Catcher; Clutch - Stihl MS 270 User Manual

If the clutch drum is still serviceable,
use No. 120 emery paper or emery
cloth (grain size approx. 120 µm) to
clean and roughen its friction
surface.
Reassemble in the reverse
sequence.
Clean stub of crankshaft. Wash
needle cage in clean white spirit and
lubricate with STIHL multipurpose
grease – see 14.
– Rotate clutch drum/chain
sprocket and apply slight
pressure at the same time until
the oil pump drive spring
engages the notch (see arrow).
18
5.2 Replacing the Chain

Catcher

1
3
4
– Remove the chain sprocket
cover.
– Remove the bar and chain – wear
work gloves to protect your hands
from injury.
Take out the slotted screw (1).
Remove the side plate (2).
Take out the screw (3).
Remove the chain catcher (4).
Install in the reverse sequence.
5.3

Clutch

Troubleshooting chart –
– Remove the clutch drum or chain
sprocket – see 5.1.
2
Release the twist lock (1) and lift
away the carburetor box
cover (2).
1
Remove the spark plug boot (1).
– Unscrew the spark plug.
see 4.1.
2
1
MS 270, MS 280