ARMY TM 9-6115-671-14
AIR FORCE TO 35C2-3-446-32
MARINE CORPS TM 09249A/09246A-14
4-189
(6)
Tag and disconnect electrical leads from AC circuit interrupter (17).
(7)
Remove locknuts (15), screws (16), and AC circuit interrupter (17) from output box.
(8)
Install AC circuit interrupter (17, Figure 4-28), screws (16), and locknuts (15) on output box.
(9)
Connect electrical leads to AC circuit interrupter (17). Remove tags.
(10) Install cover (14), washers (13), and screws (12) on AC circuit interrupter (17).
(11) Install rear panel. Refer to paragraph 4.7.5.
(12) Close output box and load terminal board access doors.
(13) Connect negative battery cable to battery, and close BATTERY ACCESS door.
4.12.7 Cranking Relay K2.
a. Inspection.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open output box access door (Figure 1-2).
(3)
Inspect cranking relay (20, Figure 4-28) for security, cracked housing, broken wire terminals, and
loose or missing hardware.
(4)
Close output box access door.
b. Testing.
(1)
Shut down generator set, paragraph 2.11.2.
(2)
Open BATTERY ACCESS door (Figure 1-2), and disconnect negative battery cable.
(3)
Open output box access door (Figure 1-2).
(4)
Tag and disconnect wires from terminals X1, X2, and A2 of cranking relay (20, Figure 4-28).
(5)
Connect a jumper wire between terminals A1 and X1 of cranking relay (20).
(6)
Connect negative battery cable to battery.
(7)
Connect X2 wires disconnected in step 4 to cranking relay (20) terminal X2. Listen for audible
actuation.
(8)
Set multimeter for ohms, and check for continuity between terminals A1 and A2 of cranking relay
(20). If no continuity is indicated, cranking relay is defective. Notify next higher level of
maintenance.
(9)
If cranking relay (20) is not defective, disconnect negative battery cable.
(10) Remove jumper wire from cranking relay (20).
