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Chapter 8: Cleaning

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8.1. STANDARD AND AIR POWERED PUMPS #

WARNING

Cleaning should only be done by trained personnel. Failure to follow these guidelines may result in damage to the machine.

The exterior of the machine can be cleaned with soap and water. We specifically recommend against pressure washing the machine, as it may drive water or debris into sensitive areas.

(Cleaning procedure applicable for machines equipped with a Hot Bar)

If plastic has accumulated on the heat sealer bar, bring the bar up to full operating temperature, then wipe the plastic off with a clean, dry rag. Be very careful not to burn yourself on the bar as you clean it.

The interior vacuum circuits of the machine can be cleaned using the CLEAN CYCLE BUTTON:

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  1. Prepare a cleaning solution – never use a foaming cleaner, as this may damage the vacuum pump. Also, provide a container with a maximum capacity of approximately 2 cups/500 ml. This will ensure that the machine’s external vacuum pump filter is not overfilled (which might damage the pump).
  2. Press the CLEAN CYCLE BUTTON, to put the machine into a cleaning mode.
  3. Hold up the container containing cleaning solution to each vacuum probe. The solution should be sucked through the vacuum tubes and into the external vacuum pump filter.

WARNING

Ensure that the solution does not rise above the red warning line found on all external vacuum pump filter bottles. Excessive liquid may get into the vacuum pump, causing mechanical damage.

  1. Press the EMERGENCY STOP BUTTON to stop the vacuum pump. Then open the external filter and completely drain the cleaning solution. Reclose the filter and pull the BUTTON up, to restart the cycle.
    Repeat this cleaning cycle again, as necessary.
  2. In many cases, the vacuum probes can be cleaned simply with a brush and cleaning solution. If additional cleaning is required, remove the vacuum cover plates from each vacuum probe.
    • Unscrew the two knurled thumbscrews on each vacuum cover plate. The screws should be removed simultaneously, to avoid losing the clips which hold the screws and springs to the cover plate.
    • With the cover plate removed, it can be washed, in addition to the vacuum probes. Be careful not to scratch or dent the cover plate or vacuum probes, as this may cause a vacuum leak.
    • Reinstall the vacuum cover plates – screw in the two thumbscrews simultaneously, to avoid losing the retainer clips.
  3. With the machine in its cleaning mode, suck a small amount of water through the tubes and into the external filter. This will rinse the cleaning solution out of the machine. Be careful not to use too much water.
  4. Press the EMERGENCY STOP BUTTON to stop the vacuum pump, then drain and reclose the external filter. Pull the BUTTON up to restart the pump.
  5. For machines with electric vacuum pumps, press the CLEAN CYCLE BUTTON again to take the machine out of this operating cycle. It will be confirmed by the DISPLAY showing CV-TEK CORR-VAC®. The pump will then continue to run for 30 minutes to dry it out, and will then automatically shut down. Failure to thoroughly dry out the pump may cause mechanical damage.
  6. For machines with air-powered vacuum pumps, press the CLEAN CYCLE BUTTON one last time, to take the machine out of this operating cycle. It will be confirmed by the DISPLAY showing CV-TEK CORR-VAC®. The pump will then immediately shut down.

8.2. WATER-RING PUMPS #

WARNING

Cleaning should only be done by trained personnel. Failure to follow these guidelines may result in damage to the machine.

The exterior of the machine can be cleaned with soap and water. We specifically recommend against pressure washing the machine, as it may drive water or debris into sensitive areas.

If plastic has accumulated on the heat sealer bar, bring the bar up to full operating temperature, then wipe the plastic off with a clean, dry rag. Be very careful not to burn yourself on the bar as you clean it. (Applies only to machines equipped with a Hot Bar)

The interior vacuum circuits of the machine can be cleaned using the CLEAN CYCLE BUTTON:

  1. Prepare a cleaning solution in a 2 cup/500 ml or less container.
  2. Press the CLEAN CYCLE BUTTON, to put the machine into a cleaning mode.
  1. Hold up the container containing cleaning solution to each vacuum probe. The solution should be sucked through the vacuum tubes and out through the pump exhaust.
  2. In many cases, the vacuum probes can be cleaned simply with a brush and cleaning solution. If additional cleaning is required, remove the vacuum cover plates from each vacuum probe.
    • Unscrew the two knurled thumbscrews on each vacuum cover plate. The screws should be removed simultaneously, to avoid losing the clips which hold the screws and springs to the cover plate.
    • With the cover plate removed, it can be washed, in addition to the vacuum probes. Be careful not to scratch or dent the cover plate or vacuum probes, as this may cause a vacuum leak.
    • Reinstall the vacuum cover plates – screw in the two thumbscrews simultaneously, to avoid losing the retainer clips.
  3. With the machine in its cleaning mode, suck a small amount of water through the tubes and out of the pump. This will rinse the cleaning solution out of the machine.
  4. Press the CLEAN CYCLE BUTTON again to take the machine out of this operating cycle. It will be confirmed by the DISPLAY showing CV-TEK CORR-VAC®. The pump will continue to run for 5 minutes, and will then automatically shut down. The pump’s water supply valve will also shut down at this time.