CHAPTER 1 GENERAL INFORMATION, EQUIPMENT DESCRIPTION, AND THEORY OF OPERATION
GENERAL INFORMATION
PREPARATION FOR STORAGE OR SHIPMENT
LIST OF ABBREVIATIONS/ACRONYMS
SAFETY, CARE, AND HANDLING
Figure 1. Major Components Front.
Figure 2. Major Components Rear.
Figure 3. Major Components Operator's Compartment.
Table 2. Land Performance.
Table 3. Capacities.
Table 7. Winch (35,000 lb (15,890 kg)).
Figure 1. Track Adjusting Cylinders.
Figure 2. Tracks and Roadwheels.
Figure 4. Hydraulic Manifold Operation.
CHAPTER 2 OPERATOR INSTRUCTIONS
Figure 1. Controls and Indicators.
Figure 1. Folding Dozer Blade.
FOLDING DOZER BLADE - Continued
FOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE
UNFOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE - Continued
TRACK TENSION ADJUSTMENT
TRACK TENSION ADJUSTMENT - Continued
TRACK TENSION ADJUSTMENT - Continued
TRACK TENSION ADJUSTMENT - Continued
OPERATION UNDER UNUSUAL CONDITIONS
CHAPTER 3 TROUBLESHOOTING PROCEDURES
TROUBLESHOOTING INTRODUCTION
TROUBLESHOOTING MALFUNCTIONS/SYMPTOM INDEX
TROUBLESHOOTING PROCEDURES - HEADLIGHTS DO NOT OPERATE
ELECTRICAL SYSTEM
Figure 2. Headlight Connectors.
ELECTRICAL SYSTEM - Continued
TROUBLESHOOTING PROCEDURES - TRACK (LEFT OR RIGHT) WILL NOT TIGHTEN OR LOOSEN, HBF-TT SYSTEM (ELECTRICAL)
Figure 1. Control Box Power Harness.
Figure 2. Control Wire Harness.
Figure 3. Manifold Wiring Harness Connector.
Figure 4. Valve Solenoid.
Figure 5. Control Box.
Figure 6. Control Box Connectors J-1 and J-2.
ELECTRICAL SYSTEM - Continued
Figure 7. Track Loosening Switch.
Figure 8. Track Loosening Switch.
Table 6. Control Box Switch Tests.
Figure 9. Control Box Wiring Harness.
Table 7. Control Box Switch Test.
ELECTRICAL SYSTEM - Continued
ELECTRICAL SYSTEM - Continued
TROUBLESHOOTING PROCEDURES - TRACK (LEFT OR RIGHT) WILL NOT TIGHTEN OR LOOSEN, TRACK ADJUSTING CYLINDER
HYDRAULIC INSTALLATION
Figure 1. Oil Flow Test.
Figure 2. Hose Test.
TROUBLESHOOTING PROCEDURES - FRONT CORNER (LEFT OR RIGHT) DOES NOT RAISE OR LOWER IN UNSPRUNG MODE, TRACK ADJUSTING CYLINDER
HYDRAULIC INSTALLATION - Continued
Figure 1. Track Adjusting Cylinders Manifold.
HYDRAULIC INSTALLATION - Continued
TROUBLESHOOTING PROCEDURES - LEFT OR RIGHT TRACK ADJUSTING CYLINDERS WILL NOT EXTEND AFTER SUSPENSION CONTROL LEVERS ARE RETURNED TO NEUTRAL
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
TROUBLESHOOTING PROCEDURES - BLADE WILL NOT FOLD OR UNFOLD IN SPRUNG MODE
Figure 1. Test Spool Valve.
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
CHAPTER 4 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) MAINTENANCE INSTRUCTIONS
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
GENERAL PMCS PROCEDURES
Table 1. Operator Preventive Maintenance Checks and Services (PMCS).
Figure 1. Apron Pin.
CHAPTER 5 FIELD PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) MAINTENANCE INSTRUCTIONS
FIELD PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
SPECIFIC PMCS PROCEDURES
Table 1. Field Preventive Maintenance Checks and Services (PMCS).
