GENERATOR CHARGING CIRCUIT. (Cont) - TM-9-2350-238-20-10166

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

To access voltage regulator, remove left CO2 cylinder access cover. Refer

Step 1.

to page 2-923. Disconnect wiring harness from voltage regulator. Place

red probe in plug socket G (lead 5). Ground black probe. Set MASTER

switch ON. If multimeter indicates no voltage, go to step 2. If multimeter

indicates about 24 volts, go to step 5. Set MASTER switch OFF. Connect

wiring harness to voltage regulator.

Place red probe in socket (-) of slave receptacle. Ground black probe. If

Step 2.

multimeter indicates continuity, go to step 3. If multimeter indicates no

continuity, repair lead 50 between slave receptacle and ground (located

above aft air cleaner centrifugal fan). Refer to page 2-371.

2-140