3 and 4 inch pump services should be completed weekly with daily precautions taken for cold climates.
1. Power down equipment.
2. Perform walk around check to complete Pre-job Risk Assessment Per BOS SOP-017 and Hazards IDs. Verify any chemical, mud and fluid in tank or pump and ensure proper PPE is worn for such.
3. Isolate fluid to pump by closing valves leading in and LO/TO per SOP-018 and complete LO/TO permit to prevent electric shock and rotating equipment while service is being completed.
4. Drain pump ensuring contents are drained and disposed of correctly, i.e. invert.
5. Inspect volute, pump frame and condition of wear plate, condition of O ring seals and proper adjustment.
6. If signs of damage or wear please report this to the supervisor along with pictures.
7. Inspect RA for proper oil level,pulley alignment, oil leaks, and check for signs of mechanical seal failure.
9. Inspect fittings (sight glasses, breather ports, cams, drain valve, etc.)
10. Inspect motor for proper 1800 RPM motor is installed, power cord condition and length, plug condition including prongs, the junction box is tight and sealed, and cord end in good condition
11. Replace oil if Oil is milky or burnt or fill with oil until half full if low.
12. Inspect belts for wear, proper tension and alignment along with motor plate for movement and reinstall belt guard.
13. After inspection is complete, reassemble pump including ensuring wear plate is shimmed as per SOP# 017 and all components and guards has been verified properly installed or mounted.
14. Re-install if in good operating condition all suction and discharge lines ensuring that all camlocks/hammer unions are closed/tight and secure with double securement in place.
15. Remove lock out tag out and plug in pump and return power to pump.
16. Turn pump on at a low RPM to check for proper rotation. If rotation is backwards, change rotation. If proper rotation is achieved, work pump up to working RPM and check for proper function.
Complete all necessary paperwork