The following intervals apply to normal operating conditions only. If your daily work -
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
shorten the specified intervals accordingly.
Spark arrestor in muffler
Spacer
Exhaust port
All accessible screws and nuts (not adjust -
3)
ing screws)
Antivibration elements
Cutting attachment
Metal cutting attachment
Safety labels
1)
Only if there is a noticeable loss of engine power
2)
STIHL recommends that this work be done by a STIHL servicing dealer
3)
Tighten down the muffler mounting screws firmly after first 10 to 20 hours of operation.
4)
see chapter "Inspections and Maintenance by Dealer", section "Antivibration Elements"
FS 460 C-M, FS 460 C-M L, FS 490 C-M, FS 490 C-M L
2)
Check
2)
Clean or replace
Check
2)
Replace
Decoke after first 139 hours of opera -
tion, then every 150 hours of operation
Retighten
4)
Check
2)
Replace
Visual inspection
Replace
Check tightness
Sharpen
Replace
X
X
X
X
X
X
X
X
English
X
X
X
X
X
X
X
X
X
X
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