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I found a reference in a TB 11-6115-741-24 that says the minimum compression for an '831 is 284psi.

I've had relays where the solenoid or the fulcrum was sticky, and as the relay cooled off they became stuck. Plus a couple that the contacts were micro welding themselves stuck intermittently (clean, polish and add a tiny film of conductive dielectric grease). Not much to do besides replace or...

Yanmar lists a special tool, TOL-97190060, but I can't find a compression number or a procedure in any of the Yanmar technical or service manuals that I have. The tool seems to be readily available online from several vendors, but not inexpensive. Also mentioned in a thread by...

I think of it as how the bolt could loosen in "righty righty, lefty loosely" and do the wire tension from there, but it is the same end result. One of the videos I looked at from a turbine tech ("Jet Tech") wrapped the "backside" wire around the bolt and under the primary wire and then used a...

I found several! Many with conflicting advice on what the FAA supposedly requires, which is fortunately not an issue for me, but lots of good suggestions on technique. Thanks. All the best, 2Pbfeet

Yes to #1, and #2, though for sure not enough practice! #3: I thought that I did ask a pro.;) And yes, I probably should just hang out at the local aviation watering hole. and, yes, I have several different diameter wires. It probably says something that I find the results aesthetically...

Any tips for us amateurs?

@Mr4btTahoe Are you sure that your fuel isn't gelling?

This is all I can see on the above photo. Looks more like a board and rev number than a part number to me.

The E1074 is an Airtex pump.

Thanks @kloppk for posting the link. That is one odd switch wiring. @BrnH2ORat Make sure you check the datasheet. The Honeywell switch turns off both of the contacts at one end, diagonal on in the middle, and the other contact off at the other end. Check page four of the datasheet...

In my Yanmar manual the illustration is for the dipstick just resting at the threads, I.e. not screwed in, the L100 Yanmar part number is 114699-01760. I don't know if it crosses over to the L70, but I believe the same cap was used on all L-series engines. Available on e-bay for about $10, or...

Oh, yes. Low compression would result in a less than ideal combustion, and therefore further over fueling as the governor advances the fuel lever at the high pressure pump. However, and it is a big however, those washers are notoriously difficult to see at the bottom of the injector tunnel...

Great point! These wires are tough but sharp edges and wires are never a great combination in my experience. There is a similar edge on the '803s as well, IIRC. I remember adding some additional wire management in that area on mine to get wires up and away from an edge. All the best, 2Pbfeet

@Toolslinger that all sounds as if you are making great progress. Good luck in getting the unit back up to full service! All the best, 2Pbfeet

A dead short is a low resistance connection (short) between two conductors. After a lightning strike, I think that going over every single electrical connections is prudent. I would bear in mind that relays, contractors, and breakers have all been known to weld contacts shut, and between...

Yes, the trouble with a well sealed enclosure is what inevitably happens and water gets in. Everything is as strong as its weakest link. Personally, I think that the synchronization / transfer switches are located in a pretty harsh location (on a fender, out in the weather and road spray...

Merry Christmas, and a Happy New Year! Thanks to everyone here for their efforts to make and keep this place special. All the best, 2Pbfeet

That's great that you plan to keep a close on eye the generator. Running a diesel engine out of fuel is not great for the injection pump(s) as the injection pump relies on the diesel for lubrication. Being a very tight tolerance mechanical item, it doesn't take much to trash an injection pump...

That's a great first step, but there is still the connection at the end of that line (dirt, debris, scratch, etc.) for a possible site for a leak, and the pump itself. For the unit that I mentioned above, there were no bubbles in that line, they were getting in just at the connection to the...