McCulloch M53-150AP 4x4 Manuale del proprietario

English – 3

• If the equipment should start to vibrate abnormally,

stop the engine (motor) and check immediately for the

cause. Vibration is generally a warning of trouble.

• Always wear eye protection when operating machine.

• Use extra care when approaching blind corners,

shrubs, trees, or other objects that may obscure

vision.

• When loading or unloading this machine, do not

exceed the maximum recommended operation angle

of 15q.

• Wear proper Personal Protective Equipment (PPE)

while operating this machine, including (at a

minimum) sturdy footwear, eye protection, and

hearing protection. Do not mow in shorts or open toed

footwear.

Always let someone know you are outside mowing.

Slope operation

Slopes are a major factor related to slip & fall accidents,

which can result in severe injury. All slopes require extra

caution. If you feel uneasy on a slope, do not mow it.

Do:

• Mow across the face of slopes, never up and down.

• Remove obstacles such as rocks, tree limbs, etc.

• Watch for holes, ruts, bumps or hidden objects.

Uneven terrain could cause a slip and fall accident.

Tall grass can hide obstacles.

Do not:

• Do not mow near drop-offs, ditches or embankments.

You could lose your footing or balance.

• Do not mow on wet grass or excessively steep slopes.

Poor footing could cause a slip and fall accident.

Safe handling of gasoline

To avoid personal injury or property damage, use extreme

care in handling gasoline. Gasoline is extremely

flammable and the vapors are explosive.

• Extinguish all cigarettes, cigars, pipes and other

sources of ignition.

• Use only an approved container.

• Never remove gas cap or add fuel with the engine

running.

• Allow the engine to cool before refueling.

• Never refuel the machine indoors.

• Never store the machine or fuel container where there

is an open flame, spark or pilot light such as a water

heater or on other appliances.

• Never fill containers inside a vehicle, on a truck or

trailer bed with a plastic liner. Always place containers

on the ground away from your vehicle before filling.

• Remove gas-powered equipment from the truck or

trailer and refuel it on the ground. If this is not

possible, then refuel such equipment 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 fuelling is

complete. Do not use a nozzle lock-open device.

• If fuel is spilled on clothing, change clothing

immediately.

• Never overfill the fuel tank.

• Replace gas cap and tighten securely.

General service

• Never run a machine inside a closed area.

• Never make adjustments or repairs with the engine

(motor) running. Disconnect the spark plug wire, and

keep the wire away from the plug to prevent

accidental starting.

• Keep all nuts and bolts tight to be sure the equipment

is in safe working condition.

• Never tamper with safety devices. Check their proper

operation regularly. Never do anything to interfere with

the intended function of a safety device or reduce the

protection provided by a safety device.

• Keep machine free of grass, leaves, or other debris

build-up. Clean oil or fuel spillage. Allow machine to

cool before storing.

• Stop and inspect the equipment if you strike an object.

Repair, if necessary, before restarting.

• Never attempt to make wheel height adjustments

while the engine is running.

• Grass catcher components are subject to wear,

damage, and de te ri o ra tion, which could expose

moving parts or allow objects to be thrown. Frequently

check components and replace with manufacturer’s

recommended parts, when necessary.

• Mower blades are sharp and can cut. Wrap the

blade(s) or wear gloves, and use extra caution when

servicing them.

• Do not change the engine governor setting or

overspeed the engine.

• Maintain or replace safety and instruction labels, as

necessary.

SAFETY RULES

4 – English

Key to symbols

WARNING! The machine can be a

dangerous tool if used incorrectly or

carelessly, which can cause serious or

fatal injury to the operator or others.

Please read the operator’s manual

carefully and make sure you understand

the instructions before using the

machine.

Keep people and animals well away from

the working area.

Prevent unintentional starting by

removing the ignition cable from the

spark plug.

Watch out for thrown objects and

ricochets.

Warning: rotating cutter. Keep hands

and feet clear.

Warning: rotating parts. Keep hands and

feet clear.

This product is in accordance with

applicable EC directives.

Noise emission to the environment

according to the European Community’s

Directive. The machine’s emission is

specified in the Technical data chapter

and on the label.

Never use the machine indoors or

in spaces lacking proper

ventilation. Exhaust fumes contain

carbon monoxide, an odourless,

poisonous and highly dangerous

gas.

Risk of explosion

Always shut off the engine before

refuelling.

Hot surface.

This product is in accordance with

applicable EAC directives.

Explanation of warning levels

The warnings are graded in three levels.

WARNING!

!

WARNING! Used if there is a risk of

serious injury or death for the operator

or damage to the surroundings if the

instructions in the manual are not

followed.

