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CR1 is just there to prevent you from installing batteries backwards, otherwise you don't need it. but, you have other problems. power from battery goes to CR1, thru it to the throw of the dead crank switch, then when normal pos to the emerg stop switch, thru that to CB1 and then on to power the...

these provide load for the current sensing transformer so the load circuit knows the load.

well, if you spray electrics with water you may get problems. pull the top cover gen end and blow everything dry. the dust that comes in many of these is a good insulator when dry, but when wet who knows. i literally pull both top covers and pressure wash everything and then blow dry and have...

i posted the instructions, but this now sounds like a dirty fuel system problem, or an air leak. just keep it simple, this is a very simple system, so the problem will also be simple.

does not point to middle of PC, it points to the line to the left of PC. (just going by the ambac instructions)

http://www.ambacdiesel.com/product_images/uploaded_images/IF_No._3136.pdf

even more reason to talk to any potential customers and make some kind of sale

maybe they are making so much money that they just don't care. the problem with web sites is that a guy in a cave can have a wonderful website.

but at least their prices are low (more sarcasm) i hope they do well and thank them for the manuals they have even though they are easily gotten elsewhere.

it looks like they don't really want people calling

no more power without adding turbo, and then still a very slow truck, just like it was designed to be. turning up ip on non turbo just wastes fuel and overheats the engine.

if pump draws current, rf filters are ok. admit it, you have 3 bad pumps.

net says this turbo is good for applications up to 200 hp? and no wastegate?

i was reading the db manual to refresh since i am repairing a db4 myself and noticed it said to crank the engine with fuel turned off to prime the pump, then try to start. it also says to bleed each injector line one at a time. when you crank the engine, the booster pump still pumps fuel and it...

i got some very nice 803's but had to pay $7000 for the best one. i know that is crazy, but i guarantee you i will sell it and make money, it is brand new. 802's are also getting expensive and i personally inspect before the sale, lots are junk, some are very nice. pictures do not mean a thing...

so you probably have a DB4-627-**** read the manual and look at the pictures, you don't need to take it completely apart, leave the drive shaft in it if it turns easily. but first diagnose it more, booster pump pressure is important. linkage under top cover must be able to move freely for...

i have a gen head from a 806b i am scrapping, 60 hz. new condition as it had 0 hours. tom

so by now i guess you know, but the 003 will not crank if batteries are reversed. it's a safety function of a diode in the starting circuit. protects the rest of the system that does not turn on until it is running.

isn't that a 400 hz unit? not really worth anything in the civ world, but: left part is the govenor cage, right side is advancer unit. probably has stuck plungers, is it a db4 i think? john deere 5.9 engine? i have some NEW pumps for that! cheap! do you have low pressure fuel to it? what is the...

there is simply no reason to lap, nothing to be gained. you can use prussian blue to confirm the fit, that is all you need.