37FS 500, FS 550
English / USA
1)
STIHL recommends a STIHL servicing dealer
* see "Guide to Using this Manual"
Maintenance Chart
Please note that the following maintenance intervals apply for normal operating
conditions. If your daily working time is longer than normal or cutting conditions
are difficult (very dusty work area etc.), shorten the specified intervals
accordingly.
before
starting work
after finishing
work or daily
after each
refueling stop
weekly
monthly
every 12 months
if problem
if damaged
as required
Complete machine
Visual inspection
(condition, leaks)
XX
Clean
X
Control handle Check operation
XX
Air filter
Clean
XX
Replace
X
Pick up body in fuel tank
Check
X
Replace
XXX
Fuel tank Clean
XX
Carburetor
Check idle adjustment – cutting tool
must not turn
XX
Readjust idle
X
Spark plug
Readjust electrode gap
X
Replace after 100 hours of operation
Cooling inlets
Inspect
X
Clean
X
Spark arresting screen* in muffler
Inspect
XX
Replace
XX
All accessible screws and nuts (not
adjusting screws)
Retighten
X
Anti-vibration element
Check
XXX
Have replaced by servicing dealer
1)
Cutting tools
Visual inspection
XX
Replace
X
Check tightness
of cutting tool
XX
Metal cutting tools Sharpen
XX
Safety labels Replace
X
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