Question about Bosch Drills
Is the black wire #1 and the white wire #2?
If the drill runs backwards just swap over the two wires on the switch front left with rear right.
Posted on Feb 10, 2013
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Posted on Jan 02, 2017
They are filled with a special grease that comes from Bosch. It sounds like the impact bolt or the striker pin in the unit are not moving the way they should. These are the pieces that work together to create the hitting action. About all that can be done now is the unit has to be dismantled to get those to pieces moving again. Bosch makes what they call service packs for all thier hammers. They have all the o-rings and grease to get your hammer working again. A Bosch service center can supply you with the kit. Ask for P/N 1617000225, or they can take care of it for you.
Hope this helps
Posted on Apr 16, 2009
It sounds like the cord is ok as you have power to the switch. It also sounds like the switch is OK. These units have a governor on them as well. I suspect the governor because you indicated that the hammer will not come up to full speed. Beyond the governor, the only other thing to look at is the motor. You did say that you didn't notice any sparking so the motor sounds like it is OK.
In my opinion from everything you said, its the governor.
Posted on May 01, 2009
The manual I do not know but the Rockwell 616 uses a 9/16" Hex Shank. You can got www.icscuttingtools.com for a list of available bits. The bits are commonly known as Skil 728 Hex Shank. You may be able to find some locally where you are. I hope this helps. Let me know.
Posted on Aug 01, 2009
There is a clutch in the main spur wheel of the unit. These sometime begin to slip, on rare occasions they will slip to the point where the drill will not rotate. If you are interested the part number for this clutch is 1617000817.
Posted on Aug 06, 2009
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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