ARMY TM 9-6115-670-14&P
5-64
5.23. REGULATOR BOX.
This task covers: Replace
INITIAL SETUP
Tools
General Mechanic's Tool Kit
(Item 1, Appendix B)
Materials/Parts
Regulator Box
Equipment Conditions
MASTER ON-OFF switch on APU control unit set
to off.
APU DC Box Wiring Harness J1 removed (para
5.26.).
AVR removed (para 5.22.).
Relay sockets removed (para 5.21.).
Current shunt removed (para 4.55.).
Ground strap removed (para 5.54.).
REPLACE
a. Remove four screws (JTACS), or slotted hex-head bolts (SICPS and WIN-T), flat and lock
washers (7, Figure 5-17), and generator housing top cover (6).
b. Remove two screws, wing nuts and lock washers (9a) (JTACS), or four slotted hex-head bolts
(SICPS and WIN-T), flat and lock washers (9), and generator housing side cover (8) (muffler
side).
c. Remove four screws (JTACS), slotted hex bolts, and lock washers (SICPS and WIN-T) (5)
securing regulator box (2) to generator housing (11).
d. Remove three bolts and lock washers (4) (JTACS), or three bolts, flat and lock washers (SICPS
and WIN-T), and regulator box (2).
e. Remove two captive screws (1) and flat washers from regulator box (2).
WARNING
Ensure that APU DC power supply is disconnected.
Failure to observe this warning could result in severe
injury or DEATH to personnel.
WARNING
Ensure that the APU is turned off and completely de-
energized before opening generator housing.
Failure to observe this warning could result in severe
injury or DEATH to personnel.
