Standard Operating Procedure for Car Parking Supply Air Fan Maintenance

SOP Number: Engineering – 20

Department: Engineering and Maintenance

Date Issued: 11–Mar-2018

Time to Train: 30 Minutes

Car Parking Supply Air Fan Maintenance Checklist and Procedure:

Required Tools:

  1. Screwdriver.

  2. Clamp meter.

  3. Crimping Tool.

  4. Tester.

  5. Megger.

  6. Oil Can.

  7. Grease Gun.

  8. Plier.

  9. Spanner Set.

  10. Brush.

  11. Bush.

  12. Line Tester.

Consumable Parts:

  1. PVC tape.

  2. WD- 40.

  3. Lubricating Oil.

  4. Grease.

  5. Carbon removing compound.

  6. Old cleaning clothes.

Car Parking Supply Air Fan Maintenance Activity:

Car Parking Supply Air :

  • Check the shaft position, in case if the shaft is loose tight it.

  • Check the shaft alignment and fix it if required.

  • Check the key position and any loose key to be replaced or tightened.

  • Check the fan blade positions, any loose blades to be tightened.

  • Change or replace any broken fan or fan leaf.

  • Check the ball bearing and if required do oiling/greasing.

  • Change the bearing if it is noisy.

  • Check the oil level of the gear.

  • Check and verify the gear assembly, any broken teeth to be replaced.

  • Check the foundation and verify if it is broken/loose

Fan Motor:

  • Motor Should be of minimum 12.5 HP.

  • Electrical control should be proper.

  • Check for any burnt contact, loose electrical connection and overall operation to be checked.

  • Overload relay should be checked.

  • Check the operation of the relay, setting and loose electrical connections.

  • Check the timer operation and time settings.

  • Check for any loose electrical connection.

  • Check for any loose & burnt electrical connection.

  • Check the MCB rating and verify with the recommended Amp.

  • Check Terminal Plate, Any burnt and broken plate need to be replaced.

  • Check the motor bearing.

  • Perform oiling, greasing or change the bearing if required.

  • Check the internal Resistance Value.

  • Other points to check:

  • Check at the full Load motor capacity should be 18 Amp.

  • Check and verify the overload relay setting should be 12 Amp.

  • Overload relay range should be between 9Amp to 15Amp.

  • Check and verify the control fuse rating at 4 Amp.

  • Check and verify the MCB rating should be at 100 Amp.

  • Check and verify the timer settings should be set at 6 sec.

Remarks by the Technician:


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