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Maintenance and Care
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.
Complete machine
Control handle
Air filter
Manual fuel pump (if fitted)
Pickup body (filter) in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling inlets
Cylinder fins
Valve clearance
Combustion chamber
All accessible screws and nuts (not adjust-
ing screws)
30
Visual inspection (condition, leaks)
Clean
Check operation
Clean
2)
Replace
Check
1)
Have repaired by servicing dealer
1)
Have checked by servicing dealer
1)
Have replaced by servicing dealer
Clean
Check idle adjustment – chain must not
rotate
Adjust idle speed
Readjust electrode gap
Replace after every 100 operating hours
Visual inspection
Clean
1)
Have cleaned by servicing dealer
If power is low or cranking effort very
high, have valve clearance checked
and, if necessary, adjusted by servicing
1)
dealer
Have cleaned after every 150 hours of
1)
operation by servicing dealer
Retighten
X
X
X
X
X
X
X
X
X
HT 102, HT 103, HT 132, HT 133
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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