Trouble Shooting - Husqvarna 334T Workshop Manual

Hide thumbs Also See for 334T:

Operator's manual (84 pages)

Basic adjustment (4 pages)

Operator's manual (76 pages)

Table Of Contents

Table of Contents

For Husqvarna Parts Call 606-678-9623 or 606-561-4983

Trouble shooting chart

The different faults that can occur on the chain saw are divided

into four groups as follows. Within each group possible

operating faults are listed to the left while the probable fault

alternatives are listed to the right. The most likely fault is listed

first, etc.

Starting

Adjust the L-screw

Difficult to start

Air filter blocked

Choke does not work

Worn choke axle

Worn choke valve

Blocked fuel filter

Blocked fuel line

Piston ring seized

Blocked impulse channel

Loose or faulty fuel pipe

Carburettor leaks

fuel

Hole in diaphragm

Worn needle/needle tip

Control system sticking

Control system set too high

Leaking control system (air or fuel)

Cover on the carburettor's pump side

is loose

Floods when the

Worn needle/needle tip

engine is not running

Control system set too high

Control system sticking

Idling (low speed)

Does not idle

Adjust the L-screw

Leaking inlet manifold (rubber)

Loose carburettor mounting

Loose or faulty fuel pipe

Blocked fuel filter

Blocked fuel line

Tank ventilator blocked

Throttle valve axle stiff

Throttle sticks

Defective throttle return spring

Bent valve axle stop

Faulty diffuser jet

Too rich idling

Adjust the L screw

Worn needle/needle tip

Control system set too high

Worn lever arm in the control system

Leaking diaphragm/cover plate

Control system sticking

– English