Bobcat CT4045 SST, CT4050 SST, CT4055 SST 7372753 (12-19) (Preview)
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TABLE OF CONTENTS
SAFETY FIRST
FOR SAFETY
ALERT SYMBOLS
SAFETY TIPS
SAFETY GEAR
WORK PLACE
SAFETY INSTRUCTIONS WHEN PREPARING TRACTOR
AVOID FIRES
CAUTIONS WHEN HANDLING THE BATTERY
CAUTIONS FOR HIGH PRESSURE HOSES
USE OF APPROPRIATE TOOLS AND EQUIPMENT
HANDLING OF HAZARDOUS MATERIALS
HANDLING OF ROTATING BLADE, SHAFT AND DRIVING BELT
PREVENTION OF SCALD
DISPOSAL OF ENVIRONMENTAL WASTE
CAUTIONS WHEN HANDLING TIRES
SAFETY DECALS
GENERAL
DESCRIPTION FOR SYMBOLS AND ABBREVIATIONS
TRACTOR EXTERIOR VIEW
IDENTIFICATION NUMBER
TRACTOR SERIAL NUMBER
ENGINE SERIAL NUMBER
TRANSMISSION SERIAL NUMBER
DIMENSIONS
SPECIFICATIONS
DRIVING SPEED
GEAR ARRANGEMENT
ARRANGEMENT OF MAIN SHIFT GEAR AND REAR AXLE GEARS
ROLLING CIRCUMFERENCE OF REAR WHEELS
ROTATING SPEED RATIO (ENGINE VS. REAR AXLE)
MAINTENANCE
MAINTENANCE SCHEDULE CHART
LUBRICATION LIST
TIRE MAINTENANCE
PROPER INFLATION PRESSURE
WHEEL BOLT TORQUE
TIGHTENING TORQUES
GENERAL USE SCREWS, BOLTS AND NUTS
STUD BOLTS
AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF THREADS
SPRING PIN AND SNAP RING INSTALLATION
SPRING PIN TYPE
SNAP RING INSTALLATION
UNIT CONVERSION TABLE
ENGINE
ENGINE IDENTIFICATION
ENGINE EPA DECAL (A)
ENGINE NUMBER (B)
ASSIGNMENT STANDARD FOR ENGINE MODEL CODE
SPECIFICATIONS
GENERAL SPECIFICATIONS
ENGINE DIMENSION
COMPONENTS
TORQUE
BRAKE HORSE POWER (HP)
ENGINE PERFORMANCE CURVE ANALYSIS
S.F.C (SPECIFIC FUEL CONSUMPTION) (FOR REFERENCE ONLY)
ENGINE BODY
SERVICING SPECIFICATIONS
LUBRICATING SYSTEM
COOLING SYSTEM
TIGHTENING TORQUES FOR ENGINE
OPERATING PRINCIPLE
CRDI (COMMON RAIL DIRECT INJECTION) SYSTEM
ECU
HIGH PRESSURE FUEL PUMP (FOR INJECTION)
FUEL RAIL(COMMON RAIL)
INJECTOR [C3I]
CYLINDER HEAD
CYLINDER BLOCK
CYLINDER HONING
BODY AND POWER TRAIN SYSTEM
CRANKSHAFT
PISTON AND PISTON RING
CONNECTING ROD
CAMSHAFT
ROCKER ARM ASSEMBLY
INTAKE AND EXHAUST VALVES
TIMING GEAR
FLYWHEEL
MLS CYLINDER HEAD GASKET
ENGINE OIL FLOW
LUBRICATING SYSTEM
ENGINE OIL FLOW CHART
FUNCTION OF LUBRICATING SYSTEM
COOLANT FLOW ROUTE
COOLING SYSTEM
WATER PUMP
THERMOSTAT
RADIATOR
RADIATOR CAP
FUEL SYSTEM
OVERVIEW FOR FUEL SUPPLY
FUEL FLOW ROUTE
FUEL FILTER
BLEEDING THE FUEL SYSTEM
HIGH PRESSURE FUEL PUMP
COMMON RAIL (FUEL RAIL)
INJECTOR [C3I (CALIBRATION IMPROVED INDIVIDUAL INJECTOR)]
FUEL COOLER
ACCELERATION SYSTEM
OVERVIEW
INTAKE & EXHAUST SYSTEM
EGR COOLER
EGR VALVE
AIR CONTROL VAVLE
CCRT (CATALYZED CONTINUOUSLY REGENERATING TRAP)
TURBO CHARGER
SENSOR
SENSORS AS Input / Output FOR ECU
TROUBLESHOOTING
MEASUREMENT AND ADJUSTMENT
VALVE CLEARANCE
CLEARANCE ADJUSTMENT
VALVE LIFT (DEFLECTION AND WORN CONDITION OF VALVE CAM, TAPPET, PUSH ROD, ROCKER ARM, ETC.)
OIL PRESSURE MEASUREMENT
BUBBLE TEST FOR RADIATOR
TURBO CHARGER WASTEGATE PRESSURE CHECK
EXPLODED VIEW
CYLINDER BLOCK
OILPAN
CYLINDER HEAD
GEARCASE
OIL FILTER
CRANK SHAFT
PISTON & CONNECTING ROD
CAM SHAFT
IDLE GEAR
ROCKER ARM & VALVE
FUEL EQUIPMENT
WATER FLANGE
WATER PUMP
CYLINDER HEAD COVER
FUEL FILTER & PIPE
INLET MANIFOLD
EGR
COOLING FAN
TURBOCHARGER
TURBO PIPE
AFTER TREATMENT
DISASSEMBLY, SERVICE AND ASSEMBLY
ENGINE REMOVAL
ENGINE COMPONENT REMOVAL
ENGINE DISASSEMBLY
HEAD COVER
GLOW PLUG AND INJECTOR
ROCKER ARM ASSEMBLY
CYLINDER HEAD
INTAKE AND EXHAUST VALVES
HIGH PRESSURE FUEL PUMP
GEAR CASE
GEARS IN GEAR CASE
PISTON AND CONNECTING ROD
FLYWHEEL AND CRANKSHAFT
OIL FILTER
OIL PUMP
THERMOSTAT
WATER PUMP
FUEL FILTER
TURBO CHARGER
CLUTCH
SPECIFICATIONS
GENERAL SPECIFICATIONS
TIGHTENING TORQUES
SEALANT
OPERATING PRINCIPLE
TROUBLESHOOTING
MEASUREMENT AND ADJUSTMENT
SAFETY START SWITCH ADJUSTMENT
CLUTCH DISC SPLINE BOSS AND GEAR SHAFT END PLAY
CLUTCH DISC WEAR INSPECTION
PRESSURE PLATE INSPECTION
THRUST BALL BEARING INSPECTION
FLYWHEEL SURFACE AND DEFLECTION OF ENGINE CRANKSHAFT
CLUTCH LEVER GROUP
EXPLODED VIEW
CLUTCH LEVER GROUP
CLUTCH PEDAL GROUP
DISASSEMBLY, SERVICE AND ASSEMBLY
CLUTCH DISASSEMBLY (CLUTCH DISC REPLACEMENT)
CLUTCH COVER INSTALLATION
TRANSMISSION
SPECIFICATIONS
GENERAL SPECIFICATIONS
TIGHTENING TORQUE FOR MAJOR COMPONENTS
SEALANT AND ADHESIVE SPECIFICATIONS
STRUCTURE AND OPERATING PRINCIPLE
OPERATING PRINCIPLE OF SYNCHRONIZER
SHUTTLE
PTO CLUTCH PACK
CALCULATION FOR REAR PTO
FRONT WHEEL DRIVE & QT
INSPECTION AND ADJUSTMENT
TROUBLESHOOTING
EXPLODED VIEW
COUNTER SHAFT
MAIN SPEED FORK
SHUTTLE SHAFT
SHUTTLE FORK
FRONT DRIVE SYSTEM
PTO COUNTER SHAFT
PTO CLUTCH
PROPELLER SHAFT
HYD CLUTCH
DISASSEMBLY, SERVICE AND ASSEMBLY
CLUTCH HOUSING REMOVAL
MIDDLE CASE REMOVAL
SHUTTLE SHAFT ASSEMBLY
HYDRAULIC CLUTCH COMPONENTS DISASSEMBLY AND ASSEMBLY
SYNCHRONIZER ASSEMBLY
MIDDLE CASE SECTION (SHUTTLE SHIFT SECTION) ASSEMBLY
TRANSMISSION CASE SECTION (RANGE SHIFT / 4WD SECTION) DISASSEMBLY AND ASSEMBLY
SPIRAL BEVEL PINION SHAFT DISASSEMBLY
SPIRAL BEVEL PINION SHAFT ASSEMBLY
18 GEAR SHAFT DISASSEMBLY
PTO SHAFT DISASSEMBLY
REAR AXLE
SPECIFICATIONS
TRANSMISSION FLUID
TIGHTENING TORQUES
OPERATING PRINCIPLE
POWER TRAIN OF REAR AXLE
PRINCIPLE OF DIFFERENTIAL SYSTEM
DIFFERENTIAL LOCK SYSTEM
TROUBLESHOOTING
INSPECTION AND ADJUSTMENT
BACKLASH FOR DIFFERENTIAL PINION AND SIDE GEAR
PRELOAD OF TAPER ROLLER BEARING IN DIFF.
