John Deere 3040, 3140 Tractors Repair Technical Manual (TM4379)

Table of Content (Technical Manual – TM4379)

SECTION 10 – GENERAL
Group 00 — Specifications and special tools
Group 05 — Pre-delivery, delivery and after-sales inspections
Group W — Lubrication and periodic service
Group 15 — Engine and tractor tune-up
Group 20 — Tractor separation (on tractors without increased lifting capacity)
Group 25 — Tractor separation (on tractors with increased lifting capacity)

SECTION 20 – ENGINE
Group 00 — Specifications
Group 05 — Radiator

SECTION 30 – FUEL AND AIR INTAKE SYSTEM
Group 00 — Specifications and special tools
Group 05 — General information, diagnosing malfunctions
Group 10 — Fuel tank and water trap
Group 15 — Cold weather starting aids
Group 20 — Speed control linkage
Group 25 — Air cleaner

SECTION 40 – ELECTRICAL SYSTEM
Group 00 — Specifications and special tools
Group 05 — Description, diagnosing malfunctions and tests
Group 10 — Wiring harnesses
Group 15 — Controls and instruments
Group 20 — Lighting systems
Group 25 — Wiring diagrams
Group 30 — Starting motor
Group 35 — Alternator

SECTION 50 – POWER TRAIN
Group 00 — Specifications and special tools
Group 05 — Description, operation and lubricating system
Group 10 — Clutch operating linkages
Group 15 — Engine clutches
Group 20 — Hi-Lo shift unit
Group 25 — Creeper transmission
Group 30 — Transmission shift linkage
Group 35 — Synchronized transmission and transmission oil pump
Group 40 — Differential
Group 45 — Final drives
Group 50 — Independent PTO
Group 51 — Front PTO
Group 55 — Mechanical front wheel drive

SECTION 60 — STEERING SYSTEM AND BRAKES
Group 00 — Specifications and special tools
Group 05 — Hydrostatic Steering (operating pressure: 12000 kPa; 120 bar; 1740 psi)
Group 06 — Hydrostatic Steering (operating pressure: 15000 kPa; 150 bar; 2180 psi)
Group 10 — Brakes

SECTION 70 — HYDRAULIC SYSTEM
Group 00 — Specifications and special tools
Group 05 — Description, diagnosing malfunctions and pressure tests
Group 10 — Oil reservoir, filter, valves and oil cooler
Group 15 — Hydraulic pumps
Group 20 — Rockshaft
Group 21 — Front hitch
Group 25 — Selective control valves (spool type)
Group 26 — Selective control valves (poppet valve type)
Group 30 — Hose couplers
Group 35 — Remote cylinder
Group 40 — Selective control valves (tractors manufactured in Spain)

SECTION 80 — MISCELLANEOUS
Group 00 — Specifications
Group 05 — Front axle
Group 10 — Belt pulley
Group 15 — Front and rear wheels
Group 20 — Axle trailer hitch
Group 25 — Trailer hitch (height adjustable)

SECTION 90 — OPERATOR’S CABS
Group 00 — Specifications and special tools
Group 05 — Air conditioning system
Group 10 — Ventilation and heating
Group 15 — Operator’s seats
Group 20 — OPU cab
Group 25 — SG2 cab
Group 30 — Roll guard