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Quench System – Monthly PM

A monthly preventive maintenance check of the quench system to inspect and service all critical cooling, filtration, and fluid delivery components, ensuring reliable quenching performance and minimizing the risk of unplanned downtime or thermal process failures.
Thunderbird Metals East - NC
08/11/2026

Quench System – Monthly PM

This procedure provides the steps for completing the monthly preventive maintenance inspection of the quench system. Verify system pressure, inspect mechanical and hydraulic components, confirm the proper operation of safety devices and interlocks, evaluate equipment condition, perform housekeeping tasks, and complete the final operational checks to ensure the system meets all acceptance criteria before returning it to service.

    1. SAFETY / PRE-WORK

    2. SYSTEM PRESSURE

    Actual System Pressure: __________ PSI

    Legacy Reference: 600 PSI minimum Approved Operating Range: Minimum: __________ PSI Maximum: __________ PSI

    3. PHOTOEYES / LIMITS / INTERLOCKS

    Acceptance:

    4. CHAINS / GUIDES / MOVEMENT

    Condition:

    5. BEARINGS / AGITATORS

    Bearing / Motor Temperature: __________ °F

    Vibration Reading: __________ in/s or mm/s

    6. OILER / FILTER

    Filter Condition:

    9. HOSE CONDITION

    Hose Condition:

    BREATHERS / SURFACES / HOUSEKEEPING

    5 S

    Acceptance:

    BOLTS / FASTENERS / GUARDS

    Acceptance:

    10. OPERATING CONDITION

    After maintenance and when safe to operate:

    FINAL ACCEPTANCE

    OVERALL RESULT:

    Technician Comments:

    Technician Name:

Source: Thunderbird Metals East - NC (Community Member)

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