Solutions for Troubleshooting Filling Machines

Category: FAQ

Release time: 2026-04-08

Summary:

During operation, filling machines may encounter issues such as inaccurate fill volumes, leakage, clogging, motor malfunctions, electrical faults, and operational abnormalities. The following are specific troubleshooting solutions:

### Incorrect filling volume or no material discharge

- **Check the throttling valves**: Ensure that the speed throttling valve and the filling‑interval throttling valve are not closed; if they are, open them. If the filling speed is too fast, adjust the throttling valves to reduce it.

- **Remove Foreign Matter and Air**: Inspect the quick‑connect tee‑type control valve for any foreign matter; if present, clean it out. Also, check the flexible hoses of both the control valve and the filling nozzle for air; if air is detected, minimize or eliminate it as much as possible.

- **Inspect the sealing rings and valve spool**: Check all sealing rings for damage; replace any that are damaged. Examine the filling nozzle’s valve spool for jamming or delayed opening; if jammed, reinstall the valve spool; if there is a delay in opening, adjust the thin‑type pneumatic cylinder throttle valve.

- **Adjust spring tension**: Inspect the tension of the upper and lower compression coil springs inside the quick‑connect tee control valve. Excessive spring force may prevent the check valve from opening; adjust it as necessary.

- **Inspect Seals and Magnetic Switches**: Verify that all clamps and hose fittings are tightly sealed; if sealing is inadequate, make the necessary adjustments. Also, check that the magnetic switches are securely fastened and tighten them after each adjustment.

### Leakage Issue

- **Replace seals**: Aged or damaged seals are a common cause of leakage; inspect and replace them promptly.

- **Adjust the filling head**: Ensure the filling head is in optimal working condition to prevent leakage caused by improper adjustment.

- **Secure Pipeline Connections**: Regularly inspect pipeline connections to ensure they are tightly fastened and free from looseness, thereby preventing material leakage at the joints.

- **Cleaning and Maintenance**: For special products, care must be taken when cleaning and maintaining the equipment to prevent seal leakage caused by crystallization or precipitation.

### Bottleneck Issues

- **Identify the blockage location**: First, determine the location of the blockage and close the corresponding valve to prevent further material flow.

- **Select a Cleaning Method**: Choose an appropriate cleaning method based on the material’s characteristics, such as disassembly and washing or high-pressure air‑gun blowing.

- **Regular Cleaning and Maintenance**: The best way to prevent blockages is to perform routine cleaning and maintenance on equipment, ensuring smooth material flow.

### Motor Failure

- **Check motor temperature and speed**: Prolonged operation or overload may cause overheating, unstable speed, or

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