Stihl FS 90 Instruction Manual page 50

The following maintenance operations apply to normal operating conditions.
If working conditions are difficult (very dusty work area, etc.) or your daily working
time is longer than normal, shorten the specified intervals accordingly.
Antivibration elements
(rubber buffers, springs)
Metal cutting tools
Gearbox lubrication
Safety labels
1)
STIHL recommends that this work be done by a
a STIHL servicing dealer
FS 90, FS 90 R
Check
1)
Replace
Visual inspection
Replace
Sharpen
Check tightness
Check
Replenish
Replace
X
X X
X
X X
X
English / USA
X X
X
X
X
X
X
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