- SEMITRAILER, LOWBED: 40-TON
CONSTRUCTION EQUIPMENT TRANSPORTER
- Warning
- Warning (continued)
- Warning (continued)
- Table of Contents
- Table of Contents (continued)
- Table of Contents (continued)
- Table of Contents (continued)
- Table of Contents (continued)
- How to Use This Manual
- Text and Illustrations
- Chapter 1. Introduction
- Quality Assurance
- List of Abbreviations and Acronyms
- Corrosion Prevention and Control
- Section II. Equipment Description
- Location and Description of Major
Components
- Location and Description of Major
Components (continued)
- Location and Description of Major
Components (continued)
- Differences Between Models
- Equipment Data
- Equipment Data (continued)
- Section III. Principles of Operation
- Airbrake System
- Airbrake System (continued)
- Lighting System
- Chapter 2. Operating Instructions
- Controls and Indicators
- Controls and Indicators (continued)
- Controls and Indicators (continued)
- Controls and Indicators (continued)
- Section II. Operator/Crew Preventive
Maintenance Checks and Service (PMCS)
- Specific PMCS Procedures
- Leakage Definitions
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Table 2-1. Operator/Crew PMCS for the
M870 and M870A1 (continued)
- Section III. Operation Under Usual
Conditions
- Preparation For Use
- Preparation For Use (continued)
- Preparation For Use (continued)
- Preparation For Use (continued)
- Preparation For Use (continued)
- Operating Procedures
- Operating Procedures (continued)
- After Use
- After Use (continued)
- After Use (continued)
- After Use (continued)
- Location and Contents of Data Plates
- Section IV. Operation Under Unusual
Conditions
- Operation in Extreme Cold
- Operation in Mud and Snow
- Fording
- Chapter 3. Operator Maintenance
Instructions
- Section II. Operator/Crew
Troubleshooting Procedures
- Quick Guide to Troubleshooting
- Troubleshooting Chart
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Section III. Operator Maintenance
Procedures
- Electrical Connectors Service
- Gladhands Service
- Air Reservoirs Service
- Air Reservoirs Service (continued)
- Tire and Wheel Assembly Replacement
(M870)
- Tire and Wheel Assembly Replacement
(M870) (continued)
- Tire and Wheel Assembly Replacement
(M870) (continued)
- Tire and Wheel Assembly Replacement
(M870A1)
- Tire and Wheel Assembly Replacement
(M870A1) (continued)
- Tire and Wheel Assembly Replacement
(M870A1) (continued)
- Spare Tire and Wheel Assembly
Replacement (M870)
- Spare Tire and Wheel Assembly
Replacement (M870A1)
- Chapter 4. Unit Maintenance
- Section II. Service Upon Receipt
- Section III. Unit Preventive
Maintenance Checks and Services (PMCS)
- General PMCS Procedures
- Table 4-1. Unit Preventive Maintenance
Checks and Services (PMCS) for the M870/M870A1
- Table 4-1. Unit Preventive Maintenance
Checks and Services (PMCS) for the M870/M870A1 (continued)
- Table 4-1. Unit Preventive Maintenance
Checks and Services (PMCS) for the M870/M870A1 (continued)
- Table 4-1. Unit Preventive Maintenance
Checks and Services (PMCS) for the M870/M870A1 (continued)
- Section IV. Unit Troubleshooting
- Electrical Troubleshooting
- Quick Guide to Troubleshooting
- Troubleshooting Chart
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Troubleshooting Chart (continued)
- Section V. General Maintenance
Instructions
- Work Safety
- Cleaning Instructions
- Inspection Instructions
- Painting and Stenciling
- Section VI. Electrical System
Maintenance
- Blackout Light Replacement (M870A1)
- Blackout Light Replacement (M870A1)
(continued)
- Taillight Replacement (M870A1)
- Clearance Light Replacement (M870)
