OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL - TM-5-3431-205-150001
SAFETY PRECAUTIONS - TM-5-3431-205-150002
Operator, Organizational, DS, GS, and Depot Maintenance Manual
Operator, Organizationl, Direct and General Support and Depot Maintenance Manual
Section 1. INTRODUCTION - TM-5-3431-205-150006
OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL - TM-5-3431-205-150009
OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL cont.
CHAPTER 1 INTRODUCTION - TM-5-3431-205-150011
Figure 1-1. Welding machine, three- quarter view (Model LF 300).
Figure 1-1- Continued.
Figure 1-2. Welding machine, right front. three-quarter view (Model LEW 300).
Figure 1-2- Continued.
Figure 13. Welding machine, three-quarter view (Model LEB 30 J).
Figure 1-3-Continued
Figure 1-4. Wiring diagram.
Difference in Models - TM-5-3431-205-150019
Figure 1-4-Continued.
CHAPTER 2 INSTALLATION AND OPERATION INSTRUCTION
Table 2-1. Freezing Points, Composition, and Specific Gravities of Military Antifreeze Materials
Section II. MOVEMENT TO A NEW WORKSITE - TM-5-3431-205-150023
fIGURE 2-1. Welding cables and remote control.
Figure 2-2. Controls and instruments (Model LE 300)
Figure 2-2 -- Continued.
Figure 2-3. Control and instruments (Model LEW 300).
Figure 2-3-Continued.
Figure 2-4. Controls and intruments (Model LEB 330).
Figure 2-4-Continued. - TM-5-3431-205-150030
Section IV. OPERATION UNDER USUAL CONDITIONS - TM-5-3431-205-150031
Figure 2-5. Engine starting instructions
Section V. OPERATION UNDER UNUSAL CONDITIONS
Figure 2-7. Operating instructions.
Stopping Engine in Extreme Cold
Section VI. OPERATION OF AUXILIARY MATERIAL USED IN CONJUNCTION WITH WELDING MACHINE
Figure 2-8. Coolant heater operation (Model LEW 300).
CHAPTER 3 O P E R A T O R AND ORGANIZATIONAL MAINTENANCE INSTRUCTIONS - TM-5-3431-205-150038
Figure 3-1. Lubrication order.
Figure 3-1-Continued.
Figure 3-1. Oil filter service.
Figure 3-3. Air eleaner service.
Table 3-1. Preventive Maintenance Checks and Services - TM-5-3431-205-150043
Section IV. OPERATOR MAINTENANCE
Figure 3-5. Fuel tank and strainer service.
Figure 3-1. Fan V-belt adjustment.
Figure 3-7. Carburetor adjusment.
Table 3-2. Troubleshooting
Table 3-2. Troubleshooting-Continued
Section VIII. DOORS AND PANELS
Figure 3-8. Doors and panel, removal and installation.
Figure 3-9. Fuel tank and shut-off valve. removal and installation.
Figure 3-12. Fuel pump, removal and installation.
Figure 3-14. Engine speed governor, removal and installation.
Figure 3-15. Fuel filter removal and installation.
Figure 3-16. Battery, removal and installation (Model LEB 300 and LEW 300).
Figure 3-17. Magneto removal and installation.
Figure 3-18. Starter removal and installation.
Figure 3-20. Spark plugs and lead removal and installation.
Figure 3-21. Generator assembly and mounting bracket, removal and installation.
Figure 3-23. Voltage regulator adjustment.
Figure 3-24. Radiator, removal and installation.
Figure 3-27. Water pump and fan assembly, removal and installation.
Igniter Assembly
Figure 3-28. Coolant heater removal and installation.
Section XIII. ENGINE LUBRICATING SYSTEM
Section XIV. EXHAUST SYSTEM
Figure 3-32. Cylinder head, removal and installation.
Figure 3-34. Valve tappet cover removal and installation.
Figure 3-36. Generator end cover, removal and installation.
CHAPTER 4 SHIPMENT, LIMITED STORAGE, AND DEMOLITION
Section Il. DEMOLITION OF THE WELDING MACHINE TO PREVENT ENEMY USE
Demolition by Explosives or Weapons
CHAPTER 5 DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE
Table 5-1 Engine Repair Data, Model LE 300
Table 5-1 Engine Repair Data, Model LE 300-Continued - TM-5-3431-205-150076
Table 5-1 Engine Repair Data, Model LE 300-Continued - TM-5-3431-205-150077
Table 5-1 . Engine Repair Data, Model LEW 300-Continued
Table 5-1 Engine Repair Data, Model LEW 300-Continued
Table 5-1 Engine Repair Data, Model LEB 300
Table 5-1 Engine Repair Data, Model LEB 300-Continued - TM-5-3431-205-150081
Table 5-1 Engine Repair Data, Model LEB 300-Continued - TM-5-3431-205-150082
Table 5-2. Troubleshooting-Continued - TM-5-3431-205-150083
Table 5-2. Troubleshooting-Continued - TM-5-3431-205-150084
Section V. RADIO INTERFERENCE SUPPRESSION
CHAPTER 6 REPAIR INSTRUCTIONS - TM-5-3431-205-150086
REPAIR INSTRUCTIONS cont.
