|
|
TM 55-4920-335-14
SECTION III
OPERATING INSTRUCTIONS
3-1. PREPARATION FOR STARTING. Prepare the Test
e. Remove protective caps from pressure and suction
Stand for starting and operation as follows:
hose connections (6, figure 1-2). Remove protective caps from
connection hoses. Connect hose from pressure outlet port (8,
a. Perform the daily ins pection and services outlined in
corresponding outlet on aircraft to be tested. Connect second
hose to suction port (7) and to corresponding outlet on aircraft
b. Maneuver the Test Stand to a position that is suitable
to be tested.
for hose connection to the aircraft system.
3-2. CONTROLS AND INSTRUMENTS. Table II lists,
c. When Test Stand is in position, apply hand brake
describes, and briefly explains the function of the operating
lever (11, figure 1-1) by pushing downward. Place tow bar in
controls and instruments located on the control panel (figure
upright position.
of the pump controls located in the opening beneath the control
d.
Open control panel access door (6, figure 1-1).
panel.
Table II. Control Panel Controls and Instruments
Index No.
Title
Description
Function
1
Reservoir Shutoff Valve
1 in. gate valve
Controls fluid flow from reservoir into hydraulic system.
2
30-0-30 range
Indicates generator output and/or ampere load on battery.
3
HP Gage Shutoff
Needle valve 1/4 in.
Isolates high pressure gage.
4
Gage Test Fitting
Union and cap
Testing high pressure gage.
5
HP Filter Indicator
Press-to-test
Indicates clogged HP filter when lighted.
indicator light - red
6
High Pressure Gage
0 to 6000 psi
Indicates hydraulic system pressure.
7
Flow Indicator
Variable indicator
Indicates hydraulic pump delivery from 0 to 10 gpm.
8
Fluid Level Indicator
E - 1/2 - F
Indicates fluid level in hydraulic reservoir.
9
Low Pressure Gage
30" and 0 to 150
Indicates vacuum and/or pressure in hydraulic suction system.
psi
10
LP Filter Indicator
Press-to-test
Indicates clogged LP filter when lighted.
indicator light - red
-20oF to 200F
11
Fluid Temperature Gage
Indicates temperature of fluid in hydraulic system.
12
Pressure Selector Valve
3-way valve
Connects filter pressure gage to manifold and pump suction inlet to
measure across LP filter.
13
Gage Test Fitting
Union and cap
Testing low pressure gage.
3-1
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |