Stihl MS 171 Manual page 28

7.6 Chain Tensioner
For machines with quick chain
tensioner see b 5
– Remove the chain sprocket
cover, bar and chain, b 5
– Troubleshooting, b 4.2
2
1
: Turn the spur gear (2) clockwise
until the tensioner slide (1) butts
against the right-hand end and
the screw (arrow) is visible.
: Remove the screw (arrow).
MS 171, MS 181, MS 211
All manuals and user guides at all-guides.com
: Remove the spur gear (1) and
tensioner slide (2).
2
1
: Inspect the cover (1), spur gear
assembly (2), tensioner slide (3)
and thrust pad (4) and replace if
necessary.
– Clean all disassembled parts,
b 16
– Lubricate the chain tensioner
with STIHL multipurpose grease,
b 16
– Install in the reverse sequence.
7.7
1 2
– Remove the chain sprocket
2 4
: Push stud puller 5910 893 0501
: Unscrew collar stud (3).
3
: Before installing, coat threads
– Fit the collar studs and tighten
– Tightening torques, b 3.5
– Reassemble all other parts in the
Bar Mounting Studs
3 2
1
cover, bar and chain, b 5
(1) over the collar stud (2) as far
as it will go. Unscrew the stud.
(arrows) of collar studs with
Loctite, b 16
them down firmly.
reverse sequence.
27