Figure 6-1. Governor, assembly and disassembly.
Figure 6-2. Fuel tank, assembly and disassembly.
Section Il. ENGINE ELECTRICAL SYSTEM
Section Il. ENGINE ELECTRICAL SYSTEM cont.
Figure 6-3. Battery charging generator, assembly and disassembly.
Figure 6-4. Starter, assembly and disasembly (Model LEB 300).
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300).
Figure 6-6. Starterand solenoid, assembly and disassembly (Models LE 300 and LEW 300).
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150096
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150097
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150098
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150099
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150100
Figure 6-7. Magneto, assembly and disassembly.
Figure 6-8. Engine idler regulator, assembly and disassembly.
Section Ill. COOLING SYSTEM
Section Ill. COOLING SYSTEM cont.
Figure 6-9. Oil pump, assembly and disassembly.
Figure 6-10. Checking oil pump gear.
Figure 6-11. Crankshaft, flywheel, and piston assembly, assembly and disassembly.
Figure 6-12. Appearance of good bearing after wear.
Figure 6-17. Checking main bearing clearance.
Figure 6-19. Checking alignment of piston.
Figure 6-22. Checking crankshaft and camshaft gear
Figure 6-23. Camshaft and valve, assembly and disassembly.
Figure 6-24. Allowable head thickness of refaced
Figure 6-27. Installing exhaust valve insert.
Figure 6-32. Valve position in block.
Figure 6-32. Valve position in block. cont.
Figure 6-34. Cylinder and crankcase, assembly and disassembly.
Figure 6-34. Cylinder and crankcase, assembly and disassembly. cont.
Figure 6-34-Continued. - TM-5-3431-205-150119
Figure 6-34-Continued. - TM-5-3431-205-150120
Figure 6-34-Continued. - TM-5-3431-205-150121
Figure 6-34-Continued. - TM-5-3431-205-150122
Figure 6-35. Installing jute seal in rear guard.
Figure 6-38. Oil pressuure relief valve, exploded view.
Figure 6-38. Oil pressuure relief valve, exploded view. cont.
Figure 6-39. Welding generator, assembly and disassembly.
Section VI. CONTROL PANEL
Figure 6-40. Control panel, assembly and disassembly.
Figure 6-41. Current control, assembly and disassembly.
Section VIl. ENCLOSURE (Model LEB 300) - TM-5-3431-205-150130
Section VIl. ENCLOSURE (Model LEB 300) - TM-5-3431-205-150131
Figure 6-42. Enclosure, assembly and disassembly.
Figure 6-42. Enclosure, assembly and disassembly. cont. - TM-5-3431-205-150133
Figure 6-42. Enclosure, assembly and disassembly. cont. - TM-5-3431-205-150134
Figure 6-43. Enclosure, aseembly and disassembly.
Figure 6-44. Battery box, assembly and disassembly.
Section VllI. COOLANT HEATER (Model LEW 300)
Figure 6-45. Coolant heater, assembly and disassembly.
Figure 6-45. Coolant heater, assembly and disassembly. cont.
Figure 6-46. Blower, assembly and disassembly.
APPENDIX A REFERENCES - TM-5-3431-205-150141
APPENDIX B BASIC ISSUE ITEMS LIST - TM-5-3431-205-150142
Section I. INTRODUCTION - TM-5-3431-205-150143
Section I. INTRODUCTION cont. - TM-5-3431-205-150144
Section 11. BESIC ISSUE ITEMS LIST
Section 111. MAINTENANCE AND OPERATING SUPPLIES - TM-5-3431-205-150146
APPENDIX C MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150147
Section I. INTRODUCTION - TM-5-3431-205-150148
Section Il. MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150149
Section Il. MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150150
Section Ill. MAINTENANCE FUNCTIONS
INDEX - TM-5-3431-205-150152
INDEX cont. - TM-5-3431-205-150153
Figure 1-4 Continued (Model LEW 300).
TM-5-3431-205-15 Welding Machine ARC Generator Gasoline Engine Driven 300 AMP DC (Libby Model LE 300) (Libby Model LEW-300) (Libby Model LEB-300) Manual
SAFETY PRECAUTIONS - TM-5-3431-205-150002
Operator, Organizational, DS, GS, and Depot Maintenance Manual
Operator, Organizationl, Direct and General Support and Depot Maintenance Manual
Section 1. INTRODUCTION - TM-5-3431-205-150006
OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL - TM-5-3431-205-150009
OPERATOR, ORGANIZATIONAL, DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL cont.
