CHAPTER 1 INTRODUCTION - TM-55-1930-203-100021Figure 1-1. LARC-LX, rear three-quarter view, port side.Figure 1-2. Front view of LARC-LX, ramp down.Tabulated Data - TM-55-1930-203-100024LAND DRIVE SYSTEM COOLING SYSTEM - TM-55-1930-203-100026Figure 1-3. Fuel system schematic.CHAPTER 2 OPERATING INSTRUCTIONS - TM-55-1930-203-100028Servicing the EquipmentTable 2-1. Freezing Points, Composition, and Specific Gravities of Military Antifreeze MaterialsTable 2-2. MAINTENANCE AND OPERATING SUPPLIESTable 2-2. MAINTENANCE AND OPERATING SUPPLIES--ContinuedSection II. CONTROLS AND INSTRUMENTS - TM-55-1930-203-100033Figure 2-1. Controls and instruments (Sheet 1 of 4).Figure 2-1. Controls and instruments (Sheet 2 of 4).Figure 2-1. Controls and instruments (Sheet 3 of 4).Figure 2-1. Controls and instruments (Sheet 4 of 4).Figure 2-2. Controls in miter box vicinity.Cargo Well Pump Control ValvesCab Heater Circuit Breaker PanelBilge Pump ControlsFigure 2-6. Controls in center hatch, starboard side.Ramp ControlsWinch ControlsHull Drain Plugs and ValvesFigure 2-10. Hull drain plugs and valvesInstruments and Warning LightsInstruments Located on Gage Boards.Figure 2-11. Gage board and normal gage reading.Section III. OPERATING PROCEDURESFigure 2-13. Cold weather starting aid.Engine Warm-upFigure 2-14. Land and marine steering.Figure 2-15. Steering operation.RampLand OperationPreparation for Marine Operation PropellersEntering WaterLandingFigure 2-18. Compensating for wind or currents.Fire Extinguishers - TM-55-1930-203-100063Hot Weather OperationOperation in Sand, Mud, Coral, and SnowEmergency Engine Shut-DownCHAPTER 3 MAINTENANCE INSTRUCTIONS - TM-55-1930-203-100067Figure 3-1. Lubrication order (Sheet 12 of 17).Figure 3-1. Lubrication order (Sheet 13 of 17).Figure 3-1. Lubrication order (Sheet 14 of 17).Figure 3-1. Lubrication order (Sheet 15 of 17).Figure 3-1. Lubrication order (Sheet 16 of 17).Figure 3-1. Lubrication order (Sheet 17 of 17).Section II. PREVENTATIVE MAINTENANCE CHECKSLeakage Definitions For Operator PMCS.Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX.Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100077Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100078Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100079Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100080Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100081Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100082Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100083Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100084Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100085Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100086Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100087Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100088Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100089Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100090Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100091Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100092Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100093Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100094Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100095Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100096Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100097Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100098Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100099Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100100Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100101Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100102Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100103Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100104Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100105Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100106Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100107Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100108Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100109Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100110Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100111Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100112Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100113Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100114Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100115Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100116Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100117Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100118Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100119Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100120Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100121Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100122Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100123Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100124Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100125Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100126Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100127Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100128Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100129Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100130Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100131Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100132Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100133Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100134Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100135Table 3-1. Preventive Maintenance Checks and Services for Lighter Amphibious LARC-LX - continued. - TM-55-1930-203-100136Section III. TROUBLESHOOTING - TM-55-1930-203-100137Figure 3-3. Fuel system schematic.Figure 3-4. Controls in engine vicinity.Figure 3-5. Spare lube oil storage tank areaFigure 3-6. Main air supply valve.Figure 3-7. Tire inflation check valve.Figure 3-8. Tire air shutoff valve.Figure 3-9. Auxiliary air valve (tire air starting).Figure 3-10. Master switch, master warning light, hand throttle, and starter buttons.Figure 3-11. Battery-generator indicator and starboard warning light panel.Figure 3-12. Expansion tank.Section IV. Maintenance Procedures - TM-55-1930-203-100148Hull ComponentsMaintenance.Hydraulic System - TM-55-1930-203-100151Land Drive SystemTransmission - TM-55-1930-203-100153Diesel EngineMarine Drive SystemCompressed Air SystemSteering System - TM-55-1930-203-100157Fuel System - TM-55-1930-203-100158Figure 3-20. Fuel tank.Water Cooling System.Storage BatteriesFigure 3-22. Radio and intercom, cab area.Figure 3-23. Intercom, forward wind compartments.Figure 3-24. Intercom, engine compartments.Life RingsInspection. - TM-55-1930-203-100166APPENDIX A REFERENCES - TM-55-1930-203-100167APPENDIX B BASIC ISSUE ITEMS LIST AND ITEMS TROOP INSTALLED OR AUTHORIZEDSection III. ITEMS TROOP INSTALLED OR AUTHORIZED LIST - TM-55-1930-203-100169TM-55-1930-203-10 Lighter Amphibious (LARC-LX) Self-Propelled Diesel Steel 60 Ton 61 Ft Design 2303 Hull 5 Through 60 NSN 1930-00-392-2981 Manual