Yale GLC060LCNSBE077BCS:
Cutting out while running and Transmission Fluid Spec......

I have what I THINK is a 92 Yale Lift.
Model # GLC060LCNSBE077BCS Serial Number: N513615
This old thing has been put through it but its still chuggin along.......kinda. After sitting most of the winter, I went to start it and the propane tank was empty. I refilled the tank and then it fired right up (as always). I ran it for about 5 minutes then it started choking itself out. It would idle fine and misfire, hard. It would do that for about 30 seconds then it would smooth out. However, when I went to accelerate it would absolutely fall on its face. It would spudder out and eventually die. I could get to crank back up but it would do the exact same thing. However, if I let it sit for about an hour, the cycle would start all over again. Fires right up, runs great for a few minutes then misfire, then no acceleration and dies out. I checked the plugs, they were fine. Thats about the extent of my knowledge on this machine. If it were a gasoline engine, I would be fine with diag but the propane is throwing off my diagnostic abilities. Any help?
Second question.......the transmission fluid on this machine, I cannot seem to find a solid answer on what it is. Some suggest Mercon while others suggest regular engine oil while some suggest hydraulic fluid. I would give anything to have the actual service manual but Yale no longer provides ANY support and every avenue I have searched has led me straight to a brick wall.
  • Posted 19 Mar 2025 05:35
  • Discussion started by Ryan_Evans
  • Ohio, United States
Showing items 1 - 1 of 1 results.
Ryan,

The transmission fluid on older transmissions is dexron 2. Now you use dexron 3. Some older heavier lifts will use JD tractor oil. The engine is pretty simple. The carb is called the mixer. Remove the top cover screws and look inside for oil and dirt build up. You should have two round flat fuel components that connect together. Where the line comes in from the tank, it connects to the lock off. This year of engine should have a vacuum line going to it. Connected to the is the regulator. This drops the pressure from the tank to the engine to about 3 to 5 PSI. Make sure there is no frost on either unit. Frost means there is a leak or no antifreeze is getting inside the regulator. There should be a plug that you can remove and drain the oil. Oil comes in all LP tanks and builds up in the LP fuel system. Run engine as long as you can to warm up the system. This will allow the oil to come out easier. You may need to replace both as old as the unit is. Suspect this has been done a couple of times. With the symptoms, you are seeing, suspect the LP system needs replacement or service. Remove distributor cap and check rotor. May have corrosion on both. Good Luck.
  • Posted 25 Mar 2025 00:28
  • Reply by Fishmech
  • Virginia, United States
The hard to do we do right away. The impossible just takes a little longer.

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