MGF 904 Series User Manual Download Page 5

CONNECTION TO THE APPLIANCE TO BE TESTED

After screwing the delivery hose to the pump, connect the same to the appliance to test (pipe, tank, valve, etc..),  
paying attention to the "hydraulic seal".

FILL UP THE APPLIANCE TO BE TESTED

Whatever is the appliance to test, it has to be filled up in advance with the same liquid that will be used for the 
test.

FILLING THE TANK

The pump has a tank with a capacity of 100 liters. Fill up the tank making sure the suction tube is completely 
submerged. Use a mixture of water and emulsifiable oil in order to prevent oxide formation inside the machine.

If you can not find the liquid, use water or common oil.

SAFETY   

Before shipment, all the pumps are tested in firm, are tough and very robust and therefore very safe.

The operator should wear gloves and protective screen, and people not involved with the testing should leave test 
bench.

FIRST STAGE

The machine has two coaxial pistons. The first piston in action is the brass one, with a larger diameter. For this 
purpose, verify that the release lever is adjacent to the pump body.

Check that the drain flyer is tight, otherwise close it turning in a clockwise way.

Pumping moving the lever from the bottom on the top. Due to the low flow rate, the pressure gauge will not 
begin to rise immediately, but after a few cycles.

The pump is self - priming, so it will come into operation by taking the fluid from the tank below and sending it in 
the appliance to be tested.

When you reached 100/120 bar, skip to second stage.

SECOND STAGE

Place the release lever in opening position (at 90° respect the pump body), to position the brass piston with 
greater diameter and to free the steel piston with smaller diameter. This piston allows the attainment of high 
pressures.

Pumping  regularly and quickly, moving the lever from the bottom on the top.

Check the pressure shown in the gauge, and do not exceed the maximum pressure.

DISCHARGE THE PRESSURE

At the end of the test, you will have to relieve the pressure acting on the flyer's tap that is on the side of the 
pump body. Turning in anticlockwise way the faucet opens the valve by draining the emulsifiable oil (or water) 
through the drain hole, located under this tap.

From this hole ejects the liquid to the tank below.

Summary of Contents for 904 Series

Page 1: ...ealised where possible in accordance with Rule 98 37 CE Direttiva Macchine 2006 42 CE Nuova Direttiva Macchine UNI Rule 10893 User instruction order of contents Art 904XXX High Pressure Test Pump User Manual rev 1 0 del 12 02 2014 ...

Page 2: ...n the machine providing the informations about technical data TECHNICAL ASSISTANCE call number 39521818301 4 lines fax 39521818202 email info mgftools com Shipment of defective parts must be authorized by MGF RMA module Otherwise we cannot accept arriving goods WARRANTY TERMS Warranty on these machines is on every manufacturing defect for a time of 2 years from manufacturing Manufacturing time is ...

Page 3: ...essure pipe available on demand 904900 904800 904700 Art CARATTERISTICHE TECNICHE COMUNI 1000 bar 500 bar 300 bar Pressure 1 2 GAS A 800mm B 800mm C 400mm D 500mm E 400mm F 50Kg weight RELEASE LEVER 1 2 STAGE ...

Page 4: ... these two valve A light alternating movement of the handle creates a steady flow of liquid after a few initial priming strokes keep up the movement which gradually becomes stiffer until the desired pressure is read on the gauge 13 Next close the discharge valve isolating the appliance being tested To end the operation open both valves and surplus liquid will run back into the tank via the drain h...

Page 5: ...he release lever is adjacent to the pump body Check that the drain flyer is tight otherwise close it turning in a clockwise way Pumping moving the lever from the bottom on the top Due to the low flow rate the pressure gauge will not begin to rise immediately but after a few cycles The pump is self priming so it will come into operation by taking the fluid from the tank below and sending it in the ...

Page 6: ...ions Be sure that the machine and all its parts are placed out of reach of children Keep clean and well lit work area Position the pump so that the filling of the system can be in operated safety Do not use the pump resting on uneven surfaces or horizontal Avoid working in hazardous environments eg in the presence of flammable liquids or gases Use a clothing appropriate to the work to be performed...

Page 7: ...6 Higher shutter 4 Support 17 Lower shutter 5 Large packing gasket 18 Suction tube 6 Seal for large piston 19 Stainless steel filter 7 Large piston 20 Bolt 8 Small packing gasket 21 Tank 9 Seal for small piston 22 Faucet 10 Small piston 23 Gauge holder 11 Guide for piston 24 Pressure Gauge 12 Lever with handle 25 Filter cap 13 Plug ...

Page 8: ...Mendes 8 43055 Mezzani PR Italy declares that pressure testers art 904700 904800 904900 are complying directive 2006 42 CEE MGF MGF srl Via Chico Mendes 8 43055 Mezzani PR tel 0521 818301 Fax 0521 818202 e mail info mgftools com www mgftools com www nebulizzare com ...

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