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TM 1-4920-446-13 & P
Table 2-1. Controls and Instruments
Nomenclature
Item No. (fig. 2-2)
Function or Use
Hour Meter
Fluid Pressure Gauge
Boost Pressure Gauge
Fluid Temp. Gauge
Reservoir Fluid Level Indicator
Indicator
Compensator Shutoff Valve
High Pressure Bypass Valve
Selector Valve
Reservoir Shut-off Valve
High Pressure Relief Valve
Flow Limit Adjust
Flow Control Valve, 3/4 Inch Outlet
Flow Control Valve, 1/2 Inch Outlet
1
2
3
4
5
6
7
8
9
10
11
12
13
Records elapsed operating time of test stand.
Indicates main pump output fluid pressure.
Indicates boost pump fluid pressure.
Indicates temperature of hydraulic fluid entering main
pump. Gauge redlined at 160°F.
Indicates hydraulic fluid level in reservoir.
Controls pressure of main pump fluid output.
When opened, causes high pressure relief valve to
dump flow to return line at no pressure.
4 position, 3-way selector valve with lever handle.
(Suction pressure boost pump, filter out, filter in.)
Shutoff fluid flow from reservoir.
Adjustable pressure regulating valve which controls
outlet pressure to safe limits.
Adjusts flow volume at main pump outlet port.
Controls flow of fluid through outlet hose.
Controls flow of fluid through outlet hose
2-3
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