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Where is the center screw?

Finally got a chance to start the deuce again after all my July work. I have a slight weeping leak that appears to be from the shutoff cover gasket. But it could be the HH. Three new HH o-rings installed, new shutoff cover gasket installed. I also replaced all three fuel filters since doing the...

OK, so I changed the secondary fuel filters. The old o-ring gaskets were tough to get out. I suspect the mechanic who last replaced the filters just reused the old gaskets. They were hard and brittle and took about an hour or more for my wife and I taking turns to get them out with the help pf a...

I'll try draining the secondaries first and leaving the petcocks open. Thanks for the advice.

I have never changed out the fuel filters. In the past, a mechanic did it for me. The military manual states that the first step is to drain the filter through the petcock. I did so, but shut it off after much more came out than what I believe the filter can hold. Does the draining also empty...

It occurred to me that I have not replaced the primary and secondary fuel filters in many years. So I'm going to tackle that task before I start it up again and try to determine where the leak is coming from near the HH. I noticed in the military manual that there is a bleeding process for the...

Yes, it ran more smoothly. It did smoke until it warmed up. Later today when there is shade, I'm going to try to determine where the diesel leak is coming from. I will shield the area from the fan so I can see better where the tiny stream is coming from. The fan blows it onto the steering shaft.

The rust muck was all the way down in the hole in the HH that the line screws into. Tomorrow morning I will try to verify where the leak is coming from while it is running. Is leaking diesel from the HH base a possible symptom of a cracked HH?

It started up after a bit of cranking and letting the tank pump fill the low pressure lines. Runs a bit rough, but idles. Forgot to tighten down injector line #5, spitted a bit of diesel. Then while it warmed up, I noticed it was leaking from the base of the HH. This was where it was leaking...

That makes sense. When I get it buttoned back up I will do that, just to be safe, before i start it. Thank you for the tip.

OK, here's where I'm at. I've been working on the deuce on days I am not working, so every few days I have some time. I installed the o-rings, oiling them a bit. Installed the HH. Red tooth is centered on the pointer as it was when I pulled the HH. Installed the fuel cutoff shaft with the new...

Here's where I'm at. Everything went smooth with removing the fuel cutoff cover and sliding out the cutoff shaft. The cotter pin that everyone loses flew off and my wife found it on the ground with a powerful magnet. The o-ring was flat. Now I'm removing each fuel line from the top of the HH...

Thank you, everyone, for these bits of information. I'm hoping it will make my try tomorrow much easier.

OK, thanks. I have studied everyone else's mistakes described online, so I'm hoping I don't make the same mistakes. No one described what they did with the disconnected fuel lines on the top of the HH. I'm assuming I flag them for reinstalling, disconnect, loosen the line at the injectors...

Thank you for the advice. Replacing all three rings. My wife will be looking while I'm turning the jack shaft. That will make my life easier. Tomorrow is the big day. You may think this is a dumb question, but which way do I turn the jack shaft? Facing the front of the truck, clockwise or...

Thanks. I'll give it a try.

Thank you for the prompt advice. Where is the "jack shaft"? I'm not familiar with that term.

Hello, everyone! I have owned my 1970 M35A2C since 1999. I have been blessed with not many repairs, just alternator and water pump. Now my fuel injector is leaking on top of the shut-off lever housing. Reading everything here and watching the various videos out there, there is much info about...