TM 55-4920-394-13&P
CHAPTER 2
OPERATING INSTRUCTIONS
SECTION I. CONTROLS AND INSTRUMENTS
2-1. Controls and Instruments .
All controls and instruments are identified and described in
Table 2-1 and
Figure 2-1. Fill system, cooler fan and instrumentation controls are located on
the right side of
the control
panel.
SECTION II. OPERATING PROCEDURES
2-2. Preliminary Procedures. Make the following checks before operating the test stand.
CAUTION
Check whether voltage supply is 220V to 440V.
Check transformer connections and interchange if necessary for
a.
Housing doors shall be closed per stenciled instructions on doors. Open panel door.
b.
Connect power plug properly to power supply source.
c.
Check hydraulic reservoir fluid level. For proper operation of test stand maintain hydraulic fluid
level in reservoir full minimum.
NOTE
Power "ON" switch must be ON to energize Reservoir Level Indicator (13, fig. 2-1).
2-3. Pre-Operation Control Settings .
Place the controls listed below in
the positions indicated (fig. 2-1).
Control
Position
H.P. Gauge Shutoff valve (26)
turn from full closed
Pressure Selector valve (6)
H.P. pump inlet
Pressure Control (30)
Opened to lowest pressure
setting
Flow Control valve
Closed
H.P. Relief valve (27)
Lowest pressure setting
2-1