Thanks so much TD
My 57 uses Type A and some others I have had used Dextron in a pump like this. I just don't want to mix and match.
The PS isn't working right and is hissing and groaning. If I fill it to the top where it says to it belches out until the pump is half full or so.
You wouldn't happen to know if there is a screen or filter inside the main hydraulic tank? There is a round access bolted into the tank where the hoses connect.
Can answer all of most all.
Please email me at:
forktruk@yahoo.com. This is so we may communicate without tying up the thread so much.
I worked for a Clark dealer seven years. Ran our own independent 1979 to 1992.
For now: Your problem is probably air in the POWER STEER system:
Jack the steer axle up and block it free of floor.
Add "some" Dexronn to the pump. Some is defined as enough to make it work, but not blow it all out.
With steer free of floor, "some Dexron in pump to function, engine idling,...
Gently turn the steering wheel either way to get steering movement.
As you get movement, observe. You should lower you pump tank level, but get bubble, squirts, froth, etc in return,
This is a sort of touchy/feely stage. Assuming air in the system (hoses-actual steer cylinder), it will exhaust to the pump
tank and your fluid will be lower. May need to replenish fluid before reaching the direction stop on axle for that way.
Just add add and continue till full stop that way.
Then...
Start all this over steering the opposite way. This should clear you to steering OK without the noise/jerking.
If it is not this, you have a pinhole/loose clamped fitting on your return/intake side.
There is a filter in the tank. It has nothing to do with your steering on any IT 40/50 I've seen.
Please email. Will go into detail on your engine ID, tune up, fuel (gas/LP), advice on the lift/tilt cylinders, steer axle problems. etc.
forktruk@yahoo.com
Roger Johnson
Tupelo, MS 3801
Zip i 38801