1. Check buttons, knobs, and indicator lights to ensure they are securely fixed and not loose; buttons should be easy to press and knobs should rotate without obstruction; indicator lights should be bright, with correct and vivid colors; contacts should have good power; and operation should be reliable.
2. Check the condition of the oil pipes and electrical wiring between the electro-hydraulic control box and the main unit. Oil pipes should be undamaged, connections secure, and leak-free; electrical wiring should not be exposed.
3. Check the oil pump. Operation should be normal, and there should be no leakage at the oil seals.
4. Check the oil tank. Ensure the oil is clean and the level is sufficient.
5. Check all oil valves. Their operation should be sensitive and coordinated throughout the hydraulic cycle; there should be no leakage at the joints.
6. Check all pressure gauges in the oil circuits. The gauges should be clean, the pressure display sensitive and reliable, and the valves should be properly adjusted.
7. Clean all sliding and rotating parts, removing dirt and lubricating them daily.
8. Wipe and clean the machine body, control panel, molds, and accessories every shift.
