Brakes:
Complete brake system service and repair
Clutch:
Clutch system inspection, adjustment, and repair
Cab:
Cab systems including HVAC, controls, and interior components
Cooling System:
Radiator, coolant, fan, thermostat, and related components
Diesel Fuel System:
Fuel injection system, pumps, injectors, filters, and troubleshooting
Differential Lock:
Operation, maintenance, and repair of the differential lock system
Electrical System:
Wiring diagrams, component testing, troubleshooting, and repairs
Engine:
Complete engine disassembly, assembly, overhaul, and tuning
Fenders Fuel Tank Platform:
Body components, fuel tank servicing, and platform maintenance
Final Drive:
Servicing and repair of the final drive assemblies
Front System:
Front end components, steering linkage, and associated systems
Front Wheel Drive:
FWD system maintenance, repair, and troubleshooting
Hydraulic System:
Hydraulic pump, valves, cylinders, hoses, and fluid maintenance
Main Drive Bevel Gears Differential:
Service and repair of drive gears and differential housing
Park Brake:
Parking brake mechanism inspection and service
Power Steering System:
Power steering pump, lines, and steering control unit service
Power Take Off:
PTO engagement, operation, and repair procedures
Rear Axle:
Rear axle assembly, bearings, and seals
Steering Gear:
Steering linkage, adjustments, and component replacement
Transmission:
Transmission overhaul, troubleshooting, and component replacement
Maintenance:
Routine maintenance, lubrication, fluid changes, and filter replacement
Troubleshooting:
Diagnostic procedures, fault finding, and corrective actions for common issues
Repair:
Step-by-step repair procedures for all covered systems, from minor adjustments to major component overhauls
Disassembly Assembly:
Complete disassembly and reassembly instructions for all major components and systems
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds
Detail Level:
Hundreds of photos and illustrations, detailed substeps, notes, cautions, and warnings for critical information
Electrical Detail:
Detailed troubleshooting and electrical service procedures combined with wiring diagrams
Maintenance Schedule:
Detailed service intervals for engine oil, transmission fluid, hydraulic fluid, filters, and other critical components are provided.
Engine Oil Spec:
Specific SAE viscosity grade and API service classification for engine oil will be detailed in the manual.
Hydraulic Fluid Spec:
Required hydraulic fluid type, viscosity, and specifications (e.g., Case IH Hy-Tran Plus or equivalent) are covered.
Transmission Fluid Spec:
Appropriate transmission fluid type and capacity for various transmission configurations will be specified.
Common Problems:
The manual's troubleshooting section will address common issues encountered with the 7120's various systems, such as transmission slippage, hydraulic leaks, or electrical faults.