TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 522 of 953
4-117. CONTROL BOX FUSE BLOCK AND RELAY SOCKET REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove two tiedown straps (3) from fuse block leads (7). Discard tiedown straps (3). 2. Remove two plain-assembled nuts (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 plain-assembled nuts (6). 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 plain-assembled nuts (6). 3. Install fuse block leads (7) with two tiedown straps (3). Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Control box removed (para. 4-96 or 4-97). • If replacing a fuse block: remove fuses (TM 9-2320-280-10). • If replacing relay socket: remove relays (para. 4-120). TM 9-2320-280-20-2 4-276 Change 3 NOTE Procedures for replacing the upper fuse block, and relay socket are basically the same. This procedure covers replacement of the lower fuse block. NOTE Prior to removal, tag leads for installation. 3. Disconnect six leads (7) from fuse block (4) and remove fuse block (4). INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two plain-assembled nuts (Appendix G, Item 201) Two tiedown straps (Appendix G, Item 308)