Connecting the auxiliary reservoir – Crystal P-018-CPF Hydraulic Screw Pump User Manual
Page 9

Operating Instructions
7
P-Series Screw Pump Operation Manual
CONNECTING THE AUXILIARY RESERVOIR
Use the optional auxiliary reservoir if additional test fluid is required to fill the pressure system.
Note:
Use bonded seals.
1
Mount the isolation valves, auxiliary reservoir, and device under test per the example to the right.
2
Open both isolation valves.
3
Remove the lid of the reservoir by unscrewing the vent valve.
4
Fill the reservoir with desired media (hydraulic oil or distilled water).
5
Mount the reservoir lid and close the vent valve.
6
Turn the spindle clockwise to pressurize the system.
7
To refill the pump: Close the isolation valve under the device under test.
8
Remove the lid of the reservoir by unscrewing the vent valve.
9
Turn the spindle clockwise until it stops.
10
Turn the spindle counterclockwise until it stops to pull the fluid from the reservoir.
Note:
Be ready to add fluid to the reservoir if necessary.
11
Mount the reservoir lid and close the vent valve.
12
Open the isolation valve under the device under test.
13
Turn the spindle clockwise to pressurize the system.
14
If you require additional test fluid, repeat steps 7-13.
15
When you are ready to vent the system, unscrew the vent valve. Any excess fluid will go back
into the reservoir.
Device Under Test
Bonded Seal
Bonded Seal
Isolation Valve
PSI
500
4000
0
5000
1500
3000
2000
Auxiliary Reservoir
Vent Valve
Bonded Seal
Bonded Seal
Isolation Valve