Stihl MS 291 C User Manual

MS 261 C-M
English
34
N Flip the bar – after each sharpening
and each time the chain is changed
– to avoid uneven wear, especially
at the sprocket nose and on the
bottom
N Periodically clean the oil inlet
hole (1), oil outlet channel (2) and
bar groove (3)
N Measure groove depth – using the
measuring tool on the file gauge
(special accessory) – in the area
with the greatest wear
If the groove is not at least this deep:
N Replace guide bar
Otherwise the drive links will grind
against the base of the groove – the
bottoms of the cutters and the tie straps
will not lie against the bar.
Removing the Shroud
N To switch off the engine, move the
Master Control lever in the direction
of STOP or † – when released, the
Master Control lever springs back to
the run position F.
N Push the hand guard forward – the
chain is locked.
N Open the twist locks (1) by turning
them 1/4 turn counterclockwise with
the combination wrench.
N Remove the shroud (2).
Installing the Shroud
N Place the shroud in position.
N Close the twist locks by turning
them a 1/4 turn clockwise.
Taking Care of the Guide Bar
Chain type Chain pitch Minimum
groove depth
Picco 1/4“ P 4.0 mm
Rapid 1/4“ 4.0 mm
2
3
1
143BA026 KN
Picco 3/8“ P 5.0 mm
Rapid 3/8“; 0.325“ 6.0 mm
Rapid 0.404“ 7.0 mm
Shroud
1
1
1
001BA199 KN
2

Stihl MS 291 C Specifications

General

Brand	Stihl
Model	MS 291 C
Category	Chainsaw
Language	English