English
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.
Complete machine
Control handle
Air filter
Pickup body in fuel tank
Fuel tank
Carburetor
Spark plug
Cooling inlets
1)
Sparl arresting screen
in muffler
All accessible screws and nuts (not adjust-
ing screws)
Solution container and hose – SR 430
Solution container, metering unit and hose
– SR 450
Strainer in container
Metering unit on blower tube
36
Visual inspection (condition, leaks)
Clean
Check operation
Clean
Replace
Check
Replace
Clean
Check idle adjustment
Readjust idle
Readjust electrode gap
Replace after every 100 operating hours
Visual Inspection
Clean
Check
Have cleaned or replaced by servicing
2)
dealer
Retighten
Visual inspection (condition, leaks)
Clean
Visual inspection (condition, leaks)
Clean
Clean or replace
Check
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SR 430, SR 450
X
X
X
X
X
X