Viking MB 2 R Manuel D'utilisation page 45

Fault:
Engine overheating.
Possible cause:
– Oil level in engine too low.
– Cooling ribs dirty.
Remedy:
– Change engine oil. ( 12.5)
– 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.
Fault:
Poor cut, lawn turning yellow.
Possible cause:
– Mowing blade is blunt or worn.
– Rate of feed is too high in relation to
cutting height.
– Housing is not parallel to ground.
Remedy:
– Sharpen or replace mowing blade
( 12.3), ( 12.4).
– Reduce rate of feed and/or select
correct cutting height.
– Set front and rear cutting height to
same cutting level. ( 8.4)
0478 111 9926 C - EN
Fault (MB 2 RT):
No drive when self-propulsion lever is
actuated.
Possible cause:
– Self-propulsion cable defective (e.g.
kinked).
Remedy:
– Replace cable.
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