IMPORTANT!

!

IMPORTANT! Used if there is a risk of

injury to the operator or damage to the

surroundings if the instructions in the

manual are not followed.

CAUTION!

CAUTION! Used if there is a risk of damage to

materials or the machine if the instructions in the

manual are not followed.

KEY TO SYMBOLS

(a)

English – 5

Contents

SAFETY RULES

Children ................................................................

2

General operation .................................................

2

Slope operation .....................................................

3

Safe handling of gasoline ......................................

3

General service .....................................................

3

KEY TO SYMBOLS

Key to symbols ......................................................

4

Explanation of warning levels ................................

4

CONTENTS

Contents ...............................................................

5

PRESENTATION

Dear customer! .....................................................

6

Customer responsibilities ......................................

6

The Lawn mower ...................................................

6

Steps before using a new lawn mower ...................

7

WHAT IS WHAT?

What is what on the lawn mower? .........................

8

MACHINE´S SAFETY EQUIPMENT

General .................................................................

9

ASSEMBLING AND ADJUSTMENTS

General .................................................................

10

Remove the lawn mower from the carton. ..............

10

Handle ..................................................................

10

Grass catcher ........................................................

11

Starter handle .......................................................

11

Convert the lawn mower ........................................

11

Cutting height ........................................................

12

Filling with oil .........................................................

12

FUEL HANDLING

General .................................................................

13

Fueling ..................................................................

13

Transport and storage ...........................................

13

OPERATING

Personal protective equipment ..............................

14

General safety precautions ...................................

14

Basic working techniques ......................................

16

Transport and storage ...........................................

16

Starting and stopping ............................................

17

MAINTENANCE

General .................................................................

19

Maintenance schedule ..........................................

19

General recommendations ....................................

20

General inspection ................................................

20

General lubrication ................................................

20

Cleaning ................................................................

20

Engine ...................................................................

21

Muffler ...................................................................

22

Spark plug .............................................................

22

Air filter ..................................................................

22

Blade .....................................................................

23

TROUBLESHOOTING

Troubleshooting schedule .....................................

25

TECHNICAL DATA ................................................

26

EC DECLARATION OF CONFORMITY ...............

27

CONTENTS

6 – English

Dear customer!

The line of innovative chainsaws would continue over the

decades, and business was expanded, first by airplane

and kart engines in the 1950s, then by mini chainsaws in

the 1960s. Later, in the 1970s and 80s, trimmers and

blower vacs were added to the range.

Today, as a part of the Husqvarna group, McCulloch

continues the tradition of powerful engines, technical

innovations, and strong designs that have been our

hallmarks for more than half a century. Lowering fuel

consumption, emissions and noise levels are of top

priority to us, as is improving safety and user-friendliness.

We certainly hope that you will be satisfied with your

McCulloch product, as it is designed to be your

companion for a long time. By following this operators

manual’s advice on usage, service, and maintenance, its

lifespan can be extended. If you should need professional

help with repair or service, please use the Service

Locator at www.mcculloch.com.

McCulloch has a policy of continuous product

development and therefore reserves the right to modify

the design and appearance of products without prior

notice.

This manual can also be downloaded at

www.mcculloch.com.

Customer responsibilities

• Read and observe the safety rules.

• Follow the maintenance schedule in this manual. Any

maintenance other than that described in this manual

must be carried out by your servicing dealer (retailer).

The Lawn mower

Serial number:

Date of purchase:

The model and serial numbers will be found on a decal

attached to the rear of the lawn mower housing. You

should record both serial number and date of purchase

and keep in a safe place for future reference.

Product specifications

Gasoline Capacity and

Type

1.09 Quarts / 1.03 Liters

(Unleaded Regular Only)

Oil Type (API SG-SL)

SAE 30 (above 0qC / 32qF)

SAE 5W-30 (below 0qC /

32qF)

Oil Capacity 15 Ounces

Spark Plug (Gap: 0.020’’ /

0.5mm)

AUTOLITE 3924

Blade Bolt Torque 35-40 ft. Ibs. (47-54 Nm)

PRESENTATION

English – 7

Steps before using a new lawn

mower

• Please read the operator’s manual carefully.

• Check that the cutting equipment is correctly fitted

and adjusted. See instructions under the heading

Assembly.

• Fill with fuel and oil in the engine. A container with

sufficient oil quantity is supplied with the machine.

See the instructions under the heading fuel handling.

!

WARNING! Under no circumstances may

the design of the machine be modified

without the permission of the

manufacturer. Always use genuine

accessories. Non-authorized

modifications and/or accessories can

result in serious personal injury or the

death of the operator or others.

