Installing/Adjusting Hub Brakes - Invacare Action3 Junior Service Manual

After ANY adjustments, repair or service and BEFORE use, make sure all attaching
hardware is tightened securely - otherwise injury or damage may occur.
Always operate the two brakes simultaneously and do not take slopes exceeding
5° to ensure perfect control of the wheelchair steering.
Hub brakes are running bakes only, always use the manual brakes to secure the
wheelchair during short or long stops.
Ensure both hub brakes are adjusted to the same mounting hole.

Installing/Adjusting Hub Brakes

NOTE: After adjusting or replacing the hub brake assemblies, ensure that the tires are inflated to
the recommended BAR, KPa, P.S.I on the side wall of the tire.
Installing Hub Brakes
NOTE: For this procedure, refer to FIGURE 7.4, next page.
1. Remove the rear wheel. Refer to Removing/Installing Rear Wheels paragraph.
2. Remove the locknut and washer that secures the axle bracket to the axle plate.
3. Thread a brake shoe support on a QR axle bush support then add spacer HB.
4. Present the set in front of the axle plate outside of the chair, by directing the brake
shoe support following the plan opposite then insert the anti-rotating spacer between
the pin of the brake shoes support and the hole of the axle support.
5. Align the hub brake set with one of the five adjustment holes on the axle plate.
6. Secure the hub brake set to the axle plate, at the desired height, with the locknut
and washer.
QR Axle
W A R N I N G
FIGURE 7.4
Installing Hub Brakes
SECTION 7—WHEEL BRAKES
Brake Shoes Support
QR Axle Bush
3 9
Locknut & Washer
Spacer HB
Anti-Rotating Spacer