New Holland TC54, TC56, AL59 Combine Service Manual
TABLE OF CONTENTS (Repair Manual)
GENERAL INFORMATION
ENGINE . 10
TRANSMISSION. 21
FRONT MECHANICAL DRIVE . 25
HYDROSTATIC TRANSMISSION . 29
Brakes and controls. 33
HYDRAULIC SYSTEMS. 35
STEERING. 41
Cab climate control. 50
ELECTRICAL SYSTEM. 55
PRODUCT FEEDING. 60
THRESHING. 66
SEPARATION. 72
CLEANING. 74
GRAIN STORAGE. 80
Platform, cab, bodywork, and decals. 90
New Holland TC54, TC56, and AL59 Combine Service Manual – Complete Technical Overview ✅
The New Holland TC54, TC56, and AL59 Combine Service Manual is a detailed technical guide for professional mechanics and technicians responsible for maintaining and repairing these combine harvester models. This manual provides complete service instructions, system diagnostics, and technical specifications to ensure peak performance and minimal downtime during harvesting operations.
✅ General Information
– Safety precautions and warnings
– Model identification and serial number location
– Technical data and machine specifications
– Service intervals and maintenance schedule
✅ Engine Service
– Engine removal and installation procedures
– Fuel system inspection and adjustment
– Cooling system components and flushing
– Exhaust system and turbocharger servicing
✅ Transmission & Drive Systems
– Gearbox inspection and servicing
– Hydrostatic drive troubleshooting
– Final drive assembly maintenance
– Belt tensioning and chain adjustments
✅ Hydraulic System
– Hydraulic pump and valve servicing
– Steering and braking hydraulics
– Pressure testing and leak detection
– Hydraulic filters, lines, and tank servicing
✅ Electrical System
– Complete wiring diagrams
– Starter motor and alternator testing
– Battery charging and monitoring system
– Sensor and relay fault diagnostics
✅ Threshing & Separation System
– Drum and concave adjustments
– Beater and straw walker maintenance
– Wear part replacement procedures
– Separator housing servicing
✅ Grain Cleaning System
– Sieve and fan adjustment procedures
– Cleaning shoe and grain elevator maintenance
– Grain tank sensor and drive inspections
✅ Header and Feeder Housing
– Header drive components
– Feeder chain adjustment and replacement
– Reverser gearbox maintenance
– Height and tilt control system calibration
✅ Cab and Controls
– Operator panel and electronic monitor servicing
– Joystick and switch testing
– Air conditioning and heating unit repair
– Display calibration and warning light functions
✅ Troubleshooting and Diagnostics
– Fault code interpretation
– Mechanical and electrical fault tracing
– Symptom-based troubleshooting charts
✅ Technical Data and Torque Settings
– Bolt torque specifications
– Lubricant types and capacities
– Standard settings for adjustments
This New Holland TC54, TC56, and AL59 Combine Service Manual is the definitive guide for anyone involved in the repair or service of these machines. Whether in the shop or in the field, this manual ensures accurate diagnostics, efficient repairs, and optimal machine performance during every harvest.
