Adjusting The Handrims; Adjusting The Caster Wheels; Adjusting The Caster Journal Angle - Otto Bock Zenit Instructions For Use Manual

6.2.6 Adjusting the handrims

INFORMATION
The adjustments described below may also be carried out the same way on the CLT model (not illustrated).
INFORMATION
This section does not apply to standard wheels.
All handrims are designed for a spacing from the drive wheel of 15 mm (standard setting) and 25 mm.
1) Loosen/remove the handrim screw connection from the rim (see fig. 22).
2) Tightly screw the handrims onto the rim in narrow or wide installation position.
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6.3 Adjusting the caster wheels

6.3.1 Adjusting the caster journal angle

INFORMATION
The adjustments described below may not be carried out on the CLT or CLT Ultra model.
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. 23, 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.
By moving the tenon jointing wheel on the caster wheel adapter, the caster wheel journal angle can be corrected in
1.5° increments starting from the zero position (see fig. 24) (scale value 1 corresponds to 1.5°, scale value 2 cor­
responds to 3° etc.; see fig. 25):
• Long marking line (see fig. 25): settings in the range of 0 to ±10.5°
• Short marking lines (see fig. 26): settings in the extended range from ±12°
INFORMATION
The markings that are visible when looking at the wheelchair or caster wheel adapter from the front are relevant.
The setting in the range up to ±10.5° (long marking line) is shown in the following.
1) Loosen the Allen head screw on the caster wheel adapter (see fig. 27, item 1) and remove the cover.
2) Loosen the mounting screw for the caster wheel journal angle (see fig. 28, item 1) until the tenon jointing wheel
(see fig. 28, item 2) is released from the retainer on one side and moves freely on one side (see fig. 29).
CAUTION! A thread locking compound (Tuflok blue) on the mounting screw prevents unintention­
al/independent loosening. Note that the mounting screw has to be replaced or secured with Loctite
(medium strength) after the second time it is loosened.
3) Set the expected correct angle (the long marking line on the retainer is applicable) and press the tenon jointing
wheel on one side back into the retainer.
4) Release the other side of the tenon jointing wheel from the retainer and turn the caster wheel adapter until the
long marking line also indicates the same scale position on the tenon jointing wheel (see fig. 30).
Zenit
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Settings
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