Top 20 Dewalt Heavy - Duty 5" Random Orbit Sander - D26451 Questions & Answers

I have the same problem with a Porter Cable orbital sander I recently purchased. Whats happening is the sander is catching the edge of the board you're trying to sand and jerking back and forth as the sander base spins. It seems that if the board your're sanding is at least as wide as the sander base, the problem goes away, which does little good because there will be many times I we'll need to sand wood that is less in size. But you may try using a lesser grit sandpaper and see if that alleviates the problem somewhat.

remove pad and clean and lube cam

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

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 ...

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.

Red is pos and black is neg.

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

copy and paste in search engine. took about 5 seconds to find answer. Dewalt Air Compressor D55146 Belt Replacement

Without inspecting tool, it would be hard to definitely tell what part, I would call Dewalt, they will be glad to help you. You do not want to throw parts at it. 1-800-433-9258

That symptom usually indicates a low voltage issue - not sure how the adapter may affect this, I've never run them with a 20v battery. Try it with a standard 18v and see if you have the same issue - please comment back with the results, I'm curious.

either not properly closed or latch damaged

DeWalt DWFP12233 Manuals

Typical cause is low voltage - but can also be a bent driver or something jammed in the nail track. Is this a finish nailer or framing nailer?

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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.

If previous nails worked, they sold you the wrong nails.

Contact customer service at dewalt.com. Be sure to have your model and serial numbers ready, as wiring diagrams can change during a tool's production run.