TM-9-1290-365-24&P Technical and Parts Manual for Paladin Muzzle Velocity System M93 Upgraded Download
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ARMY TM 9-1290-365-24&P Table 3-3. MVS/AFCS Interface Troubleshooting Problem Corrective Action MVS BIT failed Replace Paladin MVS Transceiver MVS did not return BIT status message a. Replace Paladin MVS Transceiver. b. Replace Power and Data Cable (0.75-m) c. Replace Power and Data Cable (5-m) d. Troubleshoot AFCS interface. No DCU MVS communications a. Replace Paladin MVS Transceiver. b. Replace Power and Data Cable (0.75-m) c. Replace Power and Data Cable (5-m) d. Troubleshoot AFCS interface. AFCS cannot calculate MVV because of mea- sure errors a. Verify that required AFCS data entered is correct. b. check that MVS is securely mounted on the gun. BIT is OK. MVS does not measure a. Verify Transceiver is securely mounted on the gun. b. Replace Paladin MVS Transceiver. c. Replace Power and Data Cable (0.75-m) d. Replace Power and Data Cable (5-m) e. Troubleshoot AFCS interface. No MVV Acquired a. On initialization, did the operator set the MVV rounds to the minimum required for the FM (I.E. the minimum number of good rounds required for MVS calculations?) b. For the FM in question, does the AFCS have the same type of ammo combination and quantity as the BCS required for the FM? c. Are extended lots specified for the propellant to be used in the FM? d. Was the charge to be used specified in the BCS CFF message? MVS Verification Check (Dry Fire) a. Initiate a BCS six (6) round FM to the gun Specifying HEA/M4A2/PDA/CHARGE4/EXPVEL=334 M/S b. When the 'Fire When Ready' screen appears on the AFCS, use a rubber mallet to tap lightly on the side of MVS radar head. c. For each tap, the number of rounds should decrement once. d. If the AFCS does not decrement, turn the unit in with a DA 2404 and DA 2407 describing the fault. 3-6