Question about Milwaukee Tool Milwaukee 544621 Sdsmax Demolition Hammer
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Posted on Jan 02, 2017
Could be a couple things, do you have the selector in the rotation mode, also there is an internal clutch that might have broken or the splines on the spindle might be rounded. If it is the clutch you would have to take it in for repair, it is extremely tricky to work on. Take the bit out (make sure you are using the right bits for this tool) and look at the splines to check their condition. Let me know if I can help more
Posted on Aug 25, 2009
go to Milwaukeetools.com and under service/parts type in your model number and you can download a manual and parts breakdown. Let me know if you need more assistance.
Posted on Feb 12, 2010
my first question is what did the old brushes look like, was the spring burnt, were the contact faces on the brushes not the same. I would make sure that the brushes move freely in the tubes allowing contact with the armature, to ensure this use your volt ohms meter and place one in at a time and check by inserting your probe on the commutator thru the opposite brush tube and the top of the installed brush. I assume you have one if you indicate the cord/switch are OK. If they were not burnt then the next thing I would look for is a loose connection or broken wire from the vibration of this tool. You can get a breakdown and wiring schematic by going to milwaukeetool.com. I strongly recommend doing this before further disassembly. Let me know
Posted on Aug 02, 2011
If you mean the cord you can find the part number by going to milwaukeetool.com and you will need the serial number for the correct one. Or you can also go to ereplacementparts.com. You will need to solder the wire ends to push into the swiitch. To release the old cord straighten one leg of a paper clip and insert next to the wire and gently pull out the old cord. UNPLUG tool first and make note of where the wires came from. The Milwaukee site also has a wiring diagram that you can download. Let me know if you need more assistance.
Posted on Mar 17, 2012
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