Adjusting Patient Operated Wheel Locks - Invacare Tracer IV Heavy Duty User Manual

Adjusting Patient Operated Wheel Locks

WARNING
DO NOT attempt to stop a moving wheelchair with wheel locks. Wheel locks are not brakes.
If wheel locks DO NOT hold the occupied wheelchair in place, contact a qualified technician; otherwise injury or damage
may occur.
For this procedure, refer to FIGURE 4 on page 56.

If wheels are pneumatic, before adjusting the wheel lock assemblies, ensure that the tires are inflated to the recommended
psi on the side wall of tire.
1. Ensure the wheel lock is in the open (unlocked) position.
2. Loosen the bolt and locknut that secure the wheel lock assembly to the wheelchair frame.
3. Reposition the wheel lock so that when engaged, the wheel lock shoe embeds the tire
wheelchair.
4. Securely tighten the bolt and locknut securing the wheel lock to the wheelchair frame.
5. Engage the wheel lock.
6. Measure the distance the wheel lock is embedded into the tire as shown in Detail "A".

Any wheel lock adjustment should embed the wheel lock shoe at least
when engaged.
7. Repeat the STEPS 1-6 until the wheel lock shoe embeds the tire 1/8-inch (3/16-inch for pneumatic tires) and holds the wheelchair.
1
8. If the measurement of /
to Installing Wheel Lock Shoe Extensions on page 56.
9. Repeat STEPS 1-8 for the opposite wheel lock.
10. Engage both wheel locks and ensure the occupied wheelchair is held in place when pushed.
Part No. 1110558
3
inch ( / inch for pneumatic tires) cannot be achieved, it may be necessary to install wheel lock shoe extensions. Refer
8 16
1 3
/ inch (
8
1 3
/ inch (
8
55
Invacare® Tracer IV®Heavy Duty/Extra Wide Wheelchair
Anti-tippers/Wheel Locks
/ inch for pneumatic tires) and holds the
16
/ inch for pneumatic tires) into the tire
16