This task covers:
System power shut off, rear control panel and
power panel tagged.
Shop Equipment, Automotive Maintenance and
ECV parking brake set.
ECV battery ground cable disconnected
Shop Equipment: Electrical Equipment
(see TM 9-2320-387-24).
CBPS contains high electrical currents. To prevent electrical shock when working on
electrical system, ensure that power cable is disconnected from power panel and ECV
batteries are disconnected per TM 9-2320-387-24. Tag power panel and battery area with
sign that states that the power must remain OFF while work is being performed.
Remove jewelry and observe all safety rules for working around high voltage.
Remove/disassemble only to the extent necessary to remove or replace defective
assemblies/components. Use standard maintenance shop practices/procedures.
Remove eight screws (1), eight lockwashers (2) and eight flat washers (3) securing control panel
faceplate assembly (4) to control box weld assembly (5). Discard eight lockwashers (2).
Disconnect cable connector 1A4W6P1 from connector J1 (6), cable connector 1A4W7J3 from
connector P3 (7), and cable connector 1A4W4P2 from connector J2 (8).
Remove six screws (9), six lockwashers (10) and six flat washers (11) securing control box weld
assembly (5) to LMS. Discard six lockwashers (10).
Remove cover assemblies (12) from terminal board assemblies TB1 and TB2 (13).
Remove eight nuts (14), eight lockwashers (15) and eight flat washers (16) securing terminal
lugs (17) to terminal board assemblies TB1 and TB2 (13). Tag terminal lug wires and remove
terminal lugs (17) from terminal board assemblies TB1 and TB2 (13). Discard eight lockwashers
Remove two jumpers (18) from terminal board assemblies TB1 and TB2 (13).