Husqvarna 1150902-95 User Manual

Page of 44
MAINTENANCE
English
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 33
To adjust the carburetor correctly you should contact a 
mechanic with access to a rev counter.
CAUTION! As the spark is cut off, the rev counter does not 
show speeds higher than 13600 rpm.
Correctly adjusted carburetor
When the carburetor is correctly adjusted the machine 
accelerates without hesitation and the machine 4-cycles 
a little at max. speed. It is also important that the chain 
does not rotate at idle. If the L-jet is set too lean it may 
cause starting difficulties and poor acceleration. If the H-
jet is set too lean the machine will have less power, poor 
acceleration and could suffer damage to the engine.
Checking, maintaining and 
servicing chain saw safety 
equipment
Chain brake and front hand guard
Checking brake band wear
Brush off any wood dust, resin and dirt from the chain 
brake and clutch drum. Dirt and wear can impair 
operation of the brake.
Regularly check that the brake band is at least 0.024 inch 
(0.6 mm) thick at its thinnest point.
Checking the front hand guard
Make sure the front hand guard is not damaged and that 
there are no visible defects such as cracks.
Move the front hand guard forwards and back to make 
sure it moves freely and that it is securely anchored to the 
clutch cover.
Checking the inertia brake release
With the engine turned off, hold the chain saw over a 
stump or other firm object. Let go of the front handle so 
that the bar drops towards the stump as the chain saw 
rotates around the rear handle.
When the bar hits the stump the brake should be 
applied.
Checking the brake trigger
Place the chain saw on firm ground and start it. Make sure 
the chain does not touch the ground or any other object. 
See the instructions under the heading Start and stop.
Grasp the chain saw firmly, wrapping your fingers and 
thumbs around the handles.
Note! All servicing and repair work on the machine 
requires special training. This is especially true of the 
machine
′s safety equipment. If your machine fails any of 
the checks described below we recommend you to 
contact our servicing dealer.