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Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3
Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3 - Image 2
Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3 - Image 3
Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3 - Image 4
Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3 - Image 5
caterpillar nr12 14n3lc nr16 20n3 nr16 25n3hx nrm20 25n3 ntd13 15n3 service manual sm21gbre1ac3 2
caterpillar nr12 14n3lc nr16 20n3 nr16 25n3hx nrm20 25n3 ntd13 15n3 service manual sm21gbre1ac3 3
caterpillar nr12 14n3lc nr16 20n3 nr16 25n3hx nrm20 25n3 ntd13 15n3 service manual sm21gbre1ac3 4
caterpillar nr12 14n3lc nr16 20n3 nr16 25n3hx nrm20 25n3 ntd13 15n3 service manual sm21gbre1ac3 5

Caterpillar NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3 Service Manual SM21GBRE1AC3

$50.00

  • Type Of Manual: Service Manual
  • Manual ID: SM21GBRE1AC3
  • Number of Pages: 474
  • Size: 15.6MB
  • Format: PDF
Category:
  • Model List:

    • NR12-14N3(L)(C), NR16-20N3, NR16-25N3H(X), NRM20-25N3, NTD13-15N3
  • 1. sm21gbre1ac3-1
  • 1.1. GENERAL INFORMATION AND TECHNICAL DATA
  • 1.1.1. Introduction
  • 1.1.1.1. General
  • 1.1.1.2. The trucks
  • 1.1.1.3. Genuine Parts
  • 1.1.1.4. Authorised service personnel
  • 1.1.1.5. Symbol key
  • 1.1.2. Safety
  • 1.1.2.1. General
  • 1.1.2.2. Safety instructions
  • 1.1.2.3. Truck modification
  • 1.1.2.4. Lifting the truck
  • 1.1.2.5. Towing/moving non-powered NRM20-25N3
  • 1.1.2.6. Welding on truck
  • 1.1.3. Environmental considerations
  • 1.1.3.1. We respect the environment
  • 1.1.4. Preparations
  • 1.1.4.1. Service
  • 1.1.4.2. Troubleshooting
  • 1.1.5. Truck data
  • 1.1.5.1. Machine plates
  • 1.1.5.2. Type designation
  • 1.1.5.3. Truck types
  • 1.1.6. Component specification
  • 1.1.6.1. Drive motor
  • 1.1.6.2. Electric brake
  • 1.1.6.3. Gearbox
  • 1.1.6.4. Hydraulic unit
  • 1.1.6.5. Control system for traction and pump motors
  • 1.1.6.6. Steering servo motor
  • 1.1.6.7. Controller system for steering
  • 1.1.7. Recommended consumable materials
  • 1.1.7.1. Oil and grease types
  • 1.1.8. Standards and abbreviations
  • 1.1.8.1. General
  • 1.1.8.2. Screw types and tensile grades
  • 1.1.8.3. Tightening torques for screws and nuts
  • 1.1.8.4. Tightening torque for hydraulic couplings
  • 1.1.8.5. Tightening torque for banjo screws with rubber-steel washer
  • 1.1.8.6. Tightening torque, conversion table
  • 1.1.9. Code explanations
  • 1.1.9.1. Colour codes for wiring diagrams
  • 1.1.9.2. Designations for electrical components in electrical diagram
  • 1.1.9.3. Standard abbreviations and units
  • 1.1.9.4. Acronyms and abbreviations
  • 1.2. SPECIAL TOOLS
  • 1.2.1. List of tools
  • 1.3. SERVICE
  • 1.3.1. Service inspection
  • 1.3.1.1. Daily/Weekly inspection
  • 1.3.1.2. General
  • 1.3.1.3. First service (200 hours)
  • 1.3.1.4. Service intervals
  • 1.3.1.5. Verification of safety functions
  • 1.3.1.6. Check list
  • 1.3.2. Lubrication
  • 1.3.2.1. Symbol key lubrication chart
  • 1.3.2.2. Lubrication chart NR12-14N3(L)(C) / NR16-20N3 / NR16-25N3H(X)
  • 1.3.2.3. Lubrication chart NRM20-25N3
  • 1.3.2.4. Lubrication chart NTD13-15N3