- Clearance Light Replacement (M870)
(continued)
- Clearance Light Replacement (M870)
(continued)
- Clearance Light Replacement (M870)
(continued)
- Clearance Light Replacement (M870A1)
- Clearance Light Replacement (M870A1)
(continued)
- Rear Corner Clearance Light Replacement
(M870)
- Rear Corner Clearance Light Replacement
(M870) (continued)
- Stoplight-Taillight Replacement (M870)
- Stoplight-Taillight Replacement (M870)
(continued)
- Composite Light Assembly Repair (M870
Marine Corps Variation)
- Composite Light Assembly Repair (M870
Marine Corps Variation) (continued)
- Wiring Harness Replacement (M870)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Wiring Harness Replacement (M870)
(continued)
- Voltage Reduction Box Replacement
(M870)
- Voltage Reduction Box Replacement
(M870) (continued)
- 12-Volt Receptacle Replacement (M870A1)
- 12-Volt Receptacle Replacement (M870A1)
(continued)
- 24-Volt Receptacle Replacement (M870A1)
- 24-Volt Receptacle Replacement (M870A1)
(continued)
- Resistor Replacement (M870A1)
- Resistor Replacement (M870A1)
(continued)
- Eight-Point Terminal Strip Replacement
(M870A1)
- Eight-Point Terminal Strip Replacement
(M870A1) (continued)
- Three-Point Terminal Strip Replacement
(M870A1)
- Three-Point Terminal Strip Replacement
(M870A1) (continued)
- Front Wiring Harness Replacemnt
(M870A1)
- Front Wiring Harness Replacemnt
(M870A1) (continued)
- Middle Wiring Harness Replacement
(M870A1)
- Rear Wiring Harness Replacement
(M870A1)
- Rear Wiring Harness Replacement
(M870A1) (continued)
- Main Wiring Harness Replacement
(M870A1)
- Main Wiring Harness Replacement
(M870A1) (continued)
- Section VII. Brake System Maintenance
Procedures
- Brakeshoe Replacement and Maintenance
- Brakeshoe Replacement and Maintenance
(continued)
- Brakeshoe Replacement and Maintenance
(continued)
- Brake Adjustment
- Brake Adjustment (continued)
- Slack Adjuster Replacement
- Slack Adjuster Test
- Gladhand Replacement
- Gladhand Replacement (continued)
- Air Hoses and Fittings Maintenance
- Airbrake Chamber Replacement
- Airbrake Chamber Replacement
(continued)
- Airbrake Chamber Replacement
(continued)
- Spring Brake Chamber Replacement
- Spring Brake Chamber Replacement
(continued)
- Spring Brake Chamber Replacement
(continued)
- Spring Brake Chamber Replacement
(continued)
- Relay Emergence Valve Replacement,
Operating Test, and Leakage Test
- Relay Emergence Valve Replacement,
Operating Test, and Leakage Test (continued)
- Multifinction Valve Replacement and
Operating Test (M870)
- Multifinction Valve Replacement and
Operating Test (M870) (continued)
- Multifinction Valve Replacement and
Operating Test (M870A1)
- Multifinction Valve Replacement and
Operating Test (M870A1) (continued)
- Multifunction Valve Mounting Bracket
Replacement (M870)
- mergency Relay Valve Replacement,
Operating Test, and Leakage Test (M870)
- mergency Relay Valve Replacement,
Operating Test, and Leakage Test (M870) (continued)
- mergency Relay Valve Replacement,
Operating Test, and Leakage Test (M870A1)
- mergency Relay Valve Replacement,
Operating Test, and Leakage Test (M870A1) (continued)
- Front Air Reservoir and Drain Cock
Replacement (M870)
- Front Air Reservoir and Drain Cock
Replacement (M870) (continued)
- Front Air Reservoir and Drain Cock
Replacement (M870) (continued)
- Middle Air Reservoir and Drain Cock
Replacement (M870)
- Middle Air Reservoir and Drain Cock
Replacement (M870) (continued)
- Middle Air Reservoir and Drain Cock
Replacement (M870) (continued)
- Rear Air Reservoir and Drain Cock
Replacement (M870)
- Rear Air Reservoir and Drain Cock
Replacement (M870) (continued)
- Front Air Reservoir and Drain Cock
