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Also worth popping the top covers off and checking all the wire terminals. Look for anything loose or discolored.

Both GAS and DIESEL are checked on the application chart for that pump. The application specialist I talked to on the phone gave me that one as one of the options to replace the E1074.

Looks awesome!

I don't know if they will get any more. :sad:

It only let me order one. :(

Ug. Not a good spot to try and braze a TEE and Schrader valve.

Did they tap the stub or one of the actual supply/return lines?

It sayes in the service manual if im not mistaken that it is not serviceable. Obviously that doesn't mean it can't be serviced.

There are no connectors if its like mine. Just a crimped stub.

Take some photos if you don't mind. Are you going to do a nitrogen purge first? Attaching fittings?

Everyone needs to know that the replacement pump is functionally identical but not mechanically identical. The fittings are 3/8" instead of 1/8". Adapters will have to be applied to make it work.

Summit finally canceled my order. I called Airtex today and talked to one of the technical folks. He said they were bought by Carter and all the Airtex parts were being "replaced" by Carter products. He told me the closest pump going forward will be a Carter P74016. Its slightly higher flow but...

With the wiring you are describing its most likely the motors on the compressors. Edit: When I'm running in 115v mode on the 831 I also jumper L1 and L2 at the generator.

What is the wire size between the generator and loads? If you are running in 115v mode you'll need at least #10. If you have a pretty fast volt meter with a high/low capture feature you can capture the voltage range at the AC unit and at the generator during a compressor start and see if you...

I recently ordered 3 and its been a back and forth of backorder shipping dates. They say they are going to send them as soon as they can get them. Right now looking at the end of this month. I hope they don't end up canceling the order. I need to replace a failed one now.

Just checked Summit and it now shows the pump as "NOT AVAILABLE". :(

Hate to sound like a broken record but you need to start with the manuals. You can download them from the forum. There is a link at the top of the page for "Technical Manuals" aka TMs. Go through the wiring on the machine and look for anything loose or disconnected. Check EVERY WIRE. I'm not...

That's my thought is there is a leak somewhere allowing the system to drain back into the tank. Just for grins maybe remove and check the seals on the filters.

Hm.. As a test set it to prime for like a minute before you try to start it. See if it dies after it starts.

The hard lines should not loose prime. If they do you have a problem. How much air air do you get out? If you crank longer will it start without priming it?