Operation Manual

40
English / USA
HT 250
1)
STIHL recommends a STIHL servicing dealer
Maintenance Chart
The following maintenance intervals apply for normal operating conditions only. If
your daily working time is longer than normal or cutting conditions are difficult
(very dusty work area, resin-rich wood, tropical wood etc.), shorten the specified
intervals accordingly.
before starting work after finishing work or daily after each refueling stop weekly monthly yearly 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
Readjust electrode gap
X
Replace after 100 hours of operation
Cooling inlet
Inspect
X
Clean
X
Spark arresting screen in muffler
Inspect
XX
Have replaced by servicing dealer
1)
X
All accessible screws and nuts (not
adjusting screws)
Retighten
X
Antivibration elements
Check
X
Have replaced by servicing dealer
1)
X