CHAPTER 6 MAINTENANCE INSTRUCTIONS
SERVICE UPON RECEIPT
SERVICING INSTRUCTIONS
APRON WIRING HARNESS REPLACEMENT
HEADLIGHT WIRING HARNESS REPLACEMENT
Figure 1. Headlight Wiring Harness Removal.
Figure 2. Headlight Wiring Harness Installation.
Figure 1. Blade Folder Wiring Harness Removal.
Figure 2. Blade Folder Wiring Harness Installation.
CONTROL BOX POWER WIRING HARNESS REPLACEMENT
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
MANIFOLD WIRING HARNESS REPLACEMENT
Figure 2. Manifold Wiring Harness Removal.
Figure 4. Manifold Wiring Harness Connectors Installation.
CONTROL BOX WIRING HARNESS REPLACEMENT
Figure 2. Control Box Harnesses Installation.
TRACK AND BLADE CONTROL BOX REPAIR
Figure 2. Control Box Disassembly.
Figure 3. Control Box Assembly.
TRACK AND BLADE CONTROL BOX REPAIR - Continued
Figure 1. Track and Blade Control Box Removal.
Figure 1. Track and Blade Control Box Removal. - Continued
HEADLIGHT ASSEMBLY REPLACEMENT
Figure 2. Headlight Installation.
HEADLIGHT PLATE SPACER, LIGHT LENS, AND GASKET REPLACEMENT
Figure 3. Headlight Gasket Installation.
Figure 4. Headlight Plate Spacer Installation.
HEADLIGHT LENS HOLDER AND LIGHT FILTER, LIGHT LENS, AND RUBBER ROUND SEAL REPLACEMENT
Figure 2. Headlight Lens Holder Removal.
Figure 3. Headlight Light Filter Installation.
Figure 4. Headlight Round Rubber Seal Installation.
HEADLIGHT INCANDESCENT LAMP REPLACEMENT
Figure 2. Headlight Incandescent Lamp Installation.
HEADLIGHT MOUNT REPLACEMENT
Figure 2. Headlight Mount Installation.
HEADLIGHT SUPPORT REPLACEMENT
Figure 1. Headlight Support Removal.
Figure 2. Headlight Support Installation.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR
Figure 1. Support Blocks Removal.
Figure 2. Blade Removal.
Figure 4. Intermediate Headlight Wiring Harness Removal.
Figure 5. Lifting Apron and Dozer Assembly Removal.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR - Continued
Figure 6. Cutting Edges Disassembly.
Figure 7. Extension Disassembly.
Figure 8. Apron Wear Plates and Side Seals.
Figure 10. Apron Retaining Rings Disassembly.
Figure 12. Lifting Eye and Apron Disassembly.
Figure 13. Inner Bushings from Apron Disassembly.
oFigure 15. Installation of Bushings onto Apron Assembly.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR - Continued
Figure 16. Ripper Blade and Apron Assembly.
Figure 17. Installation of Studs onto Apron Assembly.
Figure 18. Cutting Edges Assembly.
Figure 19. Apron and Dozer Extensions Assembly.
Figure 20. Alignment of Apron and Dozer Assembly.
Figure 21. Apron Wear Plates and Side Seals Assembly.
Figure 22. Apron Strips Assembly.
Figure 23. Apron and Dozer Assembly Installation.
Figure 25. Hydraulic Cylinders Installation.
Figure 26. Headlight Intermediate Wiring Harness and Apron Wiring Harness Installation.
DOZER BLADE REPLACEMENT AND REPAIR
Figure 2. Outer Pivot Pins Removal.
Figure 3. Shackle and Dozer Blade Disassembly.
Figure 5. Pivot Points Installation.
Figure 6. Dozer Blade Installation.
Figure 8. Dozer Blade and Pin Assembly Installation.
Figure 9. Inner Pivot Pins Installation.
ACTUATOR ASSEMBLY REPLACEMENT
Figure 2. Apron Actuator Installation.
HYDRAULIC VALVES REPLACEMENT
Figure 2. Flow Valves Removal.
Figure 3. Flow Valves Installation.
HYDRAULIC VALVES REPLACEMENT - Continued
HYDRAULIC FITTINGS REPLACEMENT
Figure 2. Flow Valves Installation.
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE)
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
Figure 1. Intermediate Manifold Removal.
