Assembling The Chain Saw; Cutting Attachment; Mounting And Removing The Guide Bar And Chain - Stihl MSA 300.0 Instruction Manual

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14 Assembling the Chain Saw

14.1 Cutting Attachment

WARNING
If non-matching components are used, the cutting
attachment will be damaged beyond repair after a short
period of operation, and the chain could de-rail, resulting in
serious or fatal personal injury.
A cutting attachment consists of the chain, guide bar and
chain sprocket.
1
a
t = a 2
– 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).
14.2 Mounting and Removing the Guide Bar and
Chain
14.2.1 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.
38
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, @ 17.1.
► Engage the chain brake, @ 15.1.
► Remove the battery, @ 16.2.
2
2
3
► Unscrew the nuts (1).
► Remove the chain sprocket cover (2).
► Turn the side chain tensioner (3) counter-clockwise until
the tensioning gear (4) sits flush against the housing.
► Position the chain in the groove of the guide bar, starting
at the tip.
14 Assembling the Chain Saw
3
4
1
0458-009-8601-A