Part of the John Deere Repair Manuals.
Running a 450J, 550J or 650J crawler dozer on a repair job puts you in TM10292, the John Deere 450J, 550J, 650J operation and test manual PDF, 714 pages of factory diagnostic and test data written for all three J-Series tractors. Diagnostic trouble codes open the book, walking the standard display monitor, electrohydraulic controller and blade joystick faults one code at a time. System diagrams and wiring schematics fill the electrical chapter, the longest in the book, tracing harness runs and connector pins the way the factory drew them, while hydraulic and hydrostatic theory, tests and adjustments close out the volume. Check the fuel level sender against 168 to 192 ohms at a full tank, or read transmission oil temperature at 3.3 to 3.8 kohms at 20 C (68 F). At two in the morning there is nobody to call. Bookmarked and text-searchable, yours to keep for as long as you own the machine.
What's Inside This John Deere 450J, 550J, 650J Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 7-18 | Safety (Recognize Safety Information, Follow Safety Instructions, Operate Only If Qualified) |
| Diagnostic Trouble Codes | 19-186 | Standard Display Monitor Diagnostic Trouble Codes, Electrohydraulic Controller Diagnostic Trouble Codes, Blade Control Joystick Diagnostic Trouble Codes |
| Operational Checkout Procedure | 187-202 | System Operational Checks |
| Engine | 203-220 | Theory of Operation, System Diagnostic Information |
| Electrical System | 221-500 | System Diagrams |
| Hydraulic System | 501-580 | Theory of Operation, Diagnostic Information, Adjustments, Tests |
| Hydrostatic System | 581-688 | Theory of Operation, Diagnostic Information, Tests |
| Heating and Air Conditioning | 689-714 | Theory of Operation, Diagnostic Information, Test |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuel Level Sensor (B10) Resistance | 168—192 ohms at 100% Fill (full), 129.5—150.5 ohms at 75% Fill, 96—114 ohms at 50% Fill, 67.5—82.5 ohms at 25% Fill, 4—16 ohms at 0% Fill (empty) | p. 27 |
| Transmission Oil Temperature Sensor (B17) Resistance | 90—108 kohms at -40°C (-40°F), 26—31 kohms at -20°C (-4°F), 8.7—10.2 kohms at 0°C (32°F), 3.3—3.8 kohms at 20°C (68°F), 1.4—1.6 kohms at 40°C (104°F), 648—708 ohms at 60°C (140°F), 317—350 ohms at 80°C (176°F), 170—186 ohms at 100°C (212°F), 97—105 ohms at 120°C (248°F) | p. 31 |
| Engine Speed Control Switch (R10) Resistance Between Pins A and C | 980—1020 ohms | p. 122 |
| Loaded Rotary-Type Pump Rated Pressure | 6.9 kPa, 0.069 bar, 1.0 psi | p. 215 |
| Fuel Level Sensor Resistance (100% Fill) | 168—192 ohms | p. 27 |
| Fuel Level Sensor Resistance (0% Fill) | 4—16 ohms | p. 27 |
| Transmission Oil Temperature Sensor Resistance (100°C) | 170—186 ohms | p. 31 |
| Pump Pressure Control Pilot (PCP) Rear Resistance | 20.7—25.3 ohm | p. 75 |
| Right Motor Shift Solenoid Resistance (20°C) | 6.9—12.7 ohms | p. 101 |
| Engine Slow Idle Speed | 875—925 rpm | p. 196 |
| Engine Fast Idle Speed | 2330—2360 rpm | p. 196 |
| Blade Raise Cycle Time (Typical New) | 2.4 seconds | p. 201 |
