Stihl - Stihl MS 381 Instruction Manual

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Rim Sprocket
:
Use a screwdriver to remove
the E-clip (1).
:
Take off the washer (2).
:
Examine the splines on the clutch
drum – if wear marks are severe,
install a new clutch drum.
:
Replace the rim sprocket (3)
with cavities facing outward.
:
Refit the washer and E-clip on the
crankshaft.
MS 381
Spur Sprocket, Clutch Drum
7
6
8
4
5
:
Use a screwdriver to remove
the E-clip (1).
:
Take off the washer (2).
:
Use circlip pliers (Special
Accessories) to remove the
circlip (4).
:
Take out the screws (5).
:
Remove the side plate (6) and
cover (7) with cover washer (8).
5
12
2
1
:
Remove the oil pump drive worm (9)
by rotating it clockwise while pulling
it off the pump shaft.
:
Remove the spur sprocket or clutch
drum (10) with sprocket, spur gear
(11) and needle cage (12) from the
crankshaft.
Check serviceability of spur gear
and worm. Replace any worn or
damaged parts.
English
10
11
9
37

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