Stihl RM 3.1 RT Manual De Instrucciones página 48

– Water in fuel tank and carburettor;
carburettor blocked.
– Fuel tank contaminated.
– Air filter dirty.
– Spark plug dirty.
Remedy:
– Clean lawn mower housing (detach
spark plug socket!). (
– Select a higher cutting height or reduce
the pushing speed. ( 8.4)
– Empty fuel tank, clean fuel line and
carburettor.
– Clean fuel tank.
– Clean air filter.
– Clean spark plug.
Fault:
Engine overheating.
Possible cause:
– Oil level in engine too low.
– Cooling ribs dirty.
Remedy:
– Change engine oil. ( 7.4)
– Clean cooling ribs. ( 12.1)
Fault:
Excessive vibration during operation.
Possible cause:
– Cutting unit defective.
– Engine mounting loose.
Remedy:
– Check mowing blade, blade shaft and
blade fastening (blade fastening screw
and retaining washer), and repair if
necessary.
– Tighten engine mounting bolts.
46
Fault:
Poor cut, lawn turning yellow
Possible cause:
– Mowing blade is blunt or worn.
– Mowing speed is too high in relation to
cutting height.
12.1)
– Housing is not parallel to ground.
Remedy:
– Sharpen or replace mowing blade.
(
– Select a higher cutting height or reduce
the pushing speed. (
– Adjust front wheel cutting height
adjustment to rear wheel cutting height
adjustment. (
21. Service schedule
21.1 Handover confirmation
12.2), ( 12.3),
8.4)
8.6)
21.2 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.
Service performed on
Next service date
0478 111 9954 A - EN
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