Question about Makita HM1800 64 lb. Breaker Hammer AC/DC

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The bit does not lock in place just falls out or gets stuck in the concrete. Is this normal for it to be so loose?

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As the retainer shaft (part # 322550-8) wears it will begin to drop the bit. Also could be the roll pins that hold the shaft. Remove the two pins and take a look at condition. You could build up the metal with welder and grind to shape. Part is available at www.toolpartsdirect.com at a cost of about $25. Good luck with your repair.

Posted on Jul 08, 2010

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I have electric gates and my question is regarding the pillar that the arms are attached to.


Use Hydraulic Cement, rather than regular concrete. Regular concrete mix, sand mix, etc doesn't bond well to existing concrete. As soon as you put some torque on it, the bond breaks. When you dig or chip out the area to be replaced, make it larger at the back than the front. When you fill it with hydraulic cement, the slight expansion of the hydraulic cement will force a tight bond. The brand that I used for years is Rockite by Hartline Products, but there are probably ten others. Most people don't realize that when normal Portland cement cures, it shrinks slightly, which is one of the reasons it doesn't bond well to other concrete... it pulls away. If you look at where railings have been drilled into existing concrete steps, you'll see smooth gray material has been poured in. That is usually hydraulic cement. For a sideways application, you will need to make a form to hold the cement it... it is very liquid when you pour it. I would advise putting your bracket and supports in first, and pouring them in place. Put nuts and washers on the bolts, so the cement has something to grab. Be aware, you have to work fast. From mixing to initial cure is only a minute or two.

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1 Answer

Key gets stuck in ignition of my 1997 GMC Jimmy can't remove until I hear a click. It does this once in awhile.It sounds like a timer has it locked,when I hear the click only then I can remove the the


The steering wheel lock pin is probably not falling into place. Try some lock lubricant and jiggle the wheel back and forth a little bit. If that does not do it, you will have to take out the lock tumbler and free-up / lubricate the steering column lock pin mechanism.

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1 Answer

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There is a small spring at the back of the sleve which snaps. Try replacing it. it is only cheap.

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1 Answer

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On this particular tool, you can't really tighten the bit in the anvil like a bit in a drill chuck. The bit is free floating but held in place by a small steel ball. The steel ball is held in place by the sleeve that slides up and down to release the ball so the bits can be changed. The sleeve is held down by a spring. Bits falling out can be caused by: Using bits without the groove in the bottom of them for the ball to catch in, dirt in the bottom of the anvil so the bit can't seat properly, the ball is missing or stuck, the spring is broke or binding, or the sleeve is bent or too dirty to slide up and down freely. Use compressed air to clean the anvil well and WD40 to clean and lube it further. If bits still fall out you'll have to take it apart and see if the ball, spring or sleeve need to be replaced.

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Hello. Wrap a towel around the chuck and use a pipe wrench or a pair of channel locks to put a little force on the chuck. J.

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1 Answer

The bit in my Stanley ratchet screwdriver does not lock into place, falls out when screwdriver is pointing down


There is a small springs steel wire that fits into the chuck. the bit slides into the chuck and then into the spring and the spring holds the bit inside the chuck. This ring seems to be missing. Thus the bit falls out. You might try going to a hardware store and they make a device that is two magnets held together with a rubber band. When they are together there is a small hole in the center. You can slide any screwdriver or bit into the hole in the center and it magnetizes the bit or driver. Magnetizing your bits should keep them from falling out of the ratchet screwdriver.

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1 Answer

THE BIT DOESNT STAY IN PLACE


Could be 2 problems, first are you using the right type of bit to lock in this tool and second the ball that locks into the detent of the bit might be stuck or the ring holding it in has moved. Give me a brand and model number and I will find a breakdown for this and see if I can give you more help

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the collet is either the wrong size for the shaft on the attachment or is missing alltogether

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1 Answer

Bosch 11222EVSG hammer drill not turning


Couple things to look at, First is the selector in the hammer/rotation mode? Without a bit in it does the collar turn when in the rotation mode. Are you using the right bits for this tool. If yes to all of these I would look down the spindle and make sure that the pawl are in place (they lock to the bit for rotation) Let me know and we will dig deeper.

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