Husqvarna 340 User Manual download pdf (Page 15)

14 – English

WARNING!

Do not touch the silencer until it

has cooled down, otherwise you

may burn yourself.

Repair instructions

Remove the chain catcher and replace it with a

new one. Check that the vibration damping spring

locates correctly against the crankcase when you

bolt the new chain catcher in position.

A worn (damaged) chain catcher on 340, 345 or

350 can be replaced with the same chain catcher

as 346XP, 351 and 353 (see figure above).

Turn the chain tensioner anticlockwise as far as it

will go.

Refit:

• guide bar

• chain

• clutch cover

Silencer – removal

Remove the cylinder cover, silencer support,

silencer, gasket and cooling plate.

If the saw is fitted with a spark arrestor mesh this

must also be removed.

Cleaning and inspection

Clean and inspect all parts carefully. If there are

any cracks or other defects replace the damaged

parts with new ones.

The spark arrestor mesh is best cleaned with a

wire brush. If the mesh is damaged it must be

replaced.

If the mesh is blocked the saw will overheat and

this will cause damage to cylinder and piston.

Never use the saw with a silencer that is in poor

condition. Always use original parts.

Silencer – refitting

If the saw is equipped with a spark arrestor mesh

this should be fitted first.

Refit

• cooling plate

• gasket

• silencer, tighten bolts to a torque of 8–10 Nm.

• silencer support

• cylinder cover

Run the saw for at least 1 minute, then retighten

the silencer bolts to 8–10 Nm.

Chain catcher – replacement

If the chain catcher is worn it must be replaced with

a new one.

Release the brake by pushing the kickback guard

backwards. Undo the guide bar bolts and remove

the clutch cover, chain and guide bar.

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Husqvarna 340 User Manual Page 15

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