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Old 18-05-2008, 06:32   #1
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pirate Yanmar Timing?

I recently had the injection pump rebuilt on our Yanmar 4JH3-DTE. After reinstalling the new pump and injectors and bleeding all lines the engine will not start. I have fuel to the pump and fuel to each injector. On reinstallation I realigned the pump by the timing marks on the engine from Yanmar. My only guess is that the engine timing somehow is off. We are on the boat in Bocas del Toro Panama and I cannot find any information on the net regarding the timing procedure for the motor. Any suggestions or help would be greatly appreciated. We are quite literally dead in the water.

Mark
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Old 18-05-2008, 09:03   #2
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I have seen it before,perhaps not your problem. Make sure your electronic shut off mechanism is not stuck in engine shut down mode.
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Old 18-05-2008, 16:02   #3
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Yes.....to that one.

Also, and I have seen this, make sure your exhaust system is free of all water.

Many times, I have seen people who have cranked the "bejeezus" out of their engines fill the waterlift muffler/exhaust lines up. Cranking the engine alone will not blow this "plug" of water out. If they can't "exhale" they won't start.
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Old 18-05-2008, 17:20   #4
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Thanks for the comments guys. Any suggestions on how to by pass the electrical shut off? I was under the impression that the electrical shut off turned off the fuel. If that is correct I have good fuel flow to each injector. Am I correct in my thinking?

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