OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE BRIDGE, ARMORED-VEHICLE LAUNCHED: SCISSORING TYPE CLASS 60 & CLASS 70 ALUMINUM, 60 FOOT SPAN; FOR M48A5 AND M60 LAUNCHER OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE BRIDGE, ARMORED-VEHICLE LAUNCHED is changed as follows - TM-5-5420-203-140003OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE BRIDGE, ARMORED-VEHICLE LAUNCHED is changed as follows - TM-5-5420-203-140005CHAPTER 1. INTRODUCTION - TM-5-5420-203-140016Section II. EQUIPMENT DESCRIPTION AND DATA - TM-5-5420-203-140017FIGURE 1-2. Bridge Dimensions and Weights.Equipment Capabilities. FIGURE 1-3. Maximum Launching Slopes.LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.FIGURE 1-4. AVLB Hydraulic System Components.FIGURE 1-5. Structural Components.Table 1-1. Major Components (MLC 60)FIGURE 1-6. Relationship of Major Components (MLC60) (Sheet 1 of 2).FIGURE 1-6 Relationship of Major Components (MLC60) (Sheet 2 of 2).Table 1-3. Major Components (MLC 70)FIGURE 1-7. Relationship of Major Components (MLC 70) (Sheet 1 of 2).FIGURE 1-7 Relationship of Major Components (MLC 70) (Sheet 2 of 2).EQUIPMENT DATA.Load and Use LimitationsFIGURE 1-7. Maximum Vehicle Crossing Speeds and Weight Limits for MLC 60.CAUTION CROSSING SAFETY, CARE AND HANDLING.CHAPTER 2. OPERATING INSTRUCTIONS - TM-5-5420-203-140036Table 2-1. Use of Controls and Indicators - CONTSection II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)Table 2-2. Preventive Maintenance Checks and Services (PMCS)Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140040Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140041Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140042Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140043Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140044Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140045Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140046Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140047Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140048Table 2-2. Preventive Maintenance Checks and Services (PMCS)-continued - TM-5-5420-203-140049NOTES - TM-5-5420-203-140050FIGURE 2-1 Nomenclature of Structural Components (MLC 60)FIGURE 2-2 Nomenclature of Structural Components (MLC 70).FIGURE 2-3 Details.Classifications and Definitions of Leaks for Operator/Crew PMCSSection III. OPERATIONS UNDER USUAL CONDITIONSSchematic Drawing - TM-5-5420-203-140057Preparation for Assembly.Assembly of the Bridge Separated into Eight Sections.Installation of Near Shore Diaphragm - TM-5-5420-203-140060Installation of Lateral Brace.Flexible Hydraulic Hose Connections.Installation of Scissor Cylinder Supports,Installation of Center Section Traverse BracesInstallation of Far-Shore Center Sections Flexible Hydraulic Hoses.Installation of Locking Pins, Lubricated Center Section, and Quadrant Hinge Pins.-continuedInstallation of Far-Shore Center Section Transverse Braces.Positioning of Far-Shore Ramp Sections.Installation of Far-Shore Diaphragm, Lateral, and Transverse Braces-continuedInstallation of Far-Shore Hydraulic Hoses.Installation of Cable Beam. - TM-5-5420-203-140071Quadrant Struts and Securing Hardware.Attaching Quadrant Struts to Cable Beam.Ramp Sections Flexible Hydraulic Hose Connections and Brackets.Hydraulic Quick-Release Connectors.Equalizer Plate, Scissoring Cables, and Attaching Hardware.Installation of Cable Retainer. - TM-5-5420-203-140077Cables, Cable Beam, and Hardware Connections. - TM-5-5420-203-140078Assembly of Bridge Separated at Center HingesDISASSEMBLY OF MLC 60.Schematic Drawing - TM-5-5420-203-140081ASSEMBLY AND PREPARATION FOR USE OF MLC 70 - CONTAssembly of the MLC 70 Bridge.Installation of Near Shore Diaphragm - TM-5-5420-203-140084Installation of Near Shore Lateral BraceInstallation of Cylinder Beam.Installation of Scissor Cylinder.Installation of Near Shore Second Forward Transverse Brace.Installation of Far Shore Forward Transverse Brace.Installation of Far Shore Rear Transverse BraceInstallation of Cable Beam. - TM-5-5420-203-140091Installation of Near-Shore and Far-Shore Hydraulic Lines.Installation of Bridge Sections, Locking Pins, and Quadrant Hinge Pins-continuedInstallation of QuadrantInstallation of Quadrant Struts and Securing Hardware.Bridge Sections Flexible Hydraulic Hose Connections and Brackets.Scissor Cylinder Flexible Hydraulic Connections.Equalizer Plate, Scissoring Cables, and Attaching Hardware-continuedInstallation of Cable Retainer. - TM-5-5420-203-140099Cables, Cable Beam, and Hardware