SR 440
English
56
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 X
Control handle Check operation XX
Air filter
Clean X
Replace X
Manual fuel pump
Check X
Have repaired by servicing dealer
1)
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
All accessible screws and nuts (not adjust-
ing screws)
Retighten X
Container with hose
Visual inspection (condition, leaks) X
Clean X
Strainer in container Clean or replace XX
Metering unit on blower tube Check XX
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