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SECTION 5 - REFERENCE
25-point preventative maintenance checklist
[ ] 1. Check and clean (blow out) machinery/control compartment.
[ ] 2. Check and clean (blow out) main blower motors.
[ ] 3. Check and clean (blow out and brush) axial fans.
[ ] 4. Check burner blower motor and fan operation.
[ ] 5. Check and clean igniter assembly.
[ ] 6. Check and clean all orifices.
[ ] 7. Install pilot tee if oven is not so equipped.
[ ] 8. Check gas pressures; adjust as necessary.
[ ] 9. Check air-fuel mixture; adjust as necessary.
[ ] 10. Check ignition cable for signs of deterioration.
[ ] 11. Check and tighten all electrical connections.
[ ] 12. Inspect conveyor belt for damage; repair as necessary.
[ ] 13. Inspect conveyor frame pivot plates.
[ ] 14. Inspect conveyor shaft bushings - Replace drive side bushing.
[ ] 15. Check conveyor drive chain tension; adjust as necessary.
[ ] 16. Verify proper air finger arrangement; correct as required.
[ ] 17. Inspect and clean (vacuum) conveyor motor and motor brushes.
[ ] 18. Inspect conveyor motor sensor and magnet; verify correct spacing; adjust as necessary.
[ ] 19. Check conveyor speed control; verify belt speed to be within 10 seconds of set point.
[ ] 20. Verify that proper number of thermocouples are installed.
[ ] 21. Check temperature control with thermocouple source to verify accuracy.
[ ] 22. Check high limit safety circuit with thermocouple source to verify correct operation.
[ ] 23. Check cool down feature with thermocouple source to verify correct operation.
[ ] 24. Using the read function of the temperature controller, verify and record the high ambient reading.
[ ] 25. Verify positive ignition on cold start.
SECTION 5
REFERENCE