STIHL 019 T
6
• Remove the E-clip (1).
• Remove the washer (2).
• Pull off the chain sprocket.
• If the clutch drum is still serviceable,
use No. 120 emery paper or emery
cloth (grain size approx. 120µm) to
clean and roughen its friction
surface.
Reassemble in the reverse sequence.
- Clean stub of crankshaft. Wash
needle cage in clean white spirit and
lubricate with grease - see 11.2.
- Replace damaged needle cage.
- Rotate chain sprocket and apply
slight pressure at the same same
until oil pump drive spring engages
properly.
• Take the needle cage out of the
sprocket.
- Clean and inspect the chain
sprocket.
• Unscrew the nut.
- Pull off the chain sprocket cover.
- Disengage the chain brake by
pulling the hand guard toward
the front handle.
3.
CLUTCH, CHAIN DRIVE, CHAIN BRAKE AND CHAIN TENSIONER
3.1 Chain Sprocket
Important
: If there are noticeable
wear marks on the inside diameter of
the clutch drum, check its wall
thickness. If it is less than 80% of the
original wall thickness, fit a new
sprocket.
Note:
If the clutch drum has to be
replaced, also check the brake band
- see 3.3.2.
