37
MS 380
English
Spur Sprocket, Clutch Drum
:
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
).
:
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.
Install in the reverse sequence:
:
Clean the stub of the crankshaft and
needle cage and lubricate with
STlHL grease (Special
Accessories).
:
Push the needle cage, spur
sprocket and clutch drum with spur
gear onto the crankshaft.
:
Engage the oil pump drive worm by
rotating it counterclockwise while
pushing it onto the pump shaft.
:
Lubricate the worm and spur gear
with STlHL grease (Special
Accessories).
:
Fit the cover, cover washer and side
plate, fit screws and tighten down
firmly.
:
Install the circlip on the spur
sprocket – each end of the ring must
locate on the top of a tooth.
:
Replace the rim sprocket (
3
)
with cavities facing outward.
:
Fit the washer and E-clip on the
crankshaft.
1
215BA019 KN
8
5
6
7
5
2
4
215BA020 KN
9
10
11
12
