TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
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TM 9–1200–215–34&P 2–43 2–22. ETHERNET CABLE AND 1553 (CHANNEL B) CABLE MAINTENANCE INSTRUCTIONS CONTINUED b. INSTALLATION CONTINUED NOTE Hardware attaching retaining strap to ACU may be securing more than one retaining strap. Upon installation of applicable retaining strap, ensure that all straps secured with same hardware are installed. 5. If removed, attach retaining straps (19 and 20) to ACU by inserting screw (16), new lockwasher (17), and flat washer (18) or retaining straps (12, 13, or 14) by inserting screw (9), new lockwasher (10) and flat washer (11). 6. Install cap (21) onto 1553 cable connector (25) or cap (15) onto Ethernet cable connector (24). 7. Connect cable (6 or 7) to edge of CPU CCA (8). CAUTION The EMI shielding gasket is vital to this piece of equipment and is easily damaged. Handle with care when removing or replacing it. Failure to comply may result in damage to equipment. 8. If removed, install EMI shielding gasket (4) in groove in housing (5). 9. Position connector panel (1) on housing and align holes. 10. Install 16 screws (2) and 16 flat washers (3). Following torque sequence chart below, torque screws to 30 in.–lb (3.4 NSm). 1 2 3 4 10 16 3 11 5 8 12 4 15 9 13 1 7 14 2 6 5 12 15 13 9 10 11 14 21 16 17 18 20 19 6 7 8 24 25