Connections. - TM-5-5420-203-140100Installation of Flag Assembly.OPERATING PROCEDURES.Launching-continued - TM-5-5420-203-140103Launching-continued - TM-5-5420-203-140104Launching-continued - TM-5-5420-203-140105Retrieval by LauncherRetrieval by Launcher-continued - TM-5-5420-203-140107Retrieval by Launcher-continued - TM-5-5420-203-140108Retrieval by Launcher-continued - TM-5-5420-203-140109Section IV. OPERATIONS UNDER UNUSUAL CONDITIONSRetrieving on a slope.Launching in Wetlands or Marshy Areas.Launching in Wetlands or Marshy Areas-continuedRetrieving in Wetlands or Marshy Areas.Recovery/ Retrieval of Impacted Bridge.Recovery/ Retrieval of Impacted Bridge-continuedRecovery by Other Than a Launcher.Recovery by Other Than a Launcher-continued - TM-5-5420-203-140118Recovery by Other Than a Launcher-continued - TM-5-5420-203-140119Recovery by Other Than a Launcher-continued - TM-5-5420-203-140120Recovery by Other Than a Launcher-continued - TM-5-5420-203-140121Recovery by Other Than a Launcher-continued - TM-5-5420-203-140122Recovery by Other Than a Launcher-continued - TM-5-5420-203-140123LOADING AND UNLOADING OPERATIONS.Loading/Unloading a Bridge to/from a Launcher.Loading - TM-5-5420-203-140126Unloading - TM-5-5420-203-140127Unloading-continuedLoading/Unloading Scissored Bridge to/from a Lowbed Semitrailer (M172 or M172A1).Loading/Unloading Scissored Bridge to/from a Lowbed Semitrailer (M172 or M172A1)-continued - TM-5-5420-203-140130Loading/Unloading Scissored Bridge to/from a Lowbed Semitrailer (M172 or M172A1)-continued - TM-5-5420-203-140131Loading/Unloading Scissored Bridge to/from a Lowbed Semitrailer (M172 or M172A1)-continued - TM-5-5420-203-140132Unloading - TM-5-5420-203-140133Loading/Unloading of the Scissored Bridge to/from a Flatbed Semitrailer (MS71 or MS72).Loading/Unloading of the Scissored Bridge to/from a Flatbed Semitrailer (MS71 or MS72)-continued - TM-5-5420-203-140135Loading/Unloading of the Scissored Bridge to/from a Flatbed Semitrailer (MS71 or MS72)-continued - TM-5-5420-203-140136Loading/Unloading of the Scissored Bridge to/from a Flatbed Semitrailer (MS71 or MS72)-continued - TM-5-5420-203-140137Loading/Unloading of the Scissored Bridge to/from a Flatbed Semitrailer (MS71 or MS72)-continued - TM-5-5420-203-140138Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp.Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140140Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140141Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140142Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140143Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140144Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140145Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140146Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140147Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140148Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140149Loading/Unloading the Scissored Bridge to/from a Lowbed Semitrailer using a Second Launched Bridge as a Ramp-continued - TM-5-5420-203-140150Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using forklifts.Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using forklifts-continued - TM-5-5420-203-140152Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using forklifts-continued - TM-5-5420-203-140153Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using a crane (20 ton capacity or higher).Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using a crane (20 ton capacity or higher)-continued - TM-5-5420-203-140155Loading/Unloading a Scissored Bridge to/from a Lowbed or Flatbed Semitrailer using a crane (20 ton capacity or higher)-continued - TM-5-5420-203-140156Transport of the AVLB system (Class 60/Class 70 Bridges) for Air, Rail, Sea and Highway Mode of Transportation.Transport of the AVLB system (Class 60/Class 70 Bridges) for Air, Rail, Sea and Highway Mode of Transportation-continued - TM-5-5420-203-140158Transport of the AVLB system (Class 60/Class 70 Bridges) for Air, Rail, Sea and Highway Mode of Transportation-continued - TM-5-5420-203-140159PREPARATION FOR MOVEMENT.CHAPTER 3. MAINTENANCE PROCEDURESSection II. REPAIR PARTS; SPECIAL TOOLS; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE); AND SUPPORT EQUIPMENTTROUBLESHOOTING.Table 3-1. Troubleshooting - CONTBRIDGE LIFTS FROM BRIDGE SEAT SLOWLY, OR STOPS.BRIDGE BEGINS TO LOWER, THEN STOPS.BRIDGE WILL NOT LIFT FROM LAUNCHED POSITION.Section V. MAINTENANCE PROCEDURESTable 3-2. Suitable Replacement Bolts, Nuts, and Washers for Temporary