Old Buda Forklift

Spudm

Member
The brakes went out, and I am not sure how to replace the master cylinder or even if I can find one. I am only assuming this is the problem. Does anyone know the best way to get to it? The forklift is LP gas, a flathead engine, probably 50's or 60's model, I don't know, but it runs good.
 
Fill the master cylinder with brake fluid and bleed the brakes to see if that fixes the problem.
Check for any leaks. There may be a repair kit available. Hal
 
Most likely you can find a repair kit for the master cylinder. Most forklift manufacturers did not make most of their "industry standard" items- like brakes, engines, starters, and charging systems. At the approximate age of that unit, it is probably a Bendix, Lockheed, or Wagner master cylinder. A good likelihood that it fits other applications as well.
 
Typical master cylinder problems are 1) Leaking fluid from the rear seal. 2) Bypassing internally, as in the pedal creeps down.

Best solution is to replace it, they are usually rust pitted beyond repair. There should be a casting number on the cylinder that can be referenced by a good auto supply.

Also the wheel cylinders will need to be replaced or repaired. Something that old, unless it's already been done, will be leaking or stuck. Again, there should be a casting number.

Check the brake lines for rust, kinks, rubbed through abrasion. Check any rubber lines for rot, replace if you can find them. Keep everything clean, do not use petroleum based solvent, use spray carb cleaner, brake cleaner. If the shoes are worn they can be relined at a truck brake shop. If they are oil or fluid soaked, for off road use they can be cleaned with brake cleaner, sanded (caution asbestos!) and sometimes saved.
 
Thanks everyone for your replies!
There was no leaks that I saw, just the fact that the pedal went down to the floor board. I have not removed the top plate or anything yet, not sure how to, but I should be able to figure it out. It's heavy diamond plate.
 

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