CHAPTER 1 INTRODUCTION - TM-9-2350-256-34-2_14
Figure 1-2. Recovery vehicle, full hacked: medium, M88A1-right rear view
Figure 1-3. Winches, power takeoff and hoist system-visual index (Sheet 1 of 2)
Figure 1-3. Winches, power takeoff, and hoist system--visual index (Sheet 2 of 2)
Section II. DESCRIPTION AND DATA
Figure 1-5. Main winch and spade assembly right rear view
Operation. - TM-9-2350-256-34-2_20
Figure 1-6. Main winch--cross-sectional view
Figure 1-7. Hoist winch assembly-left front view.
Figure 1-8. Hoist winch assembly--right rear view.
Hoist winch brake cylinder
Figure 1-9. Hoist winch assembly cross sectional view
Figure 1-10. Mechanical transmission and main hydraulic pump assembly - left front view.
Figure 1-11. Mechanical transmission and main hydraulic pump assembly right rear view.
Figure 1-12. Hoisting boom assembly-tight side view
Figure 1-13. Hoisting boom assembly-installed views.
Figure 1-15. Hydraulic subplate assembly left rear view
Figure 1-16. Hydraulic subplate assembly right front view
Main winch and hoist winch control valves
Figure 1-17. Combination control valves-installed view
Auxiliary Hydraulic System - TM-9-2350-256-34-2_34
Figure 1-22. Four-way selector value installed view
CHAPTER 2 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Table 2-1. Special Tools List
Figure 2-1. Special tools and equipment
Improvised Tools and Equipment
Figure 2-2. Safety boom stands
Section II. TROUBLESHOOTING
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_42
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM (cont)
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_44
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) (cont)
LEVELWINDER NOT OPERATING
HOIST WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_47
HOIST WINCH PAYS IN BUT WILL NOT PAY OUT
HOIST WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_49
MECHANICAL TRANSMISSION AND MAIN HYDRAULIC PUMP CIRCUIT (MAIN HYDRAULIC SYSTEM)
MECHANICAL TRANSMISSION FAILS TO DISENGAGE MAIN HYDRAULIC PUMP
SPADE CIRCUIT (MAIN HYDRAULIC SYSTEM)
SPADE CIRCUIT (MAIN HYDRAULIC SYSTEM) (cont)
SPADE WILL. OPERATE ONLY PARTIALLY
HOISTING BOOM CIRCUIT (MAIN HYDRAULIC SYSTEM)
BOOM OPERATES PARTIALLY
BOOM LIVE OPERATION DOES NOT FUNCTION
HOIST WINCH CIRCUIT (AUXILIARY HYDRAULIC SYSTEM)
BOOM WILL NOT OPERATE
FUEL TRANSFER PUMP DOES NOT OPERATE
IMPACT WRENCH DOES NOT OPERATE
Section III. GENERAL MAINTENANCE
Main Winch-Inhaul
Auxiliary Hydraulic System-Idling
Hoisting Boom-Forward
Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS
Adjustment and Load Test of Main
Main Winch Combination Control Valve Adjustment
Hoist Winch Combination Control Valve Adjustment.
Figure 2-6. Counterbalance valve adjusting screw
Load Test
CHAPTER 3 REPAIR INSTRUCTIONS
Figure 3-1. Hoisting boom assembly, partially exploded view--disassembly and assembly
Figure 3-2. Repair of Hoisting Boom
Section II. REPAIR OF MAIN WINCH AND SPADE ASSEMBLY
Figure 3-3. Spade, Cover Assembly, and Attaching Parts
Figure 3-4. Main winch and hydraulic lines
Figure 3-5. Main winch, cover, level winder, and attaching parts
Figure 3-5.1 Cover assembly and lubricating lines, mechanical spade release
Figure 3-6. Cover Assembly, Hydraulic and Lubricating Lines, Hydraulic Spade Release.
Figure 3-7. Main Winch, Motor, and Attaching Parts
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 1 of 4)
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 2 of 4)
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 3 of 4).
Figure 3-9. Spade-exploded view
Figure 3-10. Repair of spade
Figure 3-11. Main winch cable--exploded view
Figure 3-12. Repair of main winch cable.
Repair of Main Winch Level Winder Assembly
Figure 3-13. Main winch level winder assembly, lubricating and hydraulic lines
Figure 3-14. Level winder arm assembly
Figure 3-15. Repair of main winch level winder assembly (Sheet 1 of 2)
Figure 3-15. Repair of Main Level Winder Assembly (Sheet 2 of 2)
Assembly of Main Winch and Spade Assembly from Subassemblies
Figure 3-16. Hydraulic subplate, cover plate and parts
Figure 3-17. Subplate, fittings and plugs
Figure 3-18. Boom safety valve, control valves, and control levers
Figure 3-19. System selector valve, control valves, and control levers
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 1 of 5)
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 2of5).
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 3 of 5)
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 4 of 5)
Repair of Hydraulic Subplate Assembly Components
Figure 3-21. Mechanical transmission and main hydraulic pump assembly-partial exploded view disassembly and assembly
Figure 3-22. Disassembly of mechanical transmission and main hydraulic pump assembly into subassemblies (Sheet 1 of 2)
Figure 3-22. Disassembly of mechanical transmission and main hydraulic pump assembly into subassemblies (Sheet 2 of 2)
Section V. REPAIR OF HOIST WINCH ASSEMBLY
Figure 3-23. Hoist winch assembly-partial exploded view-disassembly and assembly.
Figure 3-24. Disassembly of Hoist Winch Assembly into Subassemblies
SECTION VI. REPAIR HYDRAULIC OIL TANK ASSEMBLY
Figure 3-25. Front cover assembly and attaching parts - hydraulic oil tank.
Figure 3-26. Top covers, and attaching parts - hydraulic oil tank
Figure 3-27. Repair of hydraulic oil tank (Sheet 1 of 2).
Figure 3-27. Repair of hydraulic oil tank (Sheet 2 of 2)
Section VII. REPAIR OF SPADE SUBPLATE AND COMBINATION CONTROL VALVE ASSEMBLY
Figure 3-28. Spade subplate and combination control valve assembly-exploded view-disassembly and assembly.
Figure 3-29. Disassembly of space subplate and combination control valve assembly
Section VIII. REPAIR OF FLOW REGULATOR SUBPLATE ASSEMBLY
Figure 3-30. Flow Regulator Subplate Assembly, Exploded View - Disassembly and Assembly
Figure 3-31. Disassembly of flow regulator subplate assembly
CHAPTER 4 FINAL INSPECTION
APPENDIX A REFERENCES - TM-9-2350-256-34-2_122
INDEX - TM-9-2350-256-34-2_123
INDEX (cont) - TM-9-2350-256-34-2_124
INDEX (cont) - TM-9-2350-256-34-2_125
INDEX (cont) - TM-9-2350-256-34-2_126
INDEX (cont) - TM-9-2350-256-34-2_127
INDEX (cont) - TM-9-2350-256-34-2_128
INDEX (cont) - TM-9-2350-256-34-2_129
INDEX (cont) - TM-9-2350-256-34-2_130
INDEX (cont) - TM-9-2350-256-34-2_131
INDEX (cont) - TM-9-2350-256-34-2_132
FO 1. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Hydraulic System Idling
FO 2. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Winch Payout.
FO 3. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Winch Inhaul
FO 4. Winch, Power Takeoff, and Hoist System Schematic Diagram Hoist Winch Lower
FO-5. Winch, Power Takeoff, and Hoist System - Schematic Diagram - Hoist Winch - Raise
FO-6. Winch Power Takeoff, and Hoisting System -Schematic Diagram - Hoisting Boom - Forward.
FO-7. Winch, Power Takeoff, and Hoist System Schematic Diagram Hoisting Boom, Retract/Stow.
FO-8. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Release
FO 9. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Raise
FO 10. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Lower
FO 11. Auxiliary Hydraulic System Schematic Diagram Idling
FO-15. Auxiliary Hydraulic System Schematic Diagram - Hoist Winch - Lower
FO-16. Auxiliary Hydraulic System Schematic Diagram - Hoisting Boom - Forward
FO-17. Auxiliary Hydraulic System Schematic Diagram - Hoisting Boom - Retract/Stow.
FO-18. Auxiliary Hydraulic System Schematic Diagram - Spade - Release
FO-19. Auxiliary Hydraulic System Schematic Diagram Spade Raise
FO-20. Auxiliary Hydraulic System Schematic Diagram Spade Lower
FO-21. Auxiliary Hydraulic System Schematic Diagram Refuel
FO-22. Auxiliary Hydraulic System Schematic Diagram Impact Wrench
Figure 1-2. Recovery vehicle, full hacked: medium, M88A1-right rear view
Figure 1-3. Winches, power takeoff and hoist system-visual index (Sheet 1 of 2)
Figure 1-3. Winches, power takeoff, and hoist system--visual index (Sheet 2 of 2)
Section II. DESCRIPTION AND DATA
Figure 1-5. Main winch and spade assembly right rear view
Operation. - TM-9-2350-256-34-2_20
Figure 1-6. Main winch--cross-sectional view
Figure 1-7. Hoist winch assembly-left front view.