!

EU V

WARNING! Tampering with the engine

voids the EU type-approval of this

product.

!

WARNING! A lawn mower is a dangerous

tool if used carelessly or incorrectly and

can cause serious, even fatal injuries. It

is extremely important that you read and

understand the contents of this

operator’s manual.

!

WARNING! Long-term inhalation of the

engine’s exhaust fumes can represent a

health hazard.

!

WARNING! In order to prevent accidental

starting when setting up, transporting,

adjusting or making repairs, always

disconnect spark plug wire and place

wire where it can not come in contact

with plug.

!

WARNING! The muffler gets very hot in

use and remains so for a short time

afterwards. Do not touch the muffler if it

is hot!

!

WARNING! This lawn mower is equipped

with an internal combustion engine and

should not be used on or near any

unimproved forest-covered, brush-

covered or grass-covered land unless

the engine’s exhaust system is equipped

with a spark arrester meeting applicable

local or state laws (if any). If a spark

arrester is used, it should be maintained

in effective working order by the

operator.

Husqvarna AB has a policy of continuous product

development and therefore reserves the right to modify

the design and appearance of products without prior

notice.

PRESENTATION

8 – English

What is what on the lawn mower?

1 Engine brake handle

2 Drive control

3 Starter handle

4 Grass catcher

5 Fuel cap

6 Air filter

7 Spark plug

8 Drive cover

9 Muffler

10 Wash-out port

11 Rear deflector

12 Engine oil cap with dipstick

13 Cutting height control

14 Mulch plug

15 Operator’s manual

16 Discharge chute

WHAT IS WHAT?

1

2

3

4

5

7

8

10

11

13

14

6

12

9

11

15

16

English – 9

General

This section describes the machine's safety equipment,

its purpose, and how checks and maintenance should be

carried out to ensure that it operates correctly.

!

WARNING! Never use a machine that

has faulty safety equipment! If your

machine fails any checks contact your

service agent to get it repaired.

Prevent unintentional starting by

removing the ignition cable from the

spark plug.

Engine brake handle

IMPORTANT! Federal regulations require an engine

control to be installed on this lawn mower in order to

minimize the risk of blade contact injury. Do not under

any circumstances attempt to defeat the function of the

operator control. The blade turns when the engine is

running.

The engine brake is designed to stop the engine. When

the grip on the engine brake handle is released the

engine should stop.

Checking the engine brake handle

• Start the engine and then release the brake handle.

The engine should stop and the drive should

disengage.

Rear deflector

The rear deflector, attached between the rear wheels of

your mower, is provided to minimize the possibility that

objects will be thrown out of the rear of the mower into the

operator’s mowing position.

Inspecting the rear deflector

• Make sure the rear deflector is not damaged and that

there are no visible defects such as cracks, or broken

springs that force the door closed. Replace the

deflector or springs if damaged.

Muffler

!

WARNING! Never use a machine without

a muffler, or with a faulty muffler. A

damaged muffler may substantially

increase the noise level and the fire

hazard. Keep fire fighting equipment

handy.

The muffler gets very hot during and

after use. This also applies during idling.

Be aware of the fire hazard, especially

when working near flammable

substances and/or vapours.

The muffler is designed to keep noise levels to a minimum

and to direct exhaust fumes away from the user.

Inspecting the muffler

• Check regularly that the muffler is complete and

secured correctly.

MACHINE´S SAFETY EQUIPMENT

10 – English

General

!

WARNING! Prevent unintentional

starting by removing the ignition cable

from the spark plug.

CAUTION! This lawn mower is shipped without oil or

gasoline in the engine.

Remove the lawn mower from the

carton.

• Remove loose parts included with mower.

• Cut down two end corners of carton and lay end panel

down flat.

• Remove all packing materials, except padding

between upper and lower handle and padding holding

the engine brake handle to upper handle.

• Roll the lawn mower out of the carton and make sure

that no loose parts are left within the carton.

Handle

CAUTION! Take care not to damage the cables and

wires when you unfold the handlebar.

Operating position

1 Raise the lower handle section to operating position.

Align the handle bar pins with a slot in the handle

bracket to set a comfortable height position for the

handle.

2 Tighten the lower handlebar knobs.

3 Remove protective padding, raise the upper handle

section into place on the lower handle and tighten

both upper knobs.

4 Remove any packing material from around engine

brake handle.

Vertical handle storage

The handle can be set in a vertical storage position.

1 Loosen the lower handle knobs.

2 Rotate the handle and align the handle bar pins with

the vertical slots on the handle bracket.

