This is a genuine Makita replacement part that has been sourced from the original manufacturer and is intended to be used with cordless drills. The gear assembly links with the motor and the cuck. This item is used to regulate the drill\\\'s torque output. The gear assembly is priced as a single item.
Troubleshooting
This part works with the following brands:
Makita
This part works with the following products:
Cordless Drill
Drill
Screwdriver
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Strong suggestion for everyone: Get as much info and diagrams as you can before starting! Pay CLOSE attention to how it comes apart, take photos if possible.
1. I removed the drill chuck with a 1/4 \" blade screwdriver. Caution; REVERSE thread screw.
2. removed 6 housing screws and 2 retainer clips inside battery compartment.
... Read more 3. Separated housing.
4. Photographed the reversing switch assy, then removed same.
5. Photographed and removed the speed switch (lost one of the two springs)..used spring from ball-point pen as replacement.
6. Using needle-nose pliers, disconnected motor wires.
7. Lifted motor and gear set out as one unit. (Make sure the clocking tab is not broken).
8. Separated motor and gear set.
9. Installed new Drill chuck onto new gear set.
10. CAREFULLY tighten drill chuck (nose down) into a vice, then remove the protective plastic plate from the gear-set. MAKE SURE the plate is on TOP, otherwise you may lose the gears.
11. install motor into gear set. you may need to wiggle the motor a bit to align the gears, and a twist will seat the motor properly.
12. Clock the unit with clocking tab toward the speed selector switch (top)
13. replace the drill chuck, gear set and motor into the housing as one unit.
14. Replace the motor wiring and reversing switch.
15 Replace the speed control. (This alone took me 30 minutes using needle-nose and mag. glass). Be patient, you\'ll get it.
16. Replace housing HAND tighten the screws.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP16658790
Manufacturer Part Number: 127099-1
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
