1. pumps do not work.
A. check whether the driving gas source is turned on and whether the driving pressure meets the requirements.
B. check whether cylinder head gas path is clear.
C. check whether the valve of the reversing valve is clear.
2., the pump action is suddenly accelerated, and the piston is driven to change direction.
A. check whether the pinhole of the end of the reversing valve has turned into Chang Tongkong.
B. check whether high pressure chamber of leakage valve leaks.
C. check to control leakage of trachea.
3. slow pump action
A. check whether the drive gas passage is blocked.
B. check to check if gas passage is blocked.
D. check whether the seal of the driving piston is leaking.
4., after setting pressure or holding pressure for a period of time, the pump will not stop.
A. check to control whether the gas path is leaked, mainly check the sealing of the spool and the spool of the reversing valve.
B. check whether the sealing of the outlet check valve is damaged.
C. check whether high pressure liquid seal is damaged.
5. the pump is not pressurized.
A. inlet one-way valve leakage
B. high pressure liquid seal is damaged. In this case, the liquid will be ejected from the muffler.
6. pumps do not keep pressure.