TM 55-4920-428-13
5-50. Gage Test. Perform the test preparation (para 5-47.), then proceed as follows:
a. If component or tubes have been disconnected or replaced, perform the fill and bleed task (para 2-
8).
b. Set the shop hydraulic power supply for 3750 psi.
C. Check that valves are set as follows:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
CASE VENT LINE PRESS valve - Full CLOSE
RETURN BACK PRESS valve - Full CLOSE
LOW PRESS REGULATOR valve - Full DECREASE
RETURN SHUTOFF VALVE - Full OPEN
Both RETURN valves - OFF
Both SAS PRESS valves - OFF
Both ILCA PRESS valves - OFF
HIGH PRESS SHUTOFF VALVE - Full CLOSE
HIGH PRESS REGULATOR valve - Full DECREASE
(10) SOLENOID valve - CLOSED (in)
d Set the electrical unit power switch to ON. The POWER light shall come on.
e. Set the SOLENOID SHUTOFF switch to OPEN. The OPEN light shall come on.
f. Pull the SOLENOID knob on the hydraulic unit to OPEN (up). The SOLENOID knob light shall
come on. The HIGH PRESS gage shall not indicate more than 315 psi. The LOW PRESS gage shall not
indicate more than 60 psi.
g. Set the HIGH PRESS REGULATOR to full INCREASE. The HIGH PRESS gage shall not indi-
cate more than 3550 psi. The LOW PRESS gage shall not indicate more than 60 psi.
h. Set the shop hydraulic power supply at 500 psi.
i. Set the LOW PRESS REGULATOR to full INCREASE. The LOW PRESS gage shall not indicate
more than 315 psi.
j. Set the HIGH and LOW PRESS REGULATORS to full DECREASE.
k. If no additional testing is required, perform the normal shutdown procedure. (Ref para 2-10.)
5-51. Repackaging for Shipment or Limited Storage.
(See fig. 2-1.) The exact procedure for repackaging depends on the material available and the condi-
tions under which the equipment is to be shipped or stored. Adapt the procedure below whenever cir-
cumstances permit.
5-52. Packing. The information concerning the original packaging (para 2-2) will be helpful. For
stock numbers of material, refer to SB 38-100.
a. Material Requirements. Obtain 40 sq. ft. of styrofoam cushioning material or equal for packag-
ing the test set.
5-1
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