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MAINTENANCE
Adjusting the cutting height, parallelism
and ground pressure
When a new cutting unit is attached, you need to adjust
the cutting height, parallelism and ground pressure.
Adjustment must be made in the stated order.
Starting position:
• Check the air pressure in the tyres 60 kPa / 0.6 bar /
9 PSI.
• The cutting unit shall be lowered onto a flat surface.
• The height adjustment lever shall be set to the
lowest cutting height.
Cutting height
1. Loosen the nut on the height adjustment strut.
2. Measure the distance between the ground and the
front edges of the cover.
The distance between front edge and the ground
must be 35 mm.
3. Tighten the nut.
4. Check and align the parallelism if necessary.
5. Check and adjust the cutting unit’s ground
pressure if necessary according to “Ground
pressure” on page 47.
6. Fit the front cover.
Parallelism
1. Loosen the two nuts on the strut.
2. Measure the distance between the ground and the
front and back edges of the unit’s cover.
3. Place a spanner over the bevel in the middle of the
strut and tighten so that the cutting unit’s rear edge
is 2-4 mm higher than its front.
4. Check the measurement.
5. Then tighten the two nuts on the strut.
8009-028 8009-556
IMPORTANT INFORMATION
When changing the cutting unit, you must
readjust the parallelism and cutting height.
8009-027
8009-026