PROCEDURE 7

REAR WHEELS

R E A R

W

H

E

E

L

S

REPAIRING/REPLACING PNEUMATIC CASTER OR REAR WHEEL TIRE/TUBE

WARNING

Replacement of a pneumatic tire or tube MUST be performed by a qualified tech- nician.

CAUTION

As with any vehicle, the wheels and tires should be checked periodically for cracks and wear, and should be replaced.

REPLACING/ADJUSTING THE WHEEL LOCK (FIGURE 6)

NOTE: Before adjusting or replacing the High/ Undermount wheel locks, ensure that the tires are inflated to the recommended psi on the sidewall of the tire.

Replacing the High/Undermount Wheel Lock

1.Remove the hex screws and remove the existing wheel lock from the wheelchair.

2.Install the new wheel lock and secure with the exist- ing hex screws. Torque to 110-120 in./lbs.

Adjusting the High/Undermount Wheel Lock

HIGH MOUNT WHEEL LOCK

Hex Screws

High Mount Wheel Lock

UNDER MOUNT WHEEL LOCK

Hex Screws

Under Mount

Wheel Lock

1. Engage the wheel locks.

NOTE: Any wheel lock adjustment should embed the wheel lock shoe at least 3/16-inch into the pneumatic tire (1/8-inch for urethane wheels) when engaged.

2.If necessary, loosen the hex screw(s) that secure the High/Undermount wheel locks to the wheelchair frame and adjust position of the wheel lock until the 3/16- inch (1/8-inch for urethane wheels) measurement is obtained for correct wheel lock adjustment.

3.Torque the hex screw(s) to 110-120 in./lbs.

4.Engage the wheel locks and push against the wheel- chair and determine if the wheel locks engage the wheel locks enough to hold the wheelchair.

5.Repeat the above procedures until the wheel locks hold the wheelchair.

WHEEL LOCK SHOE ENGAGEMENT

3/16-inch3/16-inch

(1/8-inch)(1/8-inch)

High Mount

Under

Mount

Wheel Lock

Wheel

Shoe

Lock Shoe

Tire

Tire

 

FIGURE 6 - REPLACING/ADJUSTING THE

WHEEL LOCK

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Image 28
Invacare 1098330, 60106X144, 1101100 REPLACING/ADJUSTING the Wheel Lock Figure, Replacing the High/Undermount Wheel Lock