I bought this same kind of DS, with the QC setup. Remove your standard DS from your machine/pump, and match the thread size with a plug (mine has a square bolt head), and just use the new QC DS injector. It will work great. I use a bucket with a pvc hose that an intake filter on the end that goes in the bucket, weighted down by a piece of pvc pipe slightly larger than the hose. Hope this helps!
Thank you, Shrevewasher, but I have already fixed my setup (please see above thread)
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This is the golden thread I’ve been looking for. I have the same machine and it’s having the same problems. Literally did the same stuff this guy did with no luck on getting the injector working. This thread just made life so much easier. I ordered the same pump setup he did along with three 3-5 gpm fixed injectors so I have spares on me. It’s time to trash the trash pump and put the X jet away (thank god). I love this forum
Did you have the injector installed backwards like he did? Lol
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Haha no. I learned you cannot run 2 consecutive injectors. The design of them just doesn’t allow it. I’m excited though for the new pump 
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Well the new pump definitely did the trick! This thing is a beast! says it only puts out 4 gpm but it really puts out 5 (bucket test) and the injector works perfectly for what I’m aiming for which is a 10:1 ratio (I have 3 fixed injectors on the way, I had this adjustable one laying around so it’s temporary). Super pleased. A big plus also is that I have a QC for the garden hose and before it leaked and the way this is designed, it’s rock solid ! 0 leaks and every drop of water goes straight through the tips.
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Why the choice for a direct drive?. Would have been a good time to upgrade to a geardrive.
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just wanted a quick fix 
Cheap and simple
Did you happen to do that with the high pressure tips? Because the motor will spin the pump a little slower when under full load.
Tested with no tips in the gun then with my soap tip on my quad rod. Both put out 5 gpm in a bucket while sucking half a gallon of solution Through the injector in 1 min
So its fixed? Can pull chems with gun?
Yes sir. The unloader Is better too, doesn’t break my arm when I press the trigger to spray. The kickback before was awful
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