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Discussion Starter #1 (Edited)
I got a good deal on a Campbell Hausfeld sprayer Older model # AL2320.(DIAPHRAGM) Bought a Hose and spray gun for it. Primes and pressures up and sprays great. When it's on it stays running but doesn't sound like it has any problems.

Q: Is it supposed to run all the time or turn on and off intermittently like newer sprayers do while in use?

Second part... I got a lot of ribbing because the above sprayer was a $5 deal that now has me at about $80 Reason it was $80 is because I bought an unused gun on e-bay $50 and another out of service sprayer for $40 off craigslist because I just wanted the 50' hose. Now in all that ribbing I got some good advice and I was told to go with a "PISTON" sprayer, turns out my $40 sprayer is an AMSPRAY DSP 2100 (PISTON SPRAYER). Runs fine and sprays well for about 10 minutes then keeps running and looses pressure. I'm pretty sure I just need a piston repair kit but want your advice before I spend another $70 on the kit.

Q: What causes it to loose prime and pressure?
NOTE: Only way to get it spraying again is to switch to prime wait for the hose to prime and switch back to spray and I get another 5-10 minutes of spray time. That may only be a problem if I'm up a ladder.

PS: I forgot to mention there are 2 kinks in the hose.I don't know if they were kinked at the time of the pressure loss. (Will test and respond later)

Hey it's not too much of a problem when you get a $500+ Sprayer for $40 But I'd still like to fix them both and have one as a spare in case of breakdowns.

Thanks in advance
MZ-HANDYMAN
 

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Discussion Starter #3 (Edited)
You need new packings for the piston.
The diaphram sprayer will run constantly and sound like a vacum cleaner.
If you have kinks in your hose then the hose is old and worn, I would be careful because if it breaks you will have one hell of a mess.
http://paint-sprayers.com/PDF_Files/1400.1550.1700.1900.2100%200512750A.pdf
Print up this PDF it is your repair manual.
Thanks

I actually already have that PDF and a couple others concerning repairs. The PDF you suggest is open on my other screen and has been read cover to cover twice. I've looked for a simple O-ring or a small "Repair Kit" but they are all kits with a replacement piston arm in them at 60-80 bucks.
The Kit # is 0512223 I'm pretty sure the Piston is the most expensive part.


I forgot to put a square around the Top Nut & Seal.

What about going to HARBOR FREIGHT and buying one of those O-RING assortments?
If you look at the picture, where it says "Bottom Seal" those 2 fat rings go onto the center ring holder... Looks like all there is in the kit is the piston arm (Which I already have) the ring holder (Alreay have) and about 4 O-Rings.

I think I may have answered my own questrion...?

MZ-HANDYMAN
 

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Discussion Starter #6 (Edited)
Heres an UPDATE:

I bought the 300 O-ring assortment and a small washer assortment..10 Bucks and change. Used only one of the O-rings.

I tore the whole inlet and piston assembly apart and the only thing out of the ordinary was the inlet tube was not ORIGINAL. I had some see thru tubing and cut me a new inlet tube and re-assembled the whole thing. While sitting there running clean water with 1/2 cup of KRUD KUTTER It sure enough did the same thing again.... I was thinking Aw Crud I'm gonna have to pay the $80... Then after a couple more times I noticed that the top of the inlet hose had an air bubble that was slowly growing... Water receding back down the tube. I removed the inlet hose slipped an O-ring on the threads and wrapped it with plumbers tape, slipped the hose back on and put a hose clamp on it... PROBLEM SOLVED!!!!

I played with that thing for an hour and it never faultered. I guess it's human nature to start with the most major problem and work our way backwards to find the simplest solution.

Here's a picture of my latest PIECE OF JUNK that works like new.

Notice the hose on the sprayer? Just bought that at the Flea market for $7 the one on the floor is the kinked one.


The bar that lifts the piston has a screw with a washer holding it in place... It was broken off but I drilled it out with my reverse drill bits from HABOR FREIGHT.


This is the paint strainer that was on the intake hose... Can you guess what it's made from? (I already figured it out.


MZ-HANDYMAN (I guess I am pretty handy huh?)
 

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How much time did you spend getting your eighty dollar sprayer. Buying it. Ebaying for the gun. Hose #1. Hose #2. Flea market trip. O ring trip to harbor freight. Tear it apart. Put it back together, Krud kutter.... Sounds kind of expensive to me.
 

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Discussion Starter #8
How much time did you spend getting your eighty dollar sprayer. Buying it. Ebaying for the gun. Hose #1. Hose #2. Flea market trip. O ring trip to harbor freight. Tear it apart. Put it back together, Krud kutter.... Sounds kind of expensive to me.
All together now that everything is said and done I'm in for about $150.00 But I've already painted a fence and stained a deck with the PISTON sprayer... So I'm in the plus a couple hundred and have 2 working Airless sprayers.

Bro-In-Law wnats to buy the Diaphragm Airless for $200.00 So I think I did pretty good.

NOTE TO AIRLESS USERS: Never put the airless in the room you're painting, you just coat it with overspray and make it look like you don't care about your equipment. Thats why the hose is over 25 feet long.

MZ
 
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