MS 290, MS 310, MS 390
English
19
Removing the chain sprocket cover
N
Unscrew the nuts and take off the
chain sprocket cover.
N
Turn the screw (1)
counterclockwise until the tensioner
slide (2) butts against the left end of
the housing slot.
Disengaging the chain brake.
N
Pull the hand guarad towards the
front handle until there is an audible
click – the chain brake is
disengaged.
Fitting the chain
WARNING
Wear work gloves to protect your hands
from the sharp cutters.
N
Fit the chain – start at the bar nose.
N
Fit the guide bar over the studs (1) –
the cutting edges on the top of the
bar must point to the right.
N
Engage the peg of the tensioner
slide in the locating hole (2) –- place
the chain over sprocket (3) at the
same time.
N
Turn the tensioning
screw (4)clockwise until there is
very little chain sag on the
underside of the bar – and the drive
link tangs are engaged in the bar
groove.
N
Refit the sprocket cover and screw
on the nuts only fingertight.
N
Go to chapter on "Tensioning the
Saw Chain"
Mounting the Bar and Chain
143BA034 KN
1
2
001BA185 KN
001BA186 KN
143BA003 KN
3
1
1
2 4
001BA187 KN
