Manual McCulloch PRO MAC 72 (page 10 of 15) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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ENGLISH

IMPORTANT

Always shake this fuel mix vigorously each time

you use it. Fuel mix properties deteriorate with

time, we therefore recommend that you only

make the quantity of fuel mix you will need for

each usage. Do not use fuel mix more than a week

old as this could damage the engine.

WARNING

Do not smoke when re-fuelling. Always open the

fuel cap slowly. Re-fuel in open spaces only,

keeping away from naked flames or sparks.

Always store fuel in an approved container.

SAFE STORAGE OF FUEL

Petrol is highly inflammable. Put out all cigarettes,

pipes and cigars before working with petrol.

Avoid spilling petrol. Store fuel in a cool, well

ventilated place, in an approved container

specifically designed for the purpose. Never

store engine with fuel in the tank in enclosed,

poorly ventilated areas, where fuel fumes may

reach an open flame, spark or pilot light such as

in a furnace, water heater, clothes dryer etc.

Petrol fumes can cause an explosion or a fire. Do

not store large amounts of fuel. To prevent

possible restarting problems avoid running the

fuel tank dry. This also helps to extend engine

life.

CHAIN LUBRICATION

IMPORTANT The service life of the bar and chain

depends on good lubrication.

Always use chain lubricating oil of medium

viscosity. We recommend special McCulloch

chain lubricating oil. Never use waste oil for this

purpose. This results in damage to the bar, the

chain and the oil pump. Refill the chain oil tank

each time the saw is refuelled.

NOTE: Saw chain stretches during use, particularty

when it is new, and it will occasionally be necessary

to adjust and tighten it. A new chain will require

adjustment after about 5 minutes of operation.

• The mechanical oil pump for chain lubrication

can be adjusted.

The feed rate of the chain oil pump can be

adjusted by means of the regulating screw (A)

(see details in the illustration). The oil feed rate is

increased by turning the regulating bolt

counterclockwise

IMPORTANT - The chain oil feed is reduced to a

minimum when the regulating bolt

is completely

closed (turning clockwise) .

STARTING AND

STOPPING

IMPORTANT - Never start or operate the saw

unless bar and chain are properly installed.

Before starting always move the saw away from

the fuelling area and place it on firm, flat

surface, the guide bar to the front.

STARTING A COLD ENGINE

Check that the chain brake is in the disengaged

position moving the lever (L) backwards (towards

the front handle). Check that the ignition switch is

not in the “STOP” position.

Depress thrtottle trigger lockout (A). Depress

throttle trigger (B) and then pull up the throttle

lock (C).

Release first the throttle trigger (B) and then the

throttle lock (C).

In this way the throttle lock engages and your left

hand is free to grip the saw firmly.

Pull out the choke control (E). Activate the

decompression pressing the valve (D). Hold the

saw firmly as shown in illustration and pull the

starter rope until the engine fires once.

Push in the choke control (E). Re-activate the

decompression system by depressing valve (D).

Pull the starter rope until the engine starts.

Allow engine to warm up for a few seconds,

holding the saw firmly.

Beware of moving chain.

Release the safety lock by pressing the throttle

trigger (B).

STOP. The engine is stopped by moving the

ignition switch to STOP position.

IMPORTANT. After lengthy use of the chain saw at

full speed, we recommend to run the engine for a

few seconds at idle speed before stopping it.

STARTING A WARM ENGINE

Check that the ignition switch is not in the “stop”

position and do not use the throttle lock.

Hold the saw firmly, press valve (D) for

decompression and pull the starter rope.

STARTING A WARM ENGINE AFTER FUELLING

In the fuel tank as run completely dry, procede to

start as with a cold engine.

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McCulloch PRO MAC 72 Manual

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