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EST GROUP
3. TESTING
3.1. Test Ram/Pump set-up
To operate/verify Ram/Pump set-up, step on the end
of the pump pedal marked "PUMP"
watching the Hydraulic Ram. Within a few seconds,
the Ram should begin to stroke. Note that the piston
strokes out of the back of the hydraulic Ram. If the
Ram does not stroke, check all connections, the oil
level and repeat this step.
Proper operation will be indicated by cylinder of the
ram extending 1" – 3" (25.4 to 76.2 mm) (model
dependent) followed by the pressurization indicated on
the gauge increasing to 7500 PSIG (517 BARG).
3.2. Release Pump pressure
While holding the Ram handle step on end of the
Pump Pedal marked "RELEASE".
allow the piston of the Ram to retract.
To remove the pneumatic power to the equipment,
disconnect the pneumatic quick connect.
Questions? Contact EST Group Customer Service at any of the following locations.
www.cw-estgroup.com
while
This will
North, Central & South America
EST Group Corporate Office
2701 Township Line Road
Hatfield, PA 19440-1770 USA
P: +1.215.721.1100
+1.800.355.7044
F: +1.215.721.1101
est-info@curtisswright.com
Connect the air supply to the ¼" F-NPT port at the rear of the pump.
The air supply should be at least 20 CFM (.57 m³/min) and 100 PSIG
(7 BARG) to obtain the rated hydraulic pressure. Air pressure must
be regulated to no more than 120 PSIG (8.3 BARG) maximum.
2.1. Bleeding the system
With no load on the system, the Pump properly vented, and
positioned higher than the Ram, cycle the system several times.
Check the reservoir to ensure proper fluid level; fill as required.
Europe / Middle East / Africa
EST Group B.V.
Hoorn 312a
2404 HL Alphen aan den Rijn
The Netherlands
P: +31.172.418841
F: +31.172.418849
est-emea@curtisswright.com
DC4042 10/18
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est-china@curtisswright.cn
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P +65.3158.5052
est-asia@curtisswright.com
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