Description
John Deere 4650 and 4850 Tractors Repair Technical Manual (TM1354)
John Deere 4650 and 4850 Tractors INDEX:
SECTION IO—GENERAL
Group 00—Specifications
Group 05—Predelivery, Delivery and After-Sale Services
Group IO—Tune-up
Group 15—Lubrication
SECTION IS—SEPARATION
Group 05—Front Axle
Group IO—Front-End
Group 15—Front-End and Engine
Group 20—Engine
Group 25—SOJND-GARD$ body
and Roll-Gard Protective Structure
Group 30—Power Shift Clutch Housing
Group 31—QUAD-RANGE7′ Clutch Housing
Group 35—Transmission
Group 40—Final Drives
SECTION 20—ENGtNE
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 SO—FUEL AND AIR SYSTEM
Group 05—Acquire Access to Air Intake System
Group 10—Acquire Access to Diesei Fuel System
Group 15—Speed Control Linkage
SECTION 40—ELECTRlCAL
Group 05—Hamess Replacement
Group (“6 r,nnnector Repair
Group IO—Remove/lnstall Delco-Remy Charging Circuit
Group 11—John Deere Charging Circuit
Group 15-—Starting Circuit Replacement
Group 25—Lighting Circuit Repair
Group SO—INVESTIGATOR Warning System And Digital Tachometer Repair
Group 91—Gauge Cluster Instrumentation Repair
Group 32—Analog Tachometer Repair
Group 35—Accessories Circuits Repair
SECTION 50—POWER TRAIN—OUAD.RANGE
TRANSMISSION
Group 05—Removejlnsta’l Clutch Pressure Valve
Housing
Group IO—Ciutch Oil Pressure Reguiating Valve
HOuSng
Group 15—Clutch Operating Piston Housing
Group 20—PERMA CLUTCHTV
Group 30—-OUAD-RANGET•’ Planetary
Group 35—a.JAD-RANGE Transmisson & Charge
Purnp
Group 40—Shitt Lever Assembly
Group 55—PTO Gear Train
Group 60—Adjust PTO Ciutch Rod
Group 65—Difterential
Group 70—Remove/lnstall Differential Lock
Valve and Adiust Lock Valve
Release Bar
Group 75—Differential Lock Valve
Group BO—finaI Drive
SECTION 55—POWER TRAIN—POWER SHIFT
TRANSMISS\ON
Group 05—Remove/lnstall Traction Clutch Valve
Housülg
Group IO—Traction Clutch Valve Housing
Group 15—Remove/lnstall Transmission Control
Valve Housing
Group 20—Transmission Control Vaives
Group 25—Remove/lnstall Traction Clutch
Group 30—Traction Cutch and Drive Shafts
Group 35—1nput Planetary
Group 40—Reduction Gear Train
Group 45—0utPJt Planetary
Group 50—Speed Selector Assembly
Group 55—Charge Pump Assembly
Group SO—PTO Gear Train with MFWD
Group 61—PTO Gear Train without MFWD
Group 65—Adiust PTO Clutch Rod
Group 70—Ditferential
Group 75—Remove/lnstaIl Differential Lock
Valve and Adjust Lock Valve
Release Bar
Group 80—Difterential Lock Valve
Group 85—finaI Drive
Group 95—MFWD Gear Train
Group IOO—MFWD Clutch
Group 105—MFWD Axle and Final Drive
SECTION GO—STEERING/BRAKES
Group 05—Remove/lnstall Power Steering
Components
Group IO—Steering Column
Group 15—Metering Pump
Group 20—Steering Valve
Group 25—Steering Motor
Group 30 Steering Assist Cylinders (MFWD)
Group 35—Remove/lnstaß 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—HYDRAULlCS
Group 05—Remove/Instan Main Hydrauic Pump
Group 15—0il Futer Relief Valve Housing (ORT)
Group 20—Rett.rn Oil filter Relief Valve Housing
(PST)
Group Attenuator
Group 30—HydraWic Attenuator
Group 35—Remove/lnstall HYDRACUSHIONEO”,’
Seat Valve
Group 40—Repair Hydra-Cushioned Seat Valve
Assembly
Group 45—Pressure Control Valve
Group 50—Remove/InstaII Rockstlaft Compo-
nents and Lift Assist Cylinders
Group 55—Rockshaft Components
Group 60—Lift Assist Cylinders
Group 65—0raft Sensing Cyftlders
Group 70—Hitch Components
Group 75—Remove/lnstal’ SCV Coupler and
Levers
Group eo—scv and tso Coupler
Group 85—Remote Cylinder
Group Oil Cooler and Thermat
Bypass
Group System Cleanup Procedure
SECTION BO—MISCELLANEOUS
Group 05—Rear Wheels
Group IO—Front Axle
SECTION 90–OPERATOR STATION
Group 05—Air Conditioning System
Group 06—Air Conditioning System Service
Group IO—Heating System
Group 15—-Seat
Group 20—Miscellaneous Components
SECTION 95—MlSCELUANEOUS OPTIONS
Group 40—AuxiIiary Lighting and Electrical
Components
Group 62—Auxiliary Trailer Brake
Group 63—Secondary Brake
Group 80-—Minor Options
SECTION 99—SPECiAL TOOLS