Replacement (M870A1)
- Front Air Reservoir and Drain Cock
Replacement (M870A1) (continued)
- Middle Air Reservoir and Drain Cock
Replacement (M870A1)
- Middle Air Reservoir and Drain Cock
Replacement (M870A1) (continued)
- Rear Air Reservoir and Drain Cock
Replacement (M870A1)
- Rear Air Reservoir and Drain Cock
Replacement (M870A1) (continued)
- Air Reservoir Serviceability Test
- Section VIII. Wheels, Hubs, and
Brakedrums Maintenance
- Hub and Brakedrum maintenance (M870)
- Hub and Brakedrum maintenance (M870)
(continued)
- Hub and Brakedrum maintenance (M870)
(continued)
- Hub and Brakedrum maintenance (M870)
(continued)
- Hub and Brakedrum maintenance (M870)
(continued)
- Hub and Brakedrum Maintenance (M870A1)
- Hub and Brakedrum Maintenance (M870A1)
(continued)
- Hub and Brakedrum Maintenance (M870A1)
(continued)
- Hub and Brakedrum Maintenance (M870A1)
(continued)
- Hub and Brakedrum Maintenance (M870A1)
(continued)
- Section IX. Frame and Towing
Attachments Maintenance
- Hook Fastener Replacement
- Hook Fastener Replacement (continued)
- Lockpin Replacement
- Lockpin Replacement (continued)
- Kingpin Replacement
- Shackle Replacement (M870A1)
- Plank Replacement
- Plank Replacement (continued)
- Section XI. Accessory Items Maintenance
- Data Plate Replacement (M870)
- Data Plate Replacement (M870A1)
- Splash Guard (Mud Flap) Replacement
- Reflector Replacement (M870)
- Reflector Replacement (M870A1)
- Section XII. Preparation for Storage or
Shipment
- Preparation of Equipment for
Administrative Storage
- Preparation of Equipment for
Administrative Storage (continued)
- Procedures for Common Components and
Miscellaneous Items
- Chapter 5. Direct Support and General
Support Maintenance
- 24-Volt Receptacle Repair (M870A1)
- Section II. Axle Maintenance
- Middle Axle Replacement (M870)
- Middle Axle Replacement (M870)
(continued)
- Middle Axle Replacement (M870)
(continued)
- Middle Axle Replacement (M870)
(continued)
- Middle Axle Replacement (M870)
(continued)
- Middle Axle Replacement (M870A1)
- Middle Axle Replacement (M870A1)
(continued)
- Middle Axle Replacement (M870A1)
(continued)
- Middle Axle Replacement (M870A1)
(continued)
- Middle Axle Replacement (M870A1)
(continued)
- Middle Axle Replacement (M870A1)
(continued)
- Front and Rear Axle Replacement (M870)
- Front and Rear Axle Replacement (M870)
(continued)
- Front and Rear Axle Replacement (M870)
(continued)
- Front and Rear Axle Replacement
(M870A1)
- Front and Rear Axle Replacement
(M870A1) (continued)
- Front and Rear Axle Replacement
(M870A1) (continued)
- Front and Rear Axle Replacement
(M870A1) (continued)
- Equalizing Beam Replacement (M870)
- Equalizing Beam Replacement (M870)
(continued)
- Equalizing Beam Replacement (M870)
(continued)
- Equalizing Beam Replacement (M870)
(continued)
- Equalizing Beam Replacement (M870A1)
- Equalizing Beam Replacement (M870A1)
(continued)
- Equalizing Beam Replacement (M870A1)
(continued)
- Equalizing Beam Replacement (M870A1)
(continued)
- Trunnion Tube and Bracket Replacement
(M870)
- Trunnion Tube and Bracket Replacement
(M870) (continued)
- Trunnion Tube Replacement (M870A1)
- Trunnion Tube Replacement (M870A1)
(continued)
- Section III. Brake Maintenance
- Backing Plate and Camshaft Repair and
Replacement (M870)
- Backing Plate and Camshaft Repair and
Replacement (M870) (continued)
- Backing Plate and Camshaft Repair and
Replacement (M870) (continued)
- Camshaft Replacement (M870A1)
- Camshaft Replacement (M870A1)
(continued)
- Section IV. Wheels and Tracks
Maintenance
- Brakedrum Repair (M870 and M870A1)
- Section V. Frame and Towing Attachments
Maintenance
