TM-9-2350-358-BD M109A6 Battlefield Damage Assessment and Repair Download
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TM 9-2350-358-BD CHAPTER 14 AUXILIARY EQUIPMENT BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR TRAINING AT THE DISCRETION OF THE COMMANDER. (AUTHORIZED TRAINING FIXES ARE LISTED IN APPENDIX E.) IN EITHER CASE, DAMAGES SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE. SECTION I. INTRODUCTION 14-1. SCOPE This chapter contains fault assessment and repair procedures available to find and fix battlefield damage to equipment other than that needed for howitzer mobility 14-2. ASSESSMENT PROCEDURE There is no specific assessment procedure for auxiliary equipment. Refer to the Repair Procedure Index (para 14-3) for available BDAR fixes 14-3. REPAIR PROCEDURE INDEX PARA Microclimate Conditioning System (MCS) Section II MCS Control Box Defective .......................................................................................................................... 14-5 MCS Circuit Breakers Defective ................................................................................................................... 14-6 MCS M3 Heater Defective ............................................................................................................................ 14-7 MCS Air Duct Hoses and Air Pipe Perforate ................................................................................................ 14-8 MCS Compressor/Motor V-Belt Damaged ................................................................................................... 14-9 Personnel Heater Section III In-Line Filter Element Clogged ................................................................................................................... 14-11 Fuel Pump Filter Clogged ........................................................................................................................... 14-12 Personnel Heater Fuel Line Damaged ....................................................................................................... 14-13 Lead Filter System Section IV Accessory Control Box ............................................................................................................................... 14-15 SECTION II. MICROCLIMATE CONDITIONING SYSTEM (MCS) 14-4. GENERAL The MCS system provides decontaminated, conditioned air supply for crewmen operating under Nuclear, Biological, and Chemical conditions. Failure of the MCS will result in contaminated air. 14-5. MCS CONTROL BOX DEFECTIVE General Information: The control box contains a four position multi-ganged switch which permits choosing HIGH or LOW volume air flow from the blower motor and turns the compressor motor and the vaneaxial fan ON or OFF. The only BDAR fix for the switch is replacement. For replacement of defective switch, see Chapter 3, "Switches Damaged". 14-1