OPG1™ Operation and Maintenance Manual
Page 5
©2000
DH Instruments, Inc
.
1.3.3
SYSTEM SCHEMATIC
20
21
1.
Pump Drive Air Set Regulator
11.
Fast and Slow PDVV Decrease Valves
2. Hydropneumatic
Pump
12. Fast and Slow PDVV Increase Valves
3.
Tank
13.
PDVV DRIVE Air Connection
4.
Top TEST Connection
14.
Common DRIVE Air Connection
5.
Oil Return Overflow Tube
15.
DRIVE Air Filters
6.
Right Side TEST Connection
16.
PUMP DRIVE Pressure Gauge
7.
Left Side TEST Connection
17.
PDVV Plunger Position Indicator
8.
Test Outlet Valve
18.
PDVV DRIVE Pressure Gauge
9.
Test Inlet Valve
19.
PDVV DRIVE to PDVV Connection
10.
Pneumatically Drive Variable Volume
(PDVV)
20. Oil
Filter
Figure 3.
System Schematic