3 Retighten the knobs.

Storage/Transport position

The handle assembly can be folded to minimize space

needed for transport and storage.

CAUTION! Take care not to damage the cables and

wires when you fold the handlebar.

1 Loosen the 2 handle knobs on the upper handle and

allow handle to fold down to the rear.

2 Loosen the 2 handle knobs on the lower handle and

pivot entire handle assembly forward and allow it to

rest on mower.

ASSEMBLING AND ADJUSTMENTS

English – 11

Grass catcher

Assembly of the catcher

1 Put the grass catcher frame into the grass bag with

the rigid part of the bag on the bottom. Make sure the

handle of the frame is outside of the top of the bag.

2 Secure the grass bag to the frame by using the

quick-action clips.

Starter handle

Install starter handle

1 Loosen the T-knob.

2 Hold the engine brake handle against the upper

handle.

3 Grip the starter handle, slowly pull the engine starter

handle until the starter rope can slip into the loop of

the rope guide.

4 Tighten the T-knob.

Convert the lawn mower

Your lawn mower was shipped ready to be used in

mulching mode.

The mulching mode will recut the grass clippings many

times, which will reduce the clippings in size so that as

they fall onto the lawn they will disperse into the grass and

not be noticed. In addition, the mulched grass will

biodegrade quickly to provide nutrients for the lawn.

Use rear bagging to collect the grass clippings within the

grass catcher.

!

WARNING! Do not run your lawn mower

without rear door closed or approved

grass catcher in place. Never attempt to

operate the lawn mower with the rear

door removed or propped open.

Rear bagging

1 Lift the back shield and remove the mulch plug.

2 Lift the back shield and place the grass catcher frame

hooks onto the grass bag brackets.

3 Release the back shield and allow it to rest on top of

the grass bag frame.

ASSEMBLING AND ADJUSTMENTS

12 – English

Mulching

1 Lift the back shield and remove the grass bag (if

equipped).

2 Insert the mulch plug into the collector channel.

3 Allow the back shield to close and ensure the back

shield is firmly shut against the mulch plug.

Rear-side discharging

1 Lift the back shield and remove the mulch plug or

grass bag (if equipped).

2 Install the discharge chute.

3 Close the back shield to allow the machine to

discharge material to the left of the machine while

cutting

Cutting height

The cutting height can be adjusted to 9 (1-9) different

positions.

Raise wheels for low cut and lower wheels for high cut.

Adjust cutting height to suit your requirements. Medium

position is best for most lawns.

• To change cutting height, squeeze height adjuster

lever toward the wheel. Move the wheel up or down to

suit your requirements. Set the same height at all four

corners.

• The adjuster lever is spring loaded.

Filling with oil

• The oil tank is empty at delivery. Fill the oil slowly with

the included oil. See instructions under the heading

Maintenance.

ASSEMBLING AND ADJUSTMENTS

English – 13

General

!

WARNING! Running an engine in a

confined or badly ventilated area can

result in death due to asphyxiation or

carbon monoxide poisoning.

Fuel and fuel fumes are highly

inflammable and can cause serious

injury when inhaled or allowed to come

in contact with the skin. For this reason

observe caution when handling fuel and

make sure there is adequate ventilation.

The exhaust fumes from the engine are

hot and may contain sparks which can

start a fire. Never start the machine

indoors or near combustible material!

Do not smoke and do not place any hot

objects in the vicinity of fuel.

Fueling

• Use fresh, clean, regular unleaded gasoline with a

minimum of 87 octane. Do not mix oil with gasoline.

Purchase fuel in quantities that can be used within 30

days to assure fuel freshness

!

WARNING! Always stop the engine and

let it cool for a few minutes before

refueling. The engine should be

switched off.

Use a fuel can at all times to avoid

spillage.

Fill fuel tank to bottom of tank filler neck.

Do not overfill. Use fresh, clean, regular

unleaded gasoline with a minimum of 87

octane. Do not mix oil with gasoline.

Purchase fuel in quantities that can be

used within 30 days to assure fuel

freshness.

When refuelling, open the fuel cap

slowly so that any excess pressure is

released gently.

Clean the area around the fuel cap.

Tighten the fuel cap carefully after

refueling. Negligence may lead to the

start of a fire.

Never start the machine:

• If you have spilled fuel or engine oil on the machine,

wipe off the spillage and allow remaining fuel to

evaporate.

• If you have spilled fuel on yourself or your clothes,

change your clothes. Wash any part of your body that

has come in contact with fuel. Use soap and water.

• If the machine is leaking fuel. Check regularly for

leaks from the fuel cap and fuel lines.

