Stihl MS 291 C - Mounting the Bar and Chain (Quick Chain Tensioner)

7 Mounting the Bar and
Chain (quick chain ten‐
sioner)
7.1 Removing the chain sprocket
cover
133BA026 KN
2
1
3
► Pull the hinged handle (1) out (until it
engages)
► Turn the wingnut (2) counterclockwise until it
hangs loose
► In the sprocket cover (3).
► Remove the chain sprocket cover
7.2 Fitting the tensioning gear
1
172BA007 KN
► Remove the tensioning gear (1) and turn it
over.
2
172BA008 KN
► Unscrew the nut (2).
1
5
4
3
172BA009 KN
► Position the tensioning gear (1) against the
guide bar (3) so that the stud (4) projects
through the upper hole and the short guide
peg (5) locates in the lower hole.
2
172BA010 KN
► Screw the nut (2) on to the stud as far as stop
by hand.
7.3 Disengage the chain brake.
001BA186 KN
► Pull the hand guard towards the front handle
until there is an audible click – the chain brake
is disengaged.
7 Mounting the Bar and Chain (quick chain tensioner) English
0458-574-0121-D 17