Sorry for the "interrogation"! Just trying to understand if the facts are as they should be, from personal experience it's sometimes easy to get things reconnected in a configuration that on the surface appears correct but in function is total f@#*ed up!

I will assume that in this predicament you've used the starter for what seems like a sufficient period of time to bleed or push any air from the fuel lines and filters leading up to the IP.

If this is true and from the previous post everything else is straight I think you have to look at the lift pump not delivering sufficient volume and/or pressure.

You can test it situ with some type of adapter and gage for pressure, volume is measured by capturing the return flow over a period of time.

For the volume measurement you get the flow started and use a container to capture the return flow for a period of time and then compare it to the spec, it either is or is not.

For the pressure you need to get into the pressure loop after the lift pump and measure the pressure. The factory method uses a special banjo bolt to which a hose and gage are attached, and a double length banjo bolt to Siamese that second banjo fitting into place. You need an additional third crush washer and they should be new in order to seal things up correctly.

An alternative is to fabricate your own method to access the pressure loop; one way to accomplish that is to get hold of a spare banjo bolt for the 60X filter stand. Either the smaller fuel inlet bolt or the larger outlet-IP bolt, although the large canister filter bolt would work also. Then you need a smaller banjo bolt and a small banjo fitting and crush washers, you can easily find such a small bolt and fittings as the IP oil feed line on 615/616/617 engines! Then drill and tap you spare 60X banjo bolt for the 61X small banjo bolt. Attach a gage to the small banjo fitting, then to read the post lift pump fuel loop pressure, remove the standard banjo bolt from the loop, install your modified bolt/fittings/gage and after you sufficiently bleed the air from the loop you will be able to read directly the pressure in the loop.

From your earlier and related threads it seemed like the issue was isolated DV lack of fuel, but it sounded like you where getting fuel from other DVs. That indicates that the lift pump on that IP was functioning enough to pressurize and fuel the IP. It might be the quickest and easiest diagnostic to swap the lift pump which appeared to be functioning from your original IP with the one on your replacement IP which appears to be, assuming everything else is straight and it's been bleed and spun enough, non-functioning.

The only hoses that are a real issue to effect fueling will be any attached pre-lift pump which could possibly suck air; post-lift pump if they leak it will be messy and unless the leak is massive won't prevent fueling of the IP.