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 3–6 A B C D E F G H J K Z L M N P R S T U V W Y a b c 1 2 3 4 18 17 12 13 15 16 14 14 15 19 18 11 10 9 13 12 20 25 24 21 23 7 8 A2P2 A1P1 A1P4 J1 Figure 3–3. DU–Serial Cable Assembly 2. If instances of noncontinuity are found between contacts, recheck applicable wires and contacts for fraying, breakage, or corrosion. 3. If contacts were found to be broken or corroded, forward unit to depot for repair of receptacle contacts, connector contacts, or power distribution module contacts as appropriate. 4. If noncontinuity exists between two points and the contact is not visibly damaged, forward unit to depot for repair of applicable wire. 5. If at this point, no failures have been identified in this cable, perform next higher assembly fault isolation under the assumption that this cable assembly is functioning properly. 3–11. POST–MAINTENANCE TEST Follow procedures outlined in TPS 12958912 to verify the operation of DU.