This should help. The single hose from the place where the two hoses attach going to the rear. is connected either to a fitting on the side of the tractor (elbow) or to a pump forward of the distributor. If it goes to the side behind the engine, it has a belly pump AKA real name "Liftall". There should be a second hose or pipe fittings that "T" into the place where the cap is located. The cap is (originally) a heavy bakers hat style knob with a dip stick under it on a flat washer that keeps it from falling in the hole. The dip stick should be sanded clean and it should have marks on it. If not the oil should show an inch or two up on the stick. It is not finicky about level if it is on the stick it has enough. It can take 30wt engine oil (non detergent) or Hydraulic oil. Filled into the cap with the dip stick. Total capacity is about 6 quarts. Another reason it might not be working is that there is a second control rod going to a lever on the side of the transmission This rod must be pulled back to operate the pressure to the system. The Pump only works if the engine is driving the transmission. Either in gear moving, or in Neutral with your foot off of the clutch. The pump is connected to what is called a Christmas tree valve (which is what IH oldsters call it) It is just a control valve for 2 way hydraulics, and is controlled by a rod (or thick wire about 1/4" in diameter. This is an optional original component from Farmall. If the filling and second lever being pulled produces no joy, the pump might be either not being driven, it has a short drive shaft under a plate on the bottom of the tractor. If the hoses (two) go forward to a pump on the engine, it has live hydraulics. It should also have oil to the stick, but it will work when ever the engine runs, clutch in or out. Let us know what you have. Jim
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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