Husqvarna Rider Pro 18 AWD Workshop Manual page 35

The cutting unit's lifting device on ProFlex
The cutting height is adjusted using the lever that
is attached to the shaft with a joint and a spring.
The same shaft holds the adjuster for the cutting
height range. See "Adjusting the Cutting Height
Range" on page 96. Two connecting rods, via a
three-point link, activate the protective frame
around the cutting unit and raise or lower the
cutting unit cover within the cutting height range.
The horizontal connecting rod is housed in an
oblong groove in the equipment frame on ProFlex.
There are two struts on the top of the cutting unit
cover. The upper one is coupled between the
Cutting height adjustment Pro 18
DESIGN AND FUNCTION
horizontal connecting rod and the tongue of the
forward perpendicular shaft on the top of the
cutting unit cover. When the shaft is rotated, it will
raise or lower the cutting unit cover in relation to
the protective frame. The lower strut (the parallel
strut) is coupled between the tongues on the
forward and rear perpendicular shafts, so that the
rear shaft is also rotated in the same way as the
forward shaft. There is an adjuster on the parallel
strut to adjust the cutting unit cover's parallelism
with the ground. See "Parallelism" on page 95 for
adjustment instructions.
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