John Deere 1830 and 2120 Tractors Technical Manual (TM4282)

Table of Contents:
   INTRODUCTION
   GENERAL
      Specifications
      Pre-delivery, delivery and after-sales inspections
      Lubrication and periodic service
      Engine and tractor tune-up
      Tractor separation
   ENGINE
      General information, diagnosing malfunctions
      Cylinder head, camshaft and balancer shafts
      Cylinder block, liners, pistons and connecting rods
      Crankshaft, main bearings and flywheel
      Timing gear train
      Oil pump, oil pressure regulating valve and oil filter
      Engine cooling system
      Speed control linkage
   FUEL SYSTEM
      Diagnosing malfunctions
      Fuel tank, transfer pump, fuel filter and air cleaner
      ROTO-DIESEL fuel injection pump
      Fuel injection nozzles
      Cold weather starting aids
   ELECTRICAL SYSTEM
      Diagnosing malfunctions
      Sealed beam system (later tractor models)
      Sealed-beam system (earlier tractor models)
      Starting motor
      Alternator and regulator
   POWER TRAIN
      Engine clutch and clutch linkage
      HIGH-LOW shift unit
      Collar-shift transmission
      Differential
      Final drives
      Independent PTO
   FRONT AXLE, STEERING SYSTEM AND BRAKES
      Front axle
      Power steering
      Hydraulic brakes
   HYDRAULIC SYSTEM
      General information, diagnosing malfunctions and tests
      Oil reservoir, filter, valves and oil cooler
      Hydraulic pump and transmission oil pump
      Rockshaft
      Selective control valve (poppet-type) and break - away coupler
      Selective control valves (spool-type)
      Remote cylinder
   MISCELLANEOUS
      Belt pulley
      DE LUXE seat
      Front and rear wheels
      Roll guard