John Deere 4050, 4250, 4450 Tractors Technical Manual TM1353 01SEP87

SECTION 1O—GENERAL
Group 05—PredeIivery, Delivery and After-Sale
Services
Group 10—Tune-up
Group 15—Lubrication
SECTION 15—SEPARATlON
Group 05—Front Axle
Group 10—Front-End
Group 15—Front-End and Engine
Group 20—Engine
Group body and
ROLL-GARDO Protective Structure
Group 30—Power Shift Clutch Housing
Group 31—QUAD-RANGE-T’v’ Clutch Housing
Group 35—Transmission
Group 40—Final Drives
Group 41—Hi-Crop Final Drives
SECTION 20—ENGlNE
Group 05—Acquire Access to Cylinder Head,
Valves and Camshaft
Group 10—Acquire Access to Cylinder Block,
Liners, Pistons and Rods
Group 15—Acquire Access to Crankshaft, Main
Bearings and Flywheel
Group 20—Acquire Access to Lubrication System
Group 25—Remove/InstaII Cooling System
SECTION 30—FUEL AND AIR SYSTEM
Group 05—Acquire Access to Air Intake System
Group 10—Acquire Access to Diesel Fuel System
Group 15—Speed Control Linkage
SECTION 40—ELECTRlCAL
Group 05—Harness Replacement
Group 06—Connector Repair
Group 10—Remove/InstaII Delco-Remy Charging
Circuit
Group I I—John Deere Charging Circuit Repair
Group 15—Starting Circuit Replacement
Group 25—Lighting Circuit Repair
Group 30—1NVESTlGATOR Warning System
and Digital Tachometer Repair
Group 31—Gauge Cluster Instrumentation Repair
Group 32—AnaIog Tachometer Repair
Group 35—Accessories Circuit Repair