Figure 3. Manifold Tubes Removal.
Figure 4. Manifold Tubes Installation.
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC HOSES REPLACEMENT
Figure 3. Blade Folder Hose Clamps on Hull Plate Removal.
Figure 4. Blade Folder Hoses and Flow Valves Removal.
Figure 6. Blade Folder Hoses and Flow Valves Installation.
Figure 7. Blade Folder Hose Clamps Installation.
Figure 9. Blade Folder and Apron Hoses Installation.
TRACK ADJUSTING CYLINDER ASSEMBLY REPLACEMENT
Figure 2. Final Drive Adjusting Flange Removal.
Figure 5. Track Adjusting Cylinder Rod End Installation.
Figure 7. Track Adjusting Cylinder Locknuts Installation.
Figure 8. Rear Fuel Tank Strap Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY REPLACEMENT
Figure 2. Manifold and Plate Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT
Figure 2. Track and Blade Manifold Removal.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
Figure 5. Track and Blade Manifold Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
GENERAL REPAIR AND CLEANING METHODS
CLEANING INSTRUCTIONS
Oil Seals, Electrical Cables, and Flexible Hoses
TAGGING WIRES AND HOSES
BLOCKING/UNBLOCKING THE HULL
BLOCKING TRACK OR ROADWHEELS
Figure 1. Blocking Track or Roadwheels.
WIRING HARNESS AND CABLE REPAIR
Figure 1. Panel Mount Receptacle Repair.
oFigure 2. Plug Repair.
Figure 3. Terminal-type Cable Connector.
Figure 5. Female Cable Connector with Washer.
RELIEVING AIR PRESSURE
GENERAL HYDRAULIC SYSTEM REPAIR METHODS
GENERAL HYDRAULIC SYSTEM REPAIR METHODS - Continued
RELIEVING HYDRAULIC PRESSURE
RELIEVING HYDRAULIC PRESSURE - Continued
RELIEVING HYDRAULIC PRESSURE - Continued
Figure 6. O-ring Installation.
Figure 7. Adjustable Fittings.
Figure 8. Quick Disconnect.
Table 1. Torque Value Guide for Hydraulic Fittings.
LUBRICATION INSTRUCTIONS
'Unknown' by Unknown - Page 262 of 404
'Unknown' by Unknown - Page 263 of 404
TORQUE LIMITS
Table 2. Torque Limits for Wet Fasteners.
CHAPTER 7 PARTS INFORMATION
REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INTRODUCTION
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES
Table 2. Source Code First and Second Position
Table 3. Maintenance Code Third Position.
Table 5. Recoverability Code Fifth Position.
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
HOW TO LOCATE REPAIR PARTS
GROUP AJ01 ELECTRICAL SYSTEM
Figure 1. Apron Wiring Harness.
Figure 1. Apron Wiring Harness. - Continued
Figure 2. Headlight Wiring Harness and Mounting Hardware.
Figure 2. Headlight Wiring Harness and Mounting Hardware. - Continued
Figure 3. Blade Folding Wiring Harness.
Figure 3. Blade Folding Wiring Harness. - Continued
Figure 4. Control Box Power Wiring Harness.
Figure 4. Control Box Power Wiring Harness. - Continued
Figure 5. Manifold Wiring Harness.
Figure 5. Manifold Wiring Harness. - Continued
Figure 6. Control Box Wiring Harness.(12491623)
Figure 6. Control Box Wiring Harness.(12491623) - Continued
Figure 7. Control Box Wiring Harness.(12491624)
Figure 7. Control Box Wiring Harness.(12491624) - Continued
Figure 8. Track and Blade Control Box.
Figure 8. Track and Blade Control Box. - Continued
Figure 9. Track and Blade Control Box Cable.
Figure 9. Track and Blade Control Box Cable. - Continued
Figure 10. Headlight Assembly.
Figure 10. Headlight Assembly. - Continued
Figure 10. Headlight Assembly. - Continued
GROUP AM01 FUEL SYSTEM
Figure 11. Fuel Tank Assembly and Related Parts.
