Online version - not for reprint
21MS 270, MS 280
Troubleshooting chart – see 4.1.
– Remove the chain sprocket
cover, bar and chain – wear work
gloves to protect your hands from
injury.
– Remove the clutch drum/chain
sprocket – see 5.1.
Take out the screw (1).
Remove the side plate (2).
– Engage the chain brake by
pushing the hand guard away
from the front handle.
VA
138RA004
1
2
Take out the screws (arrows).
Remove the cover (1).
– Relieve tension of brake spring
by pushing hand guard forward.
VA
146RA006
1
Carefully ease the brake
spring (1) off the anchor pin and
take it off the bell crank (2).
VA
146RA007
1
2
Take out the screw (arrow).
VA
146RA008
Pry the brake band out of the
crankcase.
VA
146RA009
Remove the brake band (1) from
the lugs on the crankcase.
Disconnect the brake band from
the bell crank (2).
VA
146RA010
2
1
5.4.2 Removing