ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
2-37 AC CIRCUIT INTERRUPTER SWITCH.
2-37.1
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b.
2-37.2
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2-37.3
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b.
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f.
2-37.4
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e.
Inspection.
Shut down generator set.
Inspect switch for loose connections and mounting, and other damage.
Testing.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect AC CIRCUIT INTERRUPTER switch (27, FIGURE 2-13) electrical leads.
NOTE
Refer to Wiring Diagram FO-2 for terminal positions.
Set multimeter for ohms and check for continuity between terminals 5 and 4, and terminals 2 and 3.
Check for open circuits between terminals 5 and 6, and terminals 1 and 2.
Place and hold AC CIRCUIT INTERRUPTER switch in CLOSED position.
Check for continuity between terminals 5 and 6, and terminals 2 and 3.
Check for open circuits between terminals 5 and 4, and terminals 2 and 1.
Place and hold AC CIRCUIT INTERRUPTER switch in OPEN position.
Check for continuity between terminals 5 and 4, and terminals 1 and 2.
Check for open circuits between terminals 5 and 6, and terminals 3 and 1.
Replace switch if any continuity check is other than indicated above.
Connect electrical leads to switch (27) and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
Removal.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect AC CIRCUIT INTERRUPTER switch (27, FIGURE 2-13) electrical leads.
Remove nut (25) and washer (26).
Remove AC CIRCUIT INTERRUPTER switch (27) from control panel and tab washer (28) from switch stem.
Installation.
Install tab washer (28, FIGURE 2-13) and insert AC CIRCUIT INTERRUPTER switch (27) into control panel.
Install washer (26) and nut (25).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable. Close battery access door.
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