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Page Title:
TABLE 1-1. FUNCTION OF COMPONENT/ASSEMBLIES OF UNIT SUB-ASSEMBLIES |
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 TM 55-4920-373-14&P
TABLE 1-1. FUNCTION OF COMPONENT/ASSEMBLIES OF UNIT SUB-ASSEMBLIES
FIGURE
INDEX
FUNCTION
DESCRIPTION
NO.
NO.
Trailer, running
Allows relocation of test stand with vehicle
1
1-3
gear
Provides mounting of components/assemblies
Trailer frame
1-3
2
of test stand
Drives high pressure hydraulic pump and
Engine, gasoline
1-3
3
generator for the charging circuit of battery
1-3
Control panel
Contains all controls to start engine, gages
4
for monitoring purposes and hydraulic valves
and controls to regulate hydraulic fluid volume,
pressure and inlet and outlet flow
1-3
Contains hydraulic fluid for components/
5
Hydraulic reser-
systems under test
voir assembly
Holds gasoline to run engine for an extended
Gas tank
1-3
6
period of time
1-3
Provides initial dc power to start engine of
Battery, 12 VDC
7
test stand
Filter assembly,
Provides filtering of micronic particles of
8
1-3
low pressure
hydraulic fluid from test stand and unit under
test
Filter, high
Placed between the hydraulic pump and high
9
1-3
pressure relief valve to micronically filter
pressure
fluid from hydraulic pump
1-3
Manifold assembly
The manifold assembly, located on the suction
10
inlet, contains the sensing bulb for the fluid
temperature indicator and the thermoswitch
to shutoff the engine when fluid temperature
becomes excessive
Prevents test stand from rolling when brake
11
Handbrake, lever
1-3
assembly
is applied
12
1-3
Low pressure
Used to limit maximum pressure in the hy-
relief valve
draulic system return line
Provides required hydraulic fluid delivery
1-3
Pump, hydraulic
13
14
1-3
Pulse damper
Absorbs sudden high increases in hydraulic
fluid pressure, so that high pressure gage
needle will not peg or indicate small erratic
changes in fluid pressures
1-4
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