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TM 55-4920-373-14&P
TABLE 2-1. MAIN PANEL CONTROLS, GAGES AND INDICATORS (cont)
FIGURE
INDEX
FUNCTION
DESCRIPTION
NO.
NO.
Provides a means of connect-
High pressure calibration port
2-1
13
ing an external gage for
calibration purpose. The cap
on this port shall always be
securely fastened
Provides a means of connect-
Suction pressure calibration port
2-1
14
ing an external gage for
calibration purpose. The cap
on this port shall always be
securely fastened
Provides means to shut off
Reservoir shutoff valve
2-1
15
the test stand reservoir
when an external reservoir is
to be used
Pressure balanced valves to
Flow control valve 1/2" outlet
2-1
16
control flow of hydraulic
and 3/4" outlet
&
fluid from test stand. A
19
locking device is included for
each valve to lock control
knob in the selected position
Provide a means of selecting
Outlet selector valve, three
2-1
17
either the 1/2-inch or 3/4-
position
inch outlet connection of the
test stand, to direct output of
pump to the outlet selected
Illuminates when the high
High pressure filter differential
2-1
18
pressure filter differential
indicator, HPAP
fluid reaches 40 psi; indi-
cating necessity of filter
element replacement
Positions the cam plate of the
Volume control
2-1
20
pump to obtain desired
volume output. A locking
device is provided to secure
the control in the desired
volume position
Provides means for adjust-
Pressure compensator control
2-1
21
ment to obtain the desired
d i s c h a r g e pressure. A
locking device is provided to
secure the control at the
desired test stand output
pressure
2-3
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