When choosing a cleaning agent for a laboratory glassware washer, you should consider the following factors:

1. The composition of the cleaning agent: Choose a cleaning agent suitable for cleaning glassware, and choose a product that is non-corrosive and does not leave harmful substances. Avoid using cleaning agents containing oxidants or strong acids and alkalis to avoid damage to glassware.

2. Cleaning effect: Choose a cleaning agent that can effectively remove dirt, grease and other pollutants. The cleaning effectiveness can be evaluated based on the cleaning agent’s instructions or other user feedback.

3. Machine requirements: Make sure the selected cleaning agent is compatible with the laboratory glassware washing machine and meets the manufacturer’s requirements. Some machines may have restrictions or recommendations for specific types of cleaning agents.
　　
Operating procedures usually include the following steps:

1. Pretreatment: Preliminarily clean the glassware that needs to be cleaned, such as rinsing away most of the residue with water first.

2. Add cleaning agent: According to the instructions of cleaning agent, add an appropriate amount of cleaning agent into the washing machine. Follow the manufacturer’s recommendations for the correct concentration.

3. Loading vessels: Place the glassware to be cleaned into the lab bottle washing machine, making sure it is not overcrowded so that the water flow and cleaning agent can fully contact the surface of each vessel.

4. Select program: Select the appropriate cleaning program according to the function. Common options include express wash, power wash, or specific types of warewashing.

5. Start cleaning: close the door of the washing machine and start the cleaning program. Wait for the cleaning to complete according to the time and requirements of the selected program.

6. End of cleaning: After cleaning, open the door of the washing machine and take out the clean glassware. Check that utensils are dry and free of residue

Routine maintenance work includes:

1. Regular cleaning of the washer: According to the manufacturer’s recommendations, regularly clean the interior of the washer, including the filter screen, nozzles and other key components. This helps to maintain the performance and life of the washer.

2. Check the supply of cleaning agent: regularly check the supply of cleaning agent, and add or replace cleaning agent in time.

3. Troubleshooting and maintenance: If the cleaning machine breaks down or its performance declines, perform troubleshooting and maintenance in time to ensure its normal operation.

4. Regular calibration: According to the manufacturer’s recommendation, the cleaning machine should be calibrated regularly to ensure the consistency of cleaning effect and performance.

5. Cleaning around the washing machine: keep the area around the washing machine clean, and remove dust and dirt regularly. This helps reduce the risk of contaminants entering the cleaning machine.

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Please note that the above are general recommendations, and specific operating procedures and routine maintenance may vary for different glassware washing machines. It is recommended to refer to the user manual of the cleaning machine you are using or contact the manufacturer.