Chain Tensioner; Bar Mounting Stud - Stihl MS 200 Service Manual

7.6

Chain Tensioner

– 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.
: Take out the screw (arrow).
1
: Use a suitable tool to pull out the
complete chain tensioner (1).
MS 200, MS 200 T
2 3
5
: Inspect the thrust pad (1), spur
gear (2), adjusting screw (3),
tensioner slide (4) and cover (5)
and replace if necessary.
– Clean all disassembled parts with
a little standard commercial
solvent-based degreasant
containing no chlorinated or
halogenated hydrocarbons.
Replace any damaged or worn
parts.
Always replace the adjusting screw
and spur gear as a matching pair.
– Check operation.
– Lubricate the chain tensioner
with STIHL multipurpose grease,
b 16
– Reassemble in the reverse
sequence.
7.7

Bar Mounting Stud

1
4
– Remove the chain sprocket
cover, bar and chain, b 5
: Push stud puller 5910 893 0501
(1) over the collar stud (2) as far
as it will go. Unscrew the stud.
: Before installing, coat thread
(arrow) of collar stud with Loctite,
b 16
– Fit collar stud and tighten it down
firmly.
– Tightening torques, b 3.5
– Reassemble all other parts in the
reverse sequence.
2
1
27