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Mulemac01 M275 2 1/2 ton Gas truck tractor ON-GOING restoration and rebuild tread.

Tracer

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Looking good Mule! Gone from a Sows Ear to a Silk Purse! Take some vids for the rest of us when you get her out on the road!
 

MuleMac01

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Ok shes almost done now that the brakes work after fixing the shuttle valve, we backed the truck under the trailer tonight sorry for the crappy pictures. Stencils come tomorrow.

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MuleMac01

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The parade went well, my generator took a crap going to the parade and my volts dropped into the red zone, lucky we had a few trucks to give me a charge for 1 hour before we started moving. Ordered a new gen this morning.FB_IMG_1541996232111.jpgFB_IMG_1541970931161.jpgFB_IMG_1541970937930.jpg


On a side note do any of you guys know a unit in Vietnam or state side that had M275 trucks and there bumber numbers? I want to put the numbers on my truck.
 
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cattlerepairman

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If the batteries are significantly discharged , the little 25A generator has a hard time charging. Maybe charge the batteries with a proper charger and then reassess.

Sent from my SM-G950W using Tapatalk
 

rustystud

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New generator installed but only got the volts into high yellow maybe batteries are shot??also installed new spark plug wires.View attachment 748661View attachment 748660
The generator will only charge to what the regulator tells it to charge to. So I would guess the regulator needs adjusting or replacing. A good rule of thumb used to be, if you replaced the generator, you also replaced the regulator. A generator which had gone bad usually damaged the regulator too.
Even if your batteries where dead, the generator should show it was charging at the correct voltage level. It might not keep up with the demand of your electrical system, but it will charge at the correct voltage level, just not enough amps.
That is why you can run a vehicle without batteries in a generator system. As long as the engine is running, it will keep the spark going. You cannot say that in a "Alternator" system.
Though once you jump start a vehicle with an Alternator you usually can keep it running even with totally dead batteries. Just as long as the RPM's are kept up. I still remember bringing back home this old IHC truck with a totally dead/drained of fluid battery. We just added water and I kept up the RPM's when I came to a stop. It almost died at the end though. It took hours to get home and it had gotten dark. I needed to use the headlights, but when I got to our hill with all it's stupid speed bumps I had to slow down and creep over the bumps. Well the alternator couldn't keep the spark going and the lights at the same time so it started missing real bad . I ended up using a flashlight for the last mile home ! Oh and it was raining too !!!
 
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MuleMac01

Military vehicle collector
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Location
Las Vegas Nevada
Well I installed a new 28 volt 25 amp regulator and 4 rubber mount resilients today and that did the trick my volts are in high green so it looks like my charging system is ok for right now.

Special thanks to Dr evilporkchop for selling this regulator to me.

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MuleMac01

Military vehicle collector
879
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43
Location
Las Vegas Nevada
More work this week on the truck.
New gauges installed
New low air pressure warning light installed.
New warning buzzer installed.
Took off exhaust manifold and sandblasted it to replace gasket that blew out.
Also going to add a new carburetor

Also painted in high temp black paint the exhaust manifold.20190113_154303.jpg20190112_155909.jpg
 

Tracer

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Mule, I like that your not cutting any corners and doing the job right. In the end you will be rewarded!:goodjob:
 

MuleMac01

Military vehicle collector
879
125
43
Location
Las Vegas Nevada
More work today. Stripped the old exhaust manifold,and carburetor off the truck. Then Started to install painted exhaust manifold back on truck.20190119_155246.jpg20190119_155252.jpg
 

MuleMac01

Military vehicle collector
879
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43
Location
Las Vegas Nevada
Ok guys sorry for the delay on posting.


Here we go.. Put the extra exhaust manifold that was sand blasted and painted with high temperature black paint,and new Gasket set on the truck and installed a brand new NOS never been on a truck Carburetor now the truck runs so nice now.
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