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The push-lok hose arrived today. Having a difficult time getting it seated on the fitting....any suggestions to get it seated?

I re-used the old fittings off the original lines and used fuel injection hose clamps to secure everything. They seem to be holding nice and tight....will see how they hold up. I have the fuel valve put back together and it works pretty smooth working the selector back and forth. Just...

Well....after checking around the local area, no one could give me an idea or wanted to give me any suggestions as to what to do for the fuel return lines off the valve. So, I went to NAPA and got some 3/8inch fuel line, and then came back home and cut the brass crimps off the old lines and...

I bought a dual feed fuel line kit and spin on fuel filter kit from Ken Spencer. I was piecing everything together (sort of pre-assembly), what a great kit to purchase. I told him I had the M818 and he made sure that the correct fittings for the fuel valve were included. It is a well thought...

On the supply lines, I cut off the hose and cleaned all the brass fittings. They look like they will be fine to re-use. The return lines look like I'll need to have to take off the fittings and see if I can re-use them and have them crimped on the hoses. Have to find a place to do that...

I'll check and see if I can re-use the fittings and order some of the push lok hose from Parker. One of the things I'm trying to figure out, while draining and cleaning things on the truck, I found that someone had un-plugged the wires from the backside of the headlight buckets. I started...

So the feed lines are 1/2inch and the return lines are 3/8inch? The Parker push lok hose (836) looks like it is compatible with diesel. Just have to figure out what size the threads are for the fittings....I'm assuming they are NPT?

Pretty sure they are the original ones

Drained the coolant out of it today.....pretty muddy looking. Will flush out the motor later. Want to get the radiator checked too.

Got an idea of where I can find the lines or where I can get the correct fitting on line somewhere? Thanks.

Went to one of the Mack truck locations in the area to see about getting the hoses made for the fuel valve...they wanted $30 to have one hose made and said the other one they would have to take apart and reuse the fittings...going to check a few other places.

As per suggestions of members here, I used some 0000 steel wool to clean the inside of the valve. Now I need some new O-rings and I can put it back together. Gonna find a place in the area that can make new short lines from the valve. Be easier and a lot less of a headache for me. Now to get...

Got the fuel tank selector valve out the other day, took it apart tonight. Removed the hoses and will get new ones made for it. It was gunked up in the valve. Got it out and used parts cleaner to get the heavy stuff out. Still some gunk in it, what's the best way to get it clean and shiny?

I removed the fuel tanks for cleaning. I removed the spare tire rack....it's scrap because it was hacked apart before I even got it. Drained out the crank case. Next is to drain the coolant and pressure check the radiator. I have a "laundry" list of things to check and go through. The...

Ordered a replacement fuel filter kit and a dual fuel line feed kit. Then going to work on the tanks and replacing all the fuel lines to and from. Need to drain and clean the tanks. That will be a good start. Need to get the passenger side diamond plate fuel tank cover and the diamond plate...

If they were the stock lines I would do it in a heart beat....but they are all cobbled so I don't know what is original or scabbed together.

I'll check your post out. Those sound like a good upgrade.

Going to be tackling the fuel system with the 5 ton shortly. What fuel line should I use to replace what's there? Going to be replacing the filter and everything. Also going to get the dual tanks working. It appears they hacked into them and made a mess trying to keep it running.

I think at some point they couldn't get the truck started anymore so they let it sit there because they were getting newer 5 tons (923's) and they also had a couple of M915's there too.