Difficulty

Moderate

Steps

12

Time Required

                          15 - 30 minutes

Sections

1

  • Armature
  • 12 steps

Flags

0

  • BackDremel MultiPro 395

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Introduction

What you need

Step 1

              Remove the Blue caps
  • Remove the blue caps located on either side of the MultiPro, using a 3 mm flathead screwdriver.

Remove the blue caps located on either side of the MultiPro, using a 3 mm flathead screwdriver.

1024

Step 2

              Remove the carbon brushes
  • Carefully remove the carbon brushes attached at the end of the springs by gently pulling on the springs using your hands.

Carefully remove the carbon brushes attached at the end of the springs by gently pulling on the springs using your hands.

Step 3

              Removing the Hanger
  • Pull one side of the hanger up and then pull away from the Multipro until the other side can be pulled out.

Pull one side of the hanger up and then pull away from the Multipro until the other side can be pulled out.

Step 4

              Remove the screws in the casing
  • Remove the 4 screws located on the bottom of the Multipro with a T15 screwdriver.

Remove the 4 screws located on the bottom of the Multipro with a T15 screwdriver.

Step 5

              Removing the chuck cap
  • Hold down the collet lock, remove the chuck cap from the top of the Multipro by screwing counterclockwise.

Hold down the collet lock, remove the chuck cap from the top of the Multipro by screwing counterclockwise.

Step 6

              Removing the black housing cap
  • Remove the black housing cap from the Multipro located directly below the chuck cap.

Remove the black housing cap from the Multipro located directly below the chuck cap.

Step 7

              Removing the outer casing
  • Pull the bottom side of the casing up to remove it.

Pull the bottom side of the casing up to remove it.

Step 8

              Removing the motorshaft
  • Gently lift the motor shaft out of the Multipro.

Gently lift the motor shaft out of the Multipro.

Step 9

              Removing the rubber ring
  • Remove the rubber ring from the bottom of the armature.

Remove the rubber ring from the bottom of the armature.

Step 10

              Removing the on/off switch
  • Pull the on/off switch off of the 120V field, paying careful attention to the prongs on the on/off switch.
  • For reassembly, make sure the prongs are touching the metal connectors on the bottom of the 120V field

Pull the on/off switch off of the 120V field, paying careful attention to the prongs on the on/off switch.

For reassembly, make sure the prongs are touching the metal connectors on the bottom of the 120V field

Step 11

              Removing the armature
  • Carefully slide the armature out of the 120V field.

Carefully slide the armature out of the 120V field.

Step 12

              Inserting new armature
  • Carefully slide the new armature back into the 120V field.

Carefully slide the new armature back into the 120V field.

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

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                                                                                      6 other people completed this guide.

Author

                                      with 2 other contributors 


                    Cheyenne

Member since: 09/17/2014

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Team

                       University of Kentucky Louisville, Team 1-5, Mathis Fall 2014                        

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                                            4 Guides authored

Johnny Reb - Jan 22, 2017

Reply

This part does not seem to be my problem the only thing I have left on the shaft is the copper coil the fan and whatever the part above the fan it spins freely around and it seems to be set on a device that allows it to tilt. I am struggling with this, please point me in the right direction of the removal of the copper core coil…. There has got to be an easier way to remove this.

mycle85719 - Aug 26, 2017

Reply

The article does not mention why an armature needs to be replaced. So why is it necessary to replace an armature? If there is no obviously visible problem, what could be wrong with it?

tiagoraro - Sep 30, 2018

Reply

very good article, congratulations for the content

comodemorarpragozar

philight - Aug 13, 2019

Reply

My problem is with the Dremel is making a grinding noise. May be bearings? Good article. Love I fixit.