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Was attempting to drain the water from one of the units in work--setting up for a cooling system flush. After opening the pet cock, no liquid came out. Pulled the lower hose and then removed the shutter control thermostat housing and found it 95% clogged with mineral deposits of some sort...

Got another unit in the shop and started working the basic fuel, coolant and coolant checks and then got to the wiring. First thing I noticed is that someone has connected the three load side cables to the line side terminals. (See photo.) I have to assume that they either had a...

Greetings to everyone. Been away for a few years, mostly working away from home, but now back for awhile and trying to give some attention to a few languishing MEPs. For this one, it's 1977 vintage unit showing signs of neglect based on the mixture of sludge/water in the fuel tank. Day tank...

Picked these up the other day in a government debris pile (soon to be burned) while doing an equipment pick up in Florida. They were mixed in with a few trailer (or Deuce?) bows, which I grabbed also. (I did have permission to load anything I wanted from the pile.)

I don't own either of these models but have placed a few bids when they are fairly close to home base. It always seems like they bring tons of cash but at the same time I've seen a few comments on how difficult they sometimes are to troubleshoot and return to operational status. I've also seen...

Looking through the TM schematics for wire # P55BB18, but so far have not been able to find it. If anyone can locate it on the schematics and also it's purpose please let me know. Looking inside the exciter/VR assembly it connects to a ground bracket that holds four components that appear to...

Ok this one has become another mystery that I could sure use some help with. I'm working on two of these sets & both had the same problem--the percent power meter was bouncing whenever the sets were running. Both would read as loads were added but you had to just average the needle movement...

Does anyone know if the meters on these three units can be swapped out from the other models? In particular I'm looking at the percent power meter & the AC amp meter. Also, besides the freq meter, what about interchangeability of these meters from a 400 hz unit? Can a percent power or AC...

This is a running unit that hasn't been started in about 8 months. Hooked up hot batteries, primed fuel system & then went to light-off & got no starter action, only fuel pump running. Starter is known good but I will be doing a "hammer-encouragement action" on the solenoid in a short while...

Anyone know where I can obtain a repair or rebuild kit for a Tuthill FR152 Piston Hand pump? The one I have has the Tuthill logo, but I believe the Fill-Rite model is the same. This is a lever-type (not rotary) fuel transfer pump rated at 20 gals per 100 strokes. I can buy new pumps all over...

Just completed a single-phase conversion & have begun load testing. While adding load (at ~70%) I noticed freq meter jumping up and down a little (from 60 to 60 1/2 hz) & I could also hear engine speed changing in sync with the freq changes. Looking at the loads on L1 & L3 I then noticed I had...

Hello to everyone. Been out of country a few months. Using our "shop generator" the last few days while working on another MEP-4, I noticed the alternator was not charging the batteries. Found a blown fuse on the alternator. Checked all connections & both batteries checked out fully charged...

I'm doing some outdoor mechanic work this evening (sleet/rain mix in the FL panhandle) and will be running one of the "bench units" to power my air compressor, several heaters & lighting. The last time we ran this unit it shut down after about an hour of running. Fault indicator light for "no...

Finally got around to doing a check-out on one of the MEP-016Ds I got in a few months back. It had good oil in it and fuel in the day tank so I fired it up and it ran great & produced voltage. Didn't run it too long though as I noticed fuel seeping out onto the shop floor. Lifted the unit up...

Probably off-topic but does anyone know a source for the steel shelf brackets that are found with the Cadillac (~9x7) storage containers? I don't have a photo available yet but the brackets are roughly 2" x 2" "double sided" and they slip into the vertical channels at the corners & center of...

I mentioned this in an earlier thread but it was unrelated to oil light problem so I'm starting a new thread in case someone else runs into the same problem. This unit was received in back in February of 2013 and it took several months before I could get to the pre-start maintenance and fluids...

Looking into a setup at my brother's house on the gulf coast where we could install one generator to power two houses. Both houses are 100% natural gas for stove, HW heater & clothes dryer. As for electrical loads, both have central AC & the larger of the homes has multiple window units on the...

OK guys--different set, different fault indicator bulb problem. Oil light will not come on when power switch is turned on (DC circuit breaker pushed in). Test mode shows bulb is good. 1st thing I will test is the S/R/S switch. Anything else come to mind from anyone? I did a search in the...

OK for the few of you who work on the water-cooled models, I just did a "1st for me" light-off for this unit & I've got an under-frequency indication but freq meter is reading 60 hz. Tried to reset several times, but no change. Closed the AC breaker and tested voltage & frequency at L1, L2 &...

Does anyone have a COTS part number for the end bearing? Hopefully this would be from someone who has successfully installed the bearing & run the generator with no problems. From what I can tell the NSN is 3110-00-277-0420 and I've narrowed the part down to an SKF 3606 (or equal). On their...