5-7. Switch Box Repair. The power plant switch box assembly is repaired by replacing defective
components or by repairing individual wires within the switch box. Replacement of the switches is
authorized only at the Intermediate Direct Support and General Support levels of maintenance.
All internal switch box wiring is labeled for identification with reference desig-
nations of its points of connection. If labeling has been removed, or is illegi-
ble, tag wires for identification before removing them.
a. Switch Replacement. (See figure 5-6.)
To avoid risk of injury or death by electrocution, do not remove switch box
access cover while either power unit is still connected to swtich box.
(a) Remove 14 screws (1 figure 5-6), 14 Iockwashers (2), and 14 flat washers (3) secur-
ing access cover (4) to switch box (5) and remove cover.
(b) Remove six nuts (6) and six Iockwashers (7) securing wires (8) to switch (9) and slide
wire terminals off threaded posts on switch.
(c) Remove four screws (10), four flat washers (11) and four nuts
to switch box (5) and remove switch.
12) securing switch (9)
Figure 5-6. Switch Replacement.