General failures’ analysis
GS35 – GS350 – MT350 – MT3500 chainsaws
e)
Worm gear inspection
If worn or broken replace:
•
Remove with the correct tool from the tool box
(
I
)
I
p/n 3055133
•
Insert the worm gear into the fitting tool
(
I
) leave about 2 mm sticking out.
•
Fit the worm gear spring on the
crankshaft until the end of the spring
touches the crank seat (Photo 1-2).
•
Screw in the tool until stop (
I
) to give
the correct pitch to the worm gear.
Photo 2
Photo 1
