Stihl MS 391

26 MS 311, MS 391
: Pull out the spur gear (1) and
tensioner slide (2).
– Inspect the thrust pad (3),
support (4), tensioner slide (1),
spur gear set (2) and replace as
necessary.
– Clean all disassembled parts,
b 14
– Lubricate thread with STIHL
multipurpose grease, b 14
– Reassemble in the reverse
sequence.
4903RA052 TG
1
2
42
1 3
2
533RA058 TG
5.7 Bar Mounting Studs
: Push stud puller 5910 893 0501
(1) over the collar studs (2) as far
as it will go and unscrew the
studs counterclockwise.
: Before installing, coat threads (1)
and (2) of collar studs with
threadlocking adhesive, b 14
– Fit the collar studs and tighten
them down firmly.
– Reassemble all other parts in the
reverse sequence.
4903RA054 TG
2 2
1
4903RA055 TG
21