  • 1.3.2.5. Tri-lateral head maintenance schedule
  • 1.3.2.6. Cab lubrication schematic diagram (option)
  • 1.4. CHASSIS
  • 1.4.1. Design and function
  • 1.4.1.1. Chassis frame
  • 1.4.1.2. Machine housing
  • 1.4.1.3. Overhead guard
  • 1.4.1.4. Battery locking
  • 1.4.1.5. Armrest and steering wheel
  • 1.4.1.6. Foot plate
  • 1.4.1.7. Covers and panels
  • 1.4.1.8. Tightening torque for chassis plates
  • 1.4.2. Repair and maintenance instructions
  • 1.4.2.1. Panels
  • 1.4.2.2. Load wheels
  • 1.4.2.3. Machine housing
  • 1.4.2.4. Adjusting the stabilising lugs (NR16-25N3H(X))
  • 1.4.2.5. Driver seat
  • 1.4.2.6. Overhead guard
  • 1.4.2.7. Batteries
  • 1.4.2.8. Battery rollers
  • 1.4.2.9. Adjustable armrest
  • 1.4.2.10. Fitting the antistatic chain
  • 1.5. DRIVE UNIT
  • 1.5.1. Design and function
  • 1.5.1.1. Drive motor
  • 1.5.1.2. Gearbox
  • 1.5.2. Repair and maintenance instructions
  • 1.5.2.1. Before work is performed
  • 1.5.2.2. Drive unit
  • 1.5.2.3. Traction motor
  • 1.5.2.4. Removal and installation of the traction motor
  • 1.5.2.5. First service
  • 1.5.2.6. Preventive maintenance
  • 1.5.2.7. Reconditioning the traction motor
  • 1.5.2.8. Gearbox
  • 1.5.2.9. Drive wheel
  • 1.5.3. Diagnostics and troubleshooting
  • 1.5.3.1. Troubleshooting chart
  • 1.6. MAST SYSTEM
  • 1.6.1. Design and function
  • 1.6.1.1. Mast system
  • 1.6.1.2. Fork carriage
  • 1.6.2. Repair and maintenance instructions
  • 1.6.3. Lift cylinders
  • 1.6.3.1. Adjustment of the cylinder attachments in the mast
  • 1.6.4. Lift chains
  • 1.6.4.1. Checking the lift chains
  • 1.6.4.2. Adjusting the lift chains
  • 1.6.4.3. Routine periodic maintenance
  • 1.6.4.4. Mounting chains
  • 1.6.5. Reach carriage
  • 1.6.5.1. Removal and installation of the mast with carriage
  • 1.6.5.2. Adjusting the reach carriage
  • 1.6.6. Fork carriage
  • 1.6.6.1. Removal and installation of the fork carriage
  • 1.6.6.2. Adjusting the fork carriage
  • 1.6.6.3. Inspection and adjustment of the rubber shock absorbers on the forklift, NTD13-15N3
  • 1.6.6.4. Inspection of forged forks
  • 1.6.7. Side shift unit of hanging type
  • 1.6.7.1. Preventive maintenance
  • 1.6.7.2. Check of cylinders
  • 1.6.8. Integrated side shift unit (ISS)
  • 1.6.8.1. Preventive maintenance
  • 1.6.8.2. Removal and installation of the unit (ISS)
  • 1.6.8.3. Removing the sliding pads
  • 1.6.8.4. Dismantling the cylinder
  • 1.6.9. Integral Fork positioner/sideshift, NR12-14N3(L)(C), NR16-20N3, NR16N3H, NR20N3H
  • 1.6.9.1. General
  • 1.6.9.2. Dismantling and fitting the forks
  • 1.6.9.3. Replacing the bushings
  • 1.6.9.4. Replacing the slide plate
  • 1.6.9.5. Dismounting the hydraulic cylinder
  • 1.6.9.6. Repacking the hydraulic cylinder
  • 1.6.9.7. Cleaning the flow divider
  • 1.6.10. Integral Fork positioner/sideshift, NR25N3H
  • 1.6.10.1. General
  • 1.6.10.2. Dismantling and fitting the forks
  • 1.6.10.3. Replacing the bushings
  • 1.6.10.4. Replacing the fork support rollers
  • 1.6.10.5. Dismounting the hydraulic cylinder
  • 1.6.10.6. Repacking the hydraulic cylinder
  • 1.6.10.7. Cleaning the flow divider
  • 1.6.11. Hydraulic fork spreading, NRM20-25N3
  • 1.6.11.1. General
  • 1.6.11.2. Lifting the unit.
