Troubleshooting - Husqvarna 357XP/G Workshop Manual

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Operator's manual (44 pages)

Operator's manual (48 pages)

Operator's manual (44 pages)

Table Of Contents

Table of Contents

The various faults that can affect a chainsaw are divided into four groups. In each group the likely symp-

toms are given on the left and possible causes are listed on the right. The most likely faults are given first,

and so on.

Starting

Adjust L screw

Difficulty starting

Air filter blocked

Choke not working

Worn choke pivot

Worn choke valve

Fuel filter blocked

Fuel line blocked

Piston ring seized

Blocked impulse channel

Loose or faulty fuel pipe

Carburettor

Hole in diaphragm

leaking fuel

Worn needle valve

Needle valve assembly sticking

Needle valve set too high

Leak in metering system (air

or fuel)

Loose cover on carburettor

pump side

Worn needle valve

Flooding when

Needle valve set too high

engine not

Needle valve assembly sticking

running

Idling (low rpm)

Will not idle

Adjust L screw

Leaking air intake hose (rubber)

Loose carburettor mounting bolts

Loose or faulty fuel hose

Fuel filter blocked

Fuel line blocked

Fuel tank vent blocked

Throttle valve pivot stiff

Throttle pushrod sticking

Defective throttle return spring

Bent throttle stop

Faulty diffuser jet

Idling too rich

Adjust L screw

Worn needle valve

Needle valve set too high

Worn needle valve lever

Leaking control diaphragm/cover

plate

Needle valve assembly sticking

– English