MF135 oil pressure gauge line leak

Compost · Jul 1, 2017

I've got a leak in the oil pressure gauge line near the top of where the right steering gear is bolted on. It's a steady drip and needs to be fixed. The part number is 194706M1. Are the original lines still available anywhere, or do you have to make your own line from copper tubing? Are there any flexible oil line tubings that can be used? I don't know what caused the leak, but I'm guessing it's where the metal has been rubbing against that steering connection for 50+ years.

ptfarmer · Jul 1, 2017

I make them using 3/16" steel brake lines that you get at a auto parts store, they are straight, the have several length's, and have the flared ends. Real easy to bend them into shape by hand.

rockepg · Jul 2, 2017

Plenty of auto parts stores will sell copper line kits too if you want to go that way. They use compression couplers. Nothing wrong with brake line either.

peltsi · Jul 2, 2017

(quoted from post at 13:38:12 07/01/17) I've got a leak in the oil pressure gauge line near the top of where the right steering gear is bolted on. It's a steady drip and needs to be fixed. The part number is 194706M1. Are the original lines still available anywhere, or do you have to make your own line from copper tubing? Are there any flexible oil line tubings that can be used? I don't know what caused the leak, but I'm guessing it's where the metal has been rubbing against that steering connection for 50+ years.

If the line is broken just from where it rubbed agains the frame, you can also just patch it with some wire and solder. Fixed a fuel line and an oil line on mine with that.. The fuel line was already "repaired" with a glue snot by someone before me

Hope this helps.

Compost · Jul 3, 2017

Went to the NAPA store today to get a replacement line. First one was a thin plastic tube with the wrong couplings. Then a copper tube with several adapters but only one coupling of the kind needed. Then the guy says " this is just brake line tubing. I can get you a 40 inch line with both connections already attached". So, remembering what was said about using brake line I thought I would try it. Worked really well, but did take awhile to get it positioned. Pushed the line from the engine back, then bent and pulled it up to the pressure gauge. Attached that end and then made a large loop up against the engine and back to the fitting on the engine block. I was really surprised how easily the tubing bent and did not kink. I think it's fixed but I'll let the tractor run for a while tomorrow. Thanks for the good ideas.

ptfarmer · Jul 4, 2017

The metal brake line works really good, replaced a few oil pressure lines over the years. Haven't had one made from a metal brake line fail yet, adding the loop will make the line hold up to vibration a lot better (lets it work like a spring).

MF135 oil pressure gauge line leak

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