Figure 11. Fuel Tank Assembly and Related Parts. - Continued
Figure 11. Fuel Tank Assembly and Related Parts. - Continued
Figure 12. Apron Dozer and Blade Assembly. (Sheet 1 of 2)
Figure 12. Apron Dozer and Blade Assembly. (Sheet 2 of 2)
Figure 12. Apron Dozer and Blade Assembly. - Continued
Figure 12. Apron Dozer and Blade Assembly. - Continued
Figure 12. Apron Dozer and Blade Assembly. - Continued
GROUP AR01 HYDRAULIC SYSTEM
Figure 13. Hydraulic Valves and Fittings.
Figure 13. Hydraulic Valves and Fittings. - Continued
Figure 14. Hydraulic Valves Bracket.
Figure 14. Hydraulic Valves Bracket. - Continued
Figure 15. Hydraulic Hoses and Fittings. (Sheet 1 of 3)
Figure 15. Hydraulic Hoses and Fittings. (Sheet 2 of 3)
Figure 15. Hydraulic Hoses and Fittings. (Sheet 3 of 3)
Figure 15. Hydraulic Hoses and Fittings. - Continued
Figure 16. Blade Folding Hose.
Figure 16. Blade Folding Hose. - Continued
GROUP AR02 HYDRAULIC INSTALLATION
Figure 17. Hydraulic Tubes and Fittings.
Figure 17. Hydraulic Tubes and Fittings. - Continued
Figure 17. Hydraulic Tubes and Fittings. - Continued
Figure 18. Hydraulic Manifolds and Mounting Parts.
Figure 18. Hydraulic Manifolds and Mounting Parts. - Continued
GROUP A301 SUSPENSION INSTALLATION
Figure 19. Track Adjusting Cylinder Assembly.
Figure 19. Track Adjusting Cylinder Assembly. - Continued
Figure 20. Track Adjusting Cylinder.
Figure 20. Track Adjusting Cylinder. - Continued
Figure 21. Track and Blade Manifold Assembly.
Figure 21. Track and Blade Manifold Assembly. - Continued
Figure 22. Track and Blade Manifold.
Figure 22. Track and Blade Manifold. - Continued
GROUP 9401 KITS
Figure KITS.
Figure KITS. - Continued
GROUP 9501 BULK
Figure BULK.
Figure BULK. - Continued
NATIONAL STOCK NUMBER INDEX
NATIONAL STOCK NUMBER INDEX - Continued
NATIONAL STOCK NUMBER INDEX - Continued
NATIONAL STOCK NUMBER INDEX - Continued
PART NUMBER INDEX
PART NUMBER INDEX - Continued
PART NUMBER INDEX - Continued
PART NUMBER INDEX - Continued
CHAPTER 8 SUPPORTING INFORMATION
REFERENCES
PAMPHLETS AND BULLETINS
MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION
The Army Maintenance System MAC
EXPLANATION OF COLUMNS IN THE MAC
Explanation of Columns in the Tools and Test Equipment Requirements
STANDARD TWO-LEVEL MAC
Table 1. Maintenance Allocation Chart (MAC)
Table 1. Maintenance Allocation Chart (MAC) - Continued
Table 1. Maintenance Allocation Chart (MAC) - Continued
Table 2. Tools and Test Equipment.
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS
Table 1. Components of End Item List.
ADDITIONAL AUTHORIZATION LIST (AAL)
EXPENDABLE AND DURABLE ITEMS LIST
Table 1. Expendable and Durable Items List.
Table 1. Expendable and Durable Items List. - Continued
Table 1. Expendable and Durable Items List. - Continued
TOOL IDENTIFICATION LIST
Table 1. Tool Identification List.
DIAGRAMS
INDEX
INDEX - Continued
INDEX - Continued
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
'Unknown' by Unknown - Page 395 of 404
FO-1. Electrical Schematic MWO, M9 ACE.
FO-2. Wiring Harness, Control Box (Sheet 1 of 2).
FO-2. Wiring Harness, Control Box (Sheet 2 of 2).
GENERAL INFORMATION
PREPARATION FOR STORAGE OR SHIPMENT
LIST OF ABBREVIATIONS/ACRONYMS
SAFETY, CARE, AND HANDLING
Figure 1. Major Components Front.
Figure 2. Major Components Rear.
