Question about Hitachi Rotary Hammer Kit 15/16,SDS, 0 4200 BPM,500 W, 5.7 Amp

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Power light on amp will not come on

I have a legacy rebel amp(1600watts). it just stop working the fuse is good. but have no power light does anyone know what is wrong

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  • 90 Answers

The brushes need to be checked,
or the cord.

Posted on Dec 03, 2009

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I have a dewalt d25303 rotary hammer drill works but drilling in surfaces stops motor is runing

It could be a couple things:
1) you have a bad clutch #112 on the diagram
2) you have stripped out the armature gear (you would hear grinding if this was the problem)

Using a screwdriver, pry off the rubber cap on the end of the nose and then slide the collar off.
Again using a screwdriver remove the snap ring at the end of the nose and disassemble the bit lock.
Next using a small screwdriver, pry off the cover on the selector knob & remove the screw underneath - remove the selector knob.
Finally, remove the 4 screws holding the gearcase to the motor and slide the gearcase cover straight off.
You should now be able to see the condition of the gears - if they do not appear to be stripped your problem will be the clutch gear.
Note: when reassembling, be sure to line up the selector knob pin with the carrier inside. Detail

Feb 27, 2015 | Dewalt Drills

2 Answers

I bought a rotary hammer drill from Asia 220V/60Hz & I want to use this in Canada 110V/60Hz Can I use Step down transformerconverter available in amazon or ebay?

Yes you can.
Make sure the transformer is rated for more power than the drill label states so that you don't burn up the transformer if you stick the drill bit.
For instance, if the drill is rated for 5 amps at 230 volts you should get a 1500 watt transformer. 230 x 5= 1150 watts; the next common size up is 1500 watts. You don't want an 1200 watt if it is available.
Transformers are also rated in KVA [Killovolt-amps] so the same transformer would be 1.5 KVA.
Do the math for your drill and save future problems. If a transformer doesn't have a rating with real numbers, avoid it. There are lots of really cheap ones on the market that you will regret buying.

Feb 07, 2015 | Bosch Drills

1 Answer

Can not remove bit from 11223 EVS bosch rotohammer

Hopefully you don't have the wrong shank jammed in this because it can be a costly repair.
- Using a screwdriver, pull off the rubber dust cap #21 at the end of the nose & slide it out of your way.
- The shell #22 will also slide up out of your way
- Using a pick or small screwdriver, remove the snap ring #143 at the end of the nose & slide the 2 metal #144 & 1 rubber washer #31 out of your way
Slide the spacer tube #24 & stop sleeve #25 out of your way
Now you can access the 2 pawls #26 that hold the bit in place - you will have to assess what is jammed from here .
As I said, if you have a spline bit jammed in this SDS nose you may be looking at a whole new barrel because even if you extract the bit most of the time is does damage to the bit sleeve in the barrel.


Apr 08, 2014 | Bosch Drills

1 Answer

Rotary hammer does nothing at all when I pull the trigger

you should only get voltage at the brushes when the trigger is pressed... is the tool constantly running or is it doing nothing?
If your getting voltage to the brushes and its doing nothing... check the brushes to see if they are worn out and not touching the armatures commutator. Replace them and the switch

Nov 16, 2012 | Drills

1 Answer

What position should striker be in a Bosch 11203

It works on a pnumatic system, Light oil or grease is fine on the piston its self but grease in the gearbox. (don't over do it) Have the piston partially sticking out. Make sure you locate it onto the ecentric cam correctly. If it does not hammer at first just run it for a while against the work, stopping and starting it in short bursts.

Jun 06, 2012 | Drills

1 Answer


It could be the brushes, see if the are stuck in the brush holders, they might be worn out also. Some of them have cutouts on them.

May 13, 2012 | Makita HR3000C Electric Rotary Hammer

1 Answer

I have a dewalt DW005 24V hammer/plus drill i am having problems charging batteries. the L.E.D lights flashes as though its charging but it has stopped showing continuous light as it should do when fully...

The battery has probably lost it's ability to receive a charge. Is it old? Check the output of charger, should be around 26 volts DC at the output jack.

Jun 25, 2009 | Dewalt DW005K Rotary Hammer

1 Answer


The charger you need is Makita charger DC1801. If you do a search for "DC1801" on ebay you will find heaps of those chargers on there!

The DC1801 charger will charge the 6347D 18v 2Ah Makita NiCad pod-style battery.

Jun 18, 2009 | Makita BHR200SAE Cordless Rotary Hammer

2 Answers

Rotary hammer won't rotate, hammers very good

Unscrew the brushes and take a look at them. It sounds like you need new brushes.

Apr 06, 2009 | Drills

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