Instruction Manual

HT 250
English
38
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.
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 Replace X
Manual fuel pump
Check X
Have repaired by servicing dealer
1)
X
Pickup body (filter) in fuel tank
Check X
Replace XXX
Fuel tank Clean XX
Carburetor
Check idle adjustment – chain must not
rotate
XX
Adjust idle speed X
Spark plug
Adjust electrode gap X
Replace after every 100 operating hours
Cooling air inlet
Visual inspection X
Clean X
Spark arresting screen in muffler
Check
1)
XX
Have replaced by servicing dealer
1)
X
Spacer
Check X
Have replaced by servicing dealer
1)
X
All accessible screws and nuts (not adjust
-
ing screws)
Retighten X
Antivibration elements
Check X
Have replaced by servicing dealer
1)
X
Chain lubrication Check X