John Deere CS71 - UT10919, CS71 - UT10920, CS71 - UT10921, CS81 - UT10923, CS81 - UT10924, CS81 - UT10925 Chainsaw User Manual


 
24 English
B
Chain Brake
If the chain brake does not work properly, remove the clutch
cover and clean the chain brake components. Check wear on
the brake band (A) and replace if worn or deformed. The band
thickness should not be less than 0.024" (.60mm), or worn
halfway through.
Always keep the chain brake mechanism clean and lightly
lubricate the linkage (B).
Always test the chain brake performance after servic-
ing or cleaning per the Operation - Chain Brake Sec-
tion.
Check and, if damaged, replace the chain catcher / safety
stop (C).
B
C
A
Oil Pump (automatic/adjustable)
Flow adjustment is pre-set by the manufacturer. Oil flow can be adjusted
by the operator according to specific requirements by means of the special
adjusting screw (D). Oil flow occurs only when the chain is moving.
MAINTENANCE
D