ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
b. Testing.
(1) Shut down generator set.
(2) Release instrument panel by turning fastener, open instrument panel slowly.
(3) Disconnect engine wiring harness plug (P2) from receptacle (J2) of control panel
engine wiring harness (Figure 4-42).
(4) Set multimeter for ohms and check for continuity between J2 pin A and START-
PREHEAT/PREHEAT/OFF/START switch (S2) pin H, J2 pin B and TB1 connector
3, J2 pin C and S2 pin S, J2 pin D and NATO slave receptacle (SR1) pin +, J2 pin
E and TB1 connector 5, and J2 pin F and TB1 connector 6. (MEP-531A).
(5) Set multimeter for ohms and check for continuity between J2 pin A and START-
PREHEAT/PREHEAT/OFF/START switch (S2) pin H, J2 pin B and TB1 connector
4, J2 pin C and S2 pin S, J2 pin D and NATO slave receptacle (SR1) pin +, J2 pin
E and TB1 connector 6, and J2 pin F and TB1 connector 7. (MEP-501A).
(6) If necessary, repair wiring harness. Then connect engine wiring harness plug to
control panel engine wiring harness receptacle.
(7) Close and secure instrument panel.
c.
Removal.
(1) Shut down generator set.
(2) Release instrument panel by turning fastener, open instrument panel slowly.
(3) Disconnect engine wiring harness plug from receptacle of control panel engine
wiring harness (Figure 4-42).
(4) Cut cable ties as necessary.
(5) Tag and disconnect electrical leads for control panel engine wiring harness from
terminals 3, 5, and 6 of TB1, terminals S and H of PREHEAT-
START\PREHEAT\OFF\ START rotary switch, and + terminal of NATO slave
receptacle. (MEP-531A)
(6) Tag and disconnect electrical leads for control panel engine wiring harness from
terminals 4, 6, and 7 of TB1, terminals S and H of PREHEAT-
START\PREHEAT\OFF\ START rotary switch, and + terminal of NATO slave
receptacle. (MEP-501A)
(7) Remove screws, lockwashers, washers, control panel engine wiring harness, and
gasket from control panel.
d.
Repair.
(1) Cut cable ties as necessary.
(2) If replacing individual wires and/or connectors, tag and remove defective wires.
Then install new cable ties as necessary and remove tags.
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