DOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 1068H COMBINE | PUBLICATION NUMBER - TM4307

The TM4307 is the comprehensive technical manual for the John Deere 1068H Combine, designed for operators, technicians, and service professionals. This detailed reference covers machine specifications, operation procedures, maintenance schedules, troubleshooting protocols, and component repair instructions. Essential for maximizing equipment performance and ensuring proper upkeep, this manual provides the authoritative guidance needed to keep your 1068H operating at peak efficiency. Ideal for workshops, farms, and equipment rental facilities requiring reliable technical documentation.

CONTENT:
;GENERAL
Specifications and special tools
General information
Predelivery inspection, delivery service and after-sales inspection
Lubrication and periodic service
Engine and combine tune-up and adjustments
Combine separation
ENGINE REPAIR
and special tools
Cylinder head, valves, camshaft and balancer shafts (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)
Cylinder head, valves and camshaft (Engine 6466) (985 combines Serial no. 18433--)
Cylinder block, liners, pistons and connecting rods (Engines 3179, 4239, 6359) (985 Serial no. --18432)
Cylinder block, liners, pistons and connecting rods, (Engine 6466) (985 combines Serial no. 18433--)
Crankshaft, main bearings and flywheel (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)
Crankshaft, main bearings and flywheel (Engine 6466) (985 combines Serial no. 18433--)
Lubrication system (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)
Lubrication system (Engine 6466) (985 combines Serial no. 18433--)
Cooling system (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)
Cooling system (Engine 6466) (985 combines Serial no. 18433--)
Fan drive contershaft
Timing gear train (Engines 3179, 4239, 6359) (985 combines Serial no. --18432)
FUEL AND AIR REPAIR
 Specifications and special tools
Air intake system
Fuel system
Fuel filter with water trap and electrical fuel transfer pump from serial no. 041201
Roto Diesel fuel injection pump
Roosa Master fuel injection pump
Robert Bosch fuel injection pump
Roosa Master fuel injection nozzles
Robert Bosch fuel injection nozzles KDEL (21 mm)
Speed control linkage
ELECTRICAL SYSTEM
Specifications and special tools
Diagnosing malfunctions
Electrical system components
diagrams and wiring harnesses
Starting motor (Bosch)
Starting motor (John Deere)
Alternator (Bosch)
Alternator (Delcotron)
Electrical leveling control system (sidehill combines)
MODIFIED ELECTRICAL EQUIPMENT ON COMBINES FROM SERIAL NO. 041201
Wiring harnesses and connectors
Electrical circuits and wiring diagrams
Testing individual circuits
Starting motor
Alternator
Components
Shaft low speed monitor system
Harvestrak combine monitor - Functional description and tests
Harvestrak combine monitor - Repair
Electromagnetic transmission brake
POWER TRAIN
Specifications and special tools
Variable ground speed drive
"Posi Torq" ground drive
Engine clutch and clutch linkage (932, 942, 952)
Engine clutch and clutch linkage (955)
Engine Clutch (955 to 1085)
from Ser. No. 044137
Reverser clutch, control and linkage
Hydrostatic drive
Front axle (932, 942, 952)
Transmission and differential (955 to 1085 Hydro/4)
Final drives (955, 965, 975 to 1085 Hydro/4)
Rice drives
Final drive (sidehill combines)
Track system
BRAKES AND REAR AXLE
Specifications and special tools
Parking brake (932, 942, 952)
Parking brake (955 to 1085 Hydro/4)
Footbrakes (disk brakes acting on transmission)
Footbrakes (with integrated slave cylinder)
Footbrakes (disk brakes acting on front wheels)
axle
Rear axle (sidehill combines)
V-support for wide rear axle
HYDRAULIC SYSTEM
Specifications and special tools
General information, diagnosing malfunctions
Hydraulic symbols and system layout
Pressure tests
Hydraulic oil reservoir, filter, suction and pressure lines
Hydraulic pump and flow divider
Tandem (dual-gear) hydraulic pump
Triple hydraulic pump
Single and three spool control valves
Seven spool control valve
Seven spool control valve (from serial no. 041201)
Hydraulic cylinders (up to a certain serial no.)
Hydraulic cylinders (from a certain serial no.)
Nitrogen accumulators
Hydrostatic steering
Hydraulic brakes
Hydraulic clutch control
Clutch operation with integrated slave cylinder
Transmission brake
Hydraulic components (sidehill combines)
Hydraulic drive reel or belt pick-up system
Hydraulic reverser motor
MISCELLANEOUS
Specifications and special tools
General information
Bearings and shafts
Belts and chains
OPERATOR'S PLATFORM AND CAB
Specifications and special tools
Cab ventilation
Air conditioning system
Air conditioning system components
Heater
OPERATOR'S PLATFORM WITH SG-2 CAB ( - 044136)
Specifications and special tools
Cab ventilation
Air conditioning system
Compressor
System components
Cab heating system
Operator's seat
SG2 cab
OPERATOR'S PLATFORM WITH SG-2 CAB (044137 - )
Cab ventilation
Air conditioning system
System service
System testing
Compressor
System components
Cab heating system
Operator's seat
SG2 cab
CUTTING PLATFORM AND CORN HEAD
Specifications and special tools
General information, diagnosing malfunctions
Cutting platform and knife drive
Series Platform
Variable reel speed drive
Corn head
Corn head gear case
FEEDER HOUSE
General information, diagnosing malfunctions
Feeder drive
Feeder house (with integrated cutting platform)
Feeder house (with quick-tach cutting platform)
Feeder house (with quick-tach cutting platform; from serial no. 041201)
Chain transmission - cutting platform drive
Hydraulic reverser
SEPARATOR AND CLEANING UNIT
Specifications and special tools
General information, diagnosing malfunctions
Separator drive
Threshing cylinder, variable cylinder drive
Cylinder drive reduction gear (up to serial no. 039866)
Cylinder drive reduction gear (from serial no. 039867)
Concave
Beater, beater variable drive
Cross shaker
Straw walkers, cleaning shoe with sieves and fan
ELEVATORS, GRAIN TANK AND GRAIN TANK UNLOADING AUGERS
General information, diagnosing malfunctions
Elevator and auger drives
Clean grain auger and elevator
Lower tailings auger, elevator and upper auger
Grain tank leveling auger and unloading auger
Outer unloading auger and housing
SPECIAL EQUIPMENT
Specifications and special tools
Straw chopper with centrifugal and electric clutch
Straw chopper with direct drive
Straw spreader

TOTAL PAGE - 1697

FILE FORMAT - PDF
LANGUAGE - ENGLISH