Description

John Deere 4050 4250 4450 4650 and 4850 Tractors Technical Manual (TM1259)

John Deere 4050 4250 4450 4650 and 4850 Tractors INDEX:

SECTION 210—GENERAL
Introduction and Safety Information
SECTION 220—ENGlNE OPERATION
AND TESTS
Group 05—System Operation
Group IO—System Tests and Diagnosis
SECTION 230—FUEL/AlR OPERATION AND TESTS
Group 05—Air Intake System
Group IO—DieseI Fuel System
Group 15—Control Linkage
SECTION 240–ELECTRICAL SYSTEM
Group System Information
Group 06—Phase I Electrical Wiring Diagrams
Group 07—Phase II Electrical Wiring Diagrams
Group IO—EEectrical System Diagnosis
Group 15—Delcotron Charging Circuit
Group 16—-John Deere Charging Circuit
Group 20—Starting Circuit
Group 25—Lighting Circuit
Group SO—INVESTIGATOR”‘ il and Digital
Tachometer
Group 31—Gauge Cluster Instrumentation
Group 32—Analog Tachometer
Group 35—Accessories Circuit
Group 40—PERFORMANCE TRAOR I Radar
Sensor System (Tachometer Version)
Group 41—PERFORMANCE TRAKTM II Radar
Sensor System (Mini-Monitor)
Group 42—PERFORMANCE TRAKTW’ Ill Radar
Sensor System (Multi-Function Monitor)

SECTION 250—POWER TRAIN (PERMA-CLUTCH TRANSMISSION)
Group C5—QUAD-fiANGETM System Operation
Group IO—PERMA-CLUTCHTM Operation
Group 15—0UAD-RANGETM Planetary
Group 20—QUAD-RANGETM Eight-Speed
Group 25—Transmission Oil Pump
Group 30—Transmission Lubrication Valve
Group 35—Transmission Control Valves
Group 40—Differential and Finat Drive
Group 45—SYNCRO-RANGETV Transmission
Group 55—PTO
Group GO—QUAD RANGE Transmissions Diagnosis
SECTION 255—POWER SHIFT TRANSMESSION
Group 05—Mechanical Operation
Group IO—Hydraulic Controls
Group 15—PTO, Differential and Final Drives
Group 16—Power Shift Transmission Diagnosis
Group 20—MechanicaI Front Wheel Drive

John Deere