Figure 3. Major Components Operator's Compartment.
Table 2. Land Performance.
Table 3. Capacities.
Table 7. Winch (35,000 lb (15,890 kg)).
Figure 1. Track Adjusting Cylinders.
Figure 2. Tracks and Roadwheels.
Figure 4. Hydraulic Manifold Operation.
CHAPTER 2 OPERATOR INSTRUCTIONS
Figure 1. Controls and Indicators.
Figure 1. Folding Dozer Blade.
FOLDING DOZER BLADE - Continued
FOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE
UNFOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE - Continued
UNFOLDING DOZER BLADE - Continued
TRACK TENSION ADJUSTMENT
TRACK TENSION ADJUSTMENT - Continued
TRACK TENSION ADJUSTMENT - Continued
TRACK TENSION ADJUSTMENT - Continued
OPERATION UNDER UNUSUAL CONDITIONS
CHAPTER 3 TROUBLESHOOTING PROCEDURES
TROUBLESHOOTING INTRODUCTION
TROUBLESHOOTING MALFUNCTIONS/SYMPTOM INDEX
TROUBLESHOOTING PROCEDURES - HEADLIGHTS DO NOT OPERATE
ELECTRICAL SYSTEM
Figure 2. Headlight Connectors.
ELECTRICAL SYSTEM - Continued
TROUBLESHOOTING PROCEDURES - TRACK (LEFT OR RIGHT) WILL NOT TIGHTEN OR LOOSEN, HBF-TT SYSTEM (ELECTRICAL)
Figure 1. Control Box Power Harness.
Figure 2. Control Wire Harness.
Figure 3. Manifold Wiring Harness Connector.
Figure 4. Valve Solenoid.
Figure 5. Control Box.
Figure 6. Control Box Connectors J-1 and J-2.
ELECTRICAL SYSTEM - Continued
Figure 7. Track Loosening Switch.
Figure 8. Track Loosening Switch.
Table 6. Control Box Switch Tests.
Figure 9. Control Box Wiring Harness.
Table 7. Control Box Switch Test.
ELECTRICAL SYSTEM - Continued
ELECTRICAL SYSTEM - Continued
TROUBLESHOOTING PROCEDURES - TRACK (LEFT OR RIGHT) WILL NOT TIGHTEN OR LOOSEN, TRACK ADJUSTING CYLINDER
HYDRAULIC INSTALLATION
Figure 1. Oil Flow Test.
Figure 2. Hose Test.
TROUBLESHOOTING PROCEDURES - FRONT CORNER (LEFT OR RIGHT) DOES NOT RAISE OR LOWER IN UNSPRUNG MODE, TRACK ADJUSTING CYLINDER
HYDRAULIC INSTALLATION - Continued
Figure 1. Track Adjusting Cylinders Manifold.
HYDRAULIC INSTALLATION - Continued
TROUBLESHOOTING PROCEDURES - LEFT OR RIGHT TRACK ADJUSTING CYLINDERS WILL NOT EXTEND AFTER SUSPENSION CONTROL LEVERS ARE RETURNED TO NEUTRAL
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
TROUBLESHOOTING PROCEDURES - BLADE WILL NOT FOLD OR UNFOLD IN SPRUNG MODE
Figure 1. Test Spool Valve.
HYDRAULIC INSTALLATION - Continued
HYDRAULIC INSTALLATION - Continued
CHAPTER 4 OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) MAINTENANCE INSTRUCTIONS
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
GENERAL PMCS PROCEDURES
Table 1. Operator Preventive Maintenance Checks and Services (PMCS).
Figure 1. Apron Pin.
CHAPTER 5 FIELD PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) MAINTENANCE INSTRUCTIONS
FIELD PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) INTRODUCTION
SPECIFIC PMCS PROCEDURES
Table 1. Field Preventive Maintenance Checks and Services (PMCS).
CHAPTER 6 MAINTENANCE INSTRUCTIONS
SERVICE UPON RECEIPT
SERVICING INSTRUCTIONS
APRON WIRING HARNESS REPLACEMENT
HEADLIGHT WIRING HARNESS REPLACEMENT
Figure 1. Headlight Wiring Harness Removal.
Figure 2. Headlight Wiring Harness Installation.
