Mounting Guide Bar And Chain - Stihl 090 Instruction Manual / Owners Manual

20
Mounting Guide Bar and Chain
Top: Backing off tensioning nut
Bottom: Locating the guide bar
The guide bar and Oilomatic chain are supplied separately
for safety reasons.
To mount them, first unscrew the coliar nuts (1) from the
stud bolts (2) and take off the sprocket cover (3).
Now back off the chain tensioning nU1 (4) - below the stud
bolts (2) - by tuming the tensioning screw (5) counter-
clockwise to the end of Its thread.
Top: FJtting the Ollomalic chain
Bottom: Cutting edges face the bar nose
Locate slot of guide bar over the stud bolts (2) so that the
lug of the tensioning nU1 (4) engages in the lower fixing
hole (6).
Starting at the chain sprocket, place the Oilomatic chain on
the guide bar so thal cutting edges on the top of the bar are
facing the bar nose
(7).
Fit chain sprocket cover (3) on the
stud bolts (2) and tighten coliar nuts (1) temporarily by
hand. .