Engine oil

CAUTION! Check the oil level before starting the lawn

mower. A too low oil level can cause serious damage to

the engine.

• See instructions in the section “Maintenance”.

• The engine oil should be changed the first time after 5

hours running time. Never use oil intended for

two-stroke engines.

Transport and storage

• Store and transport the machine and fuel so that there

is no risk of any leakage or fumes coming into contact

with sparks or open flames, for example, from

electrical machinery, electric motors, electrical relays/

switches or boilers.

• When storing and transporting fuel always use

approved containers intended for this purpose.

Long-term storage

• When storing the machine for long periods the fuel

tank must be emptied. Contact your local gas station

to find out where to dispose of excess fuel.

• Fuel stabilizer is an acceptable alternative to avoid

tacky deposits during storage. Add stabilizer to the

fuel in the tank or the storage container. Always follow

the mix ratio found on stabilizer container. Run the

engine for at least 10 minutes after adding the

stabilizer so that it will reach the carburetor. Do not

empty the gas tank and carburetor if using fuel

stabilizer.

CAUTION! Alcohol blended fuels (called gasohol or

using ethanol or methanol) can attract moisture which

leads to separation and formation of acids during

storage.

Acidic gas can damage the fuel system of an engine

while in storage. To avoid engine problems, the fuel

system should be emptied before stor age of 30 days

or longer. Empty the gas tank, start the engine and let it

run until the fuel lines and carburetor are empty. Use

fresh fuel next season. Never use engine or carburetor

cleaner products in the fuel tank or permanent damage

may occur.

FUEL HANDLING

14 – English

Personal protective equipment

You must use approved personal protective equipment

whenever you use the machine. Personal protective

equipment cannot eliminate the risk of injury but it will

reduce the degree of injury if an accident does happen.

Ask your dealer for help in choosing the right equipment.

Always wear:

• Sturdy, non-slip boots or shoes.

• Heavy, long pants. Do not wear shorts sandals or go

barefoot.

• Gloves must be worn when required, for example

when fitting, inspecting or cleaning the blade.

• Wear ear protectors to avoid damage to hearing.

Exposure to noise can cause hearing loss.

• Always wear safety glasses or eye shields while

operating your lawn mower or performing any

adjustments or repairs. We recommend standard

safety glasses or a wide vision safety mask over

spectacles.

General safety precautions

This section describes basic safety directions for using

the machine. This information is never a substitute for

professional skills and experience.

• Please read the operator’s manual carefully and make

sure you understand the instructions before using the

machine.

• Keep in mind that the operator is responsible for

accidents or hazards occuring to other people or their

property.

• See manufacturer’s instructions for proper operation

and installation of accessories. Only use accessories

approved by the manufacturer.

• The machine must be kept clean. Signs and stickers

must be fully legible.

• Maintain or replace safety and instruction labels, as

necessary.

• Always disconnect the spark plug before performing

maintenance or service.

Children

!

WARNING! Children can be seriously

injured or killed by this equipment.

Carefully read and follow all of the safety

instructions below.

CHILDREN CAN BE INJURED BY THIS EQUIPMENT.

The American Academy of Pediatrics recommends that

children be a minimum of 12 year of age before operating

a pedestrian controlled lawn mower and a minimum of 16

years of age before operating a riding lawn mower.

Serious accidents may occur if you fail to be on your

guard for children in the vicinity of the machine. Children

are often attracted to the machine and mowing. Never

assume that children will remain where you last saw

them.

• Keep an eye out and shut off the machine if children

enter the work area.

• Never use the machine if persons, especially children

or pets, are in the immediate vicinity.

• Before and during reversing procedures, look behind

you and down for small children.

OPERATING

English – 15

Always use common sense

It is not possible to cover every conceivable situation you

can face. Always exercise care and use your common

sense. If you get into a situation where you feel unsafe,

stop and seek expert advice. Contact your dealer, service

agent or an experienced user. Do not attempt any task

that you feel unsure of!

!

WARNING! This machine produces an

electromagnetic field during operation.

This field may under some

circumstances interfere with active or

passive medical implants. To reduce the

risk of serious or fatal injury, we

recommend persons with medical

implants consult their physician and the

medical implant manufacturer before

operating this machine.

!

WARNING! The machine can be a

dangerous tool if used incorrectly or

carelessly, which can cause serious or

fatal injury to the operator or others.

Never allow children or other persons

not trained in the use of the machine to

use or service it.

The machine should not be used by

people with reduced physical or mental

capacities or people who are unsuitable

for health reasons to operate the

machine, without supervision of a

person responsible for their safety.

