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Showing results 1 to 11 of 11
Search took 0.00 seconds. Search: Posts Made By: rlopatterson
Forum: Engines and Propulsion Systems 05-06-2014, 11:23
Replies: 14
Views: 2,264
Posted By rlopatterson
Re: Injectors Help

It was the injector seats. Injectors tested perfect, cleaned them up and put back on the engine with new copper washers and cleaned the carbon with seafoam spray, shop towels, etc. Tightened...
Forum: Engines and Propulsion Systems 02-06-2014, 07:31
Replies: 14
Views: 2,264
Posted By rlopatterson
Re: Injectors Help

Injection shop said it is a clear issue that the only thing sealing from the pictures were the threads. PO replaced the sealing washers with the wrong type, size and material or did not replace at...
Forum: Engines and Propulsion Systems 01-06-2014, 16:06
Replies: 14
Views: 2,264
Posted By rlopatterson
Re: Injectors Help

Issue: Engine hunts at idle under 1K RPM. Runs as if there is a miss. At idle when running goes from hunt to smooth idle. Idle is set at 850 RPM and tested with scope to match tach. Diesel...
Forum: Engines and Propulsion Systems 01-06-2014, 14:14
Replies: 14
Views: 2,264
Posted By rlopatterson
Re: Injectors Help

Main question. Would the injectors not sealing properly as seen in the pictures, cause a bad running issue?
Forum: Engines and Propulsion Systems 01-06-2014, 11:44
Replies: 14
Views: 2,264
Posted By rlopatterson
Injectors Help

We are diagnosing rough running issues. Fired the mechanic as he blamed compression as issue and engine needed to be rebuilt. We rechecked the compression on the engine and perfect 450 psi on each...
Forum: Engines and Propulsion Systems 01-05-2014, 12:14
Replies: 0
Views: 879
Posted By rlopatterson
Wiring and Gauges on Westerbeke 46

I ran into another issue with our once very reliable W46. When starting the engine, the tach takes time to come up. After warm, the volt meter starts to read over charge - pegged. The other...
Forum: Engines and Propulsion Systems 25-04-2014, 12:46
Replies: 11
Views: 3,219
Posted By rlopatterson
Re: Westerbeke Hunts-Misses at idle

I called a couple of Mitsu parts dealers. The few that carried or could get parts for the 4DQ5 asked directly if it was a Westerbeke. I would have to lie to them in order to get real parts. One...
Forum: Engines and Propulsion Systems 25-04-2014, 12:03
Replies: 11
Views: 3,219
Posted By rlopatterson
Re: Westerbeke Hunts-Misses at idle

Replaced engine mounted fuel filter and filled with Seafoam before installing. Ran it through and not different before/after.

Leaky injectors would usually get white smoke?

Yes, I am about to...
Forum: Engines and Propulsion Systems 25-04-2014, 11:58
Replies: 11
Views: 3,219
Posted By rlopatterson
Re: Westerbeke Hunts-Misses at idle

There was a 60# difference in #2 that was just under spec. We didn't think it was enough to cause too much panic or the cause?

Idle is currently set @ 850. 1000 is where it evens out. Set by...
Forum: Engines and Propulsion Systems 25-04-2014, 11:23
Replies: 11
Views: 3,219
Posted By rlopatterson
Re: Westerbeke Hunts-Misses at idle

Fuel is good.

Did think maybe pump is not creating good pressure at low RPM or the injectors not firing. Injectors were recently done. Don't want to go pump route until exhausted all other...
Forum: Engines and Propulsion Systems 25-04-2014, 11:00
Replies: 11
Views: 3,219
Posted By rlopatterson
Westerbeke Hunts-Misses at idle

I have a Westerbeke 46 that is based upon a Mitsubishi block that hunts really bad between 600 and 1000 rpm in a Pearson 365. It also sounds like it diesels more than it should over idle.

- The...
Showing results 1 to 11 of 11

 
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