ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
m. If any indications are other than above, replace defective component.
FIGURE 2-18. Diode Identification
n. If no repair is needed, install control box top panel, paragraph 2.15.4.
o. Raise and secure control panel.
p. Connect negative battery cable and close battery access door.
2.65.3.
Removal.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Remove control box top panel, paragraph 2.15.1,
d. Tag and disconnect resistor-diode assembly (71, FIGURE 2-14) electrical leads.
e. Remove screws (70) and resistor-diode assembly (71).
2.65.4.
Repair.
Repair resistor-diode assembly (71, FIGURE 2-14) by replacing resistors (72) and diodes (73).
2.65.5. Installation.
a. Install resistor-diode assembly (71, FIGURE 2-14) and secure with screws (70)
b. Connect electrical leads and remove tags.
c. Install control box top panel, paragraph 2.15.4.
d. Connect negative battery cable. Close battery access door.
2.66. CONTROL PANEL.
2.66.1.
Inspection.
Inspect control panel (10, FIGURE 2-19) for dents, cracks, loose paint, and corrosion
2.66.2.
Removal.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Remove press to test lights from control panel (do not unsolder wires), paragraph 2.21.3.
d. Remove VOLTAGE adjust potentiometer from control panel (do not remove wires), paragraph 2.33.2.
e. Remove FREQUENCY adjust potentiometer from control panel (do not remove wires), paragraph 2.34.2.
f.
Tag and disconnect all electrical leads to remaining indicators and switches on control panel (10, FIGURE 2-19).
g. Remove screw (1). nuts (2). and strap (3).
Change 4
2-99
