TM 9-2320-387-24-1
4-6
Change 1
4-4. PROTECTIVE CONTROL BOX (PCB) REPLACEMENT
This task covers:
a. Removal
b. Installation
CAUTION
The control box must be supported from inside the vehicle during
removal and installation. Failure to do this may result in damage
to Protective Control Box (PCB).
1.
From inside the vehicle, disconnect body wiring harness cannon plug (4) from PCB (5).
2.
Working under hood, disconnect engine wiring harness cannon plug (6) from PCB connector (7).
NOTE
Perform step 3 for M1114 vehicles. Perform step 4 for M1113
vehicles.
3.
Remove four screws (5.1) and PCB (5) from cowl (3).
4.
Remove four nut and lockwasher assemblies (1) and PCB (5) from cowl (3). Discard nut and lock-
washer assemblies (1).
1.
Position PCB (5) under instrument panel (2) against cowl (3).
NOTE
Perform step 2 for M1114 vehicles. Perform step 2.1 for M1113
vehicles.
2.
From under hood, install PCB (5) on cowl (3) with four screws (5.1). Tighten screws (5.1) to
6 lb-ft (8 N•m).
2.1. From under hood, install PCB (5) on cowl (3) with four nut and lockwasher assemblies (1). Tighten
nut and lockwashers assemblies (1) to 6 lb-ft (8 N•m).
3.
Fill cannon plug (6) and PCB connector (7) to capacity with silicone compound.
4.
Connect engine wiring harness cannon plug (6) to PCB connector (7).
5.
From inside vehicle, connect body wiring harness cannon plug (4) to PCB (5).
b. Installation
a. Removal
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Maintenance and repair shop equipment:
automotive (Appendix B, Item 2)
Materials/Parts
Silicone compound (Appendix C, Item 74)
Four nut and lockwasher assemblies
(Appendix G, Item 244)
Personnel Required
One mechanic
One assistant
Manual References
TM 9-2320-387-10
TM 9-2320-387-24P
Equipment Condition
• Battery ground cables disconnected (para. 4-68).
• Hood raised and secured (TM 9-2320-387-10).
Maintenance Level
Unit
