User Manual Q&AAnswer
Mar 03, 2025 - 11:01 PM
To remove the chuck xxxx on the Milwaukee J77A Hammer Drill, follow these steps:
1. Set the Speed Selector Slide (part number 34) to the #1 setting.
2. Apply heat into the chuck opening, directly to the head of the reversing xxxx , using a small pencil tip torch or an air reduction nozzle on a heat gun.
3. Place a T40 1/4" torx bit into the head of the reversing xxxx .
4. Place a 1/4" boxed end wrench over the hex on the T40 bit.
5. Use a 12"-18" metal tube or pipe as leverage over the boxed wrench.
6. In a clockwise direction, apply a slow, steady force on the "cheater bar" to break the xxxx loose.
Note: It is recommended to use heat and a cheater bar for extra leverage when removing the chuck xxxx .
Please refer to the Milwaukee J77A Hammer Drill User Manual for more detailed instructions and illustrations.
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