Stihl 029, 039 - 3.3 Chain Brake; 3.3.1 Disassembly

STIHL 029, 039 17
Top: Top: Top:
Tightening the clutch Bumper strip Detaching brake spring
Bottom: Bottom: Bottom:
Fitting the prefilter Cover mounting screws Removing the brake band
- Screw clutch onto crankshaft - Remove the clutch drum or spur - Carefully remove the brake
and torque down to 50 Nm sprocket - see 3.1. spring from the anchor pin.
(37 Ibf.ft).
- Engage the chain brake. - Ease the brake band out of its
- Install clutch drum or spur seat in the engine housing.
sprocket - see 3.1 - Remove the upper bumper strip
from its seat.
- Remove locking strip from
cylinder. Install spark plug - Remove mounting screws from
and torque down to 25 Nm cover and lift cover away.
(18.5 Ibf.ft).
- Install the air filter - see 11.1.
- Fit the prefilter so that its tabs
engage the recesses in the
handle housing.
3.3 Chain Brake
3.3.1 Disassembly