Never allow anyone else to use the

machine without first ensuring that they

have read and understood the contents

of the operator’s manual.

Never use the machine if you are

fatigued, while under the influence of

alcohol or drugs, medication or anything

that could affect your vision, alertness,

coordination or judgement.

!

WARNING! Unauthorized modifications

and/or accessories may lead to serious

injury or death to the user or others.

Under no circumstances may the design

of the machine be modified without the

permission of the manufacturer.

Do not modify this product or use it if it

appears to have been modified by

others.

Never use a machine that is faulty. Carry

out the safety checks, maintenance and

service instructions described in this

manual. Some maintenance and service

measures must be carried out by trained

and qualified specialists. See

instructions under the heading

Maintenance.

Always use genuine accessories.

Work area safety

• Branches, twigs, stones, etc. should be removed from

the lawn before you start to mow.

• Objects hitting against the cutting attachment could

be thrown and cause damage to people and objects.

Keep people and animals well away.

• Never use the machine in bad weather, for instance in

fog, in rain, damp or in wet locations, strong winds,

intense cold, risk of lightning, etc. Working in bad

weather is tiring and can lead to dangerous

conditions, e.g. slippery surfaces.

• Do not mow wet grass. It is slippery, and tires can lose

their grip so that the machine skids.

• Observe your surroundings to ensure that nothing can

affect your control of the machine.

• Beware of roots, stones, twigs, pits, ditches etc. Tall

grass can hide obstacles.

• Mowing slopes can be dangerous. Do not use the

lawn mower on very steep slopes. The lawn mower

should not be used on inclines greater than 15

degrees.

• On sloping ground you should work along the slope. It

is much easier to work along a slope than it is to work

up and down it.

• Be careful when you are approaching hidden corners

and objects that could block your view.

Work safety

• A lawn mower is only designed to mow lawns. All

other use is forbidden.

• Always let someone know you are outside mowing.

• Do not operate the mower without proper guards,

plates, grass catcher or other safety protective

devices in place.

• Wear personal protective equipment. See instructions

under the heading ”Personal protective equipment”.

• Do not start a lawn mower unless the cutter and all

covers are fitted correctly. Otherwise the cutter could

come loose and cause personal injuries.

• Make sure the cutter does not hit foreign objects such

as stones, roots or the like. This can make the cutter

dull and bend the engine shaft. A bent blade or engine

shaft can result in an imbalance and heavy vibration,

which results in a great risk of the blade becoming

loose.

• The brake handle must never be permanently

anchored to the handle when the machine is running.

• Place the lawn mower on firm, flat surface and start it.

Make sure that the cutter cannot come into contact

with the ground or other objects.

• Always place yourself behind the machine. Allow all

the wheels to remain on the ground and keep both

hands on the handle when mowing. Keep your hands

and feet away from the rotating blades.

• Do not tilt the machine when the engine is running.

OPERATING

16 – English

• Pay particular attention when pulling the machine

towards you during work.

• Never lift up the lawn mower or carry it around when

the engine is running. If you must lift the lawn mower,

first switch off the engine and disconnect the ignition

lead from the spark plug.

• Do not mow the lawn while walking backwards.

• The engine should be switched off when moving over

ground that is not to be mowed. For example, gravel

paths, stone, shingle, asphalt, etc.

• Never run with the machine when it is running. You

should always walk with the lawn mower.

• Shut down the engine before changing the cutting

height. Never make adjustments with the engine

running.

• Never leave the machine unsupervised with the motor

running. Turn off the motor. Ensure the cutting

attachment has stopped rotating.

• If any foreign object is hit or if vibrations occur stop the

machine immediately. Disconnect the spark plug wire

from the spark plug. Check that the machine is not

damaged. Repair any damage.

• Never direct discharged material toward anyone.

Avoid discharging material against a wall or

obstruction. Material may richochet back toward the

operator.

Basic working techniques

• Always cut with a sharp blade for optimal results. A

dull blade gives an uneven cut and the grass becomes

yellow on the surface of the cut.

• Never mow more than 1/3 of the length of the grass.

This especially applies during dry periods. Mow first

with the cutting height set high. Then check the result

and lower to an appropriate height. If the grass is

really long, drive slowly and mow twice if necessary.

• For extremely heavy cutting, reduce the width of cut

by overlapping previously cut path and mow slowly.

• Cut in different directions each time in order to avoid

stripes in the lawn.

• Before pulling the machine towards you, disengage

the drive and push the machine forward approx. 3’’

(10 cm).

• Make sure to disengage the drive when approaching

an obstacle.

Pores in cloth grass catchers can become filled with dirt

and dust with use and the catcher will collect less grass.

