Good and regular maintenance is very important to the lifetime of the injection molding machine.Below is the maintenance schedule of common injection molding machine.
| Time Scope | Care and Maintenance |
| Every 500 operation hours | Check the oil level on oil tank and make sure that it shall not be lower than the oil level line. |
| Every 6 months, or every month if the water quality is poor. | Check and clean oil cooler. |
| 1000 operation hours after the machine is first put into operation | Replace or clean oil absorption filter; Replace hydraulic oil. |
| Every 5000 operation hours or 1 year | Replace hydraulic oil; Replace or clean oil absorption filter; Check high-pressure oil tube, if necessary replace it; Inspect the motor. |
| Every 20000 operation hours or 5 years | Replace the gasket inside hydraulic oil cylinder; Replace high-pressure oil tube. |
| Every 3 years | Replace the cell of system controller. |
| Every 5 years | Replace the cell on operation panel. |