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I was once told that when you have a different subject to bring up you start a new post, so I am but it is still in regard to Alternators. On a recent post I was dealing with a N1506 Alternator and found that the alternator itself was bad. I went to Forestry Division who is handling parting out...

This is a 3 fold question 1/ I am having difficulty locating the test procedure for this regulator and I am asking if any one has it and would like to share. 2/ They seem to be quite pricey and before I purchase one are they any for sale within the group new preferably and what kind of price do...

Hey y'all, I have a Fire Department that is wanting to add the availability of air pressure to a hose to fill tires or whatever. I know that this sounds simple but I thought that first I would run it by because I know somewhere out there someone has an incredible idea and needs to share it with...

I am finding as I get older that it is expedient to humble yourself and claim ignorance rather than repair and find out how this stuff is really assembled. On these torque arms I notice that the ends are constructed differently than the M35/ The M35's the Bushing get pushed out and that takes...

Gentlemen: About 2 weeks ago I had a generator load up with water on the fuel side/ So I removed filters, drained the injection pump, cleaned the lines and checked my diesel supply ie I cleaned the tank/ So I went to start it and it seems I lost prime and need to replace the quad rings at the...

Gentlemen; I have a charging problem and it goes like this/ The Battery configuration is 2 group 31 batteries/ The system has been very functional for over a year/ Now I have the 12vdc side draining while it's running and my charge rate on the 24vdc side is acting like the parasitic draws we use...

I'm once again turn to the folks that have worked on these critters. I have a PTO winch that will not work. The problem is electrical. All the switches are good, good power source, and the PTO is engaging and the light on the panel shows it. The problem I am having is finding the connectors to...

I had the task last week of repairing grabby brakes on a M1078 and went ahead and recorded a video for the novice to at least get an idea of what was behind the braking on their truck as far as the wedge chamber was concerned. Don't know if it is of interest but I hope it helps someone as much...

I guess the simple question would be to ask if there is a Troubleshooting Chart for the Hydraulics System? After reading the Manual I read how to disassemble and reassemble but it never explained the function of the check valves and flows of the oil/ My valves were leaking oil out the front of...

I know that there have been questions and comments on the removal of the square 4's and replacing with commercial batteries. I have done several for Fire Service and Municipalities so I thought I would film one and put it on You Tube for all to see. Comments and criticism welcome/...

I am working on a Fire Department M1087. The reason I start with that statement is so you will know that I do not know what happens to these vehicles before I get there. I have been correcting issues with the truck overall and I believe I am about to resolve that this unit took a shot of...

This is the second time it happened. The M1078 got stuck and one tire alone spun killing any forward or reverse progress so I am writing the question, HOW DOES ONE ENGAGE THE DIFFERENTIALS INTO 4WD OR IS IT MY IMAGINATION THAT THESE TRUCKS REALLY DON'T COME WITH 4WD? The first time it happened I...

Maybe senility has set in and the powers of observation have dwindled but I cannot find in all the manuals a schematic for the circuit breakers (looking especially for CB65) depicting where the power comes from and where it goes to. I'm sure its somewhere. Please somebody prove me an idiot and I...

Yes, I have downloaded the Tech Manual and thank you for sharing that. My question and I haven't found it in the site is that pertaining to Software for Computer diagnostics of the system. Is it obtainable? And where might it be located? And has any person on this site done it and know it? I...

Gentlemen: I think I really have searched thoroughly for the map for the pin locations on the wiring connections for the transmission on the M1078/ 1997/ Now specifically the one I need is the round quick connect just to the right side rear of the transmission. Allison provides the one for the...

I have a M1083A1 that has some electrical problems that I assume involve relays. Now my problem is that I have a TM for M1078 and in comparing the picture of the PDP on the 1078 it is different from the 1083. I am trying to locate the Horn Relay and on the 1078 it is K32 and on the top part of...

Production date 10/98 (see guys I'm learning) I want to replace the door glass that goes up and down. I've searched the threads and can't seem to find anyone else who did this. I searched my manuals and I have found all the flat glass replacement but not the door glass that goes up and down. My...

I sure could use some educating on the use of the website. I have asked questions, got tremendous answers, and just when I thought I was getting the hang of how to use this website I discovered I was so wrong. I need to replace a driver side door glass on a M1083 and I thought for sure getting...

The Basic Question is what happens when you turn your master switch on and off? I know this is going to bring out bizarre replies but hear me, please. My problem is random shut down of battery power, both 12vdc and 24vdc. If it shuts down momentarily while it is running it will stay running and...

I am in need of parts for my front left Meritor Wedge brake. I did manage to remove the guts from the wheel cylinder. I do have kits. But my Brake chamber and wedge are not per se salvageable. The Chamber and tube I could probably reuse if I had to but the Wedge and Spring and the rod that runs...