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 3–7 Section V – MAINTENANCE PROCEDURES Page Page General 3–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bottom Cover Maintenance Instructions 3–8 . . . . . . . . . Electroluminescent Panel Maintenance Instructions 3–10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch Panel Maintenance Instructions 3–13 . . . . . . . . Handle Maintenance Instructions 3–16 . . . . . . . . . . . . . Keyboard Cable Assembly Maintenance Instructions 3–18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Serial Cable Assembly Maintenance Instructions 3–20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–12. GENERAL a. This section contains the step–by–step maintenance procedures for DS level maintenance of the DU. These procedures are provided to access components for general maintenance. These maintenance tasks are authorized by the Source, Maintenance, and Recoverability (SMR) codes indicated in the Repair Parts and Special Tools List (RPSTL) in Appendix C. There are no GS level maintenance tasks for the DU. b. Figure 3–4 below shows the location of the major replaceable assemblies in the DU. 1 2 3 4 5 7 6 6 LEGEND: (1) ELECTROLUMINESCENT PANEL (2) BOTTOM COVER (3) EMI GASKET (4) SWITCH PANEL (5) ELECTRICAL CONNECTOR (6) INTERNAL WIRING HARNESS (7) ELECTRONIC HOUSING Figure 3–4. Display Unit Exploded View