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DANIELTM MODEL 788DVC DIGITAL CONTROL VALVES | D E C 2012 |
5.0CYLINDER DISASSEMBLY AND REASSEMBLY
The following tools will be needed to disassemble and reassemble your control valve:
•socket wrench
•adjustable wrench
•
•arbor press (may be needed for 4- and
•retaining ring pliers
Numbers in parentheses correspond with the item numbers in Table
EQUIPMENT DAMAGE
Read the entire recommended procedure for all installation operations and maintenance procedures before attempting to install or disassemble the valve. Disassembly of this cylinder assembly is different from previous Daniel Control Valves and requires strict adherence to the procedures outlined in this manual.
Failure to read and comply with these procedures could result in damage to the equipment and compromise in the integrity of the operation.
5.1Cylinder Assembly Removal - All Daniel Valves
1.Isolate the Control Valve from the system and bleed off pressure.
2.Loosen and remove the tubing from the cylinder head.
3.Remove the nuts securing the cylinder assembly within the valve body.
4.Tighten the two jack screws provided in the cylinder head until the cylinder assembly has been freed from the valve body. These screws should be tightened evenly to prevent damage to the cylinder
5.Remove the cylinder assembly from the valve body by pulling upward and evenly using both hands (on smaller valves) or a mechanical device (for larger models).
6.Remove the two jack screws from the cylinder head.
DISASSEMBLY AND REASSEMBLY |