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Repair Center  How to Replace the Switch on a Makita Cordless Hammer Drill (Model LXPH01)

Why Read This Article?

Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)

Article Breakdown

Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)

Tools & Materials

Fix Factor: Easy Duration: 15-20 minutes Frequency: As necessary Tools Required: Torx driver, Phillip's screwdriver, long-nosed pliers, small screwdriver Part #: 650731-7

How to Replace the Switch on a Makita Cordless Hammer Drill (Model LXPH01)

Finish Nailer Repair - Replacing the Driver Guide (Ridgid Part # 79004001022)
How to replace the switch on a Makita drill The Facts

If hammer drills and service bills are boring into your budget, it's time to face the fix. Whether you are a master carpenter or an occasional drill-seeker, eReplacementParts.com provides the parts, procedures and facts you need to fearlessly fix what fails you.

The switch in your cordless drill performs several functions: It turns the drill on, controls its speed, and enables you to select the direction of rotation. Common symptoms of a bad switch include a drill that doesn’t turn on when the trigger is pulled; not being able to change the direction of rotation; and no longer having variable speeds.

It is also fairly common for a bad switch to create smoke when it is activated, especially if the switch has been overheated. If you suspect the switch in your drill has been overheated, remove the housing and inspect it. You will usually see melted plastic on the switch or the surrounding wires. This article provides step-by-step instructions for removing and installing the switch on a Makita cordless hammer drill.

Let's get started. The Fix   REMOVING THE SWITCH [top] 1. Remove the battery.

Remove the battery from the drill.

 Remove the battery

 

 

  2. Remove the rear cover.

Remove the (2) screws.

 Remove the screws

 

 

Remove the rear cover from the drill.

 Remove the rear cover

 

 

  3. Split the housings.

Remove the screws from the top half of the housing.

 Remove the screws

 

 

Lift the top half of the housing away from the unit.

 Remove the housing cover

 

 

  4. Disconnect the switch wires.

Lift the switch assembly out of the housing.

 Lift the switch

 

 

Remove the forward/reverse change lever from the switch (or from the housing).

 Remove the change lever

 

 

Note the location of the wires prior to disassembly.

 Note the wire configuration

 

 

Disconnect the (2) wires from the top of the switch assembly. (Disconnect only the flag terminals. The soldered wires (on the lower portion of the switch) are part of the switch assembly and do not require removal).

 Pull the switch wires

 

 

  5. Remove the heat sink.

Lift the heat sink out of the housing.

 Lift the heat sink

 

 

 

Remove the screw securing the heat sink to the switch.

 Remove the screw

 

 

 

Remove the heat sink from the switch assembly.

 Remove the heat sink

 

 

  6. Remove the terminal.

Slide the terminal block out of the housing.

 Lift the terminal

 

 

Note location of the wire connections prior to disassembly.

 Note the wire configuration

 

 

Disconnect the (3) wires from the terminal assembly.

 Pull the terminal wires

 

 

Remove the terminal from the unit.

 Remove the terminal

 

 

  7. Remove the switch.

Disconnect the LED supply wire (by depressing the center tab and separating the two halves of the plastic connector).

 Disconnect the LED

 

 

Remove the switch assembly from the housing.

 Remove the switch

 

 

  INSTALLING THE NEW SWITCH [top] 8. Connect the LED wire.

Place the new switch assembly in its approximate position within the housing.

 Align the switch

 

 

Connect the LED supply wire to the new switch.

 Connect the LED

 

 

  9. Install the terminal block.

Connect the (black) wire to the (negative) post on the terminal.

 Connect the black wire

 

 

Connect the (red) wire to the (positive) post on the terminal.

 Connect the red wire

 

 

Connect the (yellow) wire to the (center) post on the terminal.

 Connect the yellow wire

 

 

Install the terminal assembly into the housing.

 Install the terminal

 

 

  10. Attach the heat sink.

Attach the heat sink to the new switch.

 Connect the heat sink

 

 

Secure the heat sink to the switch with the screw.

 Secure the heat sink

 

 

  11. Connect the switch wires.

Connect the (red) wire to the (M1) terminal on the new switch.

 Connect the red wire

 

 

Connect the (black) wire to the (M2) terminal on the new switch.

 Connect the black wire

 

 

  12. Install the switch.

Align the notch on the forward/reverse change lever with the post on the switch.

 Align the lever

 

 

Install the switch (and F/R change lever) into the lower half of the housing.

 Install the switch

 

 

Tuck the switch wires into the channels on the housing.

 Tuck the wires

 

 

  REASSEMBLING THE UNIT [top] 13. Reinstall the heat-sink.

Install the heat-sink into the lower half of the housing.

 Install the heat sink

 

 

Verify that the wires (extending from the heat-sink) are positioned on the switch-side of the plastic post (not on the motor-side).

 Verify position of the wires

 

 

  14. Reinstall the top half of the housing.

Inspect all of the wires for potential pinch-points; make adjustments as necessary.

 Inspect all wires

 

 

Reinstall the top half of the housing.

 Install the housing

 

 

Secure the housing with the screws.

 Secure the housing

 

 

  15. Reinstall the rear cover.

Install the rear cover.

 Install the rear cover

 

 

Secure the rear cover with the (2) screws.

 Secure the rear cover

 

 

  16. Reinstall the battery.

Install the battery.

 Install the battery

  The Finish

As you just learned, fixing things yourself means more drilling with less billing. Hopefully, this article has restored your ability to drill holes without replacing your whole drill. And that's just the tip of the bit. Our online repair guides can help expand your skills far beyond drills; empowering you to face power tool problems whenever they arise; and to fearlessly fix whatever fails you.

Find your next fix here.   [top]

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