Operation 5
Establishing Pressure
gmq23.bmp
Figure 5-15. Order of Installation
Establishing Pressure
Gauge Pressures
Pressure should be admitted slowly into the gauge, preferably through a metering valve. It is very convenient to have a volume adjusting pump such as RUSKA Series 3990 Manual Pressure Control Packs to adjust the system pressure. The RUSKA Series 3990 Manual Pressure Control Packs provides a supply gas regulator, valves, monitor gauge, and system volume adjuster all integrated into a compact package. The RUSKA Series 3990 Manual Pressure Control Packs facilitates the control of the input pressure to the gauge and provides facility to change the float position.
The index mark for the plane of reference on the RUSKA 2470 base is a circumferential groove around the base of the column. This reference is compared to the bottom face of the hanger mass as shown in Figure
