Common Faults and Solutions in Juice Beverage Filling Machines

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Update:Nov, 22 /2023

It is inevitable that issues may arise when using a juice beverage filling machine over an extended period. This does not necessarily indicate a problem with the quality of the equipment. Just like any other machinery, minor malfunctions can develop with time. While these issues may not immediately disrupt operations, if left unattended, they can escalate into more significant problems. Therefore, it is crucial to understand some basic maintenance methods for juice beverage filling machines. While contacting the manufacturer for repairs is a valid option when problems occur, for minor issues, waiting for manufacturer intervention may prove to be time-consuming and detrimental to productivity.

Here are some common faults in juice beverage filling machines and their solutions:

I. Foam at the Bottle Mouth

Possible Causes:

  1. Failure to close the air valve, leading to continuous air and foam production when no bottles are present.
  2. Damage to the "O"-ring seal inside the air valve, preventing proper closure.
  3. Incorrect air release timing.
  4. Process-related issues.


  1. Adjust the friction between the fork tightening block and the upper fork shaft on the liquid cylinder to ensure that the air valve closes.
  2. Replace the "O"-ring seal, noting that the "O"-ring is a critical component and should be soft and elastic.
  3. Ensure that air is released after filling is complete, allowing excess gas in the bottle to rise to the mouth before detaching.
  4. Adjust the beverage production process.

II. Underfilling

Possible Causes:

  1. Inactive valve, stuck valve, or failure to open the water valve.
  2. Blockage in the air return tube, hindering the release of trapped gas in the bottle.
  3. Damage to the rubber seal where the valve meets the bottle mouth, impeding smooth liquid flow.


  1. Inspect the valve to ensure that the spring and rubber valve seal are functioning correctly.
  2. Check the air return tube's water cap for obstructions and ensure that it can be adjusted vertically.
  3. Replace the damaged rubber seal.

III. Insufficient Gas Release from the Air Valve

Possible Causes:

  1. Damaged "O"-ring seal.
  2. Deformation of the reset spring.


  1. Replace the "O"-ring seal.
  2. Replace the reset spring.

IV. Machine Instability During Operation

Possible Causes:

  1. Wear on the shaft of the spring box or key with the axis getting stuck.
  2. Dislodged rollers or worn-out bearings.
  3. Wear on the large worm gear.
  4. Motor malfunction.


  1. Check the spring box.
  2. Replace rollers and bearings.
  3. Inspect and replace the large worm gear.
  4. Examine the motor.

These are basic methods for addressing common issues with juice beverage filling machines. If you have any doubts about the nature of a problem or the recommended solutions, it is advisable to contact professional after-sales service engineers or the equipment manufacturer to ensure the problem is resolved correctly. Regular equipment maintenance is also key to reducing future faults.

TAG:  Beverage Filling Machine  Juice Beverage Filling Machine

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