16 Maintenance and Care
The following intervals apply for normal operating
conditions. If your daily working time is longer or
operating conditions are difficult (very dusty work
area, etc.), shorten the specified intervals accord‐
ingly.
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 (condi‐
tion, leaks)
X
X
Clean
X
Replace any damaged
parts
X
X
Control handle
Function test
X
X
Air filter
Visual inspection
X
X
Replace
1)
X
Manual fuel pump (if fit‐
ted)
Check
X
Have repaired by servic‐
ing dealer
2)
X
Pickup body (filter) in fuel
tank
Have checked by servic‐
ing dealer
2)
X
Have replaced by serv‐
icing dealer
2)
X
X
X
Fuel tank
Clean
X
X
Carburetor
Check idle adjustment –
the working/cutting
attachment must not run
X
X
Adjust idle speed
X
Spark plug
Adjust electrode gap
X
Replace after every 100
operating hours
Cooling air inlet
Visual inspection
X
Clean
X
Cylinder fins
Have cleaned by servic‐
ing dealer
2)
X
Valve clearance
If power is low or crank‐
ing effort very high, have
valve clearance checked
and, if necessary, adjus‐
ted by servicing dealer
2)
X
X
Combustion chamber
Have cleaned after
every 150 hours of oper‐
ation by servicing
dealer
2)
X
All accessible screws and
nuts (not adjusting
screws)
Re-tighten
X
Antivibration elements
Check
X
X
X
16 Maintenance and Care
English
0458-436-0121-B
17
