1.
Aircraft fill system pressure gauge
2.
Aircraft fill system relief valve
3.
High-pressure gauge shutoff
4.
Aircraft fill system shutoff valve
Figure 9-8.--Secondary control panel controls and indicators.
Table 9-4.--Secondary Control Panel Controls and Indicators
FIG. 9-8
FUNCTION
CONTROL/INDICATOR
INDEX NO.
1
AIRCRAFT FILL SYSTEM
Indicates hydraulic pressure at AIRCRAFT FILL SYSTEM
PRESSURE GAUGE
OUTLET Port, when AIRCRAFT FILL SYSTEM SHUTOFF valve
is open.
2
AIRCRAFT FILL SYSTEM
Used to manually adjust fill system pressure and provide system
RELIEF VALVE
pressure relief.
3
HIGH PRESSURE GAUGE
When closed, isolates HIGH PRESSURE GAUGE for calibration or
SHUT OFF
service. Also acts as pulsation snubber.
4
AIRCRAFT FILL SYSTEM
Used to shut off or turn on the flow through the fill hose.
SHUTOFF VALVE
temperature (85F minimum), shut down the test stand
not exceeded. Monitor all filter differential pressure
indicators, particularly those associated with the
and have replacement filter elements installed. On test
3-micron filter assemblies. If you see an indication of a
stands that have a fluid sight glass and manual air bleed
loaded filter after the fluid reaches normal operating
valve, periodically operate the valve and monitor the
9-12