Figure 1. Blade Folder Wiring Harness Removal.
Figure 2. Blade Folder Wiring Harness Installation.
CONTROL BOX POWER WIRING HARNESS REPLACEMENT
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
CONTROL BOX POWER WIRING HARNESS REPLACEMENT - Continued
MANIFOLD WIRING HARNESS REPLACEMENT
Figure 2. Manifold Wiring Harness Removal.
Figure 4. Manifold Wiring Harness Connectors Installation.
CONTROL BOX WIRING HARNESS REPLACEMENT
Figure 2. Control Box Harnesses Installation.
TRACK AND BLADE CONTROL BOX REPAIR
Figure 2. Control Box Disassembly.
Figure 3. Control Box Assembly.
TRACK AND BLADE CONTROL BOX REPAIR - Continued
Figure 1. Track and Blade Control Box Removal.
Figure 1. Track and Blade Control Box Removal. - Continued
HEADLIGHT ASSEMBLY REPLACEMENT
Figure 2. Headlight Installation.
HEADLIGHT PLATE SPACER, LIGHT LENS, AND GASKET REPLACEMENT
Figure 3. Headlight Gasket Installation.
Figure 4. Headlight Plate Spacer Installation.
HEADLIGHT LENS HOLDER AND LIGHT FILTER, LIGHT LENS, AND RUBBER ROUND SEAL REPLACEMENT
Figure 2. Headlight Lens Holder Removal.
Figure 3. Headlight Light Filter Installation.
Figure 4. Headlight Round Rubber Seal Installation.
HEADLIGHT INCANDESCENT LAMP REPLACEMENT
Figure 2. Headlight Incandescent Lamp Installation.
HEADLIGHT MOUNT REPLACEMENT
Figure 2. Headlight Mount Installation.
HEADLIGHT SUPPORT REPLACEMENT
Figure 1. Headlight Support Removal.
Figure 2. Headlight Support Installation.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR
Figure 1. Support Blocks Removal.
Figure 2. Blade Removal.
Figure 4. Intermediate Headlight Wiring Harness Removal.
Figure 5. Lifting Apron and Dozer Assembly Removal.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR - Continued
Figure 6. Cutting Edges Disassembly.
Figure 7. Extension Disassembly.
Figure 8. Apron Wear Plates and Side Seals.
Figure 10. Apron Retaining Rings Disassembly.
Figure 12. Lifting Eye and Apron Disassembly.
Figure 13. Inner Bushings from Apron Disassembly.
oFigure 15. Installation of Bushings onto Apron Assembly.
APRON AND DOZER ASSEMBLY REPLACEMENT AND REPAIR - Continued
Figure 16. Ripper Blade and Apron Assembly.
Figure 17. Installation of Studs onto Apron Assembly.
Figure 18. Cutting Edges Assembly.
Figure 19. Apron and Dozer Extensions Assembly.
Figure 20. Alignment of Apron and Dozer Assembly.
Figure 21. Apron Wear Plates and Side Seals Assembly.
Figure 22. Apron Strips Assembly.
Figure 23. Apron and Dozer Assembly Installation.
Figure 25. Hydraulic Cylinders Installation.
Figure 26. Headlight Intermediate Wiring Harness and Apron Wiring Harness Installation.
DOZER BLADE REPLACEMENT AND REPAIR
Figure 2. Outer Pivot Pins Removal.
Figure 3. Shackle and Dozer Blade Disassembly.
Figure 5. Pivot Points Installation.
Figure 6. Dozer Blade Installation.
Figure 8. Dozer Blade and Pin Assembly Installation.
Figure 9. Inner Pivot Pins Installation.
ACTUATOR ASSEMBLY REPLACEMENT
Figure 2. Apron Actuator Installation.
HYDRAULIC VALVES REPLACEMENT
Figure 2. Flow Valves Removal.
Figure 3. Flow Valves Installation.
HYDRAULIC VALVES REPLACEMENT - Continued
HYDRAULIC FITTINGS REPLACEMENT
Figure 2. Flow Valves Installation.
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE)
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
Figure 1. Intermediate Manifold Removal.
Figure 3. Manifold Tubes Removal.
Figure 4. Manifold Tubes Installation.
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC INTERMEDIATE MANIFOLD AND FITTINGS REPLACEMENT (LEFT SIDE) - Continued
HYDRAULIC HOSES REPLACEMENT
Figure 3. Blade Folder Hose Clamps on Hull Plate Removal.
Figure 4. Blade Folder Hoses and Flow Valves Removal.
Figure 6. Blade Folder Hoses and Flow Valves Installation.
Figure 7. Blade Folder Hose Clamps Installation.
Figure 9. Blade Folder and Apron Hoses Installation.
TRACK ADJUSTING CYLINDER ASSEMBLY REPLACEMENT
Figure 2. Final Drive Adjusting Flange Removal.
Figure 5. Track Adjusting Cylinder Rod End Installation.
Figure 7. Track Adjusting Cylinder Locknuts Installation.
Figure 8. Rear Fuel Tank Strap Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY REPLACEMENT
Figure 2. Manifold and Plate Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT
Figure 2. Track and Blade Manifold Removal.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
Figure 5. Track and Blade Manifold Installation.
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
TRACK AND BLADE MANIFOLD ASSEMBLY FITTINGS REPLACEMENT - Continued
GENERAL REPAIR AND CLEANING METHODS
CLEANING INSTRUCTIONS
Oil Seals, Electrical Cables, and Flexible Hoses
TAGGING WIRES AND HOSES
BLOCKING/UNBLOCKING THE HULL
BLOCKING TRACK OR ROADWHEELS
Figure 1. Blocking Track or Roadwheels.
WIRING HARNESS AND CABLE REPAIR
Figure 1. Panel Mount Receptacle Repair.
oFigure 2. Plug Repair.
Figure 3. Terminal-type Cable Connector.
Figure 5. Female Cable Connector with Washer.
RELIEVING AIR PRESSURE
GENERAL HYDRAULIC SYSTEM REPAIR METHODS
GENERAL HYDRAULIC SYSTEM REPAIR METHODS - Continued
RELIEVING HYDRAULIC PRESSURE
RELIEVING HYDRAULIC PRESSURE - Continued
RELIEVING HYDRAULIC PRESSURE - Continued
Figure 6. O-ring Installation.
Figure 7. Adjustable Fittings.
Figure 8. Quick Disconnect.
Table 1. Torque Value Guide for Hydraulic Fittings.
LUBRICATION INSTRUCTIONS
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'Unknown' by Unknown - Page 263 of 404
TORQUE LIMITS
Table 2. Torque Limits for Wet Fasteners.
CHAPTER 7 PARTS INFORMATION
REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INTRODUCTION
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES
Table 2. Source Code First and Second Position
Table 3. Maintenance Code Third Position.
Table 5. Recoverability Code Fifth Position.
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
HOW TO LOCATE REPAIR PARTS
GROUP AJ01 ELECTRICAL SYSTEM
Figure 1. Apron Wiring Harness.
Figure 1. Apron Wiring Harness. - Continued
Figure 2. Headlight Wiring Harness and Mounting Hardware.
Figure 2. Headlight Wiring Harness and Mounting Hardware. - Continued
Figure 3. Blade Folding Wiring Harness.
Figure 3. Blade Folding Wiring Harness. - Continued
Figure 4. Control Box Power Wiring Harness.
Figure 4. Control Box Power Wiring Harness. - Continued
Figure 5. Manifold Wiring Harness.
Figure 5. Manifold Wiring Harness. - Continued
Figure 6. Control Box Wiring Harness.(12491623)
Figure 6. Control Box Wiring Harness.(12491623) - Continued
Figure 7. Control Box Wiring Harness.(12491624)
Figure 7. Control Box Wiring Harness.(12491624) - Continued
Figure 8. Track and Blade Control Box.
Figure 8. Track and Blade Control Box. - Continued
Figure 9. Track and Blade Control Box Cable.
Figure 9. Track and Blade Control Box Cable. - Continued
Figure 10. Headlight Assembly.
Figure 10. Headlight Assembly. - Continued
Figure 10. Headlight Assembly. - Continued
GROUP AM01 FUEL SYSTEM
Figure 11. Fuel Tank Assembly and Related Parts.
Figure 11. Fuel Tank Assembly and Related Parts. - Continued
Figure 11. Fuel Tank Assembly and Related Parts. - Continued
Figure 12. Apron Dozer and Blade Assembly. (Sheet 1 of 2)
Figure 12. Apron Dozer and Blade Assembly. (Sheet 2 of 2)
Figure 12. Apron Dozer and Blade Assembly. - Continued
Figure 12. Apron Dozer and Blade Assembly. - Continued
Figure 12. Apron Dozer and Blade Assembly. - Continued
GROUP AR01 HYDRAULIC SYSTEM
Figure 13. Hydraulic Valves and Fittings.
Figure 13. Hydraulic Valves and Fittings. - Continued
Figure 14. Hydraulic Valves Bracket.
Figure 14. Hydraulic Valves Bracket. - Continued
Figure 15. Hydraulic Hoses and Fittings. (Sheet 1 of 3)
Figure 15. Hydraulic Hoses and Fittings. (Sheet 2 of 3)
Figure 15. Hydraulic Hoses and Fittings. (Sheet 3 of 3)
Figure 15. Hydraulic Hoses and Fittings. - Continued
Figure 16. Blade Folding Hose.
Figure 16. Blade Folding Hose. - Continued
GROUP AR02 HYDRAULIC INSTALLATION
Figure 17. Hydraulic Tubes and Fittings.
Figure 17. Hydraulic Tubes and Fittings. - Continued
Figure 17. Hydraulic Tubes and Fittings. - Continued
Figure 18. Hydraulic Manifolds and Mounting Parts.
Figure 18. Hydraulic Manifolds and Mounting Parts. - Continued
GROUP A301 SUSPENSION INSTALLATION
Figure 19. Track Adjusting Cylinder Assembly.
Figure 19. Track Adjusting Cylinder Assembly. - Continued
Figure 20. Track Adjusting Cylinder.
Figure 20. Track Adjusting Cylinder. - Continued
Figure 21. Track and Blade Manifold Assembly.
Figure 21. Track and Blade Manifold Assembly. - Continued
Figure 22. Track and Blade Manifold.
Figure 22. Track and Blade Manifold. - Continued
GROUP 9401 KITS
Figure KITS.
Figure KITS. - Continued
GROUP 9501 BULK
Figure BULK.
Figure BULK. - Continued
NATIONAL STOCK NUMBER INDEX
NATIONAL STOCK NUMBER INDEX - Continued
NATIONAL STOCK NUMBER INDEX - Continued
NATIONAL STOCK NUMBER INDEX - Continued
PART NUMBER INDEX
PART NUMBER INDEX - Continued
PART NUMBER INDEX - Continued
PART NUMBER INDEX - Continued
CHAPTER 8 SUPPORTING INFORMATION
REFERENCES
PAMPHLETS AND BULLETINS
MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION
The Army Maintenance System MAC
EXPLANATION OF COLUMNS IN THE MAC
Explanation of Columns in the Tools and Test Equipment Requirements
STANDARD TWO-LEVEL MAC
Table 1. Maintenance Allocation Chart (MAC)
Table 1. Maintenance Allocation Chart (MAC) - Continued
Table 1. Maintenance Allocation Chart (MAC) - Continued
Table 2. Tools and Test Equipment.
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS
Table 1. Components of End Item List.
ADDITIONAL AUTHORIZATION LIST (AAL)
EXPENDABLE AND DURABLE ITEMS LIST
Table 1. Expendable and Durable Items List.
Table 1. Expendable and Durable Items List. - Continued
Table 1. Expendable and Durable Items List. - Continued
TOOL IDENTIFICATION LIST
Table 1. Tool Identification List.
DIAGRAMS
INDEX
INDEX - Continued
INDEX - Continued
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
PART I ALL PUBLICATIONS (EXCEPT RPSTL AND SC/SM) AND BLANK FORMS
PART II REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS/SUPPLY MANUALS
'Unknown' by Unknown - Page 395 of 404
FO-1. Electrical Schematic MWO, M9 ACE.
FO-2. Wiring Harness, Control Box (Sheet 1 of 2).
FO-2. Wiring Harness, Control Box (Sheet 2 of 2).
