Maintenance Chart - Stihl 090 Instruction Manual / Owners Manual

Maintenance Chart
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Complete machina
Visual inspectlon (condition, leaks)
x x
clean
x
Throttle !Jigger,
safety
tt'llvttSe
lock. stop switch.
Master Control, dep8ncfing on model Check operation x
x
ChaIn brake
Check operation
Clean
Filter In fuel
tank
Clean wire fifter
x
FI8pIace
felt
x
Fuel tank Clean
-
x
Chain oil
tank Clean
·x
Chain lubrtcatlon Check
x 28,29
Inspect, also check sharpness
x x
Saw chain
QIe.CI( chaln tension
x x
29
Sharpen
x
39
Inspect (wear,
damage)
x
28
Clean and
tum aver
x x
Guide
bar
-_.
~
.
Deburr
x
Replace
x
x
ChaIn
sprocket Check
x
29
Alrfilter
Clean
x
30
Replace
x
30
Cooling
InIe1s Clean
x
Cylinder
fins Clean
x
Check
Idle
adjustment-
3t
Carburetor chain must
not tum
x x
Readjust
Idle
x
3t
Spark plug Readjust
eleCtrode gap
x
~ accessible
SCI'8W8
and nuts
Retighten adjusting screws)
x
Rubber
vibration buffers
Inspect
x
To be replaced onlY
by
STlHL Dealer
x
Spark'
arrestor screen
Inspect.
depending on model
Clean
or
replace
Chain catching
bolt
Check
x
Replace
x 36