TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Organizational Troubleshooting (continued)
Table 4-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
82.
a.
Disconnect battery.
b.
If diode to be tested is on TBl (8, 9, figure 4-20), lower
control panel (paragraph 4-24.a). Disconnect control panel
support cable and lower control panel onto access door.
c. If diode to be tested is on TB2 (10, 11, figure 4-20) or TB3
(4, 5), remove battery charger access panel.
NOTE
The teat procedure is the same for any diode type 1N5061 or MR756. Diode
TB3-CR1 (3, figure 4-21). is illustrated.
d.
Remove terminal screw (1) and one lead of diode (3).
Using an analog multimeter (AN/PSM 4 or equivalent) on X1
e.
scale, measure resistance from diode anode lead (9) (meter
positive lead) to diode cathode lead (11). If resistance is
greater than 25 ohms, replace diode.
Set meter to X10,000 scale and measure resistance from diode
f.
cathode lead (11) (meter positive lead) to diode anode lead
(9). If resistance is less than 10K ohms, replace diode.
g.
If diode is good, reconnect diode lead to terminal board.
95% ENABLE RELAY 3Kl MALFUNCTION.
83.
If the 95% enable relay 3K1 is suspected of malfunction, teat relay and
associated wiring as follows:
a.
Disconnect battery and lower control panel (paragraph
4-24 .a).
b.
Open electrical trays access door.
Disconnect main harness connector P8 from electrical tray
C.
connector J8.
d.
Perform tests indicated in table 4-6 for relay in deactivated
state (see FO-3, sheet 2, FO-5, and FO-9).
