Question about Tilite ZRa Titanium Wheelchair
The quick release axles on this chair have an adjusting nut on the outside end to adjust the length. The nut may have a disc cover on it for decoration. To adjust the axle length hold the end with the two balls on it with an adjustable crescent wrench set for the axle diameter and at the location of the balls. This way when you adjust the nut, the axle will turn until the balls contact the crescent wrench and the axle will stop turning. Turning the nut counterclockwise will lengthen the axle. All the nuts require a 3/4" wrench. Once you have made the axle longer you may need to put a washer between the hub and the axle receiver to keep the hub from rubbing.
In my experience, the hub may be rubbing because the camber tube is not even where the frame connects/clamps to it. Loosen the camber tube mounting bolts or clamps. Measure both sides and correct by marking the original camber tube position first, then adjust left to right for even spacing. Only adjust left to right do not rotate the camber tube since that will change the camber (unless you have zero camber). If you lengthen the axles this way check that the new adjustment allows the axle to lock in the camber tube. Tug on the wheel to make sure it is locked in the tube before getting in to ride. Hope this helps.
Posted on Nov 09, 2010
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Posted on Jan 02, 2017
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