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Compares current and new DeWalt combination hammer models.
Details OPP, MPP, and HPP motor stack types.
Key visual differences between 22mm, 26mm, and 28mm hammer models.
Essential safety measures and checks before commencing repairs.
Steps to verify correct function after completing repairs.
States the necessity and process for conducting the high voltage test.
Guidelines for Protection Class 2 and Class 1 (earth wire) testing.
Lists critical functions to verify before starting service.
Explains the systematic approach to finding the basic source of a problem.
Illustrates the separation of the motor and gearbox housing.
Demonstrates the steps for servicing the Quick Change Chuck.
Illustrates the process of handling NQCC components during service.
Information on obtaining technical drawings and parts lists.
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