When there is no preventive maintenance checklist to perform servicing, the following steps can be taken to establish an effective preventive maintenance program:

1. Equipment identification: Identify all equipment that needs servicing, including its make, model, and age. This can be done by reviewing equipment manuals, inspection reports, and work orders.

2. Define maintenance tasks: Determine the maintenance tasks that are required for each piece of equipment. This includes inspecting, cleaning, lubricating, adjusting, and replacing parts.

3. Determine the frequency: Determine how often each maintenance task should be performed based on the manufacturer’s recommendations, equipment usage, and environmental conditions.

4. Assign responsibilities: Assign specific tasks to individuals or teams and define their responsibilities. Ensure that they are trained to perform the tasks and that they understand their responsibilities.

5. Create a schedule: Create a schedule for performing maintenance tasks based on the frequency determined in step 3. Ensure that the schedule is realistic and takes into account any potential disruptions to production or operations.

6. Document the checklist: Document the preventive maintenance program by creating a checklist that includes the equipment details, maintenance tasks, frequency, responsibilities, and schedule. This checklist should be made available to all personnel who are responsible for performing maintenance tasks.

7. Monitor and evaluate: Regularly monitor and evaluate the preventive maintenance program to ensure that it is effective. This can be done by reviewing maintenance records, analyzing equipment performance, and making adjustments to the program as necessary.

By following these steps, you can establish an effective preventive maintenance program, even if there is no existing checklist. This program will help ensure that equipment reliability is maintained, prolong equipment life, and reduce downtime.