To prevent this, regularly hose the grass catcher off with

water and let dry before using.

Slope operation

Mowing slopes can be dangerous. Do not use the lawn

mower on slopes steeper than 15q. All slopes demand

extra care. If you feel unsure, do not mow it.

Do:

• Mow across the face of slopes, never up and down.

• Exercise extreme caution when changing direction on

slopes.

• Remove obstacles such as stones, branches, etc.

• Watch for holes, ruts, bumps or hidden objects.

Uneven terrain could cause a slip and fall accident.

Tall grass can hide obstacles.

Do not:

• Do not mow too close to edges, ditches or banks.

• Avoid sudden changes in direction.

• Do not mow wet grass. It is slippery, and tires can lose

their grip so that the machine skids.

Transport and storage

• Secure the equipment during transportation in order

to avoid transport damage and accidents.

• Store the equipment in a lockable area so that it is out

of reach of children and unauthorized persons.

• Store the machine and its equipment in a dry and frost

proof place.

• When loading or unloading this machine, do not

exceed the maximum recommended operation angle

of 15q.

• Empty the fuel tank by running the machine until the

tank is empty.

• Drain the engine oil as described under Changing the

engine oil.

• Clean the machine. For more information, see the

”Cleaning” section.

• Lubricate as shown in the Maintenance section of this

manual.

• Tighten bolts and nuts.

• Replace or repair damaged components.

• Touch up all rusted or chipped paint surfaces, sand

lightly before painting.

• Place the lawn mower in Transport position. See

”Storage/Transport position” in the Assembly and

adjustments section of this manual.

• Cover your unit with a suitable protective cover that

does not retain moisture. Do not use plastic. Plastic

cannot breathe, which allows condensation to form

and will cause your unit to rust. Never cover mower

while engine and exhaust areas are still warm!

• For transport and storage of fuel, see the section

“Fuel handling”.

MAX 1/3

OPERATING

MAX 1/3

English – 17

Starting and stopping

Before starting

!

WARNING! Please read the operator’s

manual carefully and make sure you

understand the instructions before

using the machine.

Wear personal protective equipment.

See instructions under the heading

”Personal protective equipment”.

• Keep people and animals well away from the working

area.

• Perform daily maintenance. See instructions in the

section “Maintenance”.

• Ensure the ignition lead sits correctly on the spark

plug.

• Add oil if necessary. See instructions under the

heading Maintenance.

• Add gasoline. See instructions in the section "Fuel

handling".

• Disengage drive system, if so equipped, before

starting the engine (motor).

Manual Start

The engine brake handle must be held against the

handlebar when the engine is started.

• Position yourself behind the machine.

• Grip the starter handle and pull quickly. Do not allow

the starter rope to snap back. Never wrap the starter

cord around your hand

Drive

• Self-propelling is controlled by holding the brake

handle down to the handle and pulling one or both of

the drive levers upwards toward the handle. The

further toward the handle the drive levers are pulled,

the faster the unit will travel.

• Forward motion will stop when either the the brake

handle or the drive levers are released.

• To stop forward motion without stopping the engine,

release the drive lever only. Hold the the brake handle

down against handle to continue mowing without

self-propelling.

When the drive starts feeling slow you need to adjust the

drive control cable. Finely adjust the cable using the

adjuster screw.

• Turn off the engine. Always disconnect the spark plug

before performing maintenance or accessing movable

parts.

• To tension the wire and increase speed, turn the

adjustment screw counterclockwise.

Make sure the drive control cable is not tensioned too

tight. If the lawn mower starts to drive without the clutch

lever is being operated, extend the wire.

• To extend the wire and reduce speed, screw the

adjustment screw clockwise.

OPERATING

18 – English

Stopping

• Stop the engine by releasing the engine brake handle.

The drive is also disengaged when you release the

engine brake handle.

•

Emptying the grass catcher

• Lift up on grass catcher using the frame handle.

• Remove grass catcher with clippings from under lawn

mower handle.

• Empty clippings from bag using both frame handle

and bag handle.

CAUTION! Do not drag the bag when emptying, it will

cause unnecessary wear.

OPERATING

English – 19

General

!

WARNING! The user must only carry out the maintenance and service work described in this

manual. More extensive work must be carried out by an authorized service workshop.

Switch off the engine before carrying out any checks or maintenance. Stop the engine (motor) and wait

until the blade comes to a complete stop before cleaning the machine, removing the grass catcher, or

unclogging the discharge chute. Prevent unintentional starting by removing the ignition cable from the

spark plug. The starter key or battery must also be removed on machines with electric start.

