Stihl 090 AV - Maintenance Chart

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