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:
