructions.
CHECK ENGINE OIL
Check the engine oil level before each use. Never
operate the engine when the oil level is low. See engine
manual for detailed instructions.
CHECK ENGINE COOLING
Check the engine air cooling system before each use.
See engine manual for detailed instructions.
CHECK FASTENERS
Check all nuts, bolts, and other fasteners before each
use. Replace missing or damaged fasteners.
CHECK TIRE PRESSURE
Check tires for proper inflation, excessive wear or
damage before each use. The correct air pressure is
8 to 16 psi (55 to 110 kPa).
CHECK HYDRAULIC FLUID LEVEL
Check the hydraulic fluid level with the dipstick before
each use (more often if leaks are observed). Stop the
engine before servicing any hydraulic parts.
1. Run unit until warm.
2. Shut off engine.
3. Unscrew tank cap to remove cap/dipstick.
NOTE: Do not allow any dirt to get into the system.
4. Wipe dipstick clean.
5. Screw cap/dipstick back into tank.
6. Remove cap/dipstick and check hydraulic oil level
mark.
7. Add hydraulic fluid as needed. Do not overfill. See
Specifications for hydraulic fluid type.
CHECK BATTERY (988108, 109, 117)
Terminals
Inspect battery and terminals every 25 hours.
PTO
PARKING BRAKE
OPERATOR PRESENCE
CONTROL
ENGINE
A
Off Off Off Won’t Start
B
Off On Off Starts
C
Off On On* Starts
D
Won’t Run On Off Runs
E
On/Off Off Off** Stops
F
Off Off Off Stops
G
Off On Off Runs
WARNING: HYDRAULIC FLUID UNDER
PRESSURE can penetrate skin and cause
severe burns that can result in death or
serious injury.
ALWAYS keep body and hands away from
pin holes or nozzles which eject hydraulic
fluid under pressure. ALWAYS use paper or
cardboard and not hands to search for leaks.
KNOW that all hydraulic fluid connections
are tight and all hydraulic hoses and lines
are in good condition BEFORE applying
pressure to system.
Foreign fluid injected into skin must be
surgically removed within a few hours by a
doctor familiar with this form of injury or
gangrene may result.
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
WARNING: Battery posts, terminals and
related accessories contain lead and lead
compounds, chemicals known to the State of
California to cause cancer and reproductive
harm. Wash hands after handling.
GB - 19
To clean terminals:
1. Remove battery cover.
2. Remove battery cables from terminals.
3. Clean or service battery away from unit. Remove
corrosion from battery terminals and cable
connections with wire brush, then wash with a
weak baking soda solution.
4. Apply a thin coat of dielectric grease or petroleum
jelly to terminals and cable ends to retard
corrosion.
5. Replace battery and secure with battery cover.
CHECK ALL BELTS
Check all belts for wear or damage every 25 hours. If
belts slip, check for damaged belts or tensioner.
MOWER BLADES
Check mower blades for wear every 25 hours of
operation. Ensure blade hardware is tightened to
115-125 lbf-ft (156-169.5 N•m) of torque.
CLEAN AIR CLEANER FOAM ELEMENT
See engine manual for detailed instructions.
GENERAL LUBRICATION
Apply a small amount of oil to the pivot points as
required for smooth operation (Figure 8).
Apply high quality lithium based grease to all lube
fittings every 50 hours of operation.
NOTE: The mower spindle assembly is maintenance
free.
CHANGE ENGINE OIL
Open the petcock to drain oil through oil drain hole on
left side of engine. See engine manual for additional
instructions.
CHECK FUEL FILTER
See engine manual for detailed instructions.
CHECK SPARK PLUG
See engine manual for detailed instructions.
CHECK MUFFLER
Check muffler for damage or wear. Replace if
necessary.
CLEAN AIR CLEANER PAPER ELEMENT
See engine manual for detailed instructions.
CHANGE HYDRAULIC FLUID AND FILTER
Change hydraulic fluid and filter after the first 50 hours
of operation. They both should be changed every 500
hours thereafter.
To change the filter:
1. Place open container under tank. The container
should be able to hold at least 4 quarts of oil.
2. Remove tank from frame and allow tank to tip
rearward to allow oil to drain from system
(Figure 9).
3. After most of the oil has drained, turn the tank
upside down counterclockwise to allow the rest of
the oil to drain.
4. Clean around filter.
5. Turn filter counterclockwise to remove.
6. Fill the oil filter with about 8 oz. (236 ml) of
hydraulic oil.
7. Apply a thin coat of oil onto seal of new filter.
8. Install new filter and hand tighten securely.
9. Fill system with about 44 oz. (1.3L) fresh, clean
hydraulic oil. See Specifications for proper type.
10. Run-in hydraulic system to bleed and lubricate
components. See below.
Figure 8
1. Wheel Bearings
2. Flange Bushings
1
2
2
1
OG1480
1
1
GB - 20
Hydraulic Run-In Procedure
1. Jack the drive wheels off the floor.
2. Start unit. Run engine at slowest speed for 1-2
minutes to bleed hydraulic pumps.
3. Increase engine speed to half. Set speed control
1/3 forward. Run engine for 3-5 minutes to bleed
hydraulic motors.
NOTE: If necessary, start the motors turning by hand.
4. Shut off engine and lower the unit to the floor.
IMPORTANT: If any squealing noise occurs in the
motors, repeat the run-in procedure.
PUMP ACTUATING LINKAGE (988105, 106,
107, 108, 109, 113)
Clean debris from pump actuating linkage to ensure
smooth operation. Clean rust from sliding pins with fine
emery cloth and apply a thin coat of oil to lubricate
(Figure 10).
ADJUSTING THE UNIT TO TRACK
STRAIGHT
Check Forward Tracking
1. Start engine and run unit at full throttle.
2. Slowly release both steering levers to the full
outward position (988105, 106, 107, 108, 109,
113).
Slowly push both control levers against the pivot
bar (988116, 117, 120, 314).
3. Note which direction, if any, the unit pulls.
4. Stop unit and engine.
5. Adjust tracking if needed.
Try each of the following steps until the unit tracks
straight. It may not be necessary to perform all the
steps.
If unit turns to the right:
1. Set speed control levers to neutral (see Speed
Control Neutral Adjustment (988105, 106, 107,
108, 109, 113, 116, 117, 120) on page 21).
2. Reduce the air pressure in the left tire.
3. Increase the air pressure in the right tire.
4. Adjust the clevis on the right steering control rod
down the rod.
If unit turns to the left:
1. Set speed control levers to neutral (see Speed
Control Neutral Adjustment (988105, 106, 107,
108, 109, 113, 116, 117, 120) on page 21).
2. Reduce the air pressure in the right tire.
3. Increase the air pressure in the left tire.
4. Adjust the clevis on the left steering control rod
down the rod.
Figure 9
Sliding Pin
Figure 10
Pump Actuating
Linkage
Pump
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
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Gravely 988117-H Manuale utente

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