Husqvarna 345 用户手册
12
– English
3
WARNING!
Make sure the spring does not fly
out and cause injury. Wear eye
protection.
Make sure the spring does not fly
out and cause injury. Wear eye
protection.
Repair instructions
Chain brake – dismantling
1
Disengage the brake by pushing the kickback
guard backwards. Unscrew the guide bar bolts and
remove the clutch cover, chain and guide bar.
guard backwards. Unscrew the guide bar bolts and
remove the clutch cover, chain and guide bar.
2
Grip the clutch cover carefully in a vice. Release
the brake spring by using the kickback guard from
the saw as a tool. Engage it with the brake mecha-
nism and turn anticlockwise to activate the brake.
the brake spring by using the kickback guard from
the saw as a tool. Engage it with the brake mecha-
nism and turn anticlockwise to activate the brake.
Remove the screws and carefully remove the cover
from the chain brake spring.
from the chain brake spring.
4
Place one hand over the spring and insert a small
screwdriver between the bottom end of the spring
and the clutch cover. Carefully prise the spring
upwards so that it slides onto the screwdriver shaft.
screwdriver between the bottom end of the spring
and the clutch cover. Carefully prise the spring
upwards so that it slides onto the screwdriver shaft.
Cleaning and inspection
• Clean and inspect all parts carefully. If there are
any cracks or other defects replace the damaged
parts with new ones. Always use original parts.
parts with new ones. Always use original parts.
• Measure the thickness of the chain brake band.
It must be no less than 0.6 mm at any point.
• Lubricate the elbow joint with grease.
min 0,6 mm