- Tiedown Ring Replacement
- Lower Link Assembly Replacement (M870)
- Lower Link Assembly Replacement (M870)
(continued)
- Lower Link Assembly Replacement
(M870A1)
- Lower Link Assembly Replacement
(M870A1) (continued)
- Gooseneck Hinge Pin Replacement (M870)
- Gooseneck Hinge Pin Replacement (M870)
(continued)
- Gooseneck Hinge Pin Replacement
(M870A1)
- Gooseneck Hinge Pin Replacement
(M870A1) (continued)
- Spare Tire Carrier Replacement (M870)
- Spare Tire Carrier Replacement (M870A1)
- Section VI. Springs and Shocks
Maintenance
- Spring Assembly and Clamp Plate
Replacement (M870)
- Spring Assembly and Clamp Plate
Replacement (M870A1)
- Spring Assembly and Clamp Plate
Replacement (M870A1) (continued)
- Radius Rod Screw and Ends Replacement
and Adjustment, and Axle Bracket Replacement (M870)
- Radius Rod Screw and Ends Replacement
and Adjustment, and Axle Bracket Replacement (M870) (Continued)
- Radius Rod Screw and Ends Replacement
and Adjustment, and Axle Bracket Replacement (M870) (Continued)
- Torque Arm Screw and Ends Replacement
and Adjustment (M870A1)
- Torque Arm Screw and Ends Replacement
and Adjustment (M870A1) (continued)
- Torque Arm Screw and Ends Replacement
and Adjustment (M870A1) (continued)
- Clip Replacement (M870)
- Appendix A. References
- Manuals
- Appendix B. Maintenance Allocation
Chart
- Maintenance Functions
- Explanation of Columns in Section II,
Maintenance Allocation Chart for Semitrailer, Lowbed: M870 and
M870A1
- Section II. Maintenance Allocation
Chart for Semitrailer, Lowbed: M870 and M870A1
- Section II. Maintenance Allocation
Chart for Semitrailer, Lowbed: M870 and M870A1 (continued)
- Section II. Maintenance Allocation
Chart for Semitrailer, Lowbed: M870 and M870A1 (continued)
- Section II. Maintenance Allocation
Chart for Semitrailer, Lowbed: M870 and M870A1 (continued)
- Section III. Tool and Test Equipment
Requirements
- Section IV. Remarks
- Appendix C. Components of End Item and
Basic Issue Item Lists
- Explanation of Columns in Sections II
and III
- Section II. Components of End Item
(COEI)
- Section III. Basic Issue Items (BII)
- Appendix D. Additional Authorization
List
- Section II. Additional Authorized Items
List (M870A1)
- Appendix E. Repair Parts and Special
Tools List
- Explanation of Columns (Sections II and
III)
- Explanation of Columns (Sections II and
III) (continued)
- Explanation of Columns (Sections II and
III) (continued)
- Explanation of Columns (Sections II and
III) (continued)
- Explanation of Columns (section IV)
- Special Information
- Figure 1. Stop Lights
- Repair Parts List
- Figure 2. Clearance Lights and
Taillight
- Repair Parts List
- Figure 3. Electrical System
- Repair Parts List
- Figure 4. Electrical Box and Connector
- Repair Parts List
- Figure 5. Wiring Harness
- Repair Parts List
- Figure 6. Wiring Harnesses (sheet 1 of
2)
- Figure 6. Wiring Harnesses (sheet 2 of
2)
- Repair Parts List
- Repair Parts List (continued)
- Figure 7. Axle Suspension
- Repair Parts List
- Figure 8. Axle Suspension
- Repair Parts List
- Repair Parts List (continued)
- Figure 9. Axles
- Repair Parts List
- Figure 10. Axle Assembly
- Repair Parts List
- Repair Parts List (continued)
- Figure 11. Brake Shoe Assembly
- Repair Parts List
- Figure 12. Automatic Slack Adjuster
- Repair Parts List
- Figure 13. Air Brake Lines and Fittings
(sheet 1 of 2)
- Figure 13. Air Brake Lines and Fittings
(sheet 2 of 2)
- Repair Parts List
- Repair Parts List (continued)
- Figure 14. Air Brake and Spring Brake
Chambers
- Repair Parts List
- Figure 15. Emergency Relay and
Multi-Function Valves (sheet 1 of 2)
- Figure 15. Emergency Relay and