Replacement of Rivets.WELDING PROCEDURES.Procedures.MAINTENANCE INSTRUCTIONS FOR MLC60.TIE ROD REPLACEMENTCABLE BEAM REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140176DECK CURB REPLACEMENTEND PANEL CURB REPLACEMENTRAMP CURB REPLACEMENTINSIDE CURB REPLACEMENTSCISSORING CABLES AND ATTACHING HARDWARE REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140182INSTALLATION-continued - TM-5-5420-203-140183HYDRAULIC CYLINDER REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140185INSTALLATION-continued - TM-5-5420-203-140186MISCELLANEOUS HYDRAULIC CYLINDER COMPONENTS REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140188HYDRAULIC CYLINDER HYDRAULIC LINES AND FITTINGS REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140190INSTALLATION-continued - TM-5-5420-203-140191CYLINDER BEAM REPLACEMENTFLEXIBLE HYDRAULIC LINES REPLACEMENT (DIAPHRAGM AND HYDRAULIC CYLINDER) (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140194RAMP SECTION LATERAL BRACE (NEAR-SHORE AND/OR FAR-SHORE) REPLACEMENTNEAR-SHORE RAMP SECTION TRANSVERSE BRACE REPLACEMENTFAR-SHORE RAMP SECTION TRANSVERSE BRACE REPLACEMENTNEAR-SHORE CENTER SECTION TRANSVERSE BRACE REPLACEMENT (Sheet 1 of 2)INSTALLATION-continued - TM-5-5420-203-140199FAR-SHORE CENTER SECTION TRANSVERSE BRACE REPLACEMENT (Sheet 1 of 4)Removal-continued - TM-5-5420-203-140201INSTALLATION - TM-5-5420-203-140202INSTALLATION-continued - TM-5-5420-203-140203QUADRANT REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140205INSTALLATION-continued - TM-5-5420-203-140206NEAR-SHORE RAMP SECTION REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140208FAR-SHORE RAMP SECTION REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140210NEAR-SHORE DIAPHRAGM REPLACEMENTFAR-SHORE DIAPHRAGM REPLACEMENTRAMP SECTION DECK EXTRUSION REPLACEMENT (Sheet 1 of 4)REMOVVAL-continuedINSTALLATION - TM-5-5420-203-140215INSTALLATION-continued - TM-5-5420-203-140216RAMP SECTION HARD HYDRAULIC LINE REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140218RAMP SECTION MISCELLANEOUS COMPONENTS REPLACEMENT (Sheet 1 of 2)INSTALLATION - TM-5-5420-203-140220NEAR-SHORE CENTER SECTION REPLACEMENT (Sheet 1 of 4)REMOVAL-continued - TM-5-5420-203-140222INSTALLATION - TM-5-5420-203-140223INSTALLATION-continued - TM-5-5420-203-140224FAR-SHORE CENTER SECTION REPLACEMENT (Sheet 1 of 4)REMOVAL-continued - TM-5-5420-203-140226INSTALLATION - TM-5-5420-203-140227INSTALLATION-continued - TM-5-5420-203-140228CENTER SECTION DECK EXTRUSION REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140230INSTALLATION-continued - TM-5-5420-203-140231CENTER SECTION HARD HYDRAULIC PIPING REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140233INSTALLATION-continued - TM-5-5420-203-140234CENTER SECTION MISCELLANEOUS COMPONENTS REPLACEMENT (Sheet 1 of 3)INSTALLATION - TM-5-5420-203-140236INSTALLATION-continued - TM-5-5420-203-140237MAINTENANCE INSTRUCTIONS FOR MLC70.BRIDGE SECTION REPLACEMENT (MALE AND FEMALE)QUADRANT REPLACEMENTMISCELLANEOUS COMPONENT REPLACEMENT (MALE and FEMALE)CHAPTER 4. DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCEMAINTENANCE INSTRUCTIONS-continuedAssembly.CHAPTER 5. ADMINISTRATIVE STORAGE OR SHIPMENTFIGURE 5-1. Placement of Wear Protectors and Scissor Cylinder Actuating Arm.APPENDIX A. REFERENCES - TM-5-5420-203-140248APPENDIX B. MAINTENANCE ALLOCATION CHART - TM-5-5420-203-140250EXPLANATION OF COLUMNS IN THE MAC, SECTION II - TM-5-5420-203-140251EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION IIISection II. MAINTENANCE ALLOCATION CHART FOR ARMORED VEHICLE LAUNCHED BRIDGESection III. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-5-5420-203-140254APPENDIX C. COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTSSECTION II. COMPONENTS OF END ITEM (MLC 60)SECTION II. COMPONENTS OF END ITEM (MLC 60) - CONT - TM-5-5420-203-140258SECTION II. COMPONENTS OF END ITEM (MLC 60) - CONT - TM-5-5420-203-140259SECTION II. COMPONENTS OF END ITEM (MLC 60) - CONT - TM-5-5420-203-140260SECTION II. COMPONENTS OF END ITEM (MLC 70) - CONT - TM-5-5420-203-140261SECTION II. COMPONENTS OF END ITEM (MLC 70) - CONT - TM-5-5420-203-140262SECTION II. COMPONENTS OF END ITEM (MLC 70) - CONT - TM-5-5420-203-140263SECTION II. COMPONENTS OF END ITEM (MLC 70) - CONT - TM-5-5420-203-140264SECTION III. BASIC ISSUE ITEMS LISTSAPPENDIX D. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LISTAPPENDIX E. REPLACEMENT PARTS LISTTM-5-5420-203-14 Bridge Armored-Vehicle Launched: Scissoring Type Class 60 & Class 70 Aluminum 60 Foot Span; for M48A5 and M60 Launcher Manual