Part of the Case IH Repair Manuals.
All 1,462 pages of this Case IH Patriot 4420 Service Manual (OEM #84190697) are dedicated to one machine: the Patriot 4420 self-propelled sprayer, from engine block to boom tips. Inside, you get complete electrical schematics split by serial number, covering cab, frame, and application circuits for both Y9T024764-and-higher and Y9T024763-and-lower builds, plus the full hydraulic schematic. Open to a thorough troubleshooting section, error code tables, torque specs for U.S. hardware, metric hardware, and steel hydraulic fittings, and step-by-step procedures for the Aim Command system, liquid plumbing, hydrostatic pumps, and steering cylinder. Fill the engine to 21.8 L after a filter change, load a 950 CCA battery, and confirm spray pressure holds 344.74 kPa (50 PSI) before your pump flags a fault. Your machine is down at the worst possible time. Bookmarked by system, searchable by keyword: grab your tablet, walk to the cab, and start diagnosing.
What's Inside This Case IH PATRIOT 4420 Manual
| System | Pages | Key Topics |
|---|---|---|
| General, Engine, Electrical | 23-373 | Standard Torque Specifications, Engine Removal and Installation, Air Induction System, Fuel System, Electrical System, Battery Servicing and Testing |
| Steering and Hydraulics | 374-732 | Steering Pump, Hydraulic System Troubleshooting, Hydrostatic Pumps, Wheel Motor, Parking Brake System, Steering Cylinder |
| Air Conditioning, Chassis | 733-1092 | Air Conditioning System Service, A/C Compressor, Thermal Expansion Valve, Radiator, Coolers and Condenser, Wheels, Hubs and Suspension, Brakes |
| Booms, Controls, Spray System | 1093-1324 | Booms, Aim Command, Liquid Plumbing System, Product Tank and Rinse Tank, Product Pump, Spray Bar |
| Cab, Engine, & Frame Electrical Schematic for Serial Number Y9T024764 and Higher | 1325-1364 | Cab, Engine, Frame, Electrical Schematic, Patriot 4420, Fuses, Relays, Batteries |
| Cab, Engine, & Frame Electrical Schematic for Serial Number Y9T024763 and Lower | 1365-1405 | Batteries, Starter / Alternator, Supply Circuits FP1, Supply Circuits FP2, Ignition / Brake, Park Brake / Backup Alarm, ICU2 Display, Fuel / Air Rstr / Cab PSI |
| 84202156 - Hydraulics Schematic | 1406-1407 | Liquid Spray, Active Suspension, Ladder Fold, Auto Steer Option |
| Application Electrical Schematic for Serial Numbers Y9T024764 and Higher | 1408-1437 | Fuse/relay Location, Interface Cab/application, Hydrostat Handle, RH Boom Functions, LH Boom Functions, Auto Center Pwr / Neutral, Boom/park Brake/axle Cntrl, Foam Marker |
| Application Electrical Schematic for Serial Numbers Y9T024763 and Lower | 1438-1462 | Fuse Table, Table of Relays, Component Location Chart, Fuse/relay Location, Interface Cab/application, Hydrostat Handle, RH Boom Functions, LH Boom Functions |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Pressure not reaching target | 344.74 kPa (50 PSI) | p. 1205 |
| Pressure fluctuation threshold for tuning | more than 34.45 kPa (5 PSI) above and below the pressure set point | p. 1202 |
| Engine Oil Capacity - With Filter Change | 21.8 L (23 qt.) | p. 82 |
| Fuel Tank Capacity | 530 L (140 Gal.) | p. 82 |
| Battery Rating | 950 CCA at -17oC (0oF) | p. 82 |
| Hydrostatic Pump Charge Pressure | 24.8 to 26.2 bar (360 to 380 PSIG) | p. 83 |
| Product Pump Circuit Relief Valve Setting | 172.4 bar (2500 PSI) | p. 83 |
| Maximum Operating Weight | 16.7 kg (36,900 lbs.) | p. 85 |
| Wheel Lug Nuts Torque | 608 to 675 Nm (450 to 500 ft.-lb.) | p. 1014 |
| Compressor Belt Tension (New Belt) | 422 to 516 N (95 to 115 lb.) | p. 79 |
| Steering Wheel Nut Torque | 45 to 54 Nm (33 to 40 ft.-lb.) | p. 392 |
| Engine Motor Mount Bolts Torque | 485 to 515 Nm (360 to 380 ft.-lb.) | p. 102 |
