SAMPLE CHECKLIST EXAMPLE
This is a sample preventive maintenance checklist that demonstrates best practices for scheduled equipment inspections and routine maintenance procedures. Use this as a reference template for developing your own customized maintenance programs.
About This Sample PM Checklist
This sample preventive maintenance checklist provides a comprehensive example of routine maintenance procedures designed for general manufacturing environments. It serves as a practical template for implementing systematic maintenance across various types of equipment, machinery, vehicles, and facilities to prevent unexpected failures and extend asset lifespan.
Cost Savings
Scheduled maintenance reduces repair costs by 25-30% compared to reactive maintenance
Uptime Improvement
Prevents up to 70% of unplanned equipment downtime
Asset Longevity
Regular maintenance extends equipment life by 40-60%
Efficiency Gains
Maintains optimal performance and energy efficiency
SAMPLE SAFETY PROTOCOLS
This sample demonstrates essential safety requirements: Always implement lockout/tagout procedures, wear appropriate PPE, and follow all safety protocols during maintenance activities.
Sample Pre-Maintenance Safety Procedures
- Implement lockout/tagout (LOTO) procedures for all energy sources including electrical, hydraulic, and pneumatic systems.
- Verify proper personal protective equipment (PPE) including safety glasses, work gloves, and steel-toed boots.
- Conduct pre-work safety briefing and review job safety analysis (JSA) with all maintenance personnel.
- Gather required tools, replacement parts, and materials specified in the maintenance work order.
- Review equipment maintenance history and identify any previous safety concerns or recurring issues.
- Ensure adequate workspace lighting and ventilation for safe maintenance operations.
- Establish safety perimeter and install warning barriers to prevent unauthorized personnel access.
- Test energy isolation effectiveness using appropriate testing equipment to confirm zero energy state.
- Document baseline equipment conditions including operating parameters and visual observations.
- Obtain necessary work permits and coordinate with operations team for equipment shutdown.
Example: For a conveyor belt maintenance, LOTO includes disconnecting main power, tagging control switch, and testing belt movement to confirm complete energy isolation.
Sample Mechanical Systems Maintenance
- Inspect drive belts for proper tension using belt tension gauge and adjust to manufacturer specifications.
- Check belt and pulley alignment using laser alignment tools and correct any misalignment issues.
- Examine mechanical couplings for wear patterns, cracking, or looseness and replace if necessary.
- Apply lubrication to all grease fittings using specified grade lubricant according to maintenance schedule.
- Assess bearing condition through temperature monitoring, vibration analysis, and audible inspection.
- Inspect seals and gaskets for leakage, cracking, or deterioration and replace worn components.
- Measure vibration levels at designated monitoring points using calibrated vibration meter.
- Check gear oil levels in reducers and inspect for contamination or metal particles.
- Verify torque specifications on critical mechanical fasteners using calibrated torque wrench.
- Document all measurements, adjustments, and component replacements in maintenance log.
Example: Motor bearing lubrication schedule: Apply 2 pumps of lithium-based grease every 2,000 operating hours or quarterly, whichever comes first.
Sample Electrical Systems Inspection
- Inspect electrical connections for tightness, corrosion, and signs of overheating using thermal imaging camera.
- Test motor insulation resistance using 1000V megohmmeter and record readings for trending analysis.
- Clean control panels using appropriate cleaning materials and inspect for loose connections or damaged components.
- Verify grounding system integrity and test continuity using digital multimeter or ground tester.
- Functionally test emergency stop circuits and safety interlock systems for proper operation.
- Calibrate protective relays and circuit breakers according to manufacturer specifications.
- Inspect cable management systems including cable trays, conduits, and support structures.
- Check electrical enclosure sealing and verify NEMA rating compliance for environmental conditions.
- Test uninterruptible power supply (UPS) systems and emergency backup power equipment.
- Update electrical schematic drawings to reflect any modifications or component changes.
Example: Motor insulation test: Minimum acceptable reading is 1 megohm per 1000V plus 1 megohm (e.g., 460V motor should read at least 1.46 megohms).
Sample Fluid Systems Maintenance
- Check hydraulic fluid levels and top off with manufacturer-approved fluid to proper operating range.
- Collect fluid samples for laboratory analysis including particle count, viscosity, and water content testing.
- Replace hydraulic filters based on pressure differential readings or scheduled intervals.
- Test system operating pressure and calibrate relief valves to specified pressure settings.
- Service pneumatic air preparation equipment including filters, regulators, and lubricators.
- Inspect cooling system operation and test coolant condition including antifreeze protection levels.
- Examine hydraulic hoses for abrasion, cracking, bulging, or fluid seepage and replace as needed.
- Clean or replace air intake filters and verify proper airflow through cooling systems.
- Test pressure control valves and flow regulators for proper operation and accuracy.
- Record all fluid changes, filter replacements, and pressure adjustments in maintenance documentation.
Example: Hydraulic filter replacement criteria: Replace when differential pressure reaches 25 PSI or every 6 months, regardless of pressure reading.
Sample Performance Testing & Validation
- Execute startup sequence following established procedures and verify all systems respond correctly.
- Measure key performance indicators and compare results to established baseline values.
- Conduct comprehensive safety system testing including all protective devices and alarm functions.
- Calibrate process instrumentation using NIST-traceable reference standards.
- Run equipment through complete operational cycle to verify proper function of all subsystems.
- Validate positioning accuracy and repeatability for motion control systems.
- Test automatic control loops and verify proper response to setpoint changes.
- Verify proper operation of backup systems and failsafe mechanisms.
- Document any performance deviations and schedule corrective maintenance as required.
- Complete performance verification checklist and obtain required quality assurance sign-offs.
Example: CNC machine accuracy verification: Check positioning accuracy within ±0.0002" using calibrated dial indicator at multiple axis positions.
Sample Documentation & Compliance
- Complete detailed maintenance work orders including all tasks performed and materials used.
- Record labor hours, parts consumed, and associated costs for maintenance budget tracking.
- Update computerized maintenance management system (CMMS) with current data and schedule next service.
- Document findings, recommendations, and any follow-up actions required in maintenance report.
- Schedule next preventive maintenance interval based on operating hours and calendar time.
- File inspection certificates and test results in equipment maintenance history folder.
- Update equipment drawings and documentation to reflect any modifications performed.
- Prepare equipment handover documentation for operations team including any special instructions.
- Report safety observations and equipment reliability concerns to maintenance management.
- Ensure compliance with regulatory requirements and industry maintenance standards.
Example: CMMS entry includes: Work completion date, actual vs. planned hours, parts used with part numbers, and next PM due date based on 3,000 operating hours or 6 months.
Sample Post-Maintenance Procedures
- Remove all lockout/tagout devices in reverse order of application after verifying work completion.
- Conduct housekeeping activities and properly store all tools and unused materials.
- Perform final safety walkthrough ensuring all guards, covers, and safety devices are installed.
- Execute controlled equipment restart at reduced speed to verify normal operation.
- Monitor equipment during initial operation for unusual noises, vibrations, or operating conditions.
- Verify completion of all maintenance checklist items and obtain supervisor approval.
- Brief operations personnel on maintenance performed and any operational considerations.
- Transfer equipment back to production control with proper documentation handover.
- Schedule follow-up inspection if required based on maintenance activities performed.
- Update maintenance schedule and establish next service intervals in planning system.
Example: After motor bearing replacement, monitor bearing temperature for first 4 hours of operation to ensure temperature stabilizes below 180°F.
