TM 11-6720-242-35
(2) Set the POWER switch on the V/H control
(11) Remove the screws (27), nuts (28), and
panel to OFF.
washers (29) securing the connector (26) to the chassis
(3) Adjust the variable ac source for an
(34). Remove the connector.
output of 115 + 1 vac.
b. Reassembly. Reassemble by reversing the
(4) Depress the POWER lamp press-to-test
jewel. The lamp lights.
disassembly procedure of a above.
(5) Set the KNOTS PER FOOT switch to 1.4-
6-14. General Support Test Procedure
1.5.
a. General. The procedure that follows insures
(6) Set the POWER switch to ON. Check to
see that the ac input is as set in (3) above. The digital
that equipment repaired at the general support facility is
voltmeter reads between 71.68 and 79.22 vdc.
in serviceable condition before it is returned to the field.
(7) Repeat steps (1) through (6) for the
b. Test Equipment Required. The following test
remaining positions of the KNOTS PER FOOT switch in
accordance with the following list
equipment is required for the general support tests:
KNOTS PER FOOT
V/H Voltage
(1) A variable ac source of 115-vac, single
switch position
limits
phase, 400-Hz power.
1.2 -1.4 ......................................62.10-68.64
(2) A source of + 5 vdc.
1.0 -1.2 ......................................50.99-56.35
(3) Digital voltmeter.
0.80-1.0 .....................................43.01-47.53
(4) Multimeter AN/URM-105.
0.60-0.80 ...................................33.44-36.96
(5) A 100K, 1/2 watt, 51 resistor.
0.40-0.60 ...................................23.89-26.41
(6) Dummy plug (MS3126E14-195).
c. Physical Tests and Inspection. The tests and
0.20-0.40 ...................................16.96-18.74
0.10-0.20 ..................................... 7.17- 7.93
procedures in chapter 4 of this manual generally apply
0.08-0.10 ..................................... 4.24- 4.68
to the V/H panel.
0.06-0.08 ..................................... 3.34- 3.70
d. Functional Test.
0.05-0.06 ..................................... 2.63- 2.91
0.04-0.05 ..................................... 2.12- 2.34
(1) Connect the V/H control panel to the test
equipment as shown in figure 6-7.
6-8
