TM 9-2320-260-34-2
15-82. LOAD CENTER MAINTENANCE
THIS TASK COVERS:
c. Assembly
a. Removal
d. Installation
b. Disassembly
INITIAL SETUP
MATERIALS/PARTS (Contd)
APPLICABLE MODELS
M820, M820A1, M820A2
Safety wire (Appendix D, Item 372)
Electrical tape (Appendix C, Item 51)
TEST EQUIPMENT
Sealing compound (Appendix C, Item 43)
Multimeter (Appendix B, Item 115)
Solder (Appendix C, Item 47)
TOOLS
REFERENCES (TM)
General mechanic's tool kit
TM 9-2320-260-10
TM 9-2320-260-20
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 106)
TM 9-2320-260-34P-2
Soldering gun (Appendix B, Item 117)
EQUIPMENT CONDITION
MATERIALS/PARTS
q Battery ground cable disconnected
Two lockwashers (Appendix D, Item 248)
(TM 9-2320-260-20).
Gasket (Appendix D, Item 76)
q External power source disconnected
Four lockwashers (Appendix D, Item 224)
(TM 9-2320-260-10).
Three lockwashers (Appendix D, Item 244)
NOTE
Tag wires, cables, and leads for installation.
CAUTION
Use care when replacing load center. Excessive snagging and
pulling may damage wiring harness.
1.
Remove six screws (1) and cover (2) from load center (4).
2.
Remove three setscrews (12) and wires (13) from relay (5).
Remove setscrew (10) and wire (11) from neutral bar (6).
3.
4.
Remove three screws (8) and five wires (9) from three 20-amp circuit breakers (7).
Remove main wiring harness (3) from load center (4).
5.
6.
Remove setscrew (20) and three wires (21) from relay (5).
Remove setscrew (18) and wire (19) from neutral bar (6).
7.
8.
Remove three screws (16) and five wires (17) from three 20-amp circuit breakers (15).
9.
Remove main wiring harness (14) from load center (4).
NOTE
Perform steps 10 through 12 for M820 and M820A2 vehicles.
10.
Remove setscrew (27) and wires (28) and (26) from relay (5).
11.
Remove screw (24) and wire (25) from 20-amp circuit breaker (23).
12.
Remove blackout bypass wiring harness (22) from load center (4).
13.
Remove nut (30), lockwasher (29), wires (31), (32), and (35), screw (34), and lockwasher (33) from
load center (4). Discard lockwashers (29) and (33).
14.
Remove three screws (37) and wires (38) from 40-amp circuit breaker (36).
15.
Remove air conditioner wiring harness (39) from load center (4).
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