General failures’ analysis
63,4 cm³ chainsaws
OK
REPLACE
Attention:
always replace the snap ring after
removing.
Attention:
When reassembling the clutch make
sure that the worm gear drive spring (
I
) lodges
into the clutch drum correctly (
II
)
I
II
c)
Sprocket/power mate ring inspection
Check the sprocket/power mate ring wear
periodically. Replacement is suggested every
100 hrs or before