JD 4050 4250 4450 Technical Manual Tractor TM1353

Factory Technical Manual For John Deere 4050, 4250, 4450 Tractors. Illustrations, instructions, diagrams for Systems Diagnosis, Theory of Operation, Performance Testing, Tests and Adjustments, Operational Check, Unit Locations, Diagnostic Codes, Schematics and a lot of other useful information for service and repair remove and install, assembly and disassembly, inspection, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 1671
Bookmarks: Yes
Searchable: Yes
Number: TM1353

Model

John Deere

4050
4250
4450

Contents

—GENERAL
Predelivery, Delivery and After-Sale Services
Tune-up
Lubrication
—SEPARATION
Front Axle
Front-End
Front-End And Engine
Engine
Sound-Gard Body And
Roll-Gard Protective Structure
Power Shift Clutch Housing
Transmission
Final Drives
Hi-Crop Final Drives
-ENGINE
Acquire Access to Cylinder Head, Valves and Camshaft
Acquire Access to Cylinder Block, Liners. Pistons and Rods
Acquire Access to Crankshaft. Main Bearings and Flywheel
Acquire Access to Lubrication System Remove/install Cooling System
-FUEL AND AIR SYSTEM
Acquire Access to Air Intake System
Acquire Access to Diesel Fuel System
Speed Control Linkage
-ELECTRICAL
Harness Replacement
Connector Repair
Remove/Install Delco-Remy Charging Circuit
John Deere Charging Circuit Repair Starting Circuit Replacement Lighting Circuit Repair
Investigator Ii™ Warning System| And Digital Tachometer Repair
Gauge Cluster Instrumentation Repair Analog Tachometer Repair
Accessories Circuit Repair
—POWER TRAIN—PERMA CLUTCH TRANSMISSION
Remove/Install Clutch Oil Pressure
Valve Housing
Clutch Oil Pressure Regulating Valve Housing
Clutch Operating Piston Housing
PERMA CLUTCH
4050 and 4250 QUAD-RANGE Planetary
4450 QUAD-RANGE Planetary
Eight-Speed Transmission & Charge Pump
Shift Lever Assembly
PTO Gear Train (without MFWD)
PTO Gear Train (with MFWD)
Adjust PTO Clutch Rod
4050 (Trans. Serial No. -006643) Differential
4050 (Trans. Serial No. 006644- ), 4250 and 4450 Differential
Remove/Install Differential Lock Valve and Adjust Lock Valve Release Bar
Differential Lock Valve
Final Drive
Hi-Crop Final Drive
MFWD Gear Train and Clutch
Group 95—MFWD Axle
4050 (Trans. Serial No. -002724) Differential
4050 (Trans. Serial No. 002725- ), 4250 and 4450 Differential
Remove/Install Differential Lock Valve and Adjust Lock Valve Release Bar
Differential Lock Valve
Final Drive
Hi-Crop Final Drive
MFWD Gear Train
MFWD Clutch
MFWD Axle and Final Drive
—STEERING/BRAKES
Remove/Install Power Steering Components
Steering Column
Metering Pump
Steering Valve
Steering Motor
Dual Piston Steering Motor
Steering Assist Cylinders (MFWD)
Remove/Install Brake Valve and Brake Accumulator
Brake Valve
Brake Accumulator
Bleeding Brakes and Testing Brake Accumulator
Brake Pistons, Plates and Disks
-POWER TRAIN—POWERSHIFT TRANSMISSION
Remove/Install Traction Clutch Valve Housing
Traction Clutch Valve Housing
Remove/Install Transmission Control Valve Housing
Transmission Control Valves
Remove/Install Traction Clutch
Traction Clutch and Drive Shafts
Input Planetary
Reduction Gear Train
4050 and 4250 Output Planetary
4450 Output Planetary
Speed Selector Assembly
Charge Pump Assembly
PTO Gear Train with MFWD
PTO Gear Train without MFWD
Adjust PTO Clutch Rod
—HYDRAULICS
Remove/Install Main Hydraulic Pump
Oil Filter Relief Valve Housing (QRT)
Return Oil Filter Relief Valve Housing (PST)
Remove/Install Attenuator
Hydraulic Attenuator
Remove/Install HYDRACUSHIONED Seat Valve
Repair HYDRACUSHIONED Seat Valve Assembly
Pressure Control Valve
Remove/Install Rockshaft Components and Adjust Lift Assist Cylinders
Rockshaft Components
Lift-Assist Cylinders
Draft Sensing Components
Hitch Components
Remove/install SCV Coupler & Levers
SCV and ISO Coupler
Remote Cylinder
Hydraulic Oil Cooler and Thermal Bypass Valve
Transmission-Hydraulic System Cleanup Procedure
—MISCELLANEOUS
Rear Wheels
Front Axle
—OPERATOR STATION
Air Conditioning System
Air Conditioning System Service
Heating System
Seat
—MISCELLANEOUS OPTIONS
Auxiliary Lighting and Electrical Components
Digital Tachometer Ground Speeds
Auxiliary Trailer Brake
Secondary Brake
Minor Options
Auxiliary Steering System
—SPECIAL TOOLS

What you get

You will receive a PDF file with a high-quality manual on your email immediately after the payment.