John Deere 2653A (SN: 040001-) Diesel Professional Utility Mowers Technical Manual (TM1554)

Table of Contents:
   INTRODUCTION
      SAFETY
   SAFETY
   SPECIFICATIONS AND INFORMATION
      VEHICLE SPECIFICATIONS
      METRIC FASTENER TORQUE VALUES
      INCH FASTENER TORQUE VALUES
      O-RING SEAL SERVICE RECOMMENDATIONS
      SPECIFICATIONS AND INFORMATION DIESEL FUEL SPECIFICATIONS
      ENGINE OIL SPECIFICATIONS
      ANTI-CORROSION GREASE SPECIFICATIONS
      GENERAL APPLICATION GREASE
      ALTERNATIVE LUBRICANTS
   ENGINE
      DIESEL ENGINE SPECIFICATIONS
      CUTAWAY VIEW - ENGINE
      COMPONENT LOCATION
      THEORY OF OPERATION
      TROUBLESHOOTING
      DIAGNOSTICS
      TESTS AND ADJUSTMENTS
      ENGINE REPAIR
      REPAIR - FUEL DELIVERY SYSTEMS
   ELECTRICAL SECTION (S.N. - 060554)
      SPECIFICATIONS
      COMPONENT LOCATION
      ELECTRICAL SCHEMATIC
      WIRING HARNESS DIAGRAM
      CRANKING CIRCUIT OPERATION
      IGNITION CIRCUIT OPERATION - OPERATOR ON SEAT
      IGNITION (RUN) CIRCUIT OPERATION - OPERATOR OFF SEAT
      MOW CIRCUIT (3 WHEEL DRIVE)
      BACKLAPPING CIRCUIT - OPERATOR OFF SEAT
      TROUBLESHOOTING
      DIAGNOSTICS
      TESTS and ADJUSTMENTS
      REPAIR
   ELECTRICAL (S.N. 060555 - )
      SPECIFICATIONS
      COMPONENT LOCATION
      ELECTRICAL SCHEMATIC (S. N. 060555 - )
      WIRING HARNESS DIAGRAM
      THEORY OF OPERATION
      CRANKING CIRCUIT OPERATION
      IGNITION CIRCUIT OPERATION - OPERATOR ON SEAT
      IGNITION (RUN) CIRCUIT OPERATION - OPERATOR OFF SEAT
      MOW and 3 WHEEL DRIVE CIRCUIT
      BACKLAPPING CIRCUIT
      TROUBLESHOOTING
      DIAGNOSTICS
      TESTS and ADJUSTMENTS
      HYDRO/ENGINE OVERTEMP
      ENGINE LOW OIL PRESSURE LIGHT
      DIODE TEST
      MOW SHUTOFF VALVE TEST
      OFF DELAY TIMER TEST
      MOW SWITCH TEST
      RELAY TESTS
      NEUTRAL START SWITCH TEST
      PARK BRAKE SWITCH TEST
      RAISE/LOWER SWITCH
      CUTTING UNIT RAISED SWITCH
      CONTROL MODULE TESTS
      CHARGING SYSTEM OPERATIONAL
      REGULATED AMPERAGE AND VOLTAGE TESTS
      STARTER NO-LOAD AMPERAGE
      STARTER LOADED AMPERAGE
      STARTER SOLENOID TEST
      STARTER - HITACHI 0.8 kW
      ALTERNATOR - KOKOSAN 20A
   HYDROSTATIC POWERTRAIN CONTENTS
      SPECIFICATIONS
      COMPONENT LOCATION
      POWER TRAIN SCHEMATIC
      TROUBLESHOOTING
   STEERING
      SPECIFICATIONS
      COMPONENT LOCATION
      TROUBLESHOOTING
      THEORY OF OPERATION
      TESTS AND ADJUSTMENTS
   BRAKES
      SPECIFICATIONS
      COMPONENT LOCATION
      TROUBLESHOOTING
      THEORY OF OPERATION
      DIAGNOSTICS
      TESTS AND ADJUSTMENTS
   HYDRAULICS
      SPECIFICATIONS
      COMPONENT LOCATION
      HYDRAULIC SCHEMATIC
      TROUBLESHOOTING
      THEORY OF OPERATION
      TESTS and ADJUSTMENTS
      REPAIR
   ATTACHMENTS
      SPECIFICATIONS
      COMPONENT LOCATION
      TROUBLESHOOTING
      THEORY OF OPERATION
      in E.S.P. CUTTING UNIT REPAIR
      ROLLER REMOVAL
      ROLLER DISASSEMBLY AND
      ROLLER ASSEMBLY
      ROLLER INSTALLATION
      BED KNIFE/SUPPORT INSTALLATION
      REEL REMOVAL
      PIVOT ARM DISASSEMBLY AND
      PIVOT ARM ASSEMBLY
      REEL INSTALLATION
      BACKLAPPING AND REEL-TO-BED
      REEL AND BED KNIFE INSPECTION
      REEL-TO-BED KNIFE ADJUSTMENT
      BACKLAPPING
      HEIGHT - OF - CUT (HOC)
   MISCELLANEOUS
      COMPONENT LOCATION
   INDEX