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So yes, if you go on ebay you can find tons of 3.5mm diesel fuel line. It's very common on Mercedes Benz etc. mostly made by Continental. rubber hose with a braided cloth covering. That said, you can also use plain rubber vacuum hose from the parts store. You want 5/32" . However, Viton is a...

Don't be fooled into thinking the leak is coming from the seal between the metering pump and the block. There is nothing there but motor oil. Your leak is likely a return line that is leaking down from up top and pooling up around the metering pumps and governor / throttle linkage. Clean it up...

It sounds like you are just running the machine without a load? If you are set up to apply some load to it, I would get the batteries charged up fully and then run it under maybe a 25% load and see what happens. You may have a weak fuel pump that is not supplying enough fuel to keep you going...

Hello, well for starters, pulling off 1 battery cable should not have killed the engine. The alternator should have kept it going, so in addition to the rough running condition you also have a charging system problem. As to the rough running, I assume the engine rpm is fluctuating in tune with...

Some leakage into the crankcase is normal. There are 3 major reason for this, but suffice to say a small amount of leakage is normal. If you were to put a 5/8" socket on the blower wheel bolt and just give the crank a slight bit of pressure off of the bottom of the stroke, the air leakage should...

Also, gotta fix those high spots on the piston, it could hit the valves or cause hot spots in the cylinder.

I hear you... I agree, given the situation I say slap in a new valve, lap all 4 valves while you're there, replace the head gasket. Before putting it all back together just pop the head on and pressure test it again, if it seems good, complete the assembly and fire up. My only question would be...

The K1 circuit interruptor system is relatively easy to troubleshoot. If you push up and hold the switch do you get any power to lugs or the light come on while holding it? If not, first thing to do is take off the top cover to access the K1 relay in the back left corner behind the wall where...

Your main tank has a combination float in it that works both the aux. pump as well as tripping the "low fuel" warning light and it shuts off the fuel pump when you get almost empty, so you can't just move the lines around, you would need to bypass the low fuel warning circuit. Now, if you were...

If your compressor can't keep up, you will probably find an obvious problem once you get the head off ( which is a very simple job ) Probably gonna find catastrophic valve damage on the bad cyl. , something more than just a small leak. If you can't see any valve damage, flip the head upside...

Found it, Onanparts.com $12 each. https://onanparts.com/index.php?main_page=product_info&products_id=573

I just bought 3 of the new style head gaskets for that motor, I paid $12.99 each. let me see if I can figure out where they came from. I know it was a diesel supply store I found on-line by googling the PN of the head gasket. Never search for parts by looking up "Mep-002A head gasket" you will...

Let us know what you find. If you have a bad gen head, I'm not far from you in West Greenwich and I've got a spare gen head for an 802.

Check the DC circuit breaker inside the control panel, right next to the gray fuse holder for the alternator, make sure it hasn't popped out. It's the black button mounted to the bracket sticking out to the left of the AC select switch.

Since you refer to the tube as $80 a foot I assume you already purchased a replacement? If not I recently bought some hose from Rock Auto, for cheap. I used marine exhaust tube to replace both sections of air intake hose. I think I paid more like $12 for a 17" length for the "Bent side" and...

I think I know your friend that you bought this machine from... I sold an 802a to a guy named Nick and I think his uncle? ? This past summer. He was telling me about this machine and the melted intake hose and bad switch and wanted to know if I had a spare master switch to sell him. I'm in RI...

Agreed, the unit in the picture you posted earlier looks better than 75% of the machines I've had. Like they say, If it ain't broke.....

I've seen several units which appear undamaged as far as the enclosure, but the exhaust pipe has seriously dented into the raised lip around the opening because it had hit it at some point and was now only 1/2" away. Not sure if the mounts are flexible enough to let the pipe hit the enclosure...

How did you test your batteries, did you check just voltage or did you do a load test? Sounds to me like you have 1 or more batteries that are taking a surface charge and appear to be at or above 12V but have little to no amperage behind it. You should either load test, or have a local parts...

So are you getting black smoke out of all cylinders? or is it a different color? ( blueish or light gray )