66babyblue
New User
Ive got an old Thomas skid steer circa 1970 and I'm having problems with the lift arms dropping suddenly. It won't happen if I press the pedal slightly but if I go too far it drops like a rock. I'm thinking its the control valve but not sure what part specifically. Anyone have an opinion whether new seal kit for that section would solve this or could it be the check plug? I took both check plugs out and the poppets looks ok but the bodies do have some wear so it might be catching on the body? Or do the spools themselves wear out?? This spool has a float section for grading. Anyone with any knowledge here would be greatly appreciated. Thanks