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11 WHEELS
Part No 1171880 71 Invacare
®
Top End Reveal
™
Wheelchair
11.6 Adjusting Wheelbase Length [Adjusting Center of Gravity (COG)]
Determining Wheelbase Length
1. Measure the distance between the center of the front caster and
the center of the rear wheel to determine the wheelbase length.
FIGURE6 Wheelbase Length
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WARNING
ALWAYS perform this procedure in the presence of an assistant. The position of the footrest, camber tube, seat angle,
back angle, the tautness of the back upholstery as well as the user's condition are directly related to the wheelchairs
stability. Any change to one or any combination of the six may cause the wheelchair to decrease in stability. Use EXTREME
caution when using a new seating position. The addition of anti-tippers may be required.
Rear Wheel
Wheelbase Length
Front
Caster