B5900 DeVilbiss takes about 30 minutes to charge

by Carmen
(Chicago, IL)

B5900 DeVilbiss air compressor pump takes about 30 minutes to charge.


Hello. I ran across your site while looking for a replacement for my compressor pump. I was using it to blow out my sprinkler system when all of a sudden I noticed that it was taking forever to recharge, about 30 minutes. Normally, I use it for spray painting in my work shop. I brought it in to DE Walt who originally told me they would repair it but when I got there, they said it was too old (20 years) and do not repair them any longer. Based on what I read in your site, it sounds that it is not worth repairing this item or do you think it can be repaired cheaply?. Based on the type of usage I have described, what recommendations would you make for a new pump. The most strenuous use I give it is when blowing out my sprinkler system once a year. Thanks for any advice.

Comments for B5900 DeVilbiss takes about 30 minutes to charge

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Oct 11, 2016
B5900 DeVilbiss teardown
by: Doug in s.d.ca

Carmen -

I feel for ya...

You can only upload pix at the beginning of a "page" - so start a new one with the same or similar title, post the pix, and Bill can stitch them together.

Take a look at
http://www.about-air-compressors.com/compressor-gaskets.html
for gasket ideas. (you'll need to copy and paste that URL)

Oct 11, 2016
Need head bolt torque specs
by: Carmen

I am getting ready to put my B5900 compressor pump back together. Does anyone know the torque specs for the head bolts? Also, is there a specific tightening sequence?

Thanks for any help.

Oct 11, 2016
B5900 - Update on teardown
by: Bill

Carmen, in order to add photos to an existing thread, I must do it. If you start a new post you can upload up to four, and I'll move them to here, as long as you say so in your new post.

As to gaskets, they are sometimes difficult to find for sure, which is why so many folks that are rebuilding compressor pumps make their own.

How to do that is covered on the pages of this site.

Oct 09, 2016
Update on teardown
by: Carmen

Well, I took it apart and found what I was afraid of - pieces of the air cleaner had disintegrated and were sucked into the compressor gumming up the two valve plates. The valves appear to be in OK shape so I am cleaning them with gasket remover. I have been looking on Google for replacement gaskets - no luck so far. Does anyone have any suggestions. There are 3 gaskets involved. I also have pictures but cannot figure out how to upload them.

Oct 09, 2016
B5900 DeVilbiss
by: Bill

As noted earlier, see the troubleshooting section for pages that relate to why air compressors run but don't build pressure. There are things to check listed there.

Oct 08, 2016
More information requested
by: Carmen

I am going to take it apart to see if I can figure out what is wrong. As I have never worked on a compressor, does anyone have any suggestions on what I should look for as causing the compressor to take so long to charge up? At this point I figure I cant break it anymore. If I cant fix it, I am considering a harbor freight unit. For the amount that I use the compressor, I cant see putting a lot of money into one.

Oct 07, 2016
B5900 DeVilbiss
by: Doug in s.d.ca

Depending on the condition of your machine and what tools you have easy access to, you may want to buy parts, which are mostly available, or perhaps just a new pump - they can be had for less than $550 from several sources.

Let us know how you make out, would you?

Oct 07, 2016
B5900 DeVilbiss
by: Bill

I moved this to the DeVilbiss forum, Carmen.

Can it be repaired cheaply? No idea what you mean by cheaply, and obviously it depends on what's wrong with the Devilbiss pump.

Take a look at the troubleshooting pages on this site, the ones about why air compressors take a long time to build pressure, for some things to check.

As to acquiring a new compressor, the buying pages, compressor selection pages, etc. all address this issue in detail. Please help yourself to that info on this site.

The pages about blowing out sprinkler systems will help too.

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