All Miele Vacuum Cleaners Motor Bearing Replacement Two Motor Bearings Replacement Repair Guide

Difficulty

Moderate

Steps

18

Time Required

                          30 minutes            

Sections

1

• Two motor bearings
• 18 steps

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Introduction

Step 1

              Start to remove body, not a murder               

• Remove all hoses have then undo the Phillips screws that hold plastic body in place 5 or 6 usually

Remove all hoses have then undo the Phillips screws that hold plastic body in place 5 or 6 usually

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Step 2

              Remove switch box               

• Remove one Phillips screw holding switch assembly and pull off switch bracket

Remove one Phillips screw holding switch assembly and pull off switch bracket

Step 3

              Undo power lead clip               

• unhook motor connecting wire loop from support bracket, lifts out

unhook motor connecting wire loop from support bracket, lifts out

Step 4

              Lift out motor               

• Lift out motor it helps if you Mark top of motor for reassembly later. Remove rubber seal at front, note how it fits for later

Lift out motor it helps if you Mark top of motor for reassembly later. Remove rubber seal at front, note how it fits for later

Step 5

              Remove fan cowling               

• You are going to remove outer fan cowling

You are going to remove outer fan cowling

Step 6

              Cowling off               

• This is done by pulling it off with immense strength of by gently tapping with screw driver blade on edge of cover

This is done by pulling it off with immense strength of by gently tapping with screw driver blade on edge of cover

Step 7

              Remove fan blade               

• Remove fan blade NOTE THIS IS A LEFT HAND THREAD SO TURN IT THE OPPOSITE WAY TO NORMAL TO UNDO I.E. CLOCKWISE. Hold the fan blade wiith a cloth and use 13mms ring spanner or similar

Remove fan blade NOTE THIS IS A LEFT HAND THREAD SO TURN IT THE OPPOSITE WAY TO NORMAL TO UNDO I.E. CLOCKWISE. Hold the fan blade wiith a cloth and use 13mms ring spanner or similar

Step 8

              Remove spacer washer               

• Remove spacer washer, note how it fits

Remove spacer washer, note how it fits

Step 9

              Remove plastic plate 1               

• Now remove star screws to remove plastic plate

Now remove star screws to remove plastic plate

Step 10

              Remove plastic plate 2               

• Should look like this

Should look like this

Step 11

              Remove electric brushes               

• Remove motor brushes at 12 and 6 oclock, should now look like this

Remove motor brushes at 12 and 6 oclock, should now look like this

Step 12

              Lift out motor               

• Lift out motor armature assembly clean and replace bearings. YOU NEED TO MEASURE AND NOTE EXACTLY THE POSITION OF THESE BEARINGS TO THE mm wAS ANY ERROR IN REASSEMBLY WILL BE CATASTROPHIC.

Lift out motor armature assembly clean and replace bearings. YOU NEED TO MEASURE AND NOTE EXACTLY THE POSITION OF THESE BEARINGS TO THE mm wAS ANY ERROR IN REASSEMBLY WILL BE CATASTROPHIC.

Step 13

              Lever top washer down               

• Note washer below top bearing (this is the hearing most prone to fail). The bottom bearing may not need replacing. Carefully lever this washer down until it sits on top of armature cylinder. After you remove bearing washer will come off too. Crimp inner did it washer with small pliers and replace in original position prior to fitting new bearing

Note washer below top bearing (this is the hearing most prone to fail). The bottom bearing may not need replacing. Carefully lever this washer down until it sits on top of armature cylinder. After you remove bearing washer will come off too. Crimp inner did it washer with small pliers and replace in original position prior to fitting new bearing

Step 14

              With top washer loose insert thin spanner               

• Imagine (I forgot to photo) the washer is sitting flush on the armature this leaves a gap to insert a thin bicycle spanner or similar

Imagine (I forgot to photo) the washer is sitting flush on the armature this leaves a gap to insert a thin bicycle spanner or similar

Step 15

              Tools for fun tricky bit               

• the tricky bit another pair of hands is useful as is a vice or work bench or sturdy work table. Place the spanner under the bearing and place the spanner in a position on a bench where it takes the weight. Tap gently on motor shaft with hammer out scrap yard wood in between, saves the threads.

the tricky bit another pair of hands is useful as is a vice or work bench or sturdy work table. Place the spanner under the bearing and place the spanner in a position on a bench where it takes the weight. Tap gently on motor shaft with hammer out scrap yard wood in between, saves the threads.

Step 16

• The bearing will drop off. Place the new bearing on shaft and tap down using a mild steel pipe that is just bigger than shaft in other words rests on the inner bearing ring only. Tap down into exact position you noted in measurement before. To the mm!

The bearing will drop off. Place the new bearing on shaft and tap down using a mild steel pipe that is just bigger than shaft in other words rests on the inner bearing ring only. Tap down into exact position you noted in measurement before. To the mm!

Step 17

              Replaced motor with its new bearings               

• Repeat with bottom bearing but if bottom bearing looks OK don’t bother. Replace motor in housing. THERE IS A SPRING CLIP AT BASE OF MOTOR HOUSING MAKE SURE IT IS IN PLACE TO REST BOTTOM BEARING ON. Once motor is seated you can test by gently pushing on shaft end you should feel a couple of mm springy give.

Repeat with bottom bearing but if bottom bearing looks OK don’t bother. Replace motor in housing. THERE IS A SPRING CLIP AT BASE OF MOTOR HOUSING MAKE SURE IT IS IN PLACE TO REST BOTTOM BEARING ON. Once motor is seated you can test by gently pushing on shaft end you should feel a couple of mm springy give.

Step 18

              Reverse previous steps , voila!               

• Now just repeat in reverse the disassembly steps. Replace plastic housing star screws. Replace washer position fan and top washer. Replace fan using CLOCKWISE action, left thread. Replace fan cowling etc etc you get t he idea. Good luck. My Miele is now been going 30 years on third set of bearings they cost £3 each

Now just repeat in reverse the disassembly steps. Replace plastic housing star screws. Replace washer position fan and top washer. Replace fan using CLOCKWISE action, left thread. Replace fan cowling etc etc you get t he idea. Good luck. My Miele is now been going 30 years on third set of bearings they cost £3 each

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

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                    gary brooks                     

Member since: 05/26/2021

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Gail troth - Sep 20, 2022

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Great guide Gary, it may also prove a handy aid to your memory when you replace them again after another 30 years!