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This guide will show you how to remove a punctured tube and replace it.

Read through the Free Wheelchair Mission GEN 1 Tools guide guide to familiarize yourself with all the tools necessary.

  1. Unscrew the axle bolt Using the Free Wheelchair Mission Custom Multi-Purpose Tool on the bolt head and a 19mm crescent wrench on the nut.
    • Unscrew the axle bolt Using the Free Wheelchair Mission Custom Multi-Purpose Tool on the bolt head and a 19mm crescent wrench on the nut.

    • Remove the wheel and set it aside.

      • You can also use a 19mm socket instead of the multitool.

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  2. Unscrew the cap of the tube stem and set it aside.
    • Unscrew the cap of the tube stem and set it aside.

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    • Release any air that remains by pressing down on the piston in the head of the stem.

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    • Take a tire lever and fit it under the edge of the tire.

    • Pop the edge of the tire out of the rim of the wheel by pushing down on the lever.

    • Clip the opposite end of the lever onto the closest spoke.

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    • Take another tire lever and repeat step 4 roughly 2.5 inches away from where you are holding the other tire lever.

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    • Holding one tire lever in place, slide the other lever around the rest of the wheel until the side of the tire is completely free of the rim.

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    • Push the stem of the tube back through the hole in the rim it comes out of.

    • Reach under the tire and pull the tube out.

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    • Unfold the new tube and unscrew the cap of the stem.

      • Set the cap aside someplace safe. You will need to put it back on later.

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    • Fit the stem of the tube firmly into the hole in the pump that comes on the frame.

    • Lift the lever on the head of the pump up.

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    • Pull the handle of the piston at the bottom of the pump out.

    • Pump a small amount of air into the tube so that it holds its basic shape.

      • To pump air into the tube pull the piston out then push it back in.

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    • Push the stem of the tube through the hole in the rim so that the head is on the outside.

    • Push the rest of the tube under the tire so it sits evenly on the rim.

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    • Push the tire back onto the rim working your hands around the wheel.

    • Pump air into the tube until the tire is firm and can support you weight.

    • Screw the cap back onto the head of the tube stem.

    • If you have a pressure gauge it should read around 40 psi.

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    • Put the wheel back on the axle and screw in the bolt using the multitool or 19mm socket and 19mm crescent wrench.

      • Make sure the handle faces out.

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Bitiş Çizgisi

Bir başkası bu kılavuzu tamamladı.

Andrew Blocher

Üyelik tarihi: 19-04-2013

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Cal Poly, Team 14-7, Maness Spring 2013 Cal Poly, Team 14-7, Maness Spring 2013 üyesi

CPSU-MANESS-S13S14G7

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