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:
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Plier.
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Screw Driver.
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Clamp meter.
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Line Tester.
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Megger.
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Crimping tool.
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Grease gun.
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Oil cane.
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Air Blower.
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Brush.
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Spanner Set.
Consumable Parts:
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PVC Tape.
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Old clothes.
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Carbon removing compound.
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WD-40.
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Oil & Grease.
Air Compressor For Laundry Maintenance Activity:
1) Electrical control:
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The motor should be of 7.5 BHP.
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Contactors - Burnt contact, loose electrical connection and operation to be checked.
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Overload relay - Operation of the relay, setting and loose electrical connections.
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Loose electrical connection - to be checked.
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MCCB - Loose & burnt electrical connection and rating of MCCB to be checked.
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Proper Thimbling - burnt connections and thimbles to be checked.
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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:
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Filter Cleaning - Any sand/dust to be cleaned.
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Air pressure setting in pressure gauge to be done
e) Other Items to Check:
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Check and verify if the full load is at 11 Amp.
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Overload Setting should be at 13Amp.
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Over Load Relay range should be between 9-15 Amp.
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Contractor Rating should be between ML-1 and 16 Amp.
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Control Fuse Rating should be at 4 Amp.
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MCCB rating should be 40 Amp.
Air Compressor For Sewage Treatment Plant Maintenance Activity:
a) Electrical control:
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The motor should be of 3 Hp.
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Contactors - Burnt contact, loose electrical connection and operation to be checked.
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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:
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Filter Cleaning - Any sand/dust to be cleaned.
-
Air pressure setting in pressure gauge to be done
e) Other Items to Check:
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Check and verify if the full load is at 5 Amp.
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Over Load Setting should be at 6 Amp.
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Over Load Relay range should be between 4.5-7.5 Amp.
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Contractor Rating should be between ML-0 and 12 Amp.
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Control Fuse Rating should be at 4 Amp.
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MCCB rating should be 32 Amp.
Remarks by the Technician:
Date:
Signature: