Equipment maintenance (Water & Wastewater treatment systems, Vietnam Company)
SUBMERSIBLE PUMP
Mechanics maintenance: | ||
■ | Take out the rubbish from pump housing, check the impeller for smooth rotation. | |
■ | Check the working status of pump: pressure, flow, vibration, noise… Adjust or replace details: bearing, joint, axle, impeller… if necessary. |
Motor maintenance: |
|
||
■ |
Check the working status of motor, electrical wire by measurement: voltage, current, resistance, insulation, water contact rod… Adjust or replace details or even rewind motor if necessary. |
SLUDGE SCREW PUMP
|
|||
Mechanics maintenance: |
|||
■ |
Check the screw for scratch, obstruction, adjust if necessary. |
||
■ |
Check the working status of pump: pressure, flow, vibration, noise… Adjust or replace details: bearing, joint, axle, impeller… if necessary. |
||
■ |
Check the axle connector for looseness, broken… adjust, replace the rubber buffer if necessary. |
Motor maintenance: | |||
■ | Check the working status of motor, electrical wire by measurement: voltage, current, resistance, insulation, water contact rod… Adjust or replace details or even rewind motor if necessary.
|
AIR BLOWER
|
|||
Technology maintenance: |
|||
■ |
Taking out the air filter, use high pressure air to blow out the dust and re-mount air filter. |
||
■ |
Replace with new air filter if the old one can not be recovered. |
Mechanics maintenance:
■ | Check the working status of machine: pressure, flow-rate, vibration, noise… Adjust or replace details: bearing, joint, axle, impeller… if necessary. |
■ | Check the tautness of belt, adjust if loosened. |
■ | Change with new belt if the old one broken or get worse. |
■ | Check the status of joint, seal. Fill oil in additional or change with new oil if necessary (normal frequency: 1 time/3 months). |
■ | Check the safety valve, adjust or replace if necessary. |
■ | Check the working status of pressure gauges, adjust or replace if necessary. |
Motor maintenance:
■ | Check the working status of motor, electrical wire by measurement: voltage, current, resistance, insulation, water contact rod… Adjust or replace details or even rewind motor if necessary. |
CHEMICAL DOSING PUMP
|
|||
Technology maintenance: |
|||
■ |
Check & clean the filter set, suction hose of pump. |
||
■ |
Check the flow-rate of pump, adjust for suitability if necessary. |
||
Mechanics maintenance: |
|||
■ |
Check the working status of pump: pressure, flow, vibration, noise… Adjust or replace details: bearing, joint, axle, impeller… if necessary. |
■ Check the joint, add more oil or replace if necessary (period: 1 time/3 months).
■ Check non-return valves of pump for obstruction, dirtiness… clearance & cleaning if necessary.
You can see more informations at video below.