John Deere 820 Tractor TM4212 Technical Manual PDF

This technical manual is intended for John Deere 820 tractor is a concisely written publication for the service personnel.
Technical manual contains procedures and specifications which an individual cannot be expected to remember.
Technical manual includes general information, diagnosing, malfunctions checks, removal, disassembly, repair, assembly, installation, adjustments, specifications and special tools.
This technical manual comes in PDF format, includes 332 pages. All pages are printable. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.

CONTENTS:

• SECTION 10 - GENERAL INFORMATION
  • Group 5 - Specifications
  • Group 10 - Pre-delivery, delivery and after-sales inspections
  • Group 15 - Lubrication and periodic service
  • Group 20 - Engine and tractor tune-up and adjustment
  • Group 25 - Separation
• SECTION 20 - ENGINE
  • Group 5 - General information, diagnosing malfunctions
  • Group 10 - Cylinder head and camshaft
  • Group 15 - Cylinder block, liners, pistons and connecting rods
  • Group 20 - Crankshaft, main bearings and flywheel
  • Group 25 - Timing gear train
  • Group 30 - Oil pump, oil pressure regulating valve and oil filter
  • Group 35 - Engine cooling system
  • Group 40 - Speed control
• SECTION 30 - FUEL SYSTEM
  • Group 5 - Diagnosing information
  • Group 10 - Fuel tank, transfer pump, fuel filters
  • Group 15 - BOSCH injection pump
  • Group 20 - ROTO DIESEL injection pump
  • Group 25 - ROOSA MASTER MODEL CB injection pump
  • Group 30 - ROOSA-MASTER injection nozzles
  • Group 35 - BOSCH injection nozzles
  • Group 40 - Cold weather starting aids
• SECTION 40 - ELECTRICAL SYSTEM
  • Group 5 - Diagnosing malfunctions
  • Group 10 - "BILUX" lighting system
  • Group 15 - Sealed-beam lighting system (from tractor serial no. 77054 L)
  • Group 16 - Sealed-beam lighting system (up to tractor serial no. 77053 L)
  • Group 20 - Starting motor
  • Group 25 - Alternator and regulator
  • Group 30 - Generator and regulator
• SECTION 50 - POWER TRAIN
  • Group 5 - Engine dual-stage clutch and clutch linkage
  • Group 10 - Collar-shift transmission
  • Group 15 - Differential assembly
  • Group 20 - Final drives
  • Group 25 - PTO shafts
• SECTION 60 - FRONT AXLE, STEERING SYSTEM AND BRAKES
  • Group 5 - Front axle
  • Group 10 - Manual and power steering
  • Group 15 - Brakes
• SECTION 70 - HYDRAULIC SYSTEM
  • Group 5 - General information, diagnosing malfunctions, pressure tests
  • Group 10 - Oil reservoir, filter and valves
  • Group 15 - Hydraulic pump and transmission oil pump
  • Group 20 - Rockshaft
  • Group 25 - Selective control valve
• SECTION 80 - MISCELLANEOUS
  • Group 5 - Belt pulley
  • Group 10 - DE LUXE seat
  • Group 15 - Front wheels