0478 216 9907 C - EN
44
– Engine flooded due to several starting
attempts
Remedy:
– Close feed chute properly and tighten
screws (
Ö
7.7)
– Remove shredder deposits from
housing (
important:
first detach spark
plug socket)
– Top up fuel; clean fuel line (
Ö
7.9)
– Always use fresh, good quality fuel,
normal unleaded petrol; clean
carburettor (
Ö
7.9)
– Connect spark plug socket; check
connection between ignition lead and
socket
– Clean air filter
– Clean or replace spark plug; adjust
electrode gap
– Remove spark plug and dry; pull recoil
starter rope repeatedly with spark plug
removed (switch in
O
position)
Fault:
Engine overheating
Possible cause:
– Dirty cooling ribs
– Oil level in engine too low
– Surface of engine covered with
shredded material
Remedy:
– Clean cooling ribs (
Ö
11.2)
– Top up engine oil (
Ö
7.9)
– Remove shredded material from the
engine
Fault:
Shredding material is not drawn in
Possible cause:
– Blunt or incorrectly ground blades
Remedy:
– Reverse or re-sharpen blade; ensure
sharpening angle of 30° (
Ö
11.3)
Fault:
Reduced shredding performance
Possible cause:
– Blunt blades
– Incorrectly ground blades
– Bent blade disc
Remedy:
– Re-sharpen or replace blades (
Ö
11.3)
– Sharpen blades correctly (
Ö
11.3)
– Visually inspect blade disc and replace
if necessary (
Ö
7.6)
Fault:
Excessive vibration during operation,
abnormal noises, rattling
Possible cause:
– Faulty blade disc or blades
– Loose engine mounting
– Bolts loose
Remedy:
– Check blade discs, blades, blade shaft,
screws, nuts, washers and bearings of
cutting unit, repair if necessary
– Tighten engine mounting bolts
– Ensure secure seating of bolts
1
9.
1
Handover confirmation
1
9.2 Service confirmation
Please hand this instruction manual
to your STIHL specialist dealer in
the case of maintenance operations.
He will confirm the service operations
performed in the pre-printed boxes.
1
9. Service schedule
Service performed on
Next service date
24
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