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TM 55-4920-373-14&P
TABLE 2-1. MAIN PANE L CONTROLS, GAGES AND INDICATORS (cont)
FIGURE
INDEX
FUNCTION
DESCRIPTION
NO.
NO.
Used to isolate the pump
2-1
Compensator shutoff valve
22
compensator from the hy-
draulic system and in
establishing setting of high
pressure relief valve. When
closed, valve revents the
hydraulic high pressure pump
from compensating and
therefore, allows the pump to
go to maximum pressure
In the closed position, the
23
Suction pressure filter out,
2-1
three position control
suction pressure gage is shut
off. In the filter-out position,
the pressure at the low
pressure filter outlet is
monitored and when in the
Filter- in position, the filter
inlet pressure is monitored.
This switch allows monitoring
pressure drop across the low
pressure filter
TABLE 2-2. STARTUP PANEL CONTROLS
INDEX
FIGURE
NO.
FUNCTION
NO.
DESCRIPTION
1
2-2
Choke control
Manually operated and closes
the butterfly in the carburetor
when pulled out, enriching the
fuel mixture for starting the
engine
2
2-2
Manual on-off switch. In the
Ignition switch
OFF position the engine
magneto is grounded. With the
ignition switch in the ON po-
sition, the magneto is un-
grounded and 12 VDC is
applied to the electrical
circuit
3
2-2
Push-pull, twist-to-lock
Throttle with turn-to-lock
control
control to set the speed
governor for desired engine
speed
2-4
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