A detailed DC Motor DAILY preventive maintenance checklists
1. Visual Inspection
2. Operational Checks
- Stand close to the motor while it operates.
- Listen carefully for any abnormal sounds.
- Document any unusual noises for further inspection.
- Engage the start command and observe the motor's response.
- Check for any delays or stuttering during start-up.
- Repeat for the stop command, ensuring a smooth cessation.
- Place a hand on the motor casing to feel for vibrations.
- Use a vibration meter for precise measurement if available.
- Record any excessive vibrations for maintenance review.
- Visually inspect the motor shaft during operation.
- Confirm the rotation matches the specified direction.
- Reversing the phase if necessary to correct direction.
- Start the motor and use a tachometer to measure speed.
- Compare the measured speed with the rated specifications.
- Document any discrepancies for follow-up.
- Use an infrared thermometer to measure the casing temperature.
- Compare readings with the manufacturer's temperature guidelines.
- Record any overheating instances for further investigation.
- Visually inspect wires and connectors for discoloration.
- Feel for excessive heat on components with your hand.
- Document any signs of overheating for maintenance action.
- Use a multimeter to measure voltage and current.
- Compare readings with the manufacturer's specifications.
- Report any deviations immediately for corrective measures.
- Check the motor's load gauge if equipped.
- Ensure the load does not exceed specified limits.
- Document load readings for ongoing assessment.
- Smell for any burning odors near the motor.
- Visually check for scorch marks on wires and connectors.
- Report findings for immediate attention if detected.
- Observe the operation of control devices while the motor runs.
- Listen for any clicking sounds indicating proper function.
- Test control devices independently to confirm functionality.
- Inspect fuses and circuit breakers for tripped status.
- Reset any tripped devices if necessary and safe.
- Document the status of protective devices.
- Watch the motor during both start and stop phases.
- Note any irregularities in timing or behavior.
- Report any issues for further inspection.
- Check all lights and meters for correct operation.
- Calibrate any meters if readings seem off.
- Document any non-functional indicators for servicing.
- Inspect the base and surrounding area for fluid stains.
- Check seals and bearings for signs of leakage.
- Report any leaks for immediate attention.
- Test the emergency stop button to ensure it functions.
- Ensure the mechanism is easily accessible at all times.
- Document the operational status of emergency stops.
Use in Manifestly