Multi-Function Valves (sheet 2 of 2)
- Repair Parts List
- Repair Parts List (continued)
- Figure 16. Air Reservoirs (sheet 1 of
2)
- Figure 16. Air Reservoirs (sheet 2 of
2)
- Repair Parts List
- Repair Parts List (continued)
- Figure 17. Gladhands
- Repair Parts List
- Figure 18. Hub and Drum
- Repair Parts List
- Figure 19. Hub and Drum Assembly
- Repair Parts List
- Figure 20. Wheel Assembly/Hub and Drum
- Repair Parts List
- Figure 21. Wheel Assembly (sheet 1 of
2)
- Figure 21. Wheel Assembly (sheet 2 of
2)
- Repair Parts List
- Figure 22. Tires
- Repair Parts List
- Figure 23. Gooseneck and Lashing Ring
(sheet 1 of 2)
- Figure 23. Gooseneck and Lashing Ring
(sheet 2 of 2)
- Repair Parts List
- Figure 24. Outriggers
- Repair Parts List
- Figure 25. Kingpin
- Repair Parts List
- Figure 26. Spare Tire Carrier Mounting
Hardware
- Repair Parts List
- Figure 27. Springs
- Repair Parts List
- Figure 28. Torque Arm
- Repair Parts List
- Figure 29. Floor Boards
- Repair Parts List
- Figure 30. Floor Clip
- Repair Parts List
- Figure 31. Reflectors and Mud Flaps
- Repair Parts List
- Figure 32. Data Plates and Decals
(sheet 1 of 2)
- Figure 32. Data Plates and Decals
(sheet 2 of 2)
- Repair Parts List
- Figure 33. Adaptation Kit
- Repair Parts List
- Repair Parts List
- Repair Parts List
- National Stock Number Index
- National Stock Number Index (continued)
- National Stock Number Index (continued)
- 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)
- Part Number Index (continued)
- Part Number Index (continued)
- Part Number Index (continued)
- Part Number Index (continued)
- Part Number Index (continued)
- Part Number Index (continued)
- Part Number Index (continued)
- Figure and Item Number Index
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Figure and Item Number Index
(continued)
- Appendix F. Expendable and Durable
Items List
- Section II. Expendable and Durable
Items List
- Section II. Expendable and Durable
Items List (continued)
- Appendix G. Illustrated List of
Manufactured Items
- Section II. Manufacturing Instructions
- Figure G-2. Electric Circuit - Service
Lights
- Figure G-4. Electric Circuit - Left
Turn Signal
- Figure G-6. Splash Guards
- Appendix H. Torque Values for Threaded
Fasteners
- How to Use Torque Table
- Table H-2. Torque Limits for Wet
Fasteners
- Tightening Metal Fasteners
- Fastener Grade
- Appendix I. Mandatory Replacement Parts
- Table I-1. Mandatory Replacement Parts
- Appendix J. Lubrication Instructions
- Specific Lubrication Instructions
- Specific Lubrication Instructions
(continued)
- Specific Lubrication Instructions
(continued)
- Specific Lubrication Instructions
(continued)
- Appendix K. Electrical and Brake System
Schematics
- Electrical System Schematics
- Figure K-3. M870 Brake System Schematic
- Figure K-4. M870A1 Brake System
Schematic
- INDEX
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- INDEX (continued)
- The Metric System and Equivalents
- Blank Page
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- 064045
- Recommended Changes to Equipment
Technical Publications
- Blank Page
- Blank Page
- By Order of the Secretary of the Army
- Blank Page
- Blank Page
- Business Reply Mail
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Business Reply Mail
- Recommended Changes to Equipment
Technical Publications
- Blank Page
- Recommended Changes to Equipment
Technical Publications
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Business Reply Mail
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Blank Page
- Recommended Changes to Equipment
Technical Publications
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