Adjusting The Track Width (Additional Adjustment); Adjusting The Quick-Release Axle; Adjusting The Handrims; Adjusting The Caster Wheels - Otto Bock Avantgarde 4 Instructions For Use Manual

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6.2.4 Adjusting the track width (additional adjustment)

After the mounting nuts have been loosened, the position of the quick-release axle mounting can be adjusted in or
out. This allows the distance between the drive wheel and the side panel to be continuously adjusted.

6.2.5 Adjusting the quick-release axle

The quick-release axle should be set so the wheel is correctly engaged, with no play on the axle.
1) Hold the quick-release axle by the head (wrench size: 19 mm) and by the tip (wrench size: 11 mm) with a ring
and open-ended wrench respectively.
2) Adjust the play by turning the nut on the end of the quick-release axle (see fig. 16, item 1) in or out.
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6.2.6 Adjusting the handrims

All handrims are designed for a spacing from the drive wheel of 15 mm (standard setting) and 25 mm (see fig. 17).
1) Loosen/remove the handrim screw connection from the rim.
2) Tightly screw the handrims onto the rim in the narrow or wide installation position (see fig. 18).
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6.3 Adjusting the caster wheels

INFORMATION
The adjustments described below may not be carried out on the CLT or CLT Ultra model.

6.3.1 Adjusting the caster journal angle

When the drive wheels have been adjusted for the user, the caster journal angle must be adjusted at the caster
wheel adapter.
The bolt of the caster fork in the caster wheel mounting (see fig. 26, item 1) must be perpendicular to the ground to
ensure optimum wheelchair driving characteristics. The caster wheel adapter permits adjustment of this angle in
1.5° increments.
INFORMATION: Note that the caster wheel mounting has to be perpendicular to the ground both in the
direction of travel and crosswise to the direction of travel after an angle adjustment. Therefore, always
check the perpendicular position of the caster fork bolt crosswise to the direction of travel while adjust­
ing the caster wheel journal angle. Adjust this correctly as needed.
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Avantgarde 4

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