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This Operation and Maintenance Manual is for use with the IGS Microbubble 
Generator (MBG) and provides the necessary information to successfully install 
and operate the unit in accordance with manufacturers direction.  
 

The MBG unit consists off  

 

 

Full metal casing with vents  

 

Priming pump  

 

Main cavitation pump specifically designed to purpose 

 

Cavitation cylinder and pressure gauge 

 

On board electrical control enclosure 

 

Actuators to assist in control of unit for bubble generation

 

 

Suction hose that connects foot valve to inlet 

 

Suction Hose that connects foot valve to primer pump 

 

Foot valve in cage 

 

High pressure delivery hose with diffuser 

 

Model Reference

 

 

The model reference for this product is 
IGS MBG-N5.5  

 

Positioning Requirements 

 

The IGS Microbubble Generator is designed to sit above the water level of the 
water body to be aerated.  Both suction and delivery hoses need to downwards 
to the water.  Under no circumstances should these hoses be raised above the 
unit itself - e.g., over the top of a tank.  To do so reduces the efficacy of aeration 
substantially.   

 
 
 
 
 
 
 
 

Summary of Contents for MBG-N5.5

Page 1: ...OPERATION AND MAINTENANCE MANUAL Version 2 April 2019...

Page 2: ...assist in control of unit for bubble generation Suction hose that connects foot valve to inlet Suction Hose that connects foot valve to primer pump Foot valve in cage High pressure delivery hose with...

Page 3: ...uccessfully operate outside in all weathers The product requires mechanical lifting equipment to place into position or shift from one position to another It is feasible to bolt the frame to a specifi...

Page 4: ...for tightness If unit continues to leak then shut down and remove the delivery hose and check for damage to the seal If seal is damaged replace seal and reconnect How to connect to the water source T...

Page 5: ...other end of the larger hose is connected to the fitting found on the lower left side of the unit and inside the unit Feed the hose though the hole provided This connection is in front of the dischar...

Page 6: ...length is required if the unit is relocated this can be achieved using a three phase extension making sure that any connection is kept out of water that may be around the unit Connection is simple and...

Page 7: ...purpose one is to prime the main pump at start up and the other is to prime the main pump during operation as required This process is automated and requires no operator intervention once the switch i...

Page 8: ...and has a set screw adjustment on the top There is no need to adjust the left hand actuator Take care as this actuator does get hot You will not need to adjust the right hand actuator only the air val...

Page 9: ...e to adjust the pressure you need to adjust the air intake actuator Adjusting the air intake actuator The air intake actuator is the right hand side actuator which has the blue open plug injected in t...

Page 10: ...bles will clear once the unit is turned off as they break to nanobubbles and both remain in the water as a bank of air for some considerable time Maintenance The Microbubble Generator is designed to o...

Page 11: ...ure the unit is creating microbubbles at its optimum capacity If it is noticed this tends to change check the lock nut has not worked loose If it has readjust and retighten the lock nut Also check the...

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