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Its been so long since I messed with this, I'll have to go back and look.

When I start the vehicle, it flashes HWY only for a few minutes until the first pressure check. Then it does the pressure check, I hear air noise briefly at the PCV, elephant noise in the back, then it goes to 5 flashing lights. I tried airing all the tires up to 75 psi manually. Still no...

Great question for one of the designers of the system. My gut feeling is to avoid using lube to be on the safe side. Aside from maybe on parts you can directly apply it to and wipe away the excess. But it goes without saying, I'm only just starting to learn how this system works.

I'm guessing this wheel valve is toast?

This thread is awesome. Was able to at least rule out my low pressure switch as a problem. Symptoms: Truck flashes Hwy as normal on startup. Attempts to operate when pressure reaches 120 (or when I jumper pins A and B on that circuit). PCU in cab makes an operatey type noise and then I hear a...

Excellent, thanks for the explanation! That makes sense.

Sorry to beat a dead horse, but I'm about to do the changeover to a chinese 21SI clone on my 923a2. I know multiple people have said don't use wires 566 and 568 for anything on this alternator. However, the -10 says CIRCUIT 566 - Controls a relay in the protective control box that prevents...

Its more than 25 years old, so looks like it. https://www.dmv.ca.gov/portal/wcm/connect/25ed8797-b74c-4aba-a717-3e8cdae51255/reg17a.pdf?MOD=AJPERES&CVID=

wire brushed, sanded off loose rust, blew off with air hose, and wiped down with acetone. 2 coats of por15 primed 2 coats of industral enamel the spray paint was probably overkill, but I didn't put por-15 over everything. mostly just directly to the rusted areas.

When I got my m923a2 out of ft hood a few years ago, it was missing the alternator. I bought one of the alternators out of one of the other trucks in that same auction from the scrap yard that won them. And that one had a bad voltage regulator. I wound up buying the wrong voltage regulator...

5/8 lug style 3/4 lug style The 3/4 lug style looks like it would be a little more robust, just because it seems like there's a better chance of getting the o-ring to seat evenly than on the 5/8 style. Can't really slip down, since it's resting on that lip.

I've got a 5/16 o-ring that I bought brand new. Will probably use that, though it does look like it will take a bit more cranking down on the lug nuts to get the top half of the rim to snug down properly. Just laying a 5/16 o-ring on it and laying the top half of the rim on top, it does sit...

Speaking of differences... the 3/4 stud rim is a bit different on the inside vs the 5/8 stud rim. Instead of a shallow depression that the O-ring sits in like on the 5/8 stud rim, this 3/4 stud rim has a narrow lip that the O-ring sits on top of/against. When the top half of the rim is bolted...

The dead Michelin is on a 3/4 stud rim and the Goodyear I'm swapping to is on a 5/8 stud rim. So you might be onto something. Will know a little more when we have them both apart. I dropped everything off at a tractor dealership for them to break it all down. Shouldn't be any problem...

From page 2-49 of 9-2610-200-14 "Never install a Goodyear beadlock in a Michelin tire or a Michelin beadlock in aGoodyear tire. Damage to equipment may result if tire components of differentmanufacturers are interchanged." I'm only asking because I want to swap the Goodyear off of the rim it's...

I don't trust those transmission oil temps. This was just with the vehicle stationary, in neutral.

If your fuel shutoff lever is stuck, take it out of the IP and soak it in a coffee can of old gasoline or similar solvent. Work it back and forth. I've had good luck unsticking them this way without having to take them all the way apart. They're kind of tricky to put back in. Take a picture...

Does the cutoff lever go to a fuel shutoff on the side of the engine like in the deuces? I'm assuming the LDS is the same/similar to the LDT in that regard. If so, stop trying to start that engine. Take the cover off of the fuel shutoff lever and make sure it moves freely. It should move...

Yeah, the fan didn't run long. Maybe 15 seconds. But it cooled that pipe down from 196 to about 182.

I did note also that my transmission oil temp got up to about 275 (according to the gauge) and the air compressor got to about 225 (measured by non contact thermometer). Not sure about those. One thing at a time.