ARMY TM 9-6115-644-24
AIR FORCE TO 35C2-3-446-12
MARINE CORPS TM 09249A/09246A-24/2
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2-41-4
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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 EMERGENCY STOP switch (44, FIGURE 2-13) electrical leads.
With Switch in normal (OUT) position, set multimeter for ohms and check circuit between switch terminals. If
no continuity is indicated, EMERGENCY STOP switch is defective.
Push EMERGENCY STOP switch to the in position.
Check for continuity between switch terminals. Replace switch if continuity is indicated.
Connect electrical leads to switch (44) and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
Installation.
Insert EMERGENCY STOP switch (44, FIGURE 2-13) into control panel.
Install nut (43) and knob (42).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable and close battery access door.
2-42 REACTIVE CURRENT ADJUST RHEOSTAT.
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Inspection.
Shut down generator set.
Inspect rheostat for loose connections and mounting, and other damage.
Testing.
Shut down generator set.
Open battery access door and disconnect negative battery cable.
Remove control box top panel, paragraph 2-15-1.
Disconnect wires 143C from TB4 terminal 21, 142A from TB6 terminal 12, and 135B from TB5 terminal 4.
Mark reading of REACTIVE CURRENT ADJUST rheostat to reposition at conclusion of testing steps.
Set multimeter for ohms and connect to wires 135B and 142A. Multimeter reading should be between 4.5 and
5.5 ohms.
Connect multimeter to wires 135B and 143C, and turn REACTIVE CURRENT ADJUST rheostat to full clockwise
position. Multimeter reading should be approximately O ohms. Turn REACTIVE CURRENT ADJUST rheostat
slowly to full counter clockwise position and observe multimeter. Multimeter reading should evenly increase to
between 4.5 and 5.5 ohms.
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