Question about Makita HR3851 Electric Rotary Hammer
Splined sleeve in toolholder is split and does not turn with cylinder liner. Cylinder liner turns OK. Impact bolt is not moving freely. Piston and striker move freely. Motor runs OK.
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Posted on Jan 02, 2017
Exchanged Makita HP1640 hammer drill for a new one. The 2nd drill did the same thing in under an hour!! Will return for refund. Instructions say the Forward/Reverse switch must be in a full up or down position for the Hammer/Rotary switch to move; well, it is and the Hammer/Rotary switch still stops at a 1/2 way point between modes. Although I can still use the drill, instruction warnings say not to because it may potentially burn out the motor. I'll have to go with a different brand this 3rd time around. It seems to be a design flaw.
Posted on Oct 11, 2009
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