  • 1.6.11.3. Adjusting the fork angle, NRM20-25N3
  • 1.6.11.4. Maintenance
  • 1.6.12. Swivel forks unit (NTD13-15N3)
  • 1.6.12.1. General
  • 1.6.12.2. Safety instructions
  • 1.6.12.3. Machine plate
  • 1.6.12.4. Lifting the tri-lateral head
  • 1.6.12.5. Installing the swivel forks unit
  • 1.6.12.6. Removing the swivel forks unit
  • 1.6.12.7. Maintenance
  • 1.6.12.8. Trouble shooting
  • 1.6.13. Diagnostics and trouble shooting
  • 1.6.13.1. Troubleshooting chart (Triplex with free lift, Duplex)
  • 1.6.13.2. Troubleshooting chart for the side shift unit of hanging type (Duplex)
  • 1.6.13.3. Troubleshooting chart for the integrated side shift unit (ISS) (Triplex with free lift)
  • 1.6.13.4. Troubleshooting chart for Integral Fork positioner/sideshift, (Triplex with free lift)
  • 1.6.13.5. Fault-finding chart for fork spreaders (NRM20-25N3)
  • 1.7. STEERING
  • 1.7.1. Design and function
  • 1.7.1.1. General
  • 1.7.1.2. Steering
  • 1.7.1.3. Steering servo motor controller
  • 1.7.2. Repair and maintenance instructions
  • 1.7.2.1. Steering wheel
  • 1.7.2.2. Steering servo motor
  • 1.7.2.3. Settings, adjustments and testing
  • 1.7.2.4. Options
  • 1.7.3. Diagnostics and troubleshooting
  • 1.7.3.1. Troubleshooting chart
  • 1.8. HYDRAULIC SYSTEM
  • 1.8.1. Design and function
  • 1.8.1.1. Description
  • 1.8.1.2. Hose rupture valve
  • 1.8.1.3. Electric proportional valve
  • 1.8.1.4. Electric solenoid valve
  • 1.8.1.5. MTC (Mast Tilt Control)
  • 1.8.1.6. Hydraulic diagram
  • 1.8.2. Maintenance and repair instructions
  • 1.8.2.1. General rules
  • 1.8.2.2. Installation
  • 1.8.2.3. Connections
  • 1.8.2.4. Dismantling and assembling hydraulic hoses
  • 1.8.2.5. Pump motor
  • 1.8.2.6. Hydraulic oil tank
  • 1.8.2.7. MTC (Mast Tilt Control)
  • 1.8.3. Control valve
  • 1.8.3.1. Operation of the control valve
  • 1.8.3.2. Control valve overview
  • 1.8.3.3. Removal and installation of the control valve
  • 1.8.3.4. Adjusting the working pressure
  • 1.8.3.5. Inspection and adjustment of the lowering rate
  • 1.8.3.6. Calibrating the hydraulic functions
  • 1.8.3.7. S3 valve
  • 1.8.3.8. Emergency lowering valve
  • 1.8.3.9. Hose rupture valve
  • 1.8.4. Control valve (NTD13-15N3)
  • 1.8.4.1. Operation of the control valve
  • 1.8.4.2. Control valve overview
  • 1.8.4.3. Removal and installation of the control valve
  • 1.8.4.4. Adjusting the working pressure
  • 1.8.4.5. Inspection and adjustment of the lowering rate
  • 1.8.5. Diagnostics and troubleshooting
  • 1.8.5.1. Troubleshooting the hydraulic system
  • 1.8.5.2. Troubleshooting chart
  • 1.8.5.3. Troubleshooting the control valve
  • 1.8.5.4. Troubleshooting, sensors S21 and S22
  • 1.9. HYDRAULIC CYLINDERS
  • 1.9.1. Design and function
  • 1.9.1.1. Mast shift cylinder
  • 1.9.1.2. Tilt cylinder
  • 1.9.1.3. Free lift cylinder
  • 1.9.1.4. Final stroke cylinder
  • 1.9.2. Repair and maintenance instructions
  • 1.9.2.1. General
  • 1.9.2.2. Reach cylinder
  • 1.9.2.3. Tilt cylinder
  • 1.9.2.4. Free lift cylinder
  • 1.9.2.5. Final stroke cylinder
  • 1.9.2.6. Removal and installation of the gasket in the hydraulic cylinder
  • 1.10. ELECTRICAL SYSTEM
  • 1.10.1. Introduction
  • 1.10.1.1. Description of components
  • 1.10.2. Safety
  • 1.10.2.1. Safety instructions
  • 1.10.2.2. Electronic controllers
  • 1.10.2.3. Safety checks
  • 1.10.2.4. Steering servo system
  • 1.10.2.5. Traction system
  • 1.10.2.6. Hydraulic system
  • 1.10.3. Design and function
  • 1.10.3.1. Battery
  • 1.10.3.2. Battery capacity measurement
  • 1.10.3.3. Battery parameters
  • 1.10.3.4. Truck computer ATC
  • 1.10.4. Repair and maintenance instructions
  • 1.10.4.1. Traction and pump regulation
  • 1.10.4.2. Insulation resistance
