8-5
2GX/AERO X Owner’s Manual
OM0002_Rev A_2GX/AERO X
CHAPTER 8: AXLE PLATES & CAMBER PLUGS (CENTER OF GRAVITY;
REAR SEAT HEIGHT)
Adjusting Toe-In/Toe-Out
Tools Needed:
• 3/16” Allen Wrench
• Ruler or Tape Measure
• Level
• 9/16” Torque Wrench
1. Make sure both rear wheels are equally spaced. See “Adjusting Rear Wheel Spacing/Replacing the Camber Plugs” on
pages 8-3 to 8-4
2. Make sure the rear wheels are properly inflated.
I
WARNING
Do not attempt any of the procedures in this Chapter when the chair is occupied.
If you ignore this Warning, you may fall,
tip over or lose control of the wheelchair and seriously injure yourself or others or damage the wheelchair.
3. Place the chair on all four wheels with the casters trailing toward the rear of the frame. See Figure 8-7.
4. Measure from the floor to the center of the axle (Measurement A). Be sure the tape measure/ruler is perpendicular to
the floor. See Figure 8-7.
5. Block the wheels with a heavy object so the chair can not roll forward or backward (do not use the wheel locks as this
may affect the toe-in/toe-out adjustment).
6. Measuring from the floor at the rear of each tire, mark the tire (with a felt tip pen) at the same height as Measurement A.
7. Measuring from the floor at the front of each tire, mark the tire (with a felt tip pen) at the same height as Measurement
A.
8. Measure the distance between the left and right tires at the rear reference marks made in Step 6. See Figure 8-8.
9. Measure the distance between the left and right tires at the front reference marks made in Step 7.
10. If the measurements in Steps 8 and 9 are the same (within 1/8”), no toeing adjustment is needed, and you may skip to
Step 14. If the measurements are not the same, proceed to Step 11.
11. Use the torque wrench to adjust the hex bolts that secure the camber clamps to the threaded camber mounts.
Tightening the more rearward bolt should increase the toe-in. Re-measure measurements in Step 8 and 9 to determine
if this adjustment has achieved proper toe-in/toe-out continue adjusting these hex bolts until measurements in Step 8
and 9 are equal ( within 1/8”). Further, if this adjustment is successful, no toeing adjustment is necessary, you may skip
to Step 14, if not, proceed to Step 12.
12. Loosen the Allen screws in each camber clamp that secures the camber plug in place. See “Adjusting Rear Wheel
Spacing/Replacing the Camber Plugs” or pages 8-3 to 8-4.
13. If the measurement in Step 9 is less than the measurement in Step 8, rotate both camber plugs rearward to toe-out the
rear wheels. If the measurement in Step 9 is greater than the measurement in Step 8, rotate both camber plugs forward
to toe-in the wheels. Continue adjusting the axle sleeves until these two measurements are equal.
14. Measure the distance from the frame to the inside of the tire at the front of each tire on both sides of the frame. See
Figure 8-9.
15. If the measurement in Step 14 is the same on both sides of the chair, proceed to Step 17.
16. If the measurement in Step 14 is not the same on both sides of the chair, you will need to rotate the camber plugs in the
camber clamps as necessary until the measurement is equal on both sides of the chair. Make sure when you rotate the
camber plugs, you do not affect the rear wheel spacing. See “Adjusting Rear Wheel Spacing/Replacing the Camber
Plugs” on pages 8-3 to 8-4.
17. After adjusting the camber plugs in Step 15, it will be necessary to recheck the toe-in/toe-out. See Steps 6 through 10
above.
18. Securely tighten the Allen screws in the camber clamps. See Figure 8-5.
19. Adjust wheel locks as needed.
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