Standard Operating Procedure for Air Compressor For Laundry and Sewage Treatment Plant

SOP Number: Hotel Engineering SOP  – 08

Department: Engineering and Maintenance

Date Issued: 17–Feb-2018

Time to Train: 30 Minutes

Air Compressor Maintenance Checklist and Procedure:

Required Tools:

  • Plier.

  • Screw Driver.

  • Clamp meter.

  • Line Tester.

  • Megger.

  • Crimping tool.

  • Grease gun.

  • Oil cane.

  • Air Blower.

  • Brush.

  • Spanner Set.

Consumable Parts:

  • PVC Tape.

  • Old clothes.

  • Carbon removing compound.

  • WD-40.

  • Oil & Grease.

Air Compressor For Laundry Maintenance Activity:

1) Electrical control:

  • The motor should be of 7.5 BHP.

  • Contactors - Burnt contact, loose electrical connection and operation to be checked.

  • Overload relay - Operation of the relay, setting and loose electrical connections.

  • Loose electrical connection - to be checked.

  • MCCB - Loose & burnt electrical connection and rating of MCCB to be checked.

  • Proper Thimbling - burnt connections and thimbles to be checked.

  • Terminal Plate - burnt and broken plate to checked.

b) Bearing:

Check the oiling, greasing and change if it is noisy.

c) Check Internal Resistance Value.

d) Air Compressor:

  • Filter Cleaning - Any sand/dust to be cleaned.

  • Air pressure setting in pressure gauge to be done

e) Other Items to Check:

  • Check and verify if the full load is at 11 Amp.

  • Overload Setting should be at 13Amp.

  • Over Load Relay range should be between 9-15 Amp.

  • Contractor Rating should be between ML-1 and 16 Amp.

  • Control Fuse Rating should be at 4 Amp.

  • MCCB rating should be 40 Amp.

Air Compressor For Sewage Treatment Plant Maintenance Activity:

a) Electrical control:

  • The motor should be of 3 Hp.

  • Contactors - Burnt contact, loose electrical connection and operation to be checked.

  • Over Load relay - Operation of the relay, setting and loose electrical connections.

  • Lose electrical connection - to be checked.

  • MCB - Loose & burnt electrical connection and rating of MCB to be checked.

b) Bearing:

Check the oiling, greasing and change if it is noisy.

c) Check Internal Resistance Value.

d) Air Compressor:

  • Filter Cleaning - Any sand/dust to be cleaned.

  • Air pressure setting in pressure gauge to be done

e) Other Items to Check:

  • Check and verify if the full load is at 5 Amp.

  • Over Load Setting should be at 6 Amp.

  • Over Load Relay range should be between 4.5-7.5 Amp.

  • Contractor Rating should be between ML-0 and 12 Amp.

  • Control Fuse Rating should be at 4 Amp.

  • MCCB rating should be 32 Amp.

Remarks by the Technician:

Date:

Signature:


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