Viking LB 540 - Operational Issues and Unit Adjustments

0478 670 9903 A - EN
17
DEEN
FR
NL
IT
ESPTNOSV
FI
DAPL
Fault Possible cause
Remedy
- Engine overheating - Dirty cooling ribs
- Oil level in engine too low
- Clean cooling ribs
- Top up engine oil
- Excessive vibration during
operation
- Scarifying unit defective
- Engine mounting loose
- Check blades, blade shaft,
nuts, washers, spacer
bushings and bearings of
scarifying unit, repair if
necessary
- Tighten engine fastening
bolts
- Poor working results
- Blade set too deep (bare
patches, high grass content
in scarified material)
- Blade set too shallow (little or
no lawn thatch is removed)
- Blades have reached wear
limit
- V-belt defective, worn or
insufficiently tensioned
- Reduce working depth
- Increase working depth
- Replace blades
- Replace or tension V-belt as
required
- Blades do not run
- V-belt defective
- Scarifying unit defective
- Replace V-belt
- Repair scarifying unit
Page
Illustration
12
9, &
12
6
12, 

8
8
12, 

5
5

12, 
- Scarifying unit cannot be
lowered or raised
- Cable defective or detached
- Replace or repair cable

- Working depth cannot be set
- Scarifying unit in working
position
- Rotary handle or adjusting
element defective
- Bring scarifying unit into
transport position
- Repair rotary handle or
adjusting element
11

11
& see engine instruction manual
 If necessary, contact a specialist dealer; VIKING recommends VIKING specialist dealers.
SLSK
HU