CHAPTER 1 INTRODUCTION - TM-5-3431-205-150011
Figure 1-1. Welding machine, three- quarter view (Model LF 300).
Figure 1-1- Continued.
Figure 1-2. Welding machine, right front. three-quarter view (Model LEW 300).
Figure 1-2- Continued.
Figure 13. Welding machine, three-quarter view (Model LEB 30 J).
Figure 1-3-Continued
Figure 1-4. Wiring diagram.
Difference in Models - TM-5-3431-205-150019
Figure 1-4-Continued.
CHAPTER 2 INSTALLATION AND OPERATION INSTRUCTION
Table 2-1. Freezing Points, Composition, and Specific Gravities of Military Antifreeze Materials
Section II. MOVEMENT TO A NEW WORKSITE - TM-5-3431-205-150023
fIGURE 2-1. Welding cables and remote control.
Figure 2-2. Controls and instruments (Model LE 300)
Figure 2-2 -- Continued.
Figure 2-3. Control and instruments (Model LEW 300).
Figure 2-3-Continued.
Figure 2-4. Controls and intruments (Model LEB 330).
Figure 2-4-Continued. - TM-5-3431-205-150030
Section IV. OPERATION UNDER USUAL CONDITIONS - TM-5-3431-205-150031
Figure 2-5. Engine starting instructions
Section V. OPERATION UNDER UNUSAL CONDITIONS
Figure 2-7. Operating instructions.
Stopping Engine in Extreme Cold
Section VI. OPERATION OF AUXILIARY MATERIAL USED IN CONJUNCTION WITH WELDING MACHINE
Figure 2-8. Coolant heater operation (Model LEW 300).
CHAPTER 3 O P E R A T O R AND ORGANIZATIONAL MAINTENANCE INSTRUCTIONS - TM-5-3431-205-150038
Figure 3-1. Lubrication order.
Figure 3-1-Continued.
Figure 3-1. Oil filter service.
Figure 3-3. Air eleaner service.
Table 3-1. Preventive Maintenance Checks and Services - TM-5-3431-205-150043
Section IV. OPERATOR MAINTENANCE
Figure 3-5. Fuel tank and strainer service.
Figure 3-1. Fan V-belt adjustment.
Figure 3-7. Carburetor adjusment.
Table 3-2. Troubleshooting
Table 3-2. Troubleshooting-Continued
Section VIII. DOORS AND PANELS
Figure 3-8. Doors and panel, removal and installation.
Figure 3-9. Fuel tank and shut-off valve. removal and installation.
Figure 3-12. Fuel pump, removal and installation.
Figure 3-14. Engine speed governor, removal and installation.
Figure 3-15. Fuel filter removal and installation.
Figure 3-16. Battery, removal and installation (Model LEB 300 and LEW 300).
Figure 3-17. Magneto removal and installation.
Figure 3-18. Starter removal and installation.
Figure 3-20. Spark plugs and lead removal and installation.
Figure 3-21. Generator assembly and mounting bracket, removal and installation.
Figure 3-23. Voltage regulator adjustment.
Figure 3-24. Radiator, removal and installation.
Figure 3-27. Water pump and fan assembly, removal and installation.
Igniter Assembly
Figure 3-28. Coolant heater removal and installation.
Section XIII. ENGINE LUBRICATING SYSTEM
Section XIV. EXHAUST SYSTEM
Figure 3-32. Cylinder head, removal and installation.
Figure 3-34. Valve tappet cover removal and installation.
Figure 3-36. Generator end cover, removal and installation.
CHAPTER 4 SHIPMENT, LIMITED STORAGE, AND DEMOLITION
Section Il. DEMOLITION OF THE WELDING MACHINE TO PREVENT ENEMY USE
Demolition by Explosives or Weapons
CHAPTER 5 DIRECT AND GENERAL SUPPORT AND DEPOT MAINTENANCE
Table 5-1 Engine Repair Data, Model LE 300
Table 5-1 Engine Repair Data, Model LE 300-Continued - TM-5-3431-205-150076
Table 5-1 Engine Repair Data, Model LE 300-Continued - TM-5-3431-205-150077
Table 5-1 . Engine Repair Data, Model LEW 300-Continued
Table 5-1 Engine Repair Data, Model LEW 300-Continued
Table 5-1 Engine Repair Data, Model LEB 300
Table 5-1 Engine Repair Data, Model LEB 300-Continued - TM-5-3431-205-150081
Table 5-1 Engine Repair Data, Model LEB 300-Continued - TM-5-3431-205-150082
Table 5-2. Troubleshooting-Continued - TM-5-3431-205-150083
Table 5-2. Troubleshooting-Continued - TM-5-3431-205-150084
Section V. RADIO INTERFERENCE SUPPRESSION
CHAPTER 6 REPAIR INSTRUCTIONS - TM-5-3431-205-150086
REPAIR INSTRUCTIONS cont.
