Mounting And Removing The Guide Bar And Chain - Stihl MSA 120 C Instruction Manual

15 Assembling the Chain Saw
– The pitch (t) of the chain (1), chain sprocket and, if using
a Rollomatic guide bar, the nose sprocket must match.
– The drive link gauge (2) of the chain must match the
groove width of the guide bar (3).
15.2 Mounting and Removing the Guide Bar and
Chain
15.2.1 Mounting the Guide Bar and Chain
WARNING
Make sure the battery is removed and the chain brake is
engaged before starting assembly. Never operate your
chain saw without a properly mounted guide bar and chain,
@ 6.5. Use only guide bar and chain combinations
expressly recommended or approved by STIHL, @ 6.4.
WARNING
The chain has many sharp cutters. If they contact your flesh,
they will cut you, even if the chain is not moving, @ 6.4.
Always wear heavy-duty work gloves when mounting or
otherwise handling the chain, @ 6.3.
To mount the guide bar and chain:
► Switch off the chain saw, @ 18.1.
► Engage the chain brake, @ 16.1.
► Remove the battery, @ 17.2.
1
3
► Raise the handle (1) of the wingnut (2).
0458-716-8621-E
► Turn the wingnut counterclockwise until the chain
► Remove the chain sprocket cover.
► Remove the tensioning gear (4).
► Remove the screw (5).
► Position the guide bar (6) on the tensioning gear so that
► Insert the screw and tighten it.
► Position the chain in the groove of the guide bar, starting
2
► Make sure that the cutters in the groove on the top side of
sprocket cover (3) can be removed.
5
4
the pins of the tensioning gear fit in the holes of the guide
bar.
4
at the tip.
the guide bar face the tip of the bar. STIHL chains are
manufactured with arrows on the tie straps to help the
operator determine the proper direction of the chain.
Arrows on the tie straps on the top of the bar must point
toward the bar tip.
English
6
5
4
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