9. Insufficient work pressure
(1) The layer is too thick: reduce the layer
(2) The die setting stroke is adjusted too low: adjust to the appropriate position
(3) Filter plugging: Cleaning or replacing the filter
(4) Oil pump damage: Replace the oil pump
10. Oil leakage
(1) Cylinder oil seal aging: replace the oil seal
(2) Loose high pressure oil pipe joint: tighten the joint
11. Motor oil pump noise
(1) Oil pump rotating rubber particle wear: replacing rubber particles
(2) Filter plugging: cleaning filter
(3) Hydraulic oil loss: add hydraulic oil
(4) Oil pump bearing damage: replacement of bearings
(5) Oil pump shaft end oil seal aging: replace oil seal
(6) Motor bearing damage: replacement of bearings
12. When the speed is slowed down or rising, the crash cannot rise or fall.
(1) Aging of the cylinder seal: replacement of the seal
(2) Solenoid valve spool wear is serious: replace the solenoid valve
(3) Pressure oil viscosity reduction: replacement of pressure oil
(4) Poor board contact: check the line
(5) The main road cannot be switched: check the line
(6) Solenoid valve stuck: clear valve body
