The following intervals apply for normal operating
conditions. The specified intervals must be short‐
ened accordingly when working for longer than nor‐
mal or under difficult cutting conditions (extensive
dust, etc.).
Before starting work
At the end of work and/or daily
Whenever tank is refilled
Weekly
Monthly
Annually
If faulty
If damaged
As required
Clean
X
Control handle
Function test
X
X
Air filter
replace
X
X
Manual fuel pump
check
X
Have repaired by a spe‐
cialist dealer
1)
X
Filter in fuel tank
Have checked by
dealer
1)
X
Have replaced by serv‐
icing dealer
1)
X
X
Fuel tank
Clean
X
Carburetor
Check idle speed
X
X
Readjust idle speed
X
Spark plug
Adjust electrode gap
X
Replace after every 100
hours of operation
Intake port for cooling air Visual inspection
X
Clean
X
Valve clearance
If power is low or crank‐
ing effort very high, have
valve clearance checked
and, if necessary, adjus‐
ted by dealer
1)
X
Spark arresting screen in
muffler
Check if installed
X
Check or replace
1)
X
Spacer, shim
check
X
Have replaced by serv‐
icing dealer
1)
X
X
All accessible screws,
nuts and bolts (not
adjusting screws)
Tighten
X
Anti-vibration elements
check
X
Have replaced by serv‐
icing dealer
1)
X
X
Blower air intake shield
check
X
X
Clean
X
Base plate
check
X
X
Clean
X
English
18 Maintenance and Care
18
0458-490-8321-B