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03/14/09 |
          
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His men would follow him anywhere, but only out of
curiosity. This man is depriving a village somewhere of an idiot.
How I do what I am doing-
I will have to say, getting parts apart that have been together for over 50 years is not easy. At first I relied on brute strength and a impact driver, when that failed I stopped and used my head. I used a couple of different rust looseners; Liquid Wrench, PB Blaster, Beck's Beer* and Kroil- of all of these Kroil worked the best. I sprayed Kroil onto the nut, bolt, or part, then giving the bolt a few sharp taps, letting it penetrate. After a a couple of applications most bolts came free. I did break a few, and some spun rather than backed off, for these, I drilled out the bolt, then used the impact wrench to snap the remains off. Getting the combat rims apart was a challenge- Removing a tire from a wheel, took 3 hours. I cut the tire from the wheel with a saws-all, then used a grinder and chisel to cut through steel cable on tire edge. I pried off remaining tire parts off of wheel, stuck with rust onto wheel. After removing the 10 combat lock nuts from the rim I then proceed to lightly tap combat wheel with 15 lbs sledge hammer, after delivering 2-300 gentle taps on the wheel and using the Kroil technique (see above), I got the rim to separate into two halves. * Beck's Beer is used to lubricate the mechanic's mind while allowing the bolt to be penetrated with Kroil. Unlike Kroil, care should be taken while using Beck's (or your favorite beverage) as beer can have a disastrous effect if applied improperly or in too great a quantity
If I can do it...anybody can
My steering wheel was cracked, and bent a little, so, to restore it, I took a triangle file, opened up the cracks, and filled them with epoxy. After the epoxy set, I sanded all smooth, and then touched up some of the low spots and sanded the wheel again. After it was all dry, I gave it a several coats of gloss black paint.
After a lot of looking around and pricing, I decided to go with VDO gauges (see parts spreadsheet on diagrams page) and senders for my M37. I went with the 'Vision' series gauges as I felt they matched closely the stock gauges, but offered some innovative lighting elements that would help on dark evening rides. While the fuel tank was out of the truck, I installed the fuel sender, the VDO sender is just slightly larger than the stock sender on the M37, but it offers unlimited adjustment for tank depth. (picture of tank, new sender and old sender) Instead of trying to enlarge the mounting hole by a 1/16th inch, I removed the fuel line cover plate and fuel filter, and had ample room to install the sender. Following the instructions I measured the tank, marked off the depth and length of the fuel float according to the chart, and mounted them while the unit was inside the tank. The mounting holes lined up perfectly, though I did use a bit of sealant to make sure it was fuel tight. Here is a pic of the finished tank, outside, and inside (note, I did use a nylon cable tie to make sure the electrical wire did not interfere with the float.
I decided to add an electric fuel pump to my truck to ensure an adequate flow of gas to the engine. I used NAPA Posi-Flo Fuel pump, mounted to the drivers side frame, just rear of the shock absorber. I ran a new piece of steel fuel line from the tank to an inline fuel filter, then into the fuel pump, the pump then connects to the trucks fuel line at the junction near the center cross member. The poser supply come via a fuel pressure switch (PS-135) mounted just below the oil pressure sender on the engine. The fuel pressure switch will ensure that the fuel pump will shut off, if the engine stalls or quits, and the ignition is on. Fuel pump installation picture I replaced the entire fuel line to the carburetor at the same time. The fuel pump specifications are:
Note: the second fuel pump burned out as well, replaced it with a heavier duty marine grade pump. My voltage regulator went phlooey and sent a surge, the only part effected was the fuel pump.
After researching the issue of replacement wiring harnesses, and knowing my truck had been converted to twelve volts, I decided to build my own wiring harness. After mounting all the electrical parts, lights, gauges, etc. I began by running 14 gauge wiring in all the same places as the original harness. The only exception was adding circuits for the fuel pump, and all electrical gauges. This took two and a half spools of 100 foot wire, almost 250 feet of wire!! once all the wire was laid out and LABELED, I put wire ties about every 2 feet (to be removed later), at split-offs and junctions, I red a red cable tie and those wires tied together. Note nothing is actually attached to anything yet. Then the entire loose harness was removed from the vehicle and tape wrapped with 3M electrical tape. I bought three surplus unknown harnesses from AB Linn. These had the Douglas connectors, and plenty of them I needed for tail lights, headlights, and blackouts. (they were cheap two, and NOS). I used a 14 block fuse block mounted underneath the dash, all circuits are fused. The trickiest part of the whole procedure was the mess coming out of the firewall. I connected one circuit at a time testing each connection with a circuit tester.
M37 Electrical Wiring Diagram JPG version PDF version
Websites are something I do on the side, not my full time job. Here are a few of the sites I design: The Holden Arboretum, Reinemann Web Designs, Sabos Nursery, Red Oak Camp, Chardon Boy Scout Troop 190 "Army: A body of
men assembled to rectify the mistakes of the diplomats."
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This site was last updated 11/06/06
