John Deere R4045
John Deere R4045 Self-Propelled Sprayer Repair Manual
TM116119
This manual is a comprehensive, system-by-system guide for diagnosis, repair, and maintenance. The contents are logically organized by major machine systems, following typical technician workflow.
Complete Sectional Breakdown of TM116119
Introduction & General Information
- Manual Identification & How to Use
- General Specifications (Model Overview, Dimensions, Weights)
- Serial Number Locations
- Safety and Product Care Instructions (Safety Alert Symbols, Preparation for Service)
Chapter 1: Engine (John Deere 4045 or equivalent)
- Subsections: Engine Identification, Removal and Installation.
- Major Components: Cylinder Head, Valve Gear, Cylinder Block, Crankshaft, Pistons and Rings, Lubrication System, Cooling System (Fan, Radiator, Water Pump), Fuel System (Injection Pump, Injectors, Filters), Air Induction and Exhaust Systems (Turbocharger, Intercooler).
- Technical Data: Torque Specifications, Firing Order, Valve Clearance, Compression Pressure.
Chapter 2: Power Train
- Subsections: Clutch, Transmission (Hydrostatic Drive), Axles (Front and Rear), Final Drives, Brakes (Service and Parking), Drive Shafts.
- Focus: Testing and adjusting transmission hydraulic pressure, axle removal, brake disc service.
Chapter 3: Hydraulic System
- Subsections: Hydraulic Schematic, Hydraulic Pump, Control Valves, Priority Valves, Cylinders (Boom Lift, Steering), Hydraulic Motors (Spray Pump, Fan), Filter Service, Testing and Pressures.
- Critical Data: Pressure test points and specifications for steering, boom, and charge circuits.
John Deere R4045 Self-Propelled Sprayer Repair Manual (TM116119)
Chapter 4: Spray System (Liquid System)
- Core of the Sprayer Manual. Includes:
- Tank: Cleaning, valves, and strainers.
- Pumps: Primary spray pump (e.g., diaphragm) service.
- Boom: Section valves, nozzles, height control, and fold/unfold mechanisms.
- Control & Regulation: Flow control valves, pressure regulators, rate controllers, and Ag-GPS/ISOBUS interface for section control.
- In-line Components: Filters, screens, and sight gauges.
Chapter 5: Electrical System
- Subsections: Wiring Diagrams (complete schematic), Harness Routing, Ground Locations.
- Component Service: Battery, Starting Motor, Alternator, Sensors (Speed, Pressure, Level).
- Cab & Operator Station: Instrument Cluster, Switches, Controllers (John Deere StarFire, Rate Controller).
- Troubleshooting Guides: Diagnostic codes, step-by-step electrical tests.