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post #11 of 19 Old 05-28-2012
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Re: Westerbeke - no start post inj. pump rebuild.

Cannot place what you mean by crushable heat sheat, pictures would help.
If you test all 4injectorts you can hand crank the engine and see if pump and injectors deliver.
I agree with you that the sealing of the injectors in the head is a possible problem. Better make shure that was done as per manual. Did you forget to remove the previous washers and now have two?
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post #12 of 19 Old 05-30-2012 Thread Starter
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Re: Westerbeke - no start post inj. pump rebuild.

Injectors and pump are doing their job. Now I'm thinking I was just too much the wuss when torquing down the injectors. I did it by feel, but I'll go back with a torque wrench tomorrow. 12 ft.lbs. may be more than I'm thinking.
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post #13 of 19 Old 06-28-2012 Thread Starter
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Re: Westerbeke - no start post inj. pump rebuild.

FYI - After pulling pump and injectors and taking them back to the shop, everything looked great on the bench. All injectors firing.

So I put it all back together and now it works like a dream. Can't figure out what was different so I have to conclude that the bleeding process requires the portholes to be open. That was the only difference today!

But it works so I won't question why. Thanks all for the suggestions.
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post #14 of 19 Old 07-02-2012
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Re: Westerbeke - no start post inj. pump rebuild.

Hopefully, other Westerbeke owners are making a note of that little-known porthole requirement

Tom K

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Northern Chesapeake Bay

Ambition is a poor excuse for not having enough sense to be lazy ~ Steven Wright
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post #15 of 19 Old 07-05-2012
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Re: Westerbeke - no start post inj. pump rebuild.

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Originally Posted by Down2TheC View Post
FYI - After pulling pump and injectors and taking them back to the shop, everything looked great on the bench. All injectors firing.

So I put it all back together and now it works like a dream. Can't figure out what was different so I have to conclude that the bleeding process requires the portholes to be open. That was the only difference today!

But it works so I won't question why. Thanks all for the suggestions.
G;ad to hear you had success. Betcha feel a LOT better.

What does your owner's manual say about bleeding? Sometime RTFM does actually help. Could it be that when you replaced them you torqued them correctly?

Stu Jackson, C34, 1986, M25 engine, Rocna 10 (22#)
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post #16 of 19 Old 07-05-2012 Thread Starter
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Re: Westerbeke - no start post inj. pump rebuild.

While that's true, it wasn't the cause of the previous failure. When I got the torque wrench I found that I had more than prescribed torque and a subsequent compression test proved that the injector install was fine. (tested via glow plug ports.)

As for the manual, I did that bleeding procedure many times because there wasn't much else to do. As rationalization I'm claiming that the shop found something wrong when they put it on the test bench. They had it in there for an hour before calling me in to see it working. Not sure if that's true... but it relieves me of responsibility for loss of a month on the water. So that's my story and I'm stickin' to it.

6 hours on the lake yesterday (where temps were 10-15 degrees cooler than the 99 on shore) made it all better anyway. I have a boat again so why ask why!
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post #17 of 19 Old 10-29-2014
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Re: Westerbeke - no start post inj. pump rebuild.

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Originally Posted by Down2TheC View Post
have to conclude that the bleeding process requires the portholes to be open.
Could you elaborate ? after changing my filters, I think I am lacking pressure at the injector level and think I am missing something in the bleeding process.
any help appreciated.
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post #18 of 19 Old 10-30-2014 Thread Starter
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Re: Westerbeke - no start post inj. pump rebuild.

That was a joke. Bleeding procedure is not impacted by the porthole position.
But if you're getting flow at the injector nuts, you should be golden. You won't see any evidence of pressure there. Verify each injector nut has flow one by one. If I go that far, the engine normally fires up on 2 or 3.
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post #19 of 19 Old 10-30-2014
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Re: Westerbeke - no start post inj. pump rebuild.

Yeah. I realized after googling Injector Port Holes
What should be a good cranking time for the engine. I know more than 20s could damage the starter. But if the pressure is correct, the engine should start in what ? like 2-3 try of 5s each ?

I found this post very detailed about bleeding a Westerbeke 40.
Winterizing Sea Dragon

But still no luck so far.
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