Milwaukee M12 2407 20 Gear Case Assembly Replacement Repair Guide

Difficulty

Moderate

Steps

7

Time Required

                          5 minutes            

Sections

2

• Outer Casing
• 2 steps
• Gear Case Assembly
• 5 steps

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Introduction

What you need

Step 1

              Outer Casing               

• Remove each of the seven 14mm Pan Hd. T-10 ST screws on one side of the housing assembly using the T10 screwdriver.

Remove each of the seven 14mm Pan Hd. T-10 ST screws on one side of the housing assembly using the T10 screwdriver.

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Step 2

• Remove metal clip located at the base of the drill, where the battery is to be inserted.
• You may need to use a spudger if the clip is too difficult to remove with your fingers.

Remove metal clip located at the base of the drill, where the battery is to be inserted.

You may need to use a spudger if the clip is too difficult to remove with your fingers.

Step 3

              Gear Case Assembly               

• Use both hands to remove the gear case assembly from the casing.
• Set the assembly aside.

Use both hands to remove the gear case assembly from the casing.

Set the assembly aside.

Step 4

• Orient the assembly so that it is horizontal.
• Using your left hand, twist the motor assembly to the left.
• Pull the motor assembly from the gear case assembly. Set the motor assembly aside.

Orient the assembly so that it is horizontal.

Using your left hand, twist the motor assembly to the left.

Pull the motor assembly from the gear case assembly. Set the motor assembly aside.

Step 5

• Use a screwdriver to pop the speed selector lever off to gain access to the screws underneath it.

Use a screwdriver to pop the speed selector lever off to gain access to the screws underneath it.

Step 6

• Use a screwdriver to remove each of the four 6mm screws holding the gear case assembly in place.

Use a screwdriver to remove each of the four 6mm screws holding the gear case assembly in place.

Step 7

• Remove the gear case assembly from the keyless chuck, taking care not to allow the gears inside the unit to shift or become dislodged.
• Use your finger to hold the gear plate in place when you remove the assembly. This will keep the gears from falling out.

Remove the gear case assembly from the keyless chuck, taking care not to allow the gears inside the unit to shift or become dislodged.

Use your finger to hold the gear plate in place when you remove the assembly. This will keep the gears from falling out.

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

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Author

                                      with 2 other contributors 

                    Allison Schieber                     

Member since: 02/05/2019

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                       Appalachian State University, Team S2-G1, Menagarishvili Spring 2019                        

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Jay Levan - Mar 18, 2020

Reply

So, the last step says:

“Remove the gear case assembly from the keyless chuck, taking care not to allow the gears inside the unit to shift or become dislodged.

Use your finger to hold the gear plate in place when you remove the assembly. This will keep the gears from falling out.”

BUT THAT’S IT!

It doesn’t say anything about how to get a new gear case assembly. Just how to remove it.

The link that sent me to this page said it would tell me how to REPLACE the gear case assembly.

But it only tells us how to REMOVE it.

No link or info regarding replacement. Grrrrr.

Skylar Norris - Mar 18, 2020

Hi Jay! We had to do this for a project for one of our classes. We were instructed not to include any of that information by our instructor and by iFixit. I apologize for the inconvenience. It bothered me too, I promise. If you Have the replacement part just follow these steps in reverse order to reassemble. I’ll see if I can find a link to a replacement part for you and I’ll get back to you.

Try here: https://www.ereplacementparts.com/servic…