BACKLASH FOR SPIRAL BEVEL PINION AND RING GEAR
TOOTH CONTACT OF SPIRAL BEVEL
EXPLODED VIEW
SPIRAL BEVEL GEAR
REAR DIFFERENTIAL SYSTEM
DIFF. LOCK FORK
REAR AXLE
DISASSEMBLY, SERVICING AND ASSEMBLY
REAR AXLE COMPONENTS
REAR DIFFERENTIAL DISASSEMBLY
REAR DIFFERENTIAL SYSTEM COMPONENTS DISASSEMBLY
REAR DIFFERENTIAL SYSTEM ASSEMBLY
REAR DIFFERENTIAL INSTALLATION
BRAKE
SPECIFICATIONS
GENERAL SPECIFICATION
STRUCTURE AND OPERATING PRINCIPLE
TROUBLESHOOTING
INSPECTION AND ADJUSTMENT
BRAKE PEDAL FREE PLAY
BRAKE DISC
BRAKE PLATE
CLEARANCE OF BRAKE LAMP SWITCH
BRAKE COMPONENTS INSPECTION
CAM PLATE
CAM PLATE AND STEEL BALL
EXPLODED VIEW
REAR SHAFT CASE
BRAKE PEDAL
BRAKE ROD
DISASSEMBLY, SERVICING AND ASSEMBLY
BRAKE SECTION DISASSEMBLY AND ASSEMBLY
FRONT AXLE
SPECIFICATIONS
GENERAL SPECIFICATIONS
SEALANT AND ADHESIVE
TIGHTENING TORQUE FOR MAJOR COMPONENTS
STRUCTURE AND OPERATING PRINCIPLE
POWER TRANSFER SYSTEM FOR FRONT AXLE
DIFFERENTIAL SYSTEM
LOAD TRANSFER
FLOATING SEAL
TROUBLESHOOTING
INSPECTION AND ADJUSTMENT
TOE-IN
STEERING ANGLE
SWAY RESISTANCE
PRELOAD OF TAPER ROLLER BEARING ON SPIRAL BEVEL PINION SHAFT
BACKLASH FOR DIFFERENTIAL PINION AND DIFFERENTIAL SIDE GEAR
BACKLASH FOR SPIRAL BEVEL PINION AND 23 SPIRAL BEVEL GEAR
TOOTH CONTACT OF SPIRAL BEVEL GEAR
TOOTH CONTACT FOR UPPER BEVEL GEARS AND FINAL DRIVE BEVEL GEARS
EXPLODED VIEW
PROPELLER SHAFT
FRONT AXLE BRACKET
BEVEL PINION SHAFT
FRONT DIFFERENTIAL
BEVEL GEAR CASE
BEVEL GEAR SHAFT
FRONT AXLE CASE
FRONT AXLE
STEERING CYLINDER
DISASSEMBLY, SERVICING AND ASSEMBLY
FRONT AXLE OIL SEAL REPLACEMENT
BEVEL GEAR CASE OIL SEAL REPLACEMENT
FRONT AXLE CASE DISASSEMBLY AND ASSEMBLY
FRONT DIFFERENTIAL SYSTEM REMOVAL AND INSTALLATION
FRONT DIFFERENTIAL SYSTEM DISASSEMBLY AND ASSEMBLY COMPONENTS
STEERING SYSTEM
SPECIFICATIONS AND TIGHTENING TORQUE
SPECIFICATIONS FOR STEERING SYSTEM
TIGHTENING TORQUE FOR MAJOR COMPONENTS
HYDRAULIC PUMP
POWER STEERING UNIT
STEERING CYLINDER
STRUCTURE AND OPERATING PRINCIPLE
OPERATING DIAGRAM
STEERING UNIT
OPERATING PRINCIPLE
STRUCTURE AND SPECIFICATIONS
OPERATING PRINCIPLE OF STEERING SYSTEM
STRUCTURE AND OPERATING PRINCIPLE
TROUBLESHOOTING
INSPECTION AND ADJUSTMENT
STEERING UNIT RELIEF VALVE PRESSURE CHECK
FRONT AXLE TOE-IN ADJUSTMENT
EXPLODED VIEW
STEERING CYLINDER
STEERING COLUMN
STEERING HOSE
POWER STEERING UNIT
DISASSEMBLY, SERVICING AND ASSEMBLY
STEERING UNIT REMOVAL
STEERING UNIT (ORBITROL UNIT) COMPONENTS DISASSEMBLY
STEERING UNIT COMPONENTS ASSEMBLY
RELIEF VALVE DISASSEMBLY AND ASSEMBLY
