Thick pump common troubleshooting

malfunction the reason Method of exclusion
1. Difficult to start 1 liquid is not filled pump cavity. Frictional resistance larger:
2. The packing gland is too tight and the friction torque between the shaft and packing is too large. 		1. Pipe clamp to move the shaft pump pump spindle 3 ~ 6 turn:
2. Adjust the packing gland.
2 start after no liquid There is a lot of air inhaled:
2 motor steering is wrong: 3 fluid viscosity is too large. 		1. Check? Song? Oxime 谝 what owes 裉 吸 suction pipe leaks
2. Transfer any two-phase motor into the line:
3 dilute liquid feed.
3. The pump has a lot of vibration or noise 1 motor and pump shaft is not the heart:
2. Pump inhaled air or liquid mixed with a lot of air - 		1. Re-adjust the coaxiality:
2. Check? Stanford Ho? Try to rule out the inhalation of air.
4. During operation, the traffic dropped significantly 1. Bushing wear. Clearance increases:
2. Speed ​​reduced:
3. Universal shaft section or shaft damage Transmission failure:
4. Suction pipe into the liquid depth is not enough. There is air into the pump ^ 		1. Replace the bushing. If necessary? Q Screw:
2.Liaoshan said spring steal br br /> 3. Downtime maintenance. More Q axis 朕 shaft section or around the axis:
4. 缧 ∥ 敫??? Once immersed into the depth of exclusion inhaled liquid air.
5. Motor overload 1. Head over the pump stroke too much:
2 liquid viscosity is too large:
3. The voltage is too low. 		1. Minimize pipe head loss or replace high-lift pump.
2. Dilution of liquid material:
3. Check cough - raise the voltage to the specified value.
6. A large number of shaft seal packing leakage 1. Gland is too loose:
2. Packing wear:
3. Inverse import and export position. 		1. Adjust the gland:
2 replacement packing:
3. The middle flange port for the inhalation.
Troubleshooting Reason 1. Difficult to start 1. Feed liquid is not full pump cavity. Frictional resistance larger:
2. The packing gland is too tight and the friction torque between the shaft and packing is too large. 1. Pipe clamp to move the shaft pump pump spindle 3 ~ 6 turn:
2. Adjust the packing gland. 2. No liquid after start up 1. There is a lot of air inhaled:
2 motor steering is wrong: 3 fluid viscosity is too large. 1. Check? Song? Oxime 谝 what owes 裉 吸 suction pipe leaks
2. Transfer any two-phase motor into the line:
3 dilute liquid feed. 3. Pump has greater vibration or noise 1. Motor and pump shaft is not the heart:
2. The pump inhaled air or liquid mixed with a lot of air -1. Re-adjust the coaxiality:
2. Check? Stanford Ho? Try to rule out the inhalation of air. 4. During operation, the flow rate dropped significantly 1. Bushing wear. Clearance increase:
2. Speed ​​reduced:
3. Universal shaft section or shaft damage Transmission failure:
4. Inhalation pipe into the liquid depth is not enough. There is air into the pump ^ 1. Change the bushing. When necessary? Q screw:
2.Liaoshan said spring steal br br /> 3. Downtime maintenance. More Q axis 朕 shaft section or around the axis:
4. 缧 ∥ 敫??? Once immersed into the depth.Remove the air inhaled liquid .5 motor overloading 1.Head over the pump stroke too much:
2 liquid viscosity is too large:
3. The voltage is too low. 1. Minimize the head loss of the pipe or replace the high-lift pump.
2. Dilution of liquid material:
3. Check cough - raise the voltage to the specified value. 6. A large number of shaft seal packing leakage 1. Gland is too loose:
2. Packing wear:
3. Inverse import and export position. 1. Adjust the gland:
2 replacement packing:
3. The middle flange port for the inhalation.

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