CHAPTER 1 INTRODUCTION - TM-5-4520-224-140047Figure 1-1. Heater AssemblySection II. DESCRIPTION AND DATAFigure 1-3. Fuel flow diagram - TM-5-4520-224-140050Tabulated Data - TM-5-4520-224-140051CHAPTER 2 OPERATING INSTRUCTIONS - TM-5-4520-224-140052Figure 2-1. Controls and instruments. - TM-5-4520-224-140053Figure 2-2. Controls and instruments, continuedAttaching 6-Inch Canvas DuctsFigure 2-3. StartingFigure 2-4. Stopping. - TM-5-4520-224-140057Section II. OPERATION UNDER UNUSUAL CONDITIONS - TM-5-4520-224-140058Figure 2-5. Winterization torchCHAPTER 3 OPERATOR/CREW MAINTENANCE INSTRUCTIONS - TM-5-4520-224-140060Section III. TROUBLESHOOTINGSection IV. MAINTENANCE PROCEDURESCHAPTER 4 ORGANIZATIONAL MAINTENANCE INSTRUCTIONS - TM-5-4520-224-140063Preventive Maintenance ServicesTable 4.2 TroubleshootingSection IX. MAINTENANCE, ENGINEFigure 4-2. Fuel lines, removal and installationExhaust PipeEngine BaseFigure 4-5. Engine support bracket, removal and installation.Section X. MAINTENANCE OF THE HEATER ASSEMBLYSpring Lock Snap Figure 4-7. Heater cabinet, removal and installation.Figure 4-8. Burner access door, removal and installation.Handle Value, Temperature ControlFigure 4-12. Inner air ducts and damper, removal and installation.Figure 4-13. Fan, blower wheel and guard, removal and installation.Figure 4-14. Fuel gage, removal and installationCHAPTER 5 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-5-4520-224-140080REMOVAL AND INSTALLATION OF MAJOR COMPONENTS AND ASSEMBLYFigure 5.2. Burner, removal and installationFigure 5-3. Burner assemblyFigure 5-4. Combustion chamber, removal and installationFigure 5-5. Fuel tank, removal and installation.Figure 5-6. Axle, removal and installation.Figure 5-7. Rear panel, removal and installation.Figure 5-8. Heater frame assembly.CHAPTER 6 REPAIR OF THE PORTABLE GASOLINE HEATER - TM-5-4520-224-140089CHAPTER 7 ADMINISTRATIVE STORAGE - TM-5-4520-224-140090APPENDIX A REFERENCES - TM-5-4520-224-140091APPENDIX B MAINTENANCE ALLOCATION CHART - TM-5-4520-224-140092Section II. MAINTENANCE ALLOCATION CHART - TM-5-4520-224-140093Section III. SPECIAL TOOL AND SPECIAL TEST EQUIPMENT REQUIREMENTS - TM-5-4520-224-140094Section Il. COMPONENTS OF END ITEMAPPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTSSection III. BASIC ISSUE ITEMS - TM-5-4520-224-140097TM-5-4520-224-14 Hetar Duct-Type M68 Portable Gasoline 250 000 BTU (VBM Corporation Model VBM-250) Manual