Table 1-1. Test Stand Peculiar Data

TM-55-4920-384-13-P Gasoline Engine Driven Hydraulic Systems Test Stand Type Type D5-C Manual Page Navigation
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TM 55-4920-384-13&P

1-8. Controls and Instruments. This section de-

Gage Shutoff The gage shutoff valve (13,

Fig. 1-9) is located in the lower left of the control

scribes, locates and furnishes the operator

panel isolates the Hi-Pressure Gage from the circuit

with sufficient information pertaining to the

for testing.

various controls (Fig. 1-8) and instruments

(Fig. 1-9) provided for proper operation of the

d. Fluid By-Pass Valve. The fluid by-pass

aircraft hydraulic test stand.

valve (14, Fig. 1-9) is located in the lower left hand

corner of the control panel. It provides a means of

Unloading the pump and diverting the pump output

a. Brake Lever Assembly. The hand brake

into the reservoir or back to the pump inlet. This

lever assembly (7, Fig. 1-8) is mounted on the front

valve must be open, creating a zero pressure condi-

of the frame assembly and sets the brake shoes in

tion, while starting the engine, connecting the test

the rear wheels to secure the test stand in position

stand to the aircraft under test, and while setting

for operation.

the outlet selector valve.

b. Fluid Level Indicator. The fluid level indi-

NOTE

cator (11, Fig. 1-9) is located in the upper right hand

After starting, do not use by-pass

corner of the control panel. It indicates the hydrau-

valve to control pressure. Use compen-

lic liquid level in the reservoir. The dial is marked

sator control.

E, 1/2 and F.