ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
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2-38-3
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2-38-4
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Open battery access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly,
Tag and disconnect PARALLEL-UNIT switch (31, FIGURE 2-13) electrical Ieads,
Remove nut (29) end washer (30).
Remove PARALLEL-UNIT switch (31) from control panel and tab washer (32) from switch stem.
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 PARALLEL-UNIT switch (31, FIGURE 2-13) electrical leads.
NOTE
Refer to Wiring Diagram FO-2 for terminal positions.
Place switch in PARALLEL position.
Set multimeter for ohms and check for continuity between terminals 1 and 2, 4 and 5, 7 and 8, and 10 and 11.
Place switch in UNIT position.
Check for continuity between terminals: 2 and 3, 5 and 6, 8 and 9, and 11 and 12.
Replace switch if any open circuit is indicated.
Connect electrical leads to switch (31) and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
Installation.
Install tab washer (32, FIGURE 2-13) and insert PARALLEL-UNIT switch (31) into control panel.
Install washer (30) and nut (29).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable. Close battery access door.
2-39 AM-VM TRANSFER SWITCH.
2-39-1 Inspection.
a. Shutdown generator set.
b. Inspect switch for loose connections and mounting, and other damage.
2-39-2 Removal.
2-74
