Stihl KM 91 R User Manual

KM 91 R
English
19
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 XX
Replace any damaged parts X
Control handle Check operation XX
Air filter
Visual inspection XX
Replace
1)
X
Manual fuel pump (if fitted)
Check X
Have repaired by servicing dealer
2)
X
Pickup body in fuel tank
Have checked by servicing dealer
2)
X
Have replaced by servicing dealer
2)
XXX
Fuel tank Clean XX
Carburetor
Check idle adjustment – the working/cut-
ting attachment must not run
XX
Adjust idle speed X
Spark plug
Adjust electrode gap X
Replace after every 100 operating hours
Cooling inlet
Visual inspection X
Clean X
Cylinder fins Have cleaned by servicing dealer
2)
X
Valve clearance
If power is low or cranking effort very
high, have valve clearance checked
and, if necessary, adjusted by servicing
dealer
2)
X
Spark arresting screen in muffler
Check XX
Clean or replace XX

Stihl KM 91 R Specifications

General

Brand	Stihl
Model	KM 91 R
Category	Trimmer
Language	English