Complete Repair Technical Manual for John Deere 4650, 4850 Tractors.
Publication number: TM1354
This manual contains high quality images, specs and Schematics, actual real photo illustrations, circuit diagrams and instructions to help you to diagnostic, maintenance, troubleshoot, and repair your John Deere 4650, 4850 Tractors. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
Covered models:
John Deere 4650 Tractor
John Deere 4850 Tractor
CONTENTS:
SECTION 10 – GENERAL
Group 00 – Specifications
Group 05 – Predelivery, Delivery and After-Sale Services
Group 10 – Tune-Up
Group 15 – Lubrication
SECTION 15 – SEPARATION
Group 05 – Front Axle
Group 10 – Front-End
Group 15 – Front-End and Engine
Group 20 – Engine
Group 25 – SOUND-GARD body and Roll-Gard Protective Structure
Group 30 – Power Shift Clutch Housing
Group 31 – QUAD-RANGE Clutch Housing
Group 35 – Transmission
Group 40 – Final Drives
SECTION 20 – ENGINE
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 / Install 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 – ELECTRICAL REPAIR
Group 05 – Harness Replacement
Group 06 – Connector Repair
Group 10 – Remove / Install Delco-Remy Charging Circuit
Group 15 – Starting Circuit Replacement
Group 25 – Lighting Circuit Repair
Group 30 – INVESTIGATOR II Warning System And Digital Techometer Repair
Group 31 – Gauge Cluster Instrumentation Repair
Group 32 – Analog Tachometer Repair
Group 35 – Accessories Circuits Repair
SECTION 50 – POWER TRAIN – QUAD-RANGE
Group 05 – Remove / Install Clutch Pressure Valve Housing
Group 10 – Clutch Oil Pressure Regulating Valve Housing
Group 15 – Clutch Operating Piston Housing
Group 20 – PERMA CLUTCH
Group 30 – QUAD-RANGE Planetary
Group 35 – QUAD-RANGE Transmission & Charge Pump
Group 40 – Shift Lever Assembly
Group 55 – PTO Gear Train
Group 60 – Adjust PTO Clutch Rod
Group 65 – Differential
Group 70 – Removal / Install Differential Lock Valve and Adjust Lock Valve Release Bar
Group 75 – Differential Lock Valve
Group 80 – Final Drive
SECTION 55 – POWER TRAIN – POWER SHIFT
Group 05 – Remove / Install Traction Clutch Valve Housing
Group 10 – Traction Clutch Valve Housing
Group 15 – Remove / Install Transmission Control Valve Housing
Group 20 – Transmission Control Valve
Group 25 – Remove / Install Traction Clutch
Group 30 – Traction Clutch and Drive Shafts
Group 35 – Input Planetary
Group 40 – Reduction Gear Train
Group 45 – Output Planetary
Group 50 – Speed Selector Assembly
Group 55 – Charge Pump Assembly
Group 60 – PTO Gear Train with MFWO
Group 61 – PTO Gear Train without MFWD
Group 65 – Adjust PTO Clutch Rod
Group 70 – Differential
Group 75 – Remove / Install Differential Lock Valve and Adjust Lock Valve Release Bar
Group 80 – Differential Lock Valve
Group 85 – Final Drive
Group 95 – MFWD Gear Train
Group 100 – MFWD Clutch
Group 105 – MFWD Axle and Final Drive
SECTION 60 – STEERING / BRAKES
Group 05 – Remove / Install Power Steering Components
Group 10 – Steering Column
Group 15 – Metering Pump
Group 20 – Steering Valve
Group 25 – Steering Motor
Group 30 – Steering Assist Cylinders (MFWD)
Group 35 – Remove / Install Brake Valve and Brake Accumulator
Group 40 – Brake Valve
Group 45 – Brake Accumulator
Group 50 – Bleeding Brakes and Testing Brake Accumulator
Group 55 – Brake Pistons, Plates and Disks
SECTION 70 – HYDRAULICS
Group 05 – Remove / Install Main Hydraulic Pump
Group 15 – Oil Filter Relief Valve Housing (QRT)
Group 20 – Return Oil Filter Relief Valve Housing (PST)
Group 25 – Remove / Install Attenuator
Group 30 – Hydraulic Attenuator
Group 35 – Remove / Install HYDRACUSHOINED Seat Valve
Group 40 – Repair Hydra-Cushoined Seat Valve Assembly
Group 45 – Pressure Control Valve
Group 50 – Remove / Install Rockshaft Components and Lift Assist Cylinders
Group 55 – Rockshaft Components
Group 60 – Lift Assist Cylinders
Group 65 – Draft Sensing Cylinders
Group 70 – Hitch Components
Group 75 – Remove / Install SCV Coupler and Levers
Group 80 – SCV and ISO Coupler
Group 85 – Remote Cylinder
Group 90 – Hydraulic Oil Cooler and Thermal Bypass Valve
Group 95 – Transmission-Hydraulic System Clean-Up Procedure
SECTION 80 – MISCELLANEOUS
Group 05 – Rear Wheels
Group 10 – Front Axle
SECTION 90 – OPERATOR STATION
Group 05 – Air Conditioning System
Group 06 – Air Conditioning System Service
Group 10 – Heating System
Group 15 – Seat
Group 20 – Miscellaneous Component
SECTION 95 – MISCELLANEOUS OPTIONS
Group 40 – Auxiliary Lighting and Electrical Components
Group 62 – Auxiliary Trailer Brake
Group 63 – Secondary Brake
Group 80 – Minor Options
SECTION 99 – SPECIAL TOOLS
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File Format: PDF
Requirement: Adobe Reader
Total Pages: 1406
Language: English
Compatibility: All Windows Version / Mac and Linux OS, Android
This manual can be used by anyone from a first time owner/amateur to a professional technician. Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings. Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.
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