Replacing The; Chain Catcher; Clutch - Stihl MS 440 Service Manual

If the clutch drum can be reused,
clean and roughen the friction
surface.
Reassemble in the reverse
sequence.
Clean stub of crankshaft. Wash
needle cage, examine it for damage
and replace if necessary. Lubricate
needle cage with STIHL multi-
purpose grease – b 16.
– Rotate clutch drum / chain
sprocket and apply slight
pressure at the same time until
the oil pump drive spring
engages in the slot on the
circumference.
MS 440, MS 440 C
5.2

Replacing the

Chain Catcher

2
– Remove the chain sprocket cover
– b 5.1
: Take out the screw (1) and
remove the chain catcher (2).
Reassemble in the reverse
sequence.
5.3

Clutch

Troubleshooting chart – b 4.1
1
– Remove the clutch drum/chain
sprocket – b 5.1
: Release twist lock (1) on
carburetor box cover (2) and lift it
off.
1
: On machines with HD air filter,
draw air guide (1) off to the rear.
2
1
15