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Page Title:
CONTROLS AND INSTRUMENTS (cont) |
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 TM 55-4920-426-13&P
TABLE 2-1 (Cont)
FUNCTION
DESCRIPTION
NO.
NAMEPLATE
Pumps hydraulic fluid from test stand
Variable stroke, variable
HIGH PRESSURE
16.
pressure, axial,
to aircraft and return
PUMP
piston type pump
Selects boost pump inlet, outlet, main
3-way needle valve
L.P. GAGE
17.
pump inlet pressure and will isolate
SHUT OFF
the compound gage
Calibrate compound gage
AN fitting
TEST PORT
18.
Indicates vacuum and/or pressure in
30 in. vacuum and O to
COMPOUND GAGE
19.
150 psi
the plumbing suction system
Indicates return flow in gpm of
Direct reading
FLOWMETER
20.
indicator
hydraulic fluid from the aircraft
2-way valve
Bypass pump delivery
21.
FLOW CONTROL
VALVE
-20F to 240F
Indicates hydraulic oil temperature in
22.
TEMPERATURE
the plumbing system
GAGE
indicates pressure in the test stand
0-6000 psi
23.
SYSTEM
hydraulic system
PRESSURE
AN fitting
Calibrate system pressure gage
24.
TEST PORT
Manually cycles pressure and return
25.
RESERVOIR
2-way valve
flow
SELECTOR
Regulates pump delivery of hydrualic
FLUID VOLUME
26.
Handwheel
fluid from 0 to 10 gpm
Isolates pressure compensator from
27.
Needle valve
COMPENSATOR
the plumbing system
SHUTOFF
Regulates pressure in the plumbing
200-5000 psi
28.
SYSTEM RELIEF
VALVE
system
Isolates system pressure gage from
29.
H.P. GAGE
Needle valve
the plumbing system
SHUTOFF
Maintains constant circuit pressure
30.
PRESSURE
Screw shaft
COMPENSATOR
2-5
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