  • 1.10.4.3. Temperature measurement and management
  • 1.10.4.4. System for detecting the carriage position
  • 1.10.4.5. Electrical monitoring of battery locking
  • 1.10.5. Diagnostics and troubleshooting
  • 1.10.5.1. Troubleshooting of the hydraulic functions, channels 3, 4 and 5
  • 1.10.5.2. Troubleshooting of the hydraulic functions, channels 1, 2 and 3
  • 1.10.5.3. General instructions for all types of faults in combination with a loss of voltage
  • 1.10.5.4. Truck computer ATC
  • 1.10.5.5. ATC error codes
  • 1.10.5.6. ATC, warnings
  • 1.10.5.7. Troubleshooting – operational disturbances
  • 1.10.5.8. Troubleshooting table – battery
  • 1.10.5.9. Enclosure
  • 1.11. SPEED CONTROL AND BRAKE SYSTEMS
  • 1.11.1. Design and function
  • 1.11.1.1. Electric brake
  • 1.11.1.2. Speed and brake sensor
  • 1.11.1.3. Hill hold
  • 1.11.2. Repair and maintenance instructions
  • 1.11.2.1. Electric brakes
  • 1.11.2.2. Brake Pedal Assembly
  • 1.11.2.3. Left-foot switch
  • 1.11.2.4. Speed Controller
  • 1.11.3. Diagnostics and troubleshooting
  • 1.11.3.1. Brake troubleshooting
  • 1.12. MISCELLANEOUS
  • 1.12.1. Level selector and height indication
  • 1.12.1.1. Pulse height preset
  • 1.12.1.2. Level Assistance System, LAS
  • 1.12.1.3. Height indication on the display
  • 1.12.1.4. Settings for height system
  • 1.12.1.5. Checking the fork offset
  • 1.12.2. Example of use
  • 1.12.2.1. Ex.1 Collecting a load
  • 1.12.2.2. Ex.2 Just logged on
  • 1.12.2.3. Ex.3 Placing the load
  • 1.12.3. Stability Support System, S3-1
  • 1.12.3.1. Identification
  • 1.12.3.2. Functionality, S3-1
  • 1.12.3.3. Drive Speed
  • 1.12.3.4. Hydraulic functions
  • 1.12.3.5. Technical description
  • 1.12.4. Smart card
  • 1.12.5. Weight system
  • 1.12.5.1. Introduction
  • 1.12.5.2. Accompanying hardware
  • 1.12.5.3. S3-2 Speed and weight alternatives
  • 1.12.5.4. Weight indication
  • 1.12.5.5. Side effects, Weight system
  • 1.12.5.6. Calibrating the Weight system
  • 1.12.5.7. Diagnostics menu
  • 1.12.6. Rail guided steering
  • 1.12.6.1. General
  • 1.12.6.2. Installation
  • 1.12.6.3. Dismantling and fitting the rail guide wheel
  • 1.12.6.4. Adjusting the sensor
  • 1.12.6.5. Straight driving mode, audible and light signals
  • 1.12.6.6. Speed limits
  • 1.12.6.7. Adjusting max. speed
  • 1.12.7. Wire guidance
  • 1.12.7.1. Wire guidance antenna
  • 1.12.7.2. Fitting/removing antennae for wire guidance
  • 1.12.7.3. Setting the wire guidance.
  • 1.12.7.4. Calibrating wire guidance.
  • 1.12.7.5. Manual calibration of wire guidance.
  • 1.12.7.6. Troubleshooting for wire guidance
  • 1.12.8. End of Aisle magnetic system
  • 1.12.8.1. Introduction to End of Aisle magnetic system
  • 1.12.8.2. Installation of End of Aisle magnetic system
  • 1.12.8.3. End of Aisle magnetic system settings
  • 1.12.8.4. End of Aisle magnetic system troubleshooting
  • 1.12.9. Collision sensor
  • 1.12.10. Service indication
  • 1.12.11. Trucks equipped with restart
  • 1.12.12. Hand-controlled direction selector
  • 1.12.13. Side shift and tilt centring
  • 1.12.14. Speed reduction
  • 1.12.15. Automatic logging off
  • 1.12.16. Buzzer when the battery voltage is low
  • 1.12.17. Straddle leg monitor (NRM20-25N3)
  • 1.12.18. Load wheel covers
  • 1.12.18.1. Installation of load wheel covers
  • 1.12.19. Delivery mode
  • 1.12.19.1. Activate delivery mode
  • 1.12.19.2. Disable delivery mode
  • 1.12.20. Options
  • 1.12.20.1. General
  • 1.12.20.2. Cold storage cab
  • 1.12.20.3. Battery on motor-powered rollers
  • 1.12.20.4. Levers
  • 1.12.20.5. Electrically heated drivers seat (option)
  • 2. sm21gbre1ac3-2
  • 3. sm21gbre1ac3-3
  • 4. sm21gbre1ac3-4
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