New Holland 1520 Tractor - Service Manual
Product Description
This is the complete service manual for the New Holland 1520 tractor.
This is the same manual that the repair shops use! It contains hundreds of pictures and diagrams containing all the information you need to repair and troubleshoot your New Holland tractor.
Covers All Years and Serial Numbers - Other websites sell manuals that are incomplete or only cover a specific year of the machine. This manual is guaranteed to be complete and to cover your machine's model year and serial number.
Table of Contents
Part One - Engine Systems
Engine and Lubrication System
- Description and Operation
- Engine Overhaul
Cooling System
- Descritpion and Operation
- Overhaul
Troubleshooting Specifications and Special Tools
- Troubleshooting
- Specifications
- Special Tools
- Compression Test and Tools
Part Two - Fuel System
Injection Pump
- Description and Operation
- Removal and Installation
- Timing and Governor Adjustments
Injectors
- Description and Operation
- Removal and Installation
- Overhaul
Troubleshooting, Specifications and Special Tools
- Troubleshooting
- Specifications
- Special Tools
- Fuel Injection Pump Specifications
Part 3 - Electrical System
Wiring, Switches, Glow Plugs, and Instrumentation
- Description and Operation
- Overhaul
Battery
- Description and Operation
- Maintenance and Tests
Starting Systems
- Starting System
- Starting Motor
- Neutral Start Switch
- Neutral Start Switch
- Key Start Switch
- Key Start Switch
Charging System
- Description and Operation
- Preliminary Checks and Electrical Tests
- Overhaul
Engine Fuel Stop Solenoid
- Description and Operation
- Overahaul
Troubleshooting and Specifications
- Troubleshooting
- Specifications
Part 4 - Clutches
Single Clutch
- Description and Operation
- Adjustment
- Overhaul
Double Clutch
- Description and Operation
- Adjustment
- Overhaul
Servicing Clutch Related Components
- Clutch Pilot Bearing - Description and Overhaul
- Clutch Release Bearing - Description and Overhaul
- Clutch Linkage Components - Overhaul
Troubleshooting and Specifications
- Troubleshooting
- Specifications
- Special Tools
Part 5 - Transmission Systems
9x3 Gear Transmission
- Description and Overhaul
- Overhaul
- Shift Levers
Hydrostatic Transmission
- Description and Overhaul
- Overhaul
- Troubleshooting and Adjustments
Hydrostatic Transmission - Control Linkage
- Description and Adjustments
Non-synchromesh 12 x 4 Gear Transmission
- Description and Overhaul
- Overhaul
- Shift Lever
Sychromesh 12x12 Shuttle Transmission
- Description and Overhaul
- Overhaul
- Shift Linkage
Creeper Gear Option
- Description and Operation
- Overhaul
Troubleshooting and Specifications
- Troubleshooting
- Specifications
Part 6 - Power Take-Off Systems
Power Take-Off Systems
- Transmission Drive Power Take-Off
- Live Power Take-Off
- Power Take-Off Drive
- Power Take-Off
Mid-Mount Power Take-Off Model
- Description and Operation
- Overhaul
Power Take-Off Systems
- Transmission Drive Power Take-Off
- Live Power Take-Off
- Power Take-Off System
Specifications
- Specifications
Part 7 - Differential, Rear Axle and Brakes
Differential, Rear Axle and Brakes
- Description and Operation
- Overhaul
Specifications
- Specifications
Part 8 - Hydraulic System
Hydraulic System Circuits
- Description and Operation
- Overhaul
- Adjustments
Hydraulic Pump and Filter
- Description and Operation
- Overhaul
Remote Valve
- Description and Operation
- Overhaul
Troubleshooting, Pressure Testing, Specifications and Special Tools
- Troubleshooting
- Pressure testing
- Specifications
- Special Tools
Part 9 - Steering Systems
Power Steering System
- Description and Operation
- Overhaul
Troubleshooting, Testing, and Specifications
- Troubleshooting
- Testing
- Specifications
- Special Tools
Part 10 - Front Axle and related Parts
Front Axle and Related Parts - Two Wheel Drive
- Description and Operation
- Overhaul
Front Axle and Related Parts - Four Wheel Drive
- Description and Operation
- Overhaul
Troubleshooting and Description
- Troubleshooting
- Specifciations
Part 11 - Wheels and Tires
Wheels and Tires
- Tread Setting
- Weight Limitations
- Lug Nut Torque
Part 12 - Separating the Tractor
Separating the Tractor
- Front Axle Removal
- Separating the Tractor Between the Front Axle Support and Engine
- Separating the Tractor Between the Engine and Transmission Clutch Housing
- Transmission Removal and Installation
- Rear Axle and Center Housing Removal and Installation
- Rear Axle Housing Removal and Installation
Specifications
- Specifications
Manual Details
Pages: 590
Years and Serial Numbers: Covers all years and serial numbers
Models: 1520
Make: New Holland
Manual Code: NEW-HOLLAND-030
Manual Type: Service Manual/ Technical Manual/ Workshop Manual
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