Owner's Manual

HT 250
English
36
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
if required
Complete machine
Visual inspection (condition, leaks) XX
Clean X
Control handle Check operation XX
Air filter Replace X
Pickup body in fuel tank
Check X
Replace XXX
Fuel tank Clean XX
Carburetor
Check idle adjustment – chain must not
rotate
XX
Readjust idle 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 dealer
1)
X
All accessible screws and nuts (not adjust-
ing screws)
Retighten X
Antivibration elements
Check X
Have replaced by dealer
1)
X
Chain lubrication Check X
Saw chain
Inspect, also check sharpness XX
Check chain tension XX
Sharpen X