Figure 6-1. Governor, assembly and disassembly.
Figure 6-2. Fuel tank, assembly and disassembly.
Section Il. ENGINE ELECTRICAL SYSTEM
Section Il. ENGINE ELECTRICAL SYSTEM cont.
Figure 6-3. Battery charging generator, assembly and disassembly.
Figure 6-4. Starter, assembly and disasembly (Model LEB 300).
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300).
Figure 6-6. Starterand solenoid, assembly and disassembly (Models LE 300 and LEW 300).
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150096
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150097
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150098
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150099
Figure 6-5. Solenoid, asembly and disassembly (Model LEB 300). cont. - TM-5-3431-205-150100
Figure 6-7. Magneto, assembly and disassembly.
Figure 6-8. Engine idler regulator, assembly and disassembly.
Section Ill. COOLING SYSTEM
Section Ill. COOLING SYSTEM cont.
Figure 6-9. Oil pump, assembly and disassembly.
Figure 6-10. Checking oil pump gear.
Figure 6-11. Crankshaft, flywheel, and piston assembly, assembly and disassembly.
Figure 6-12. Appearance of good bearing after wear.
Figure 6-17. Checking main bearing clearance.
Figure 6-19. Checking alignment of piston.
Figure 6-22. Checking crankshaft and camshaft gear
Figure 6-23. Camshaft and valve, assembly and disassembly.
Figure 6-24. Allowable head thickness of refaced
Figure 6-27. Installing exhaust valve insert.
Figure 6-32. Valve position in block.
Figure 6-32. Valve position in block. cont.
Figure 6-34. Cylinder and crankcase, assembly and disassembly.
Figure 6-34. Cylinder and crankcase, assembly and disassembly. cont.
Figure 6-34-Continued. - TM-5-3431-205-150119
Figure 6-34-Continued. - TM-5-3431-205-150120
Figure 6-34-Continued. - TM-5-3431-205-150121
Figure 6-34-Continued. - TM-5-3431-205-150122
Figure 6-35. Installing jute seal in rear guard.
Figure 6-38. Oil pressuure relief valve, exploded view.
Figure 6-38. Oil pressuure relief valve, exploded view. cont.
Figure 6-39. Welding generator, assembly and disassembly.
Section VI. CONTROL PANEL
Figure 6-40. Control panel, assembly and disassembly.
Figure 6-41. Current control, assembly and disassembly.
Section VIl. ENCLOSURE (Model LEB 300) - TM-5-3431-205-150130
Section VIl. ENCLOSURE (Model LEB 300) - TM-5-3431-205-150131
Figure 6-42. Enclosure, assembly and disassembly.
Figure 6-42. Enclosure, assembly and disassembly. cont. - TM-5-3431-205-150133
Figure 6-42. Enclosure, assembly and disassembly. cont. - TM-5-3431-205-150134
Figure 6-43. Enclosure, aseembly and disassembly.
Figure 6-44. Battery box, assembly and disassembly.
Section VllI. COOLANT HEATER (Model LEW 300)
Figure 6-45. Coolant heater, assembly and disassembly.
Figure 6-45. Coolant heater, assembly and disassembly. cont.
Figure 6-46. Blower, assembly and disassembly.
APPENDIX A REFERENCES - TM-5-3431-205-150141
APPENDIX B BASIC ISSUE ITEMS LIST - TM-5-3431-205-150142
Section I. INTRODUCTION - TM-5-3431-205-150143
Section I. INTRODUCTION cont. - TM-5-3431-205-150144
Section 11. BESIC ISSUE ITEMS LIST
Section 111. MAINTENANCE AND OPERATING SUPPLIES - TM-5-3431-205-150146
APPENDIX C MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150147
Section I. INTRODUCTION - TM-5-3431-205-150148
Section Il. MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150149
Section Il. MAINTENANCE ALLOCATION CHART - TM-5-3431-205-150150
Section Ill. MAINTENANCE FUNCTIONS
INDEX - TM-5-3431-205-150152
INDEX cont. - TM-5-3431-205-150153
Figure 1-4 Continued (Model LEW 300).
TM-5-3431-205-15 Welding Machine ARC Generator Gasoline Engine Driven 300 AMP DC (Libby Model LE 300) (Libby Model LEW-300) (Libby Model LEB-300) Manual
