TM 10-7310-281-13&PMODERN BURNER UNIT (MBU)0024 00UNIT MAINTENANCE PROCEDURES0024 00-1REFLECTIVE HEAT SHIELD AND BURNER TUBE ASSEMBLYTHIS SECTION COVERS:Inspect, ReplaceINITIAL SETUPMBU shut-down, cool, and disconnected from power sourceMaintenance LevelMaterials/PartsUnitTools and Special ToolsShop Equipment Automotive Maintenance and Repair: Organizational Maintenance, Common No. 1(WP 0038, Table 2, Item 2)GENERALThis procedure contains information and instructions to keep the MBU in good working order byinspecting and replacing the reflective heat shield top fasteners, or the entire reflective heat shieldassembly, consisting of the reflective heat shield, insulation layer, burner well, carriage bolts, and selflocking nuts.WARNING!Two Person LiftThe MBU weighs approximately 58 pounds fully fueled (26.3 kg). Two persons must carry thefully fueled MBU, lifting with legs, not back, to prevent injury.WARNING!Hot SurfacesDo not attempt service procedures on a burner that has recently been in operation. Let theburner cool down before performing these procedures to avoid the possibility of serious burns.INSPECTInspect the reflective heat shield and burner tube assembly for physical damage, such as dents,perforations or severe warping. Check mounting hardware for security.REPLACETemporarily remove the Fuel Delivery Block from the burner tube mounting shafts as described in WP0023.
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