TM 10-5410-228-24
2.13.21 Inverter Replacement.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Tools/Test Equipment:
Equipment Conditions:
Shop Equipment, Automotive Maintenance and
Power shut off and power panel and cab area
Repair (Item 38, Appendix B)
tagged.
Shop Equipment: Electrical Equipment
ECV parking brake set.
(Item 40, Appendix B)
ECV battery ground cable disconnected
(see TM 9-2320-387-24-1).
Materials/Parts:
Sixteen Lockwashers (Item 17, Appendix E)
References:
TM 9-2320-387-24-1
Personnel: (2)
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 9-2320-387-24-1. 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.
a. Removal (Refer to Figure 2-42)
(1)
Remove eleven screws (1), eleven lockwashers (2) and eleven flat washers (3) securing guard (4)
to side of rack (5). Discard eleven lockwashers (2).
(2)
Remove four screws (6), four lockwashers (7) and four flat washers (8) securing inverter (9) to
rack (5). Discard four lockwashers (7).
(3)
Pull out inverter (9) far enough to gain access to back of unit.
(4)
Disconnect 1A4W11 cable assembly connector P2 (10) from inverter connector J1.
(5)
Disconnect 1A4W12 cable assembly connector P2 (11) from inverter connector J2.
(6)
Remove nut (12), lockwasher (13) and flat washer (14) securing ground lead (15) to ground lug
(16). Discard lockwasher (13).
The inverter is heavy. To prevent injury to personnel, two people are required to lift inverter.
(7)
Remove hold-down bracket on back side of ladder per paragraph 2.13.10.
(8)
Remove inverter (9) from rack (5).
b. Installation (Refer to Figure 2-42)
(1)
Place inverter (9) in rack (5), do not slide all the way back.
(2)
Install hold-down bracket for ladder per paragraph 2.13.10.
(3)
Connect ground lead (15) to ground lug (16) and secure with nut (12), new lockwasher (13) (Item
17, Appx E) and flat washer (14).
(4)
Connect 1A4W11 cable assembly connector P2 (10) to inverter connector J1, located on the back
of the unit.