This replacement service switch assembly is utilized on Milwaukee compact hammer drills. It is an authentic OEM sourced item, not an aftermarket imitation. This assembly includes a switch and a carbon brush holder with lead wires attached. Mechanical on/off switches tend to wear out and eventually fail requiring replacement. Carbon brushes play an important role in an electric motors because they help to conduct electricity. To replace this service switch assembly you would need a screwdriver. • First make sure the tool is unplugged • Remove the housing screws • Separate the housing pieces • Disconnect wires from the old switch and the brush card • Remove the old assembly • Secure the new service switch assembly • Connect the wires • Reassemble and test the tool
Troubleshooting
This part works with the following brands:
Milwaukee
This part works with the following products:
Cordless Drill
Hammer Drill
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I found this video on youtube. Even though it\'s not the same tool. It sure helped me with my repair. Here is the link.
https://www.youtube.com/watch?v=h2hcIGQlMw0
Removed all torques screws from side,back,and front. Carefully separate and pay close attention on how everything is laid in place ,wires ,motor ,switch,brushes , for it has to go back to gather the same way. That is the key to a successful repair.
1. Remove screws
2.pop open cover
3. Remove old failing part
4. Install new part
5.ensure fitment, no pinched wires,correct routing
6. Reinstall cover ensuring easy fitment
7. Install screws an snug down
8. Check operation, good to go
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The hammer drill was squealing, and had loss of power.
1. Removed the end cap.
2. Removed the case screws.
3. Removed the 4 screws off the drive housing.
4. Removed the old brush and trigger assembly.
5. Reinstalled the new brush and trigger assembly in their place.
6. Reattached the drive housing to one side of the case.
7. Reattached the other half of t
... Read morehe case.
8. Reattached the end cap.
9. Runs like new again.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP10123611
Manufacturer Part Number: 23-66-1236
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.
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_WW_1.gif "Part Location Diagram of 23-66-1236 Milwaukee Service Switch Assembly")
