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Just got back from Garmisch a few hours ago. Want to look a bit in the forum before bed. The A9 was a mess just before München. So now I cant sleep. 😛

I KNOW its different. Do not waste your money on it. I KNOW someone in the forum might want it. If it works.

That I would not say. You have to compare what they do, and how they do it.

Peter did a rebuild thread and wrote what Trafo he bought, because the old one is not to be had. And yes you need one. The good thing, is that the Trafo for the A11 is used in both the 50-60 hertz models as well as the 400 hertz model. Most people think the 400 hertz A11 is junk, and its not...

No. Not now anyway. Back in the mid 70's, and it was mostly just replacing parts. Its easy to see whats bad. And 99% of the time it was the card. So we "found" a few bad ones, and ordered "extra" parts to repair them with. Peter has repaired A11's.

It cant start. When you have just the A&B jumped, it will only turn over the engine, not start. For it to start it then has to reverse the S9-1 contacts, at about 300 RPM. This below is from the MEP-006 book, but its the same as your set. 14-17. General. a. The speed switch, driven by the...

Yes, and yes. Its fixable, if you have the tools and know how. Kurt has made a bomb proof replacement for that card. Do not worry about getting it hooked up right when done. Its not hard. Do take the S/P relay box someplace where you have good light. Do NOT mark the wires. Put them back on using...

In the dark, with a flashlight in my mouth, wind blowing and the thermometer at 12 degrees! Yes sir. That will motivate you!! Also, the sending units. You can unscrew the outer "can" and look inside. Both the oil press switch and the temp switch. It is very common that a wire inside the switch...

Nice pictures. See mine that I inserted. They tell you what is what.

In the almost 30 years I f look at these things, never, ever, have I seen a heater. They just were never issued to anyone not in Alaska.

The two taped up wire are for the heater. Oil press switch. Oil sending unit. Temp sending unit. Temp switch. Right behind the day tank.

😂 Thats for the diesel fired heater. Ignore it. Its normal. Never saw one installed in all the years I worked on the set.

What missinjg part? 3. Hook the oil pressure switch back up. 4. Unhook the Water Temp switch. Insert a paper clip in pins A&D. 5. Start the set, and see if it runs after you let S2 go. If it runs, you need a Water temp switch.

Put J5 back on, and put your jumper in the oil pressure switch cannon plug.

Correct. Part of the circuit I showed you, runs through that card.

Bench is good.

Yep.

Typeo. Should be 120 VAC. The terminals are for 120 AC, they feed the full wave rectifier which energizes K7.

Start here: 1. Remove the jumpwer wire between TB101-3 to TB101-9 2. Oil pressure switch. Take the plug off. Insert a paper clip in pins A&D. Start the set, and see if the set runs after you let go of S2. If it runs, you need a oil pressure switch. If it stops: 3. Hook the oil pressure...

If you are going to jump the TB 101, just hook up the C-Plug to S9 and see what happens when you start it.