Difficulty

Moderate

Steps

6

Time Required

Suggest a time??

Sections

2

  • Rear Wheels
  • 4 steps
  • Pulley Bearings
  • 2 steps

Flags

1

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Introduction

What you need

Step 1

              Rear Wheels
  • Loosen the two 16.74 mm motor mount hex nut screws with a 9/64" Allen wrench.
  • Do Not Remove the Screws.

Loosen the two 16.74 mm motor mount hex nut screws with a 9/64" Allen wrench.

Do Not Remove the Screws.

1024

Step 2

  • Compress the motor mount back towards the wheel.
  • While keeping the motor mount compressed, tighten one of the hex nuts that you loosened in the previous step.
  • The motor mounts are spring tensioned so it is necessary compress them to loosen the belts.

Compress the motor mount back towards the wheel.

While keeping the motor mount compressed, tighten one of the hex nuts that you loosened in the previous step.

The motor mounts are spring tensioned so it is necessary compress them to loosen the belts.

Step 3

  • Remove the axel nut with a 1/2" socket wrench

Remove the axel nut with a 1/2" socket wrench

Step 4

  • Rotate and pull counterclockwise until the wheel comes off the axle completely.
  • The front washer will come off with the wheel.
  • Remove the back washer from the axle.
  • Replacing the wheel requires the bearings to be switched into the new wheel.

Rotate and pull counterclockwise until the wheel comes off the axle completely.

The front washer will come off with the wheel.

Remove the back washer from the axle.

Replacing the wheel requires the bearings to be switched into the new wheel.

Step 5

              Pulley Bearings
  • Use one finger to pull out the pulley bearing.
  • A good technique is to go around in a circle and lift from underneath the bearing in a carving motion.

Use one finger to pull out the pulley bearing.

A good technique is to go around in a circle and lift from underneath the bearing in a carving motion.

Step 6

  • Place the new pulley bearing inside the gear hole and use two fingers to push down evenly until it slides into place.
  • The bearing should be flush with the gear

Place the new pulley bearing inside the gear hole and use two fingers to push down evenly until it slides into place.

The bearing should be flush with the gear

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

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Author

                                      with 4 other contributors 


                    Emily Imfeld

Member since: 10/06/2016

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Team

                       Cal Poly, Team 15-7, Livingston Fall 2016                        

                                                  Member of Cal Poly, Team 15-7, Livingston Fall 2016 



                    CPSU-LIVINGSTON-F16S15G7                     


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                                            6 Guides authored

Rick Gram - Jul 24, 2018

Reply

you mentioned cleaning bearings how do you go about that? (if rep[lacing not an option at moment) Also I noticed a single Large Bearing in my replacement kit, what is that and where do I replace it as I don’t see where it could be (I have a first Gen)