Hello. Just bought a 1998 cgc25. After about 2 ft of lifting roughly 2000lbs off the ground, the secondary cylinders start raising up and the main cylinder starts bleeding down. Can someone please tell my if it's the main cylinder or spool valve or any other ideas? Thank you.
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Yup, Seen that many times on several makes.
Make sure the Internal snap ring fits tight.
Valve is blown out on bottom.
Also if you are not familiar with seal the lip goes toward fluid
Yes. Please Replace your Seals while apart.
You will Fix It!!
Ok great. I'm changing the small valve with a spring at the bottom of the piston in the middle. Hopefully this is what you are talking about.
The "Safety" Valve is normally mounted Outside the Cylinder. " Anti Burst Valve."
The "Sequencing or Lowering" Valve are normally mounted at the Bottom side of the Piston on the Center or Free Lift Cylinder. ( Inside) the Cylinder.
Are you talking about the safety valve inside piston?
Agree with sequence valve , or main lift cyl pressure seal damaged
Wel, Normally this points to the "Sequencing" Valve in the Free Lift Cylinder. It is Blocked Open or Broken. You normally have to take the cylinder apart to inspect it.
I would say it is the main lift cylinder. Make sure there is no binding of the carriage in the channel. If there is well then that is the problem.
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