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Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement

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The rear wheel axle holds the rear wheels to the wheelchair and allows smooth operation of the wheelchair.

Before maintaining the Rear Wheel Axle, familiarize yourself with tools you will be using with the Free Wheelchair Mission Tools Maintenance Guide.

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  1. Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement, Rear Wheel Axle: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement, Rear Wheel Axle: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Attach the 19mm socket wrench to the head of the bolt in the middle of the wheel

    • With the other hand use the 19mm crescent wrench to hold the nut in place

    • While holding the 19mm crescent wrench in place, use socket wrench to unscrew the bolt

    • The Free Wheelchair Mission Multi-Purpose Tool can be used in place of the 19mm socket wrench

    • Remove the wheel from the axle

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  2. Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Unscrew the nut holding the bolt and wheel together using your hands.

    • It might be necessary to loosen the nut with a 19 mm crescent wrench and the multi purpose tool

    • Repeat step on other wheel

    • Make sure to keep all corresponding nuts and bolts together to prevent mixup when reassembling the axle

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  4. Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Locate the two baseplates on the back of the wheelchair holding the axle in place

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  5. Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Using the pliers to hold the bolt in place, use the 10mm wrench to remove one bolt from the baseplate.

    • Repeat above step on second bolt

    • Repeat the process on the other baseplate, once one baseplate is loose from the chair and frame,

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  6. Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Free Wheelchair Mission GEN 1 Rear Wheel Axle Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Once both baseplates are loosened from the chair, pull the axle off from the wheelchair

    • The axle should come off easily

    • Slide the baseplates off of the axle

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To reassemble the axle to the wheelchair, follow these instructions in reverse order.

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Mike Sevilla

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Cal Poly, Team 14-7, Maness Spring 2013 crwdns2935289:0Cal Poly, Team 14-7, Maness Spring 2013crwdne2935289:0

CPSU-MANESS-S13S14G7

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