Stihl MS 291 User Manual

32 MS 271 C, MS 291 C
: Take out the screw (arrow).
: Remove the cover plate (1) and
adjusting wheel (2).
When installing the adjusting wheel,
make sure its teeth face the cover
plate.
– Reassemble in the reverse
sequence.
5.8 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.
– Coat the collar studs with
threadlocking adhesive, fit and
tighten down firmly, b 14
1
2
0001RA001 TG
2710RA062 TG
1
22
Machines with quick chain
tensioner
– Remove the side plate, b 5.2
: Push stud puller (1)
5910 893 0501 over the collar
stud as far as it will go and
unscrew the stud (2)
counterclockwise.
– Coat the collar stud with
threadlocking adhesive, fit and
tighten down firmly, b
14
– Reassemble all other parts in the
reverse sequence.
2710RA065 TG
2
1
Repair solution
If the thread in the engine housing is
badly damaged or stripped it will not
be possible to tighten the standard
collar stud to the specified torque –
the security of the collar stud is no
longer guaranteed.
Collar stud 0000 664 2411 may be
used to rectify such a problem.
– Remove the standard collar stud
– do not re-drill the hole.
: Coat the thread (1) of the collar
stud 0000 664 2411 with
threadlocking adhesive, b
14
– Fit the collar stud 0000 664 2411
by hand so that it engages the
existing thread.
– Fit collar stud and tighten it down
firmly.
– Reassemble all other parts in the
reverse sequence.
2710RA068 TG
1

Stihl MS 291 Specifications

General

Engine Power	2.8 kW
Displacement	55.5 cm³
Weight	5.6 kg
Vibration Level (left/right)	4.5/4.5 m/s²
Guide Bar Length	16 in to 20 in
Fuel Tank Volume	460 ml
Chain Pitch	3/8"
Fuel Capacity	500 cc