TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download
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TM 9-2540-207-14&P iv 2 INSTALLATION ................................................................................................................. 2-1 2.1 Dual Air Conversion..................................................................................................... 2-1 2.2 Combustion Air Inlet Connection ................................................................................. 2-2 2.3 Exhaust Connection .................................................................................................... 2-2 2.4 Mounting ...................................................................................................................... 2-2 2.5 Electrical Connections ................................................................................................. 2-3 2.6 Fuel Inlet Connection................................................................................................... 2-4 2.7 Heat Outlet Connection ............................................................................................... 2-5 3 OPERATING INSTRUCTIONS .......................................................................................... 3-1 3.1 Approved Control Boxes.............................................................................................. 3-1 3.2 Starting the heater ....................................................................................................... 3-1 3.3 Starting Systems Procedures ...................................................................................... 3-1 3.4 Normal Operation ........................................................................................................ 3-2 3.5 Shutdown Procedures ................................................................................................. 3-3 3.5.1 Manual Shutdown................................................................................................. 3-3 3.6 Purging the Heater ...................................................................................................... 3-3 3.7 Heater Data Codes Mode ............................................................................................ 3-3 3.8 Warning & Shutdown Faults ........................................................................................ 3-4 4 HEATER INSPECTION ...................................................................................................... 4-1 4.1 Periodic Service and Inspection .................................................................................. 4-3 4.2 Mandatory Fuel Line Inspection .................................................................................. 4-3 4.3 Inspection Level ........................................................................................................... 4-4 4.4 Unit Level Inspection ................................................................................................... 4-4 4.4.1 Ignitor & Ignitor Holder Maintenance .................................................................... 4-5 4.4.1.1 Removal ............................................................................................................ 4-5 5 HEATER MAINTENANCE ................................................................................................. 5-1 5.1 General ........................................................................................................................5-1 5.2 Determining differences between design versions ...................................................... 5-2 5.2.1 Design Iteration 1 ................................................................................................. 5-3 5.2.2 Design Iteration 2 ................................................................................................. 5-4 5.2.3 Design Iteration 3 ................................................................................................. 5-5 5.3 A20 Major Assemblies (Applies to all design iterations) .............................................. 5-6 5.3.1 Test Stand Installation & Removal ....................................................................... 5-7 5.4 Shell Assembly ............................................................................................................ 5-8 5.4.1 Top Cover ............................................................................................................. 5-9 5.4.1.1 Removal ............................................................................................................ 5-9 5.4.1.2 Installation......................................................................................................... 5-9 5.4.2 Top Shell ............................................................................................................ 5-10 5.4.2.1 Removal .......................................................................................................... 5-10 5.4.2.2 Installation....................................................................................................... 5-11 5.4.3 Bottom Shell ....................................................................................................... 5-12 5.4.3.1 Removal .......................................................................................................... 5-12 5.4.3.2 Installation....................................................................................................... 5-12 5.5 Ignitor & Ignitor Holder ............................................................................................... 5-13 5.6 Vent Fan Assembly ................................................................................................... 5-14 5.6.1 Vent Fan Assembly Repair ................................................................................. 5-15 5.6.1.1 Vent Fan Assembly Repair Procedure For Design Iterations 1 and 2 Only.