English
Install spur chain sprocket / rim
sprocket
Checking and Replacing
the Chain Sprocket
5
4
N
Remove chain sprocket cover, saw
chain and guide bar.
N
Clean crankshaft stub and needle
6
cage and lubricate with STIHL
lubricant (special accessory)
2
N
Release chain brake – pull hand
guard against the front handle
1
6
N
N
Slide needle cage onto the
crankshaft stub
Fit new chain sprocket
After refitting, turn the clutch drum
and/or spur chain sprocket approx.
3
1
full turn so that the carrier for the
oil pump drive engages
2
N
N
Refit the rim sprocket – cavities
toward the outside
1
Refit washer and E-clip on the
crankshaft
N
Use a screwdriver to remove the E-
clip (1)
–
–
after use of two saw chains or
earlier
N
N
N
Remove the washer (2)
Remove rim sprocket (3)
if the wear marks (arrows) are
deeper than 0.02 in (0.5 mm) –
otherwise the service life of the saw
chain is reduced – use check gauge
(special accessory) to test
Inspect transport profile on the
clutch drum (4) – if there are also
heavy signs of wear, also replace
the clutch drum
Using two saw chains in alternation
helps preserve the chain sprocket.
N
Remove clutch drum or spur chain
sprocket (5) including needle
cage (6) from the crankshaft – with
versions with two chain brake
systems, press throttle lock
beforehand
Use only STIHL original chain sprockets
to ensure reliable functioning of the
chain brake.
MS 311, MS 391
43
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 311, STIHL MS 391 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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