The life span of the machine can be reduced and the risk of accidents can increase if machine

maintenance is not carried out correctly and if service and/or repairs are not carried out

professionally. If you need further information please contact your nearest servicing dealer.

• Let your Husqvarna dealer regularly check the machine and make essential adjustments and repairs.

• Replace any damaged, worn or broken parts.

• Always use genuine accessories.

Maintenance schedule

In the maintenance schedule you can see which parts of your machine that require maintenance, and with which

intervals it should take place. The intervals are calculated based on average use of the machine, and may differ

depending on the rate of your personal use.

Daily Maintenance Before use

After each

use

Every

10 hours

Every

25 hours

Every

100 hours

Before

storage

Lawn mower

Tighten bolts and nuts X X

Clean / Inspect Grass Catcher* X X X

Check tires X

Check drivewheels*** X

Clean the machine**** X X

Clean under the drive cover*** X

Check the drive belt / Pulleys*** X

Check that the cutter is undamaged and not

cracked. Replace the cutter if necessary

X

3

General lubrication X

Clean and Recharge Battery** X X

4

Engine

Check the engine’s oil level X

5

Change engine oil X

1,2

Clean the air filter. Replace if necessary X

2

Check that the muffler is securely attached

and not damaged

X

Replace the spark plug X

Empty fuel tank or add Stabilizer X

* If so equipped

** Machines equipped with electric start

*** Power-Propelled machines

**** Use a scraper to clean under deck

Note 1: When operating with a heavy load or at high ambient temperatures, or other extreme conditions, service the

machine more often. Note 2: Clean more often if conditions are exceptionally dusty. Note 3: Replace blades more often

when mowing in sandy soil. Note 4: Charge the battery for max. 48 hours. Note 5: And after 5 hours of use.

MAINTENANCE

20 – English

General recommendations

The warranty on this lawn mower does not cover items

that have been subjected to operator abuse or

negligence. To receive full value from the warranty,

operator must maintain mower as instructed in this

manual. Some adjustments will need to be made

periodically to properly maintain your unit. At least once a

season, check to see if you should make any of the

adjustments described in the Maintenance section of this

manual.

• At least once a year, replace the spark plug, clean or

replace air filter element and check blade for wear. A

new spark plug and clean/new air filter element

assure proper air-fuel mixture and help your engine

run better and last longer.

• Follow the maintenance schedule in this manual.

General inspection

• Check that nuts and screws are tight.

General lubrication

CAUTION! Do not oil or grease plastic wheel bearings.

Viscous lubricants will attract dust and dirt that will

shorten the life of the selflubricating bearings. If you

feel they must be lubricated, use only a dry powdered

graphite type lubricant sparingly.

Keep unit well lubricated.

1 Engine oil

See ”Engine” in

section Maintenance

2 Rear door hinge

Spray lubricant

3

Handle bar mounting

bolts

Cleaning

!

WARNING! Always disconnect the spark

plug before performing maintenance or

service.

• Brush leaves, grass and the like off of the lawn mower.

• Keep finished surfaces / wheels free of gasoline, oil,

etc.

• Keep top of engine around starter clear and clean of

grass clippings and chaff. This will help engine air flow

and extend engine life.

• Clean the underside of your lawn mower by scraping

to remove build-up of grass and trash.

• Do not use a high pressure washer to clean the machine.

• Never flush water directly on the engine.

• Clean the air intake on the starter. Check the starter

and starter cord.

• When cleaning under the cutting cover, empty the fuel tank

and put the machine on its side with the muffler down.

CAUTION! With the exception of the water washout

port (if equipped), we do not recommend using a

garden hose to clean the outside of your lawn mower

unless the electrical system, muffler, air filter and

carburetor are covered to keep water out. Water in

engine can result in shortened engine life.

Drive wheels

Check wheels each time before you mow to be sure they

move freely. Clean the wheels if not rotating freely.

1 Remove the bolt.

2 Remove wheels from wheel adjusters.

3 Remove any trash or grass cuttings from inside the

dust cover, pinion and/or drive wheel gear teeth.

4 Replace the wheels.

If after cleaning, the drive wheels do not turn freely,

contact a authorized service workshop.

Grass catcher

• Pores in cloth grass catchers can become filled with

dirt and dust with use and the catcher will collect less

grass. To prevent this, regularly hose the grass

catcher off with water and let dry before using.

• Check the grass catcher frequently for wear or

deterioration. Replace if necessary.

1

2

3

MAINTENANCE

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McCulloch M53-150AP 4x4 Manuale del proprietario

McCulloch M53-150AP 4x4 Manuale del proprietario

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