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EST GROUP
6. Refill the reservoir with hydraulic fluid and replace the pump assembly, with gasket, on the reservoir and
install the machine screws. Torque the screws 25 to 30 in-lbs. (2.8 to 3.4 N-m).
5.2. Priming the Pump
Under certain circumstances, it may be necessary to prime the pump unit. To accomplish this, perform the following:
1. Press the release end of the pedal while holding down the air intake valve with a flathead screwdriver.
The air intake valve is located directly under the pedal in the area marked
depressed simultaneously with the
2. Allow the pump to cycle approximately 15 seconds.
3. Remove the screwdriver and press the
4. If the cylinder extends or pressure builds, the pump has been successfully primed. If the pump does not
respond, repeat the procedure, jogging the air intake valve while holding the pedal in the
5.3. Periodic Cleaning
The greatest single cause of failure in hydraulic pumps is dirt. Keep the pump and attached equipment clean to
prevent foreign matter form entering the system.
A routine should be established to keep the ram, hose, and pump as free from dirt as possible. All unconnected
couplers must be protected.
5.4. Serviceable Parts
There are no serviceable parts on the Ram Package. Contact EST Group for any repair or replacements of
components.
Questions? Contact EST Group Customer Service at any of the following locations.
www.cw-estgroup.com
Important: drain and clean the other ram system components prior to reassembly. This
will prevent contaminated fluid from entering the pump again.
Store these instructions with the Ram Package
components in the provided protective case.
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
area of the pedal sduring priming.
end of the pedal once more.
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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. The valve is
position.
China
P +86.400.636.5077
est-china@curtisswright.cn
Singapore
P +65.3158.5052
est-asia@curtisswright.com
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