ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
e. Remove nuts (3) and screws (4)
f
Remove MASTER SWITCH (5) from control panel
N O T E
Ensure the diode is properly tagged so the polarity is not reversed dur-
ing installation
g
Tag and disconnect MASTER SWITCH (5) electrical leads.
2.32.3.
Testing
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable.
c.
Release control panel by turning two fasteners and lower control panel slowly.
d
Tag and disconnect MASTER SWITCH (5, FIGURE 2-13) electrical leads
e.
Set multimeter for ohms and check switch for continuity. Refer to Electrical Schematic FO-1 (5-1 Circuit Schedule)
to determine circuits made to corresponding switch positions.
f.
Check continuity until all five positions have been checked.
g. If open circuit is noted in any switch position, switch is unserviceable and must be replaced.
h. Connect electrical leads to MASTER SWITCH (5) and remove tags
i
Raise and secure control panel.
j.
Connect negative battery cable and close battery access door.
2.32.4.
Installation.
a. Connect electrical leads to MASTER SWITCH (5, FIGURE 2-13) and remove tags.
b. Insert MASTER SWITCH (5) into control panel
c
Install screws (4) and nuts (5)
d
Install knob (2) and tighten set screw (1).
e. Raise and secure control panel.
f
Connect negative battery cable. Close battery access door
2.33 VOLTAGE ADJUST POTENTIOMETER.
2.33.1.
Inspection.
a Shut down generator set.
b. Inspect potentiometer for loose connections and mounting, and other damage
2.33.2.
Removal.
a. Shut down generator set.
b. Open battery access door and disconnect negative battery cable
c
Release control panel by turning two fasteners and lower control panel slowly
d
Tag and disconnect VOLTAGE adjust potentiometer (10, FIGURE 2-13) rheostat electrical leads using soldering
gun. Remove shrinkable tubing
2-64
