TM 9-2320-280-20-2
4-117. CONTROL BOX FUSE BLOCK AND RELAY SOCKET REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M996, M996A1, M997, M997A1, M997A2
TM 9-2320-280-10
TM 9-2320-280-24P
Tools
General mechanic’s tool kit:
Equipment Condition
automotive (Appendix B, Item 1)
Control box removed (para. 4-96 or 4-97).
If replacing a fuse block remove fuses
Materials/Parts
(TM 9-2320-280-10).
Two nut and lockwasher assemblies
If replacing relay socket: remove relays
(Appendix G, Item 146)
(para. 4-120).
Two tiedown straps (Appendix G, Item 241)
N O T E
Procedures for replacing the upper fuse block, and relay socket are
basically the same. This procedure covers replacement of the lower
fuse block.
a. Removal
1. Remove two tiedown straps (3) from fuse block leads (7). Discard tiedown straps (3).
2. Remove two nut and lockwasher assemblies (6), washers (5), and screws (2) from fuse block (4) and
control box (1) and pull fuse block (4) away for access to leads (7). Discard nut and lockwasher
assemblies (6).
N O TE
Prior to removal, tag leads for installation.
3. Disconnect six leads (7) from fuse block (4) and remove fuse block (4).
b. Installation
1. Connect six leads (7) to fuse block (4).
2. Install fuse block (4) on control box (1) with two screws (2), washers (5), and nut and lockwasher
assemblies (6).
3. Install fuse block leads (7) with two tiedown straps (3).
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