John Deere 840 940 1040 1140 Technical Manual Tractors (TM4353)

Factory Technical Manual TM4353 (01JUNE82) For John Deere 840 940 1040 1140 Tractors. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, maintenance, inspection, repair, troubleshooting, tune-ups.

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Pages: 774

Models

John Deere
840
940
1040
1140

Contents

GENERAL
Specifications
Pre-delivery, delivery and after-sales inspections
Lubrication and periodic service
Engine and tractor tune-up
Tractor separation
ENGINE
Specifications and special tools
Description, diagnosing malfunctions
Cylinder head, valves and camshaft
Cylinder block, liners, pistons and connecting rods
Crankshaft, main bearings and flywheel
Timing gear train
Lubrication System
Cooling system
FUEL AND AIR INTAKE SYSTEM
Specifications and special tools
General information, diagnosing malfunctions
Fuel tank, water trap, fuel transfer pumps and fuel filter
Roto Diesel fuel injection pump
Fuel injection nozzles
Cold weather starting aid
Speed control linkage
Air cleaner
ELECTRICAL SYSTEM
Specifications and special tools
Description and diagnosing malfunctions
Wiring harnesses
Controls and instruments
Lighting systems
Wiring diagram
Starting motor
Alternator
POWER TRAIN
Specifications and special tools
Description, operation and lubricating system
Clutch operating linkage
Engine clutches
Hi-Lo Shift Unit
Creeper transmission
Transmission shift linkage
Synchronized transmission and transmission oil pump
Collar shift transmission and transmission oil pump
Differential
Final drives
Independent PTO
Continuous-running PTO
Mechanical front wheel drive
STEERING SYSTEM AND BRAKES
Specifications and special tools
Power steering
Manual steering
Brakes
HYDRAULIC SYSTEM
Specifications and special tools
Description, diagnosing malfunctions and pressure tests
Oil reservoir, filter, valves and oil cooler
Hydraulic pumps
Rockshaft
Selective control valve (spool type)
Selective control valve (poppet valve type)
Hose couplers
Remote cylinder
MISCELLANEOUS
Specifications and special tools
Front axle
Belt pulley
Front and rear wheels
Axle trailer hitch
OPERATORS CAB
Specifications and special tools
Cab ventilation and heating
Operators seats
Operators cab
Roll guard