Question about Dewalt DW824 5" Electric Angle Grinder
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Posted on Jan 02, 2017
You will see vents near the head of the grinder. Make sure your hands are not blocking when in use. Also another thing I like to do with my grinders is removed the head cover (gear box) and replace the lube with a good grade of grease. I suspect if you open yours it will look like an orange wax substance. Clean and re-lube. They do run on the warm side.
Posted on Jun 15, 2010
On top of the head there is a button to press to lock the blade arbor. Press it down and turn the blade by hand until it locks in place. Then you need either a spanner wrench or nut wrench depending on which arbor nut you have. Grinders usually come with whichever wrench they need. Most grinders have an arbor nut with two or four holes and require a spanner wrench with two studs that fit into two of the holes to remove the arbor nut. Some have an arbor nut with a hex fitting, like a regular nut & bot setup, that the arbor wrench fits on. If you don't have the proper wrench sometimes you can get the arbor nut off with a pair of vice grips or pliers. You will want to turn the nut in the same direction as the blade spins when the grinder is on to remove it. When you put the new blade on, get the arbor nut hand tight, it is self tightening and will get tighter as you use the grinder.
Posted on Jul 19, 2012
The button on the top of the gearcase is used to lock the shaft only when you are tightening the nut. It is of no use when removing the nut. The DW402 was an early model and made no provision for removing the nut.
Posted on Dec 22, 2014
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