The Cutting Unit's Service Position - Husqvarna Rider ProFlex 21 Operator's Manual

Ground pressure
In order to achieve the best mowing result the cutting
unit should follow the ground without touching it too
heavily. Pressure is adjusted using a screw and spring
on each side of the Rider.
Adjust the cutting unit's ground pressure in the
following manner:
1. Place a set of bathroom scales under the cutting
unit's frame (on the front edge) so that the unit
rests on the scales. If necessary a block can be
placed between the frame and the scales so that
the anti-scalp rollers do not support any weight.
2. Adjust the cutting unit's ground pressure by
screwing the adjuster screws, which are located
behind the front wheels on both sides, in or out.
The ground pressure should be between 12
and 15 kg and the springs evenly tensioned.

The cutting unit's service position

In order to provide good accessibility for cleaning,
repair and servicing, the unit can be set in the service
position. The service position means that the unit is
raised and locked in the vertical position.
Placing in the service position
1. Place the unit so that it hangs on the outer hooks
by carrying out steps 1-11 under "Removing the
cutting unit" on page 52.
2. Take hold of the unit's front edge and lift it to
a vertical position. The unit locks automatically
in the vertical position.
Releasing the service position
1. Ease up the unit's edge (tilt it back), move the
handle forward and slowly lower the unit to the
horizontal position.
2. Slide the unit into its working position by carrying
out steps 4-8 under "Attaching the cutting unit" on
page 46.
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