ARMY TM 9-6115-672-14
AIR FORCE TO 35C2-3-444-32
MARINE CORPS TM 09244A/09245A-14
4-189
(7)
Check for closed circuits (continuity) between AC circuit interrupter (17) terminals A1 and A2, B1
and B2, C1 and C2, and 11 and 12.
(8)
Disconnect negative battery cable.
(9)
Replace AC circuit interrupter if indications are other than as specified above.
(10) If replacement is not necessary, remove jumper wire from terminal A1 of cranking relay (20) to
terminal X of AC circuit interrupter (17).
(11) Close output box access door.
(12) Connect negative battery cable to battery, and close BATTERY ACCESS door.
c. Replacement.
(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 and load terminal board access doors (Figure 1-2).
(4)
Remove rear panel. Refer to paragraph 4.7.5.
(5)
Remove screws (12, Figure 4-28), washers (13), and cover (14) from AC circuit interrupter (17).
(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.
