Service Schedule; Handover Confirmation; Service Confirmation - Viking MB 750 KS Gebrauchsanleitung

Fault:
Engine overheating
Possible cause:
– Oil level in engine too low
– Cooling ribs dirty
Remedy:
– Perform an engine oil change if
necessary @
– Clean cooling ribs ( 12.1)
Fault:
Poor cut, lawn turning yellow
Possible cause:
– Mowing blade is blunt or worn,
– rate of feed is too high in relation to the
cutting height
– Engine speed is too low
Remedy:
– Re-sharpen or replace mowing blade
( 12.5)
– Reduce rate of feed and/or select
correct cutting height ( 10.), (
– Set the throttle lever to the Start
position ( 11.2)
Fault:
Discharge chute blocked
Possible cause:
– Mowing blade is worn
– Mowing grass which is too long or too
wet
– Engine speed is too low
Remedy:
– Replace mowing blade (
– Adapt cutting height and mowing speed
to mowing conditions ( 10.), (
– Set the throttle lever to the Start
position ( 11.2)
0478 111 9921 A - EN
Fault:
Excessive vibration during operation
Possible cause:
– Cutting unit defective
– Mowing blade imbalance
– Engine mounting loose
Remedy:
– Check mowing blade, blade shaft and
blade fastening screws; tighten blade
fastening screws (
– Re-sharpen/replace mowing blade
( 12.8)
– Tighten engine mounting bolts

20. Service schedule

20.1 Handover confirmation

8.6)
12.5)
8.6)

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.
12.5)
Service performed on
Next service date
26
49