1. Check the gear oil pump piping and connections for any looseness. Rotate the pump by hand to ensure it turns freely.
2. Add lubricating oil to the bearing housing, ensuring the level aligns with the center line of the oil gauge; replenish or replace the oil promptly as needed.
3. Unscrew the priming plug on the pump body and fill it with priming liquid (or the medium being pumped).
4. Close the discharge pipeline gate valve, as well as the valves for the discharge pressure gauge and suction vacuum gauge.
5. Jog the motor to verify the correct direction of rotation.
6. Start the motor. Once the pump is running normally, open the valves for the discharge pressure gauge and suction vacuum gauge. After observing appropriate pressure readings, gradually open the gate valve while monitoring the motor load.
7. Maintain the pump's flow rate and head within the ranges specified on the nameplate to ensure operation at peak efficiency and achieve the intended energy-saving results.
8. Note the operating limits: during operation, the bearing temperature rise should not exceed 35°C above ambient temperature, and the absolute maximum temperature must not exceed 80°C.
9. If any abnormal noise is detected, stop the pump immediately to investigate the cause.
10. When shutting down the pump, first close the gate valve and pressure gauge valves, then stop the motor.
11. During the first month of operation, change the lubricating oil after 100 hours of use; thereafter, change the oil every 500 hours.
12. Regularly adjust the packing gland to ensure proper leakage from the stuffing box (a steady drip is ideal).
13. Periodically inspect the shaft sleeve for wear and replace it promptly if significant wear occurs.
14. For cold-weather operation: after stopping the pump, unscrew the drain plug at the bottom of the pump body to completely drain the medium and prevent freeze damage.
15. For long-term storage: disassemble the pump completely, wipe away any moisture, apply grease to rotating parts and mating surfaces, reassemble, and store properly. Having read the above, have you learned something new? Key points and precautions for the maintenance of gear oil pumps
We hope this proves helpful to you.