HT 250
English
35
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 (if fitted)
Check X
Have repaired by servicing dealer
1)
X
Pickup body 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 inlets
Visual inspection X
Clean X
Spark arresting screen
2)
in muffler
Check
1)
XX
Have replaced by servicing dealer
1)
X
All accessible screws and nuts (not adjust-
ing screws)
Retighten X
Anti-vibration elements
Check X
Have replaced by servicing dealer
1)
X
Chain lubrication Check X