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What have you done to your HMMWV today/lately

Mogman

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I got my transfer case put back together with the 27 spline input gear, I bought a used case so I would not have to wait while doing the transmission conversion, I got it from a member here with the understanding he had no history so it was not his fault at all that it turned out to be a pig, the shift forks were bent, moisture had wrecked the insides, would have been cheaper to just get another one but I know this one is tip top shape now, new output shafts, many parts from another member that had torn one down, all new bearings, new sprockets and chain, Kascar had the shim kit.
One thing I discovered is that none of the "rebuild kits" available on the popular auction sites are even close to being correct, the NP218 uses all full complement needle bearings and all of the kits have many caged needle bearings, the caged bearings do not have the load capacity of full complement bearings.
case inside.jpg
 
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Mogman

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I also got the clocking ring I am fabricating finished, this allows mounting the NP218 (with the 27 spline input gear) directly to the original 700R4 transfer case adapter at the correct angle using the stock 4WD 700R4 output shaft.
close up.jpg
low view.jpg
Ring mounted2.jpg
 
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Wire Fox

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Glad I bought a replacement screen before doing this job. This tank definitely needed one. That's very sludged. I've been working on cleaning out the tank this afternoon. Not much is working too well on that sludge. I'm currently giving gasoline a shot, since it's about the cheapest solvent one could ask for. It only seems to take two gallons to completely cover all of the sludge deposits to allow it to soak.IMG_20200419_182847.jpg

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TOBASH

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Glad I bought a replacement screen before doing this job. This tank definitely needed one. That's very sludged. I've been working on cleaning out the tank this afternoon. Not much is working too well on that sludge. I'm currently giving gasoline a shot, since it's about the cheapest solvent one could ask for. It only seems to take two gallons to completely cover all of the sludge deposits to allow it to soak.View attachment 796873

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Have you tried SeaFoam or engine degreaser followed by warm water attached to your pressure washer? Set washer at wider angle and be careful not to blow a hole into the tank, but should work really well. The warm (almost hot) water really makes the pressure wash effective.
 

Wire Fox

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Have you tried SeaFoam or engine degreaser followed by warm water attached to your pressure washer? Set washer at wider angle and be careful not to blow a hole into the tank, but should work really well. The warm (almost hot) water really makes the pressure wash effective.
Not yet, but I also lack a pressure washer. Makes me wish I had a large steam cleaner, as I hear that those are really the silver bullet on getting out this gunk in a hurry. We'll see what the gasoline does, then I can switch to a warm pressure wash with some borrowed tools if it comes to that.

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TOBASH

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Not yet, but I also lack a pressure washer. Makes me wish I had a large steam cleaner, as I hear that those are really the silver bullet on getting out this gunk in a hurry. We'll see what the gasoline does, then I can switch to a warm pressure wash with some borrowed tools if it comes to that.

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An electric pressure washer is maybe 70 clams. Amazingly versatile, especially in detailing under the hood and removing gum from your sidewalk.

Engine degreaser and a scrungie plastic sponge and elbow grease work BUT do you really want to inhale that poison?

Gasoline explodes. 2 drops is like a stick of dynamite as I recall from Chemistry 1 class, so do that crap outdoors and be careful.

Gasoline contains Toluene and Benzene and other great cancer causing chemicals and is absorbed via skin so I won't use it as a cleaner.
 
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Coug

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Glad I bought a replacement screen before doing this job. This tank definitely needed one. That's very sludged. I've been working on cleaning out the tank this afternoon. Not much is working too well on that sludge. I'm currently giving gasoline a shot, since it's about the cheapest solvent one could ask for. It only seems to take two gallons to completely cover all of the sludge deposits to allow it to soak.View attachment 796873

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As solvents go, gasoline isn't actually all that great, diesel is a better solvent, and biodiesel is a really good solvent (will eat the paint off of metal with repeat exposure)
 

Coug

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So today took the HMMWV out to a field away from the house and gave it a once over with the angle grinder and wire wheel in preparation for painting it later this week. Then a quick rinse with a pressure washer, followed by a goad soaking in Purple Power cleaner, and another bout with the pressure washer.

Main reason for the paint is so the BEOD will match the truck, decided it was better to just do all of it with a fresh coat of paint and go from there.
Pictures are after I washed it.
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5b4671a3bcb20eb694dc098e8d3d6ae5734a2302-1.jpg
5b4671a3bcb20eb694dc098e8d3d6ae5734a2302-2.jpg
 

Ajax MD

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A week or two ago, I mentioned having a weepy tire that bled down after 24-48 hours.
I successfully broke it down, cleaned out the groove and replaced the O-ring. No more leak.

