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26 www.pridemobility.com Rival
ANTI-TIP
WHEEL
IV. COMFORT ADJUSTMENTS
Figure 15. Anti-Tip Wheel Assembly
ANTI-TIP WHEEL
BRACKET
BOLTS
Anti-Tip Wheels
The anti-tip wheels are designed to give your power chair
increased stability on rough surfaces. The anti-tip wheels are
preset at the factory for smooth surfaces or indoor use only. If
you plan on using your power chair on rough surfaces, it may
be necessary to adjust the anti-tip wheels to better suit your
needs. The anti-tip wheels may need adjustment if either of the
following occur:
When accelerating, your power chair tips backward
excessively.
The anti-tip wheels constantly rub the ground.
WARNING! Consult your Quantum Rehab
Provider before attempting to change the anti-
tip wheel height! Changing the anti-tip wheel
height affects handling under deceleration!
WARNING! The higher you raise the anti-tip
wheels, the more you increase your power
chair’s tendency to tilt backward when
accelerating. You can compensate for this by
having your Quantum Rehab Provider make a
small adjustment to the pre-programmed
acceleration setting in the controller or by
adjusting the seat assembly.
WARNING! The anti-tip wheels may cause
trouble when ascending or descending a curb if
they are not adjusted correctly. Contact your
Quantum Rehab Provider for more information.
To adjust the anti-tip wheels:
1. Remove both bolts from the anti-tip wheel bracket. See
figure 15.
2. Raise or lower the anti-tip wheel in 1,25-cm (0,5-in.)
increments by aligning the appropriate adjustment holes.
See figure 15.
3. Reinstall and tighten both bolts.
4. Raise or lower the other anti-tip wheel so that it is at the
same height.
PROHIBITED! Do not remove the anti-tip
wheels.
NOTE: Each drive tire must be inflated to the the psi/bar/kPa
air pressure rating indicated on each tire in order for the anti-
tip wheels to be properly adjusted. The user must also be
seated in the power chair in order to properly adjust the anti-
tip wheels.