TM
55-1730-229-12
AG
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
4-2.Organizational
Troubleshooting
(continued)
Table
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
54.
Check
continuity
If no continuity,
From
To
replace wire no.
J9-G
transducer
X59A20
MTR (+)
J18-A
transducer
X9T20
115 VAC (-)
J7-16L
1M8(-)
X9P20N
1M8(+)
X41B20
J7-7L
J7-14R
1M10(-)
X9H20N
1M10(+)
J7-15L
X59C20
a. If no continuity, replace indicated wire.
b. If all continuity checks good, replace frequency transducer
c. Perform operational check.
AC %LOAD METER READS 0 (AC POWER ON INDICATOR LIT AND AC POWER CABLE CONNECTED
55.
TO LOAD).
Step 1.
Check load.
a. If load is drawing current, go to step 2.
b. If load is not drawing current shut down engine and discon-
nect battery. Check load and AGPU ac output cable.
Step 2.
Check %LOAD meter for each setting of AC PHASE SELECT switch. Shut
down engine and disconnect battery.
a.
If %LOAD meter reads normal for one or more positions of AC
PHASE SELECT switch, go to step 6.
b.
If %LOAD meter reads 0 for all positions of AC PHASE SELECT
switch, continue with 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.
