Remington Mb4040 Battery Replacement Repair Guide

Difficulty

Difficult

Steps

7

Time Required

                          10 - 15 minutes            

Sections

2

• Cover Assembly
• 5 steps
• Battery
• 2 steps

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Introduction

What you need

Step 1

              Remove Blade Assembly               

• Press the black button below the blade to remove the blade.

Press the black button below the blade to remove the blade.

1024

Step 2

              Remove Back Cover Hardware               

• Place the device so the back of the product is facing up.
• Remove the two 11.0 mm PH00 screws from the black plastic housing at the bottom of the device.

Place the device so the back of the product is facing up.

Remove the two 11.0 mm PH00 screws from the black plastic housing at the bottom of the device.

Step 3

              Remove Front Cover Hardware               

• Remove the chrome plated plastic piece by using the plastic opening tool to pry it from the housing assembly.
• Remove the small clear plastic piece that covers the zoom wheel numbers.

Remove the chrome plated plastic piece by using the plastic opening tool to pry it from the housing assembly.

Remove the small clear plastic piece that covers the zoom wheel numbers.

Step 4

              Front Cover (cont.)               

• Remove the two 16.0 mm PH00 screws from the front cover.
• Use the blue plastic opening tool to pry apart the two halves of the device.

Remove the two 16.0 mm PH00 screws from the front cover.

Use the blue plastic opening tool to pry apart the two halves of the device.

Step 5

              Blade Button Removal               

• Remove the black blade button and the two 10.0 mm springs, which are sandwiched between the cover assembly halves.
• The blade button is sandwiched between the halves and the two springs may fall out when the halves are separated.

Remove the black blade button and the two 10.0 mm springs, which are sandwiched between the cover assembly halves.

The blade button is sandwiched between the halves and the two springs may fall out when the halves are separated.

Step 6

              Remove Motherboard               

• Remove the four 9.0 mm PH00 screws from the motherboard.
• Use the plastic opening tool to remove the motherboard from its housing.
• This can be completed with the Remington MB4040 Zoom Wheel Replacement installed or removed. Just adjust the zoom wheel until it no longer covers the motherboard.

Remove the four 9.0 mm PH00 screws from the motherboard.

Use the plastic opening tool to remove the motherboard from its housing.

This can be completed with the Remington MB4040 Zoom Wheel Replacement installed or removed. Just adjust the zoom wheel until it no longer covers the motherboard.

Step 7

              Remove Battery               

• Remove the thermal switch from the battery by using the spudger to pry it from the adhesive.
• Remove the battery by desoldering the battery from the motherboard.
• Soldering tabs hold the battery onto the motherboard.

Remove the thermal switch from the battery by using the spudger to pry it from the adhesive.

Remove the battery by desoldering the battery from the motherboard.

Soldering tabs hold the battery onto the motherboard.

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

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                                                                                      20 other people completed this guide.                                             

Author

                                      with 3 other contributors 

                    Cameron Carnahan                     

Member since: 01/20/2015

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                       USF Tampa, Team 1-5, Blackwell Winter 2015                        

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                    USFT-BLACKWELL-W15S1G5                     


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                                            7 Guides authored                     

Matt Purnell - Jun 2, 2017

Reply

Great work - but help on where to source the battery would be good too :)

It’s available as a generic - it’s a ‘14500’ Li-Ion battery, 3.7V - typically 750-800mAh. Dimensions: 50mm x 14mm (diameter).

Amaury C - Sep 18, 2019

I have seen two types of these batteries: protected and unprotected. Which type do we need?

Rakan - Jun 27, 2017

Reply

You did everyrhing except the most important part to me

How did you unsolder the battery, and solder the new battery?

I was going to buy the tools from the local store but realized i don’t know how to appropriately unsolder/solder battery tabs.

Non the less you are the only one who made such explanation, thank you.

Mads Larsen - Dec 22, 2017

Reply

If you happen to lose the two springs, you can cut off 2 pieces from the spring of a pen :P

Merry Trimming & A Happy New Beard !