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Always through a transfer switch. AC travels through transformers in either direction. Yes, I understand you know what you are doing and linemen should always check lines, not assume they are cold. But in the event you backfeed, it isn't hard to find who is doing it. They will find you...

The function is to warm the air, making autoignition of the fuel possible when the injector pump "fires" for each cylinder. It is only used with the engine cranking, this draws the flame away. It will not function long if used while not cranking and will let raw fuel into the engine, BAD NEWS...

If I had a source of rectifiers and regulators, I could overhaul these easily. Bearings and seals are standard. As are brushes. I have another one to fix, the one I pulled. Will be sure to take pictures. Bear in mind there are 4 alternator "models", they are virtually interchangeable with...

Had this happen tonight. It was the 1/4" tube fitting leaking. The poly tube needs to be repaired, it isn't too durable to vibration. Be sure to get the insert...a trip to the local Home Depot in the plumbing section will net you the parts. You could use 2 fuel resistant rubber O-rings in...

TB 43-0001-39-8 regarding the DuVac rewiring calls for the voltage regulators on both 6Y1 Leece-Neville to be adjusted to the "HI" position I believe this is in error as the bottom alternator now pushes too much voltage out. It is not in the DuVac/TwinPUT system and it receives its regulation...

Yes, all but the 200 ampere CUCVs have split leg 24 volt systems. But that A battery alternator gets the most load, the B alternator only has to charge the battery after starter and GP loads. Which is why it is better for a 12 volt driven inverter since any loads here will not cause dimming of...

Exactly! If it is under 50 F, you should be golden, just watch the temp gauge! Direct injected engines have the most heat in the piston, the heads are relatively cool. And no full throttle, at part throttle, there is little heating.

A few weeks ago, I drove mkcoen's M35 to the Monster Truck Jam, the voltmeter was sick all day and had to jump it off the M1009 and slave charge. Tried to bump the regulator up, no deal. So today I had the time to swap the alternator out. Took the regulator end off his "spare", only to see it...

Put it on the SECOND battery. This way it will draw on the relatively unused battery. As long as both alternators are working properly, this will be a safe balanced load. You MUST run a line from the intermediate battery connection (it is at 12 volts with respect to ground as the negative...

And of what benefit is a 12 volt conversion? One less battery/alternator? Starters spin easier because current draw is 1/2. Solenoids last longer. And much like having 240 volt in your house, you can wire 12 volt loads from either side, just don't use body ground but two wires to each side.

It is real simple. In that browser address place, just type in the acronym for "Let me google that for you", then append .com It is just Let me google that for you Like this Let me google that for you

That rubber block does nothing but keep the lines in the correct position due to the key on the rubber piece. It will work fine without it.

Similar to R406a but requires lubricant change. If the old mineral oil isn't fully removed, there can be problems. It might last, it might not. There are 2 distinct problems with conversions, material compatibility and pressure-temperature relationship. The oils used with HFCs cannot...

Did the old ones come out whole? There are methods to remove broken off GPs without removing the heads.

Schedule a LOT of time for US 93 crossing of the Hoover Dam. TSA screens vehicles crossing the dam.

A 5200 mile road trip through most of the Western United States, visiting the VA hospitals along the way for support of mkcoen's organization. See his sig line for more info. I am but the vehicle engineer/wrench spinner. Just think of me as Scotty (James Doohan) to mkcoen's Kirk. And warp...

Yep. And my main mission now is to repair, recharge and make perfect the 42,000 BTU/hour air conditioning system. This is centered around the beautiful Frigidair/Harrison A6 axial compressor, the longish refrigerant lines (must properly support the joints, any vibration will kill seals), the...

I brought my camera today. And forgot the batteries:cookoo:. Spent all of 5 minuted diagnosing the problem, then 2 hours of traveling to get the part, then do assorted tasks before finally another 5 minutes of replacing the burnt diode (soldered the new one to the old leads, didn't want to fry...

Outstanding idea. Because the bottom alternator is what the voltmeter is reporting. And the 1010 has no generator lights, only the voltmeter. Now we were talking about a 12 volt outlet (lighter socket style) so a cheapie which plugs in there would do the trick! Cheap, simple and minimal...

I don't remember but mkcoen has spares and will post tomorrow. I think Catalog #: 276-1144 which are 1N5404 but that may be wrong. They look right. I do have a few onions now...and a dozen quarts of premium egg nog :-P. Yeah, what to do with 50 pounds of onions?