Chain Brake; Disassembly - Stihl 064 Service Manual

STIHL 064, 066
Top:
Attaching clutch springs
Bottom:
Crankshaft stub with neck
- Attach one end of each spring to
the clutch shoes by hand.
- Use the assembly hook to attach
the other ends of the springs and
press them firmly into the clutch
shoes with one finger.
- Fit a cover washer on necked
crankshaft stubs. Do not fit a
cover on crankshaft stubs without
a neck.
Top:
Crankshaft stub without neck
Bottom:
Tightening the clutch
- Screw clutch onto crankshaft and
tighten down to a torque of 50
Nm (37 Ibf.ft).
- Install clutch drum with rim
sprocket (or spur sprocket)
- see 3.1.
- Remove locking strip from
cylinder. Install spark plug and
tighten - down to a torque of 25
Nm (18.5 Ibf.ft).
- Fit outer half of air filter.
3.3

Chain Brake

3.3.1

Disassembly

Top:
Inner side plate mounting screw
Bottom:
Cover mounting screws
- Remove the clutch drum with rim
sprocket (or spur sprocket)
- see 3.1
- Remove mounting screw from
inner side plate and lift side plate
away.
- Remove mounting screws from
cover and take out the cover.
19