Figure 1-8. Hoist winch assembly--right rear view.
Hoist winch brake cylinder
Figure 1-9. Hoist winch assembly cross sectional view
Figure 1-10. Mechanical transmission and main hydraulic pump assembly - left front view.
Figure 1-11. Mechanical transmission and main hydraulic pump assembly right rear view.
Figure 1-12. Hoisting boom assembly-tight side view
Figure 1-13. Hoisting boom assembly-installed views.
Figure 1-15. Hydraulic subplate assembly left rear view
Figure 1-16. Hydraulic subplate assembly right front view
Main winch and hoist winch control valves
Figure 1-17. Combination control valves-installed view
Auxiliary Hydraulic System - TM-9-2350-256-34-2_34
Figure 1-22. Four-way selector value installed view
CHAPTER 2 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
Table 2-1. Special Tools List
Figure 2-1. Special tools and equipment
Improvised Tools and Equipment
Figure 2-2. Safety boom stands
Section II. TROUBLESHOOTING
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_42
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM (cont)
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_44
MAIN WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) (cont)
LEVELWINDER NOT OPERATING
HOIST WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_47
HOIST WINCH PAYS IN BUT WILL NOT PAY OUT
HOIST WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) - TM-9-2350-256-34-2_49
MECHANICAL TRANSMISSION AND MAIN HYDRAULIC PUMP CIRCUIT (MAIN HYDRAULIC SYSTEM)
MECHANICAL TRANSMISSION FAILS TO DISENGAGE MAIN HYDRAULIC PUMP
SPADE CIRCUIT (MAIN HYDRAULIC SYSTEM)
SPADE CIRCUIT (MAIN HYDRAULIC SYSTEM) (cont)
SPADE WILL. OPERATE ONLY PARTIALLY
HOISTING BOOM CIRCUIT (MAIN HYDRAULIC SYSTEM)
BOOM OPERATES PARTIALLY
BOOM LIVE OPERATION DOES NOT FUNCTION
HOIST WINCH CIRCUIT (AUXILIARY HYDRAULIC SYSTEM)
BOOM WILL NOT OPERATE
FUEL TRANSFER PUMP DOES NOT OPERATE
IMPACT WRENCH DOES NOT OPERATE
Section III. GENERAL MAINTENANCE
Main Winch-Inhaul
Auxiliary Hydraulic System-Idling
Hoisting Boom-Forward
Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS
Adjustment and Load Test of Main
Main Winch Combination Control Valve Adjustment
Hoist Winch Combination Control Valve Adjustment.
Figure 2-6. Counterbalance valve adjusting screw
Load Test
CHAPTER 3 REPAIR INSTRUCTIONS
Figure 3-1. Hoisting boom assembly, partially exploded view--disassembly and assembly
Figure 3-2. Repair of Hoisting Boom
Section II. REPAIR OF MAIN WINCH AND SPADE ASSEMBLY
Figure 3-3. Spade, Cover Assembly, and Attaching Parts
Figure 3-4. Main winch and hydraulic lines
Figure 3-5. Main winch, cover, level winder, and attaching parts
Figure 3-5.1 Cover assembly and lubricating lines, mechanical spade release
Figure 3-6. Cover Assembly, Hydraulic and Lubricating Lines, Hydraulic Spade Release.
Figure 3-7. Main Winch, Motor, and Attaching Parts
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 1 of 4)
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 2 of 4)
Figure 3-8. Disassembly of main winch and spade assemblies into subassemblies (Sheet 3 of 4).
Figure 3-9. Spade-exploded view
Figure 3-10. Repair of spade
Figure 3-11. Main winch cable--exploded view
Figure 3-12. Repair of main winch cable.
Repair of Main Winch Level Winder Assembly
Figure 3-13. Main winch level winder assembly, lubricating and hydraulic lines
Figure 3-14. Level winder arm assembly
Figure 3-15. Repair of main winch level winder assembly (Sheet 1 of 2)
Figure 3-15. Repair of Main Level Winder Assembly (Sheet 2 of 2)
Assembly of Main Winch and Spade Assembly from Subassemblies
Figure 3-16. Hydraulic subplate, cover plate and parts
Figure 3-17. Subplate, fittings and plugs
Figure 3-18. Boom safety valve, control valves, and control levers
Figure 3-19. System selector valve, control valves, and control levers
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 1 of 5)
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 2of5).