I know this seems trivial, but I have no prior experience with 2 piece rims sealed by O-rings. Get it wrong, and you can explosively decapitate yourself. Definitely adhere to the TM on this one.
 

Chief B

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Put her to work this weekend.

Ended up hauling 2200 pounds of yard debris and at the dump had to do it through a lot of soft dirt with no issue. Only issue I had was waiting in line almost an hour to get back out of dump sitting there in the hot sun with no AC or shade!


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Bulldogger

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Put her to work this weekend.

Ended up hauling 2200 pounds of yard debris and at the dump had to do it through a lot of soft dirt with no issue. Only issue I had was waiting in line almost an hour to get back out of dump sitting there in the hot sun with no AC or shade!


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I've been doing the same. Started remodeling in January and just finished. Hauled 3 tons (!) of debris to the landfill using my HMMWV and M116A2 radar trailer. Now she's hauling the garage contents to my wife's house nearby. We're finally living in one house. HMMWV is doing fine, despite the tired engine and more tired 3L80.

Bulldogger
 

Wire Fox

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As solvents go, gasoline isn't actually all that great, diesel is a better solvent, and biodiesel is a really good solvent (will eat the paint off of metal with repeat exposure)
Perhaps this is true, but the gasoline sure did the trick. I checked on the tank this morning and it was all the consistency of diesel fuel. What was neat to see was how rapidly the gasoline will evaporate off and go right back to tar. I used my fingers to wipe the bottom of the tank in a fast test and in one minute, watched it go from diesel-like, to oil-like, and back to tar-like.

To finish cleaning this, I'm going to drain it direct into some low-cost filter, then run it back through the tank quickly to try and pick-up and flow out as much as possible. If I can wipe out most by hand and leave behind just what I can't reach as only a thin layer, I think running some fuel additives and doing an early fuel filter change will be able to take care of the rest.

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TOBASH

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Perhaps this is true, but the gasoline sure did the trick. I checked on the tank this morning and it was all the consistency of diesel fuel. What was neat to see was how rapidly the gasoline will evaporate off and go right back to tar. I used my fingers to wipe the bottom of the tank in a fast test and in one minute, watched it go from diesel-like, to oil-like, and back to tar-like.

To finish cleaning this, I'm going to drain it direct into some low-cost filter, then run it back through the tank quickly to try and pick-up and flow out as much as possible. If I can wipe out most by hand and leave behind just what I can't reach as only a thin layer, I think running some fuel additives and doing an early fuel filter change will be able to take care of the rest.

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Please wear benzene resistant gloves
 

Wire Fox

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An electric pressure washer is maybe 70 clams. Amazingly versatile, especially in detailing under the hood and removing gum from your sidewalk.

Engine degreaser and a scrungie plastic sponge and elbow grease work BUT do you really want to inhale that poison?

Gasoline explodes. 2 drops is like a stick of dynamite as I recall from Chemistry 1 class, so do that crap outdoors and be careful.

Gasoline contains Toluene and Benzene and other great cancer causing chemicals and is absorbed via skin so I won't use it as a cleaner.
I missed this original message, but I do appreciate the heads-up warning on it, particularly with the chemical exposure hazard. It prompted me (unfortunately, after the fact) to look more into it and understanding the hazard better. During the course of my cleaning efforts, I was wearing 7-mil nitrile gloves. The longest I wore a set was probably about 1 hour. I was washing up between gloves with soap and water, as I usually was de-gloving due to needing something from inside or just finishing a task and taking a break. All of the cleaning efforts were taking place in open-air, outside. For the most part, my contact was via intermittent splashing, as my work was mostly with handled scrubbing tools.

I'd think that this time, my exposure was fairly limited and I shouldn't find any long-term effects off of this, but I definitely will take much stronger precautions in the future to plan ahead and reduce exposure to anything with known hazards. This glove chart from Augusta.edu seems pretty neat. My nitrile gloves seem to be the right pick for most of the things I was working with, but I definitely can do better with my pre-planning.

 

Crapgame

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So I’ve refurbished two interior lights and was looking for options to mounting these. I want to put one over each front seat. I’d like to either mount to the front roof bow or between the bow and the B pillar. Any ideas or thoughts would be great. Thanks
I've seen HMMWV in Rifle Companies using a piece of plywood between the Windshield and B Pillar above the Driver and Truck Commander's seats with the M113 APC dome lights screwed or bolted to, along with map pockets, pen slots, etc. We were allowed to make NON-PERMANENT alterations to the trucks most of the time a piece of 1/2" or 3/4" plywood bought by the crew or senior person, painted black or OD using supply system or AAFES bought spray paint.
 
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