Chain Tensioner; Front Chain Tensioner; Side Chain Tensioner - Stihl E 140 Service Manual

7.

CHAIN TENSIONER

7.1

Front Chain Tensioner

- Remove the chain sprocket
cover - see 4.1.
•
Pull the cover out of the motor
housing.
1
2
3
•
Unscrew the tensioning nut (1)
from the adjusting screw (2).
•
Take the adjusting screw out of
the cover (3).
Install in the reverse sequence.
7.2

Side Chain Tensioner

- Remove the chain sprocket
cover - see 4.1.
•
Take out the complete chain
tensioner.
1 4 3 2
•
Remove the thrust pad (1).
•
Rotate the spur gear (2) to
unscrew the adjusting screw (3)
fully from the tensioner slide (4).
2 1
•
Pull the spur gear (1) out of the
cover (2).
1 2
•
Pull off the tensioner slide (1).
• Take out the adjusting screw (2).
- Inspect the teeth on the spur
gear and adjusting screw,
replace both parts if necessary.
Install in the reverse sequence.
Note: Coat teeth of adjusting
screw and spur gear with
lubricating grease, see 10.2,
before refitting.
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