TM
55-1730-229-12
AG
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
53.
b.
If AC VOLTS meter reads 0 for all positions of AC PHASE
SELECT switch, go to step 5.
Step 2.
Measure 115 vac at convenience receptacles J1 through J4).
a. If voltage is not present at all receptacles, replace ac
contactor K1 (paragraph 4-53), and perform operational
check.
b.
If voltage is present at ac convenience receptacles, do
step 3.
Step 3.
Test AC PHASE SELECT switch 1S9 (malfunction 79).
a. Replace switch if defective (paragraph 4-104.b), and perform
operational check.
b.
If switch tests good, do step 4.
Step 4.
Check that battery is disconnected. Remove battery charger access
cover. Disconnect main harness connector P7 from control panel
connector J7. Check for continuity between the following points (see
Check continuity
If no continuity,
From
To
replace wire no.
J7-22R
1S9-1
X31C20A
J7-21L
1S9-2
X32C20B
J7-20R
1S9-3
X33C2OC
P7-21L
K1-A2
X31B20A
P7-21R
K1-B2
X32B20B
P7-20L
K1-C2
X33B2OC
If no continuity, replace indicated wire, and perform
operational check.
Step 5.
Shut down engine. Disconnect battery and lower control panel (para-
4-82
