Adjusting The Unit's Parallelism And Cutting Height; Parallelism; Cutting Height - Husqvarna Rider ProFlex 21 II Workshop Manual

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Adjusting the Unit's Parallelism
and Cutting Height
When a new cutting unit is attached, you
need to adjust the parallelism and cutting
height.
Starting position:
1. Check the air pressure in the tyres
60 kPa/0.6 bar/8.5 PSI.
2. The cutting unit shall be lowered onto
a flat surface.
3. The height adjustment lever shall be set
to the lowest cutting height.

Parallelism

Always start by adjusting the 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 /1/8"
higher than its front edge.
4. Check the measurement.
5. Then tighten the two nuts on the strut.

Cutting Height

1. Loosen the nut on the height adjustment
strut.
2. Adjust so that the distance between the
stop for the lowest height setting and the
protective frame is 5 mm/3/16".
3. Tighten the nut.
4. Recheck that the parallelism has not
changed. If so, the parallelism must be
readjusted.
5. Check and adjust if necessary the
cutting unit's ground pressure as
described in the next section.
6. Attach the nose cover.
IMPORTANT INFORMATION
When changing the cutting unit, you must
readjust the parallelism and cutting height.
62
English-
REPAIR INSTRUCTIONS
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Adjusting the parallelism
Adjusting the cutting height
8009-027
8009-026
8009-028
8009-029