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Part of the John Deere Repair Manuals.
This is the complete John Deere factory repair manual (TM2070) for the 7220, 7320, 7420 and 7520 two-wheel-drive tractors. Across 2,476 pages it covers everything from pulling and rebuilding the PowerTech diesel to servicing the PowrQuad Plus and AutoPowr/IVT transmissions, tracing the full electrical system with wiring harnesses, and overhauling the hydraulic pumps, valves and rockshaft. Model-specific differences between the 7220/7320 and 7420/7520 are split into parallel sections throughout, so you work from the procedure that matches your serial number. Engine speeds, torque values and pressure test specs are printed at the point of use, not buried in an appendix.
Complete the set for your 7220-7520
- Operation & Tests: John Deere 7220, 7320, 7420 and 7520 Tractor Diagnosis and Tests Manual
What's Inside This John Deere 7220-7520 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | Specifications, Tune-Up, Inspection Before Delivery | |
| Engine | Installing and Removing Components | |
| Fuel, Air Intake, Heating, Exhaust System | Speed Control, Fuel System, Air Intake System, Heating System, Cold-Weather Starting Aid, Exhaust System | |
| Electrical Equipment | Electrical Connectors, Wiring Harnesses, Charging Current Circuit, Starting Circuit Current, Fuses, Relays and Connectors, Monitoring Systems, Electrical Components | |
| AutoPowr/IVT Transmission (7420, 7520) | Removing and Installing AutoPowr/IVT Transmission, Transmission Shifting Mechanisms, Input Housing, Output Housing, Assembling Intermediate Shaft | |
| AutoPowr/IVT Transmission (7320) | Removing and Installing AutoPowr/IVT Transmission, Transmission Shift Controls, Input Housing, Output Housing, Assembling Differential Drive Shaft | |
| PowrQuad and PowrQuad Plus Transmissions (7420, 7520) | Install and Remove Components, Transmission Shifting Mechanisms, PowrQuad Module, Creeper Transmission, Range Transmission | |
| PowrQuad and PowrQuad Plus Transmissions (7220, 7320) | Removal and Installation of Components, Transmission Shift Controls, PowrQuad Module, Creeper Transmission, Option Transmission, Range Transmission | |
| Drive Systems (7420, 7520) | Removal and Installation of Components, Universal Joint Shaft and Torsion Damper, FWD Clutch, Differential, Hydraulic Pump Drive, Final Drives, Hi-Crop Final Drive (7420), Rear PTO | |
| Drive Systems (7220, 7320) | Removal and Installation of Components, U-Jointed Shafts and Torsion Damper, Front-Wheel Drive Clutch, Differential, Hydraulic Pump Drive, Final Drives, Rear PTO Options, Front PTO | |
| Steering and Brakes | Hydrostatic Steering, Brake Valve, Rear Wheel Brakes | |
| Hydraulic System | Control Elements, Hydraulic Pump and Charge Pump, Valves, Rockshaft (7420, 7520), Rockshaft (7220, 7320), Additional Control Units and Reception Couplings, Independent Control Valve | |
| Miscellaneous | Remove and Install Components, Main Frame (7420, 7520), Main Frame (7220, 7320), Front and Rear Wheels, Axle Suspension of TLS Front Wheel Drive Axle | |
| Operator's Cab | Installing and Removing Components, Controls and Instruments, Air Conditioning System, Heating System, Seats, Cab Suspension, Components of the Electronic Hitch Control | |
| Special Tools (Dealer-Fabricated) | Dealer-Fabricated Special Tools for Transmission and Drive System Service |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 7220, 7320 | ||
| Rated engine speed (7220, 7320) | 2300 rpm | |
| 7420, 7520 | ||
| Rated engine speed (7420, 7520) | 2100 rpm | |
| All models | ||
| Slow idle (above 20 degrees C / 68 degrees F) | 850 plus or minus 10 rpm | |
| Slow idle (0 to 20 degrees C / 32 to 68 degrees F) | 875 plus or minus 50 rpm | |
| Fast idle (electronic actuation) | 2460 rpm (-10/+20) | |
| Cooling system test pressure | 50 to 60 kPa (0.5 to 0.6 bar; 7 to 8.7 psi) | |
| Engine mounting screws torque | 100 Nm (74 lb-ft) | |
| Front engine supports to main frame cap screws torque | 95 Nm (70 lb-ft) | |
| Universal joint shaft to input flange cap screws torque | 135 Nm (100 lb-ft) | |
