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
62.
(continued)
Test PNEUMATIC POWER switch 1S8 (malfunction 79).
Step 9.
Replace switch if defective (paragraph 4-104.c), and perform
a.
operational check.
If switch tests good, do step 10.
b.
Step 10.
Remove battery charger access cover. Disconnect main harness
connector P6 from control panel connector J6. Check for continuity
between the following points (see FO-7).
If no continuity,
Check continuity
replace wire no.
To
From
H6A20
1S8-11
J6-E
H6B20
Pressure
relief
P6-E
valve
L1 NO
H9A20N
Pressure
relief
GND TB
valve
L1 GND
See (2, figure 4-20) for GND TB location and (23, figure 4-55) for
pressure relief valve (solenoid) L1 location.
a. If no continuity, replace indicated wire.
b. If all continuity checks good, replace pressure relief valve
c. Perform operational check.
Step 11.
Test pressure transducer MT2 (malfunction 100).
Replace pressure transducer if defective (paragraph 4-78),
a.
and perform operational check.
If pressure transducer tests good, continue with next step.
b.
Step 12.
Shut down engine and disconnect battery. Lower control panel.
Disconnect wire from TB1-13 ANODE (see figure 4-21). Measure
resistance between disconnected wire and TB1-13 CATHODE.
4-95
