20 Most Recent Dewalt 3" X 21" Belt Sander Questions & Answers

have you checked the fuse first.
possibly worn brushes on the motor, remove the brushes and check the length of them , also look to see if they are pitted or burned.

faulty or dirty connections

here is a link copy and paste https://sawmillcreek.org/showthread.php?111567-DeWalt-733-Rollers-stopped-moving ..

It needs new blades - likely has a chip in one. See link for replacement tutorial

Red is pos and black is neg.

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https://www.weeklytools.com/different-uses-for-an-angle-grinder/ An angle grinder is a multifaced handheld power tools that was invented by a German company. We may don't know a lot about this tool because it is an unrecognized instrument like some other tools. Now we will discuss different Uses for angle grinder. An angle grinder is also known as a side grinder or disc grinder. It is a machine with a rotating abrasive cutting disc. Angle grinders can be powered by an electric motor, petrol engine, or compressed air. It comes in a wide variety of different sizes and powerful motor, each with the other purpose. Once anyone knows about these, he can easily find out the best angle grinder for his needs. Angle grinders are quality fulled equipment for any metal fabrication shop, and those are typically used in auto repair, workshops, and construction sites.

https://www.weeklytools.com/how-to-use-a-nail-gun-with-an-air-compressor/ We may not need a drill machine almost the whole time. But there is a demand for a pilot hole during the home finishing process. This post is not for you if you are a professional. However, in most of the cases, we observe the necessity for a pilot hole. From wooden doors and windows ...

There are two adjustments. First find the screw on the right side that allows loosening of rear baseplate. Once loose, another screw jacks the base up or down. They are both hex heads on mine.

Turn jack screw until a straight edge along the base just clears the cutter. Spin the cutter once to make sure both edges are the same depth and that both clear the straight edge.

For the front shoe, turn adjustment handle to zero. Remove the adjustment handle from the front shoe and find two vertical slots at the front. Two screws (hex heads) allow loosening of shoe. Once loose, the shoe can be adjusted by sliding up or down. With a straight edge held along the rear base and touching the front base, align the front shoe so straight edge barely clears blade and tighten screws. The front and back base should line up. Replace adjustment lever and recheck zero cut clearance as well as maximum depth. Readjust as necessary. If zero clearance is not an issue, the bases can be set to allow deeper cuts than factory specified. It's a powerful planer so if you're cutting softer woods, a deeper cut might be desired.

I’m not trying to be a wise guy but the regulator has an adjustment on the bottom

The nailer must be firmly pressed against the surface you are planning to nail. This will arm the nailer in preparation for firing the nail.

Try this link: https://www.ereplacementparts.com/dewalt-dw423-type-inch-evs-random-orbit-sander-parts-c-1009_2742_2758.html

https://www.2helpu.com/PDMSDocuments/EU/Docs/Service%20Dossier/DW733-D.PDF

O rings

Either the blades are incorrectly installed causing the head to jam or the safety cover is not installed properly - there is a safety mechanism that locks the cutter head when the cover is removed.