STEERING CYLINDER REMOVAL
HYDRAULIC SYSTEM
SPECIFICATIONS
GENERAL SPECIFICATIONS
TIGHTENING TORQUE
STRUCTURE AND OPERATING PRINCIPLE
COMPONENT ARRANGEMENT
OPERATING PRINCIPLE
OPERATING DIAGRAM
IMPLEMENT SECTION
MAIN SECTION
COMPONENTS
HYDRAULIC FILTER
GEAR PUMP
MODULATOR VALVE (PTO, 4WD)
REMOTE HYDRAULIC VALVE
LIFT CONTROL VALVE (PCV VALVE)
HYDRAULIC BLOCK
SHUTTLE VALVE (H-SHUTTLE TYPE MODEL)
OIL COOLER [TH]
HYDRAULIC LIFT CYLINDER
TROUBLESHOOTING
INSPECTION AND ADJUSTMENT
INPUT PRESSURE INSPECTION OF MODULATOR VALVE
STEERING UNIT RELIEF PRESSURE INSPECTION
INSPECTION USING EXTERNAL HYDRAULIC VALVE COUPLER
LEVER SETTING OF HYDRAULIC LIFT CYLINDER
ADJUSTING THE POSITION CONTROL LEVER
SETTING THE DRAFT
ONE-TOUCH LIFTING LEVER ADJUSTMENT
EXPLODED VIEW
HYD.CYLINDER
EXTERNAL HYDRAULIC
MODULATE VALVE
SUCTION LINE
GEAR PUMP
HYDRAULIC BLOCK
OIL COOLER
LIFT CONTROL VALVE
POSITION CONTROL
DRAFT CONTROL
TOP LINK
ONE TOUCH LINK
DOWN SPEED CONTROL
DISASSEMBLY, SERVICING AND ASSEMBLY
GEAR PUMP REMOVAL AND REASSEMBLY
DISASSEMBLY OF GEAR PUMP
GEAR PUMP ASSEMBLY COMPONENTS ASSEMBLY
MODULATOR VALVE
Modulator valve disassembly
Modulator valve assembly
SHUTTLE VALVE (FOR H-SHUTTLE MODEL)
SHUTTLE VALVE DISASSEMBLY
REMOTE HYDRAULIC VALVE (DOUBLE ACTING VALVE)
AUX. HYDRAULIC (DOUBLE ACTING) VALVE ASSEMBLY COMPONENTS DISASSEMBLY
AUX. HYDRAULIC VALVE ASSEMBLY
HYDRAULIC CYLINDER
HYDRAULIC CYLINDER ASSEMBLY DISASSEMBLY
HYDRAULIC CYLINDER ASSEMBLY REASSEMBLY
LIFT CONTROL VALVE
FLOW CONTROL VALVE
RELIEF VALVE
HYDRAULIC BLOCK
HYDRAULIC BLOCK ASSEMBLY COMPONENTS DISASSEMBLY
HYDRAULIC / HYDROSTATIC SCHEMATICS
ELECTRIC SYSTEM AND DIAGNOSIS
SPECIFICATIONS
WIRING IDENTIFICATION
CROSS SECTIONAL AREA OF WIRING
SYMBOLS FOR ELECTRIC COMPONENTS
FUSE
INSPECTION
CAUSE FOR BLOWN FUSE
ELECTRIC DEVICE DIAGNOSIS
OPERATING PRINCIPLE
WHEN IGNITION SWITCH IS TURNED TO “ACC” POSITION
OPERATING PRINCIPLE OF PREHEAT
WHEN IGNITION SWITCH IS TURNED TO “ST” POSITION
CHARGE WARNING LAMP OPERATION
ELECTRIC COMPONENTS
IGNITION SWITCH
SLOW-BLOW FUSE
IGNITION SWITCH OPERATION
START MOTOR
KEY SWITCH TEST
ALTERNATOR
COMBINATION SWITCH
FLASHER UNIT
TERMINAL IDENTIFICATION AND CIRCUIT
FLASHER UNIT TEST
GLOW RELAY
FUSE & RELAY BOX
5P RELAY
GLOW PLUG
MICRO 5P RELAY
MICRO 4P RELAY
COOLANT TEMPERATURE SENSOR
ENGINE OIL PRESSURE SWITCH
FUEL SENDER
HAZARD WARNING LAMP SWITCH
ECU
SENSORS AND RELAYS
CRANKSHAFT POSITION SENSOR
FUEL RAIL PRESSURE SENSOR
ACCELERATION (KNOCK) SENSORS
HIGH-PRESSURE FUEL PUMP TEMPERATURE SENSOR
