![background image](http://html1.mh-extra.com/html/stihl/e-140/e-140_service-manual_1378832018.webp)
- Remove the chain sprocket
cover -
see 4.1.
•
Pull the cover out of the motor
housing.
•
Unscrew the tensioning nut (1)
from the adjusting screw (2).
•
Take the adjusting screw out of
the cover (3).
Install in the reverse sequence.
- Remove the chain sprocket
cover -
see 4.1.
•
Take out the complete chain
tensioner.
•
Remove the thrust pad (1).
•
Rotate the spur gear (2) to
unscrew the adjusting screw (3)
fully from the tensioner slide (4).
•
Pull the spur gear (1) out of the
cover (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.
7.
CHAIN TENSIONER
7.1
Front Chain Tensioner
7.2
Side Chain Tensioner
100RA074
1
4
3
2
VA
100RA076
2
1
VA
100RA072
VA
100RA073
VA
100RA075
2
1
VA
143RA052
VA
1
2
3
17