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Mactrap Grease Boss Operational Manual v Feb 2017 

HOW IT WORKS 

The Grease Boss can be installed internally and requires minimal operator maintenance inside the machine. 
Wastewater enters the unit through a removable 2mm filter basket which captures food solids. This basket can be 
removed from the front of the machine allowing minimum head room when installing.  

Waste fats, oil and grease (FOG) can be collected in a disposable container (such as a plastic milk bottle) and put with 
other rubbish collection, or into a washable collection container. 

In the trap, FOG rises to the surface where it is attracted by a rotating double-sided collection tube. This FOG is 
removed via a wiper blade into an external collection container. Tests show that over 98% of FOG is removed*.  A 
PLC controlled heater ensures that grease is kept at a temperature that will not solidify the oils. If no fat is used the 
control does not switch the heater on as oils can normally be collected cold. 

 
Water with the FOG removed exits from the unit into the waste water system.  
 

WHERE CAN GREASE BOSS BE USED? 
 

 

Where there is no room for an external passive trap or as an alternative. 

 

Where under bench height space is tight as basket is front loading. 

 

Where there are self-cleaning ovens* 

 

Where there is a dishwasher* 

 

DIMENSIONS 

 

 

 

 

 

 

 

SPECIFICATIONS

 

Material  

304 Stainless Steel 

 

 

 

 

FOG removal Rate <36kg/Hour 

Max Inflow rate        

2.5L /sec

 (see weir instruction page 5)  

Static capacity

 

100 Litres

 

Treatment capacity

 

=<500l passive capacity

 

 

 

Motor 

230V 5RPM

 

Timer/Controller & Magnetic isolation switch   

 

Heating element   

Standard Smiths 2kW SIN 2

 

230v, 50Hz, Crouzet  PLC  
24-Hour Operation 

Maximum operating temperature   65C 

 

Summary of Contents for Grease Boss G25 216

Page 1: ... MACTRAP Grease Boss with optional pump out unit at outlet end Units are right or left hand inlet flow to suit customer location The above example is left to right flow Supplied and serviced By MACTRAP For more information contact MACTRAP Phone 64 7 549 0414 Mobile 64 274 978 791 Email info mactrap co nz www mactrap co nz Manufactured by MACTRAP Katikati New Zealand ...

Page 2: ...ts show that over 98 of FOG is removed A PLC controlled heater ensures that grease is kept at a temperature that will not solidify the oils If no fat is used the control does not switch the heater on as oils can normally be collected cold Water with the FOG removed exits from the unit into the waste water system WHERE CAN GREASE BOSS BE USED Where there is no room for an external passive trap or a...

Page 3: ...ing on power source It is advisable to leave power on to retain integrity of default settings Check correct invert and weir levels herein shown Note Before switching on for the first time lightly coat roller blades with vegetable oil not petroleum based oil to prevent sticking to roller We recommend in sink filters for efficient operation Ensure U bends are installed at each sink or at least pre G...

Page 4: ...ter Wiper Frame To remove hook the frame off the transverse conduit tube wipe and replace Clean the wipers daily if the unit has high useage Inner wiper This should be removed and cleaned as part of your periodic servicing Note Keeping solids especially coffee grinds onion peel bones utensils and plastics out is important to ensure efficient operation of the extraction process If operating with la...

Page 5: ...fectively as free flowing fats and oils which can result in effluent readings carried out by some testing laboratories showing higher Mg litre fats and oils readings than specified This problem occurs with all grease trap systems including passive traps We recommend customers carefully check the allowable fats and oil effluent permitted in their specific local authority consent Customers should in...

Page 6: ...or roller units and if opening electrical cover ATTENTION NEVER TURN ON WHEN EMPTY THE HEATING ELEMENT MAY OVERHEAT UNIT REQUIRES DAILY HOUSEKEEPING BY REMOVING FOG DO NOT LET FAT OR SOLIDS BUILD UP ON HEATING ELEMENT SERVICE CONTRACTS BY APPROVED ENGINEER ARE AVAILABLE AND RECOMMENDED UNIT WILL LOSE EFFICIENCY IF NOT MAINTAINED AS SOLIDS WILL BUILD UP INSIDE THE GREASEBOSS IS DESIGNED TO TRAP AND...

Page 7: ...at is trapped Make sure the cycles have been correctly set as per instructions The default time is 2am 4am NZ time Heater cycle The tank should heat 15mins approx prior to default start time If the tank does not heat the heater may need inspecting Contact your local Service engineer to check IF water temp 42C during day unit will turn on off regularly in 5minute intervals Roller After heating up 1...

Page 8: ...sult from a worn inlet gasket or a blocked outlet pipe Replace gasket and clean all possible blockages downstream of the unit Has sediment been allowed to build up over time Over time depending on operators control sludge could build up at the bottom of the unit and block the path of the flow underneath the outlet baffle Clean as per maintenance instructions Build up may severely reduce efficiency...

Page 9: ...te fat oil and grease collection container old milk bottles are ideal to use and put in refuse Place new container in position Lift the lid and check the blade for built up fat and grease Important When replacing the lid make sure the tab on the lid is over the sensor The machine will not work if the tab and sensor are not touching After replacing the lid press the red button once to reset the mac...

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