SOURCE: rotary hammer won't rotate, hammers very good
If tool hammers brushes still good. Motor runs hammer action.
Take hammer/ drill switch lever off by removing small plastic plug in center with small screw driver.remove indicator handle off by removing #8 torx screw and lightly pry off. There is a pin and spring that lock tool into hammer or drill.Check for broken spring or binding spring and pin.If binding , clean and grease.
SOURCE: Makita HP1640 hammer drill dual mode - 2 hours
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.
SOURCE: I have a makita hr2455x rotary hammer drill that won't hammer
you need to get that service,
the grease causes the hammering.
and probably too much pressure was applied
to it.
SOURCE: I've got a Makita HR3000c and it won't hammer.
more than likely the o rings are worn such that it won't seal. You can go to Makitatools.com and download a breakdown for this tool and see all the parts needed to rebuild. Let me know if you need more assistance.
SOURCE: i have a makita hr300c rotary hammer drill.
it sounds like it needs new o rings and serviced. you can go to Makitatools.com and download a breakdown for this tool, If you are handy and take your time they are not that bad to repair. Let me know if you need more assistance.
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This is a makita hm1317cb electric jack hammer not a rotary hammer does that make a differenc on your answers
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