Windsor Willow Crankshaft Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          5 minutes

Sections

Chain
4 steps
Crankshaft
8 steps

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Introduction

What you need

Step 1

              Chain

The chain connects the crank arm to the gear cluster on the back wheel.

The chain connects the crank arm to the gear cluster on the back wheel.

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Step 2

On the chain, locate the master link. It is a lighter gray than the other links of the chain. This is how you can break the chain for easier removal.

On the chain, locate the master link. It is a lighter gray than the other links of the chain. This is how you can break the chain for easier removal.

Step 3

To separate the Master Link, hold the left side of the link in your left hand and the link to the right in your right hand. Push the two links together to enable the release. Pull the links apart, one hand moving towards yourself and the other away from you. This will separate the links of the chain.

To separate the Master Link, hold the left side of the link in your left hand and the link to the right in your right hand. Push the two links together to enable the release. Pull the links apart, one hand moving towards yourself and the other away from you. This will separate the links of the chain.

Step 4

Once you have separated the links of the chain, pull down on the right side of the chain as shown. Pull until the chain has been fully removed from the gears. Place the chain on a paper towel or cloth to prevent getting grease anywhere.

Once you have separated the links of the chain, pull down on the right side of the chain as shown. Pull until the chain has been fully removed from the gears. Place the chain on a paper towel or cloth to prevent getting grease anywhere.

Step 5

              Crankshaft

The crank arms can be located between the front and rear tire, directly below the seat.

The crank arms can be located between the front and rear tire, directly below the seat.

Step 6

To remove the crank arm, place a proper fitting Allen wrench into the slot at the center of the crank arm as shown. Turn the wrench counterclockwise to loosen the bolt that keeps the crank arm on the bike until it spins easily. Hold the other crank arm in place to ensure that the bolt loosens instead of spinning the crank arm.

To remove the crank arm, place a proper fitting Allen wrench into the slot at the center of the crank arm as shown. Turn the wrench counterclockwise to loosen the bolt that keeps the crank arm on the bike until it spins easily. Hold the other crank arm in place to ensure that the bolt loosens instead of spinning the crank arm.

Step 7

Once the bolt spins easily, keep the Allen wrench in the bolt slot and turn the crank arms to speed up the removal process.

Once the bolt spins easily, keep the Allen wrench in the bolt slot and turn the crank arms to speed up the removal process.

Step 8

Remove the bolt from the crank arm. The crank arm will remain in place. Do not try to pull off the crank arm, as a special tool is required for this task.

Remove the bolt from the crank arm. The crank arm will remain in place. Do not try to pull off the crank arm, as a special tool is required for this task.

Step 9

Repeat steps 2-4 on the other crank arm. Remember, do not try to pull off the crank arms.

Repeat steps 2-4 on the other crank arm. Remember, do not try to pull off the crank arms.

Step 10

Obtain a crank puller tool. This tool has two parts, a movable threaded insert and the push bolt. Screw the crank puller into the hole left by the bolt.
Be sure to be gentle and thread the first few turns by hand as to not accidentally cross thread your crankarms.

Obtain a crank puller tool. This tool has two parts, a movable threaded insert and the push bolt. Screw the crank puller into the hole left by the bolt.

Be sure to be gentle and thread the first few turns by hand as to not accidentally cross thread your crankarms.

Step 11

Once the movable piece is tightened firmly inside the hole, turn the tool clockwise. This will pull the crank arm away from the bike and remove it completely.

Once the movable piece is tightened firmly inside the hole, turn the tool clockwise. This will pull the crank arm away from the bike and remove it completely.

Step 12

Repeat steps 6-7 with the remaining crank arm. Both arms have been successfully removed.

Repeat steps 6-7 with the remaining crank arm. Both arms have been successfully removed.

To reassemble your device, follow these instructions in reverse order.

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Author

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                    Stuart Ross

Member since: 01/24/2017

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Team

                       Cal Poly, Team 10-6, Banghart Winter 2017                        

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Introduction#

What you need#

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Introduction

What you need

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