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Model List:
- DL11-44 GEN3 Telescopic Handler
- DL11-55 GEN3 Telescopic Handler
- DL12-40 GEN3 Telescopic Handler
- DL12-55 GEN3 Telescopic Handler
- MTA 12055 Series 3 Telescopic Handler
- 1. Front Cover
- 2. Table of Contents
- 3. Introduction
- 3.1. Safety Symbol and Signal Words
- 3.2. Contents and Use of this Manual
- 3.3. Machine Orientation
- 3.4. Proper Machine Use
- 3.5. Service and Registration
- 3.6. Component Identification Left Side
- 3.7. Component Identification Right Side
- 3.8. List of Attachments
- 3.9. Using Attachments
- 3.10. Manufacturer Information
- 3.11. Indicator and Operation Symbols
- 4. Safety
- 4.1. Safety Symbol and Signal Words
- 4.2. Mandatory Safety Shutdown Procedure
- 4.3. Before Operation Safety Reminders
- 4.4. Operation Safety Reminders
- 4.5. Applications with LoadHandling Devices
- 4.6. Suspended Load Safety Reminders
- 4.7. Parking the Machine
- 4.8. Electrical Energy
- 4.9. Maintenance and Service Safety Practices
- 4.10. Battery Hazards
- 4.11. Fire Hazards
- 4.12. Additional Safety Equipment
- 4.13. Crystalline Silica Exposure
- 4.14. Personnel Work Platform (PWP) System
- 4.15. Wireless Remote Bettery Replacement
- 4.16. Work Platform Design Requirements (Per ANSI/ITSDF B56.6 2016, Sec. 8.24)
- 4.17. Safety Decals
- 4.18. New Decal Application
- 5. Lubrication
- 5.1. General Information
- 5.2. Types of Lubricants and Capacities
- 5.3. Lubrication Points
- 5.4. Filter Table
- 6. Maintenance
- 6.1. Maintenance Schedule
- 6.2. Maintenance Interval
- 6.3. Grease Points
- 6.4. Engine Maintenance
- 6.5. Fuel System Maintenance
- 6.6. Diesel Exhaust System (DEF) Maintenance
- 6.7. Transmission Maintenance
- 6.8. Axle Maintenance
- 6.9. Transfer Case Oil
- 6.10. Hydraulic System Maintenance
- 6.11. Battery and Cable Maintenance
- 6.12. HVAC/Air Conditioning Maintenance
- 6.13. Check Instruments Operation
- 6.14. Check General Machine Operation and Condition
- 6.15. Check Personnel Work Platform (PWP) System (if used)
- 6.16. Storage
- 6.17. PWP System Operational Troubleshooting
- 7. POWERTRAIN
- 7.1. Engine
- 7.2. Transmission
- 7.3. Transfer Case Repair
- 7.4. Cooling Package
- 7.5. Rear Axle
- 7.6. Front Axle
- 8. HydraulicS
- 8.1. Frame Leveling Cylinder
- 8.2. Tilt Cylinder
- 8.3. Hydraulic Cylinder Repair
- 8.4. Stabilizer Cylinder
- 8.5. Stabilizer Cylinder Repair
- 8.6. Slave Cylinder
- 8.7. Lift Cylinder
- 8.8. Boom Extend Cylinder Four Section Boom
- 8.9. Boom Extend CylinderThree Section Boom
- 8.10. Hydraulic Pump
- 8.11. Hydraulic Control ValveMain
- 8.12. Hydraulic Testing and Adjustment Procedures
- 8.13. Hydraulic System Testing
- 8.14. Main Control Valve Pressure Relief Test and Adjustment
- 8.15. Joystick Control and Park Brake Pressure Test
- 8.16. Steering Circuit Pressure Test
- 9. HYDRAULIC Schematics
- 9.1. Hydraulic Schematic
- 9.2. Intentionally Blank
- 10. Electrical Schematics
- 10.1. Electrical Schematic (Continued on Next Page)
- 10.2. Electrical Schematics (Continued from Previous Page)
- 11. TELESCOPIC BOOM
- 11.1. Overview 4Section Boom
- 11.2. Boom Assembly Removal and Installation (4Section Boom)
- 11.3. t Intermediate Boom Section Removal and Installation (4Section Boom)
- 11.4. d Intermediate Boom Section Removal and Installation (4Section Boom)
- 11.5. Inner Boom Section Removal and Installation (4Section Boom)
- 11.6. Boom Hydraulic Hose and Tube Replacement (4Section Boom)
- 11.7. Boom Pad Overview (4Section Boom)
- 11.8. Boom Pad Replacement (4Section Boom)
- 11.9. t Intermediate Boom
- 11.10. d Intermediate Boom Rear Pad Replacement
- 11.11. d Intermediate Boom Front Pad Replacement
- 11.12. Inner Boom
- 11.13. Overview Boom Chain and Rollers (4Section Boom)
- 11.14. Inner Boom Top Chain and Roller Replacement (4Section Boom)
- 11.15. Bottom Inner Boom Chain and Roller Replacement (4Section Boom)
- 11.16. d Intermediate Boom Chain and Roller Replacement (4Section Boom)
- 11.17. Outer Boom Chain and Roller Replacement (4Section Boom)
- 11.18. Boom Chain Adjustment (4Section Boom)
- 11.19. Three Section Boom
- 11.20. Leaf Chain Adjustment and Maintenance (3Section Boom)
- 11.21. Inner Boom Removal and Installation (3Section Boom)
- 11.22. Extend Cylinder (3Section Boom)
- 11.23. Double Chain and Roller Bearing Replacement (3Section Boom)
- 11.24. Single Chain and Roller Bearing Replacement (3Section Boom)
- 11.25. Intermediate Boom Section Removal and Installation (3Section Boom)
- 11.26. Boom Pad Replacement (3Section Boom)
- 12. SPECIFICATION
- 12.1. Machine Configuations
- 12.2. Lifting Performance
- 12.3. Loader Performance
- 12.4. General Dimensions
- 12.5. MultiFunctional Display
- 12.6. Steering System
- 12.7. Braking System
- 12.8. Electrical System
- 12.9. Service Capacities (All Models)
- 12.10. Transmission Type (All Models)
- 12.11. Axles (Front and Rear) (All Models)
- 12.12. Drive Train (All Models)
- 12.13. Operators Station
- 12.14. Index
- 13. Torque Specifications








