Hammer Drills - Recent Questions, Troubleshooting & Support


With hammer drills, there are usually 3 positions for operation.

Position 1 - Drill only - drill rotates

Position 2 - Hammer and Drill - Drill rotates and hammers

Position 3 - Hammer only - hammer action

It is important to read the instructions to activate the part to select position 1, 2 or 3.

Sometimes, it is easy to move from position 1 to position 2. Sometimes it is easy to move from position 2 to position 3.
Sometimes it is difficult to move from position 2 to position 3.

When it is difficult to move from position 2 to position 3, you may need to rotate the chuck a little way before turning it to position 3.

Hammer Drills | Answered on Feb 11, 2019


If you are looking to change the keyless chuck to a keyed one, give it up. I cannot get the keyless chuck off my drill and I suspect it has permanent set loctite which would require heating the shaft and chuck. Disassembly would be required to apply enough heat to break the bond. For me I cannot justify time and trouble to disassemble and reassemble the gearbox on the drill. I have found hex or triangular drill bits, hole saws, and countersink tools that will not slip in a keyless chuck but... I still do not like those darn things.

Hammer Drills | Answered on Jan 16, 2019


Hammer drills usually are nonfunctional.
Turn your hammerdrill function off and you should have a smooth drill function. You're good to go.

Hammer Drills | Answered on Dec 23, 2018


usually the chuck turns and locks in the bit

Hammer Drills | Answered on Dec 01, 2018


If there is a directional switch that changes the drill between forward and reverse, and that switch is in the middle position, the drill will not move.

Hammer Drills | Answered on Nov 28, 2018


look in chuck mouth retaining bolt undone limiting chuck closure

Hammer Drills | Answered on Nov 09, 2018


It is very likely the carbon brushes that contact the motor to transfer electricity to the windings. those tend to crack and get stuck or wear out. They need to be moving in and out freely and have spring pressure pushing them in towards the motor. you can get new ones cheap at ereplacementparts.com if they sell them.

Hammer Drills | Answered on Oct 12, 2018


Use the hammer drill setting. you MUST use a carbide bit.

Hammer Drills | Answered on Sep 26, 2018


no fuse in the unit
check for broken wires in the plug or lead or faulty nswitch

Hammer Drills | Answered on Aug 26, 2018


check and test selector switch or hammering unit has failed or seized

Hammer Drills | Answered on Aug 14, 2018


If they are replaceable, you will be opening up the drill by removing the screws holding it together, and then you might see the brushes that need replacement.
Know that although you can open most hammer drills, and you can replace the brushes in some, some you cannot reassemble, but you can surely try.
I fix these myself, and my success rate is about 50 %.
God bless your efforts.

Hammer Drills | Answered on Jul 05, 2018


why not read the instructions that came with. there are many types of chucks and bits

Hammer Drills | Answered on Apr 15, 2018


Order from the manufacturer/distributor.

Hammer Drills | Answered on Mar 25, 2018

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