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 2–39 2–21. SERIAL I/O PORT CABLE, VGA CABLE, SCSI RIBBON 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. 6. If removed, attach retaining straps (21, 22, and 23) to ACU by inserting screw (18), new lockwasher (19), and flat washer (20) or attach retaining straps (29 and 30) by inserting screw (26), new lockwasher (27), and flat washer (28). 7. Install cap (24) onto Serial I/O Port cable connector and cap (25) onto VGA cable connector. 8. Install cap (31) onto SCSI cable connector. 9. Connect ribbon cable (10, 11, or 16) to CPU CCA (17). 10. If SCSI cable was removed, install insulating block (12) by inserting three screws (13), three new lockwashers (14), and three flat washers (15). 11. If Serial I/O or VGA cable was removed, install insulating block (6) by inserting three screws (7), three new lockwashers (8), and three flat washers (9). 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. 12. If removed, install EMI shielding gasket (4) in groove in housing (5). 13. Position connector panel (1) on housing and align holes. 14. Install 16 screws (2) and 16 flat washers (3). Following torque sequence chart, torque screws to 30 in.–lb (3.4 NSm). 15. Install top panel in accordance with procedure outlined in paragraph 2–13. 10 16 3 11 5 8 12 4 15 9 13 1 7 14 2 6 1 2 3 6 9 8 7 10 5 11 17 13 14 15 12 16 4 24 21 22 18 19 20 23 27 28 30 25 26 29 31