1.0 Purpose :To provide a documented procedure for Planned Preventive Maintenance of
Water Ring Pump.
2.0 Objective :Preventive Maintenance of Water Ring Pump.
3.0 Scope : This SOP is applicable for Planned Preventive Maintenance.
4.0 Responsibility :
· Primary: Technician Engineering
· Secondary: Manager Engineering
5.0 Procedure :
· Safety Precaution
Ø Wear the necessary safety appliances during working.
Ø Wear clean & tidy uniform.
Ø Wear protective Goggles, hand gloves etc. as per work requirement.
Ø Wear safety shoes and helmets.
· Operating Procedure.
Ø Before Starting the Water Ring Pump start the cooling water circulation.
Ø Switch on the starter. To start the vacuum pump.
Ø Check that the vacuum pump is working properly and generating sufficient vacuum.
Ø Run the pump as per required time and to stop the vacuum pump Switch Off the starter.
Ø Stop cooling water circulation.
Ø Confirm that the power supply is off from Main Switch.
· Maintenance Procedure and Schedule:
| Sr. No. | CHECK POINTS | PROCEDURE | FREQUENCY |
| 1. | Electrical Parts | Checking and cleaning of Starter and electrical contacts and Repairing / Replacing them if necessary. | 6Months |
| 2. | Motor | Greasing and oiling of Motor bearings and other mechanical parts. | 6 Months |
| 3. | Nut Bolts and other Fasteners. | Checking and tightening the Nut Bolts and other Fasteners for proper functioning and repairing/replacing if required. | 3Months |
| 4. | Checking Fan and fan blades for damage. | Checking Fan and fan blades for damage and corrosion. | 3Months |
| 5. | Strainer cleaning | Strainer cleaning by dismantling, and removing the scales formed and refitting after cleaning | 3Months |
| 6. | Water sump Tank Cleaning | Water sump Tank Cleaning / delaminate by Chemical treatment. | 3Months. |
| 7. | Maintenance Of Feed Water Pump | Cleaning and Over hauling of Feed Water Pump. | 12Months |
| 8. | Vacuum Gauge | Checking the efficiency and calibrating the Instrument through standard Agency. | 12Months |
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