Replacing Axle Tube - Invacare A4 Owner's Manual

2. Position the camber insert to the desired position. Make sure there are no more than 3‐inches (12 indexing marks
showing) of the camber inserts outside of the axle tube.
3. Slide the indexing ring on the camber insert until it is flush with the camber clamp.
NOTE: Before using the wheelchair, make sure both camber inserts are set at the same indexing mark. This will make sure the distance
between the rear wheel and the wheelchair is the same on both sides.
Quick-Release Levers - Make sure the quick-release levers are in the closed position before using
the wheelchair, otherwise personal injury or damage to the wheelchair may occur.
Standard and Suspension Camber Clamps - Make sure the hex screws are securely tightened
BEFORE using the wheelchair, otherwise personal injury or damage to the wheelchair may
occur.
DO NOT close the quick-release levers or tighten the socket screws or hex screws without cam-
ber inserts in the axle tube. Damage to the axle tube will occur.
4. Close the camber clamp.Refer to Opening/Closing Camber Clamps on page 27.
5. Repeat STEPS 1‐4 for the opposite side of the wheelchair.
Indexing Marks

Replacing Axle Tube

NOTE: For this procedure, refer to FIGURE 5.12 on page 36.
NOTE: There is no need to remove the two camber clamps when replacing the axle tube.
1. Note the position of the camber inserts so they can be installed to the original position in the new axle tube.
2. Open the camber clamps. Refer to Opening/Closing Camber Clamps on page 27.
3. Remove the two rear wheels and camber inserts positioned in the axle tube.
4. Loosen, but do not remove the two set screws that secure the toe adjustment rings to the axle tube.
5. Pull the existing axle tube through one of the camber clamps.
6. Remove the toe adjustment rings from the existing axle tube.
7. Pull the existing axle tube through the other camber clamp and remove from the wheelchair.
8. Slide the new axle tube through one of the camber clamps. Make sure the notches in the axle tube are towards the rear
of the wheelchair and the slots in the axle tube are facing up.
9. Install the toe adjustment rings onto the new axle tube. Make sure the stops on the toe adjustment rings are facing
towards the outside of the wheelchair.
NOTE: DO NOT tighten the set screws that secure the toe adjustment rings to the axle tube at this time.
Part No 1110545
WARNING
CAUTION
Camber Insert
FIGURE 5.11 Adjusting Wheelbase Width
Camber Insert
Indexing Rings
35
SECTION 5—FRAME
Axle Tube
Camber Clamp
A4 Owner's Manual