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 3 of 5)
Figure 3-20. Disassembly of hydraulic subplate assembly into subassemblies (Sheet 4 of 5)
Repair of Hydraulic Subplate Assembly Components
Figure 3-21. Mechanical transmission and main hydraulic pump assembly-partial exploded view disassembly and assembly
Figure 3-22. Disassembly of mechanical transmission and main hydraulic pump assembly into subassemblies (Sheet 1 of 2)
Figure 3-22. Disassembly of mechanical transmission and main hydraulic pump assembly into subassemblies (Sheet 2 of 2)
Section V. REPAIR OF HOIST WINCH ASSEMBLY
Figure 3-23. Hoist winch assembly-partial exploded view-disassembly and assembly.
Figure 3-24. Disassembly of Hoist Winch Assembly into Subassemblies
SECTION VI. REPAIR HYDRAULIC OIL TANK ASSEMBLY
Figure 3-25. Front cover assembly and attaching parts - hydraulic oil tank.
Figure 3-26. Top covers, and attaching parts - hydraulic oil tank
Figure 3-27. Repair of hydraulic oil tank (Sheet 1 of 2).
Figure 3-27. Repair of hydraulic oil tank (Sheet 2 of 2)
Section VII. REPAIR OF SPADE SUBPLATE AND COMBINATION CONTROL VALVE ASSEMBLY
Figure 3-28. Spade subplate and combination control valve assembly-exploded view-disassembly and assembly.
Figure 3-29. Disassembly of space subplate and combination control valve assembly
Section VIII. REPAIR OF FLOW REGULATOR SUBPLATE ASSEMBLY
Figure 3-30. Flow Regulator Subplate Assembly, Exploded View - Disassembly and Assembly
Figure 3-31. Disassembly of flow regulator subplate assembly
CHAPTER 4 FINAL INSPECTION
APPENDIX A REFERENCES - TM-9-2350-256-34-2_122
INDEX - TM-9-2350-256-34-2_123
INDEX (cont) - TM-9-2350-256-34-2_124
INDEX (cont) - TM-9-2350-256-34-2_125
INDEX (cont) - TM-9-2350-256-34-2_126
INDEX (cont) - TM-9-2350-256-34-2_127
INDEX (cont) - TM-9-2350-256-34-2_128
INDEX (cont) - TM-9-2350-256-34-2_129
INDEX (cont) - TM-9-2350-256-34-2_130
INDEX (cont) - TM-9-2350-256-34-2_131
INDEX (cont) - TM-9-2350-256-34-2_132
FO 1. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Hydraulic System Idling
FO 2. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Winch Payout.
FO 3. Winch, Power Takeoff, and Hoist System Schematic Diagram Main Winch Inhaul
FO 4. Winch, Power Takeoff, and Hoist System Schematic Diagram Hoist Winch Lower
FO-5. Winch, Power Takeoff, and Hoist System - Schematic Diagram - Hoist Winch - Raise
FO-6. Winch Power Takeoff, and Hoisting System -Schematic Diagram - Hoisting Boom - Forward.
FO-7. Winch, Power Takeoff, and Hoist System Schematic Diagram Hoisting Boom, Retract/Stow.
FO-8. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Release
FO 9. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Raise
FO 10. Winch, Power Takeoff, and Hoist System Schematic Diagram Spade Lower
FO 11. Auxiliary Hydraulic System Schematic Diagram Idling
FO-15. Auxiliary Hydraulic System Schematic Diagram - Hoist Winch - Lower
FO-16. Auxiliary Hydraulic System Schematic Diagram - Hoisting Boom - Forward
FO-17. Auxiliary Hydraulic System Schematic Diagram - Hoisting Boom - Retract/Stow.
FO-18. Auxiliary Hydraulic System Schematic Diagram - Spade - Release
FO-19. Auxiliary Hydraulic System Schematic Diagram Spade Raise
FO-20. Auxiliary Hydraulic System Schematic Diagram Spade Lower
FO-21. Auxiliary Hydraulic System Schematic Diagram Refuel
FO-22. Auxiliary Hydraulic System Schematic Diagram Impact Wrench
