Handover Confirmation; Service Confirmation - Viking MB 4 R Manuel D'utilisation

– Spark plug dirty.
Remedy:
– Clean lawn mower housing (detach
spark plug socket!). (
– Select a higher cutting height or reduce
the pushing speed. ( 8.5)
– 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. ( 7.6)
– 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.
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Fault (MB 4 RT, MB 4 RV, MB 4 RTP):
No drive when self-propulsion lever is
actuated.
12.1)
Possible cause:
– Self-propulsion cable damaged
(e.g. kinked)
Remedy:
– Replace cable
Fault:
Poor cut, lawn turning yellow
Possible cause:
– Mowing blade is blunt or worn,
Remedy:
– Sharpen or replace the mowing blade
(
20. Service schedule

20.1 Handover confirmation

12.3), ( 12.4),

20.2 Service confirmation

Please hand this instruction manual
to your VIKING specialist dealer in
the case of maintenance work.
He will confirm the service operations
performed in the pre-printed boxes.
Service performed on
Next service date
0478 111 9929 B - EN
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