Owner's Manual

SR 430, SR 450
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
Clean X
Replace X
Pickup body in fuel tank
Check X
Replace XX
Fuel tank Clean X
Carburetor
Check idle adjustment XX
Readjust idle X
Spark plug
Readjust electrode gap X
Replace after every 100 operating hours
Cooling inlets
Visual Inspection X
Clean X
Sparl arresting screen
1)
in muffler
Check X
Have cleaned or replaced by servicing
dealer
2)
X
All accessible screws and nuts (not adjust-
ing screws)
Retighten X
Solution container and hose – SR 430
Visual inspection (condition, leaks) X
Clean X
Solution container, metering unit and hose
– SR 450
Visual inspection (condition, leaks) X
Clean X
Strainer in container Clean or replace XX
Metering unit on blower tube Check XX