EST GROUP
DC4042 10/18
PAGE 8 OF 10
Questions?
Contact EST Group Customer Service at any of the following locations.
www.cw-estgroup.com
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
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
China
P +86.400.636.5077
Singapore
P +65.3158.5052
©2018 Curtiss-Wright
WARNING
4. OPERATION
Assemble the ram head with the pullrod assembly in accordance with
DC1220
,
DC4000, or any special installation
instructions issued
: Pop-A-Plug installation instructions. Follow Pop-A-Plug installation instructions.
DURING RAM OPERATION, THE SAFETY CABLE MUST ALWAYS
BE ATTACHED TO THE PULLROD.
NEVER LEAVE THE EQUIPMENT UNATTENDED WHILE
CONNECTED TO A PNEUMATIC PRESSURE SUPPLY.
NEVER DISCONNECT THE HOSE FROM THE RAM OR PUMP
WHEN THE EQUIPMENT IS PRESSURIZED.
Before each use, visually inspect for the following items:
1. Cracked or damaged ram cylinder
2. Excessive ware, bending, damage, or insufficient thread engagements
3. Leaking hydraulic fluid
4. Loose bolts or screws
5. Damaged or improperly assembled equipment
6. Modified, welded, or altered equipment
7. Bent or damaged couplers or port threads
If any of the above are observed, do not use the components. Contact EST Group for service or replacement.
If the pump is operated on a continuous duty cycle for extended period, installing an in-line filter and oil lubricator is
recommended. Use SAE grade 5W to 30W or equivalent.
5. CLEANING AND MAINTENANCE
The Ram system should be cleaned of all dirt and oils after ever use. Keeping the Ram Kit components wiped free of
debris before and after use will lessen the chances of foreign materials entering the hydraulic or pneumatic system
and extend the life of the equipment. Change hydraulic oil every 300 hours of use approximately; use Power-Team
AW Hydraulic Oil ISO-46.
5.1. Draining and Flushing the Reservoir
Wipe the pump exterior completely clean before attempting this procedure.
1. Remove the screws that fasten the pump assembly to the reservoir. Remove the pump assembly form
the reservoir. Do not damage the gasket, filter, or safety valve.
2. Drain the reservoir of all fluid and refill half full with clean hydraulic fluid. Rinse the filter clean.
3. Place the pump assembly back onto the reservoir and secure with two of the machine screws, use hole
locations in opposite corners of the housing.
4. Run the pump for several minutes. Reference the following section, “Priming the Pump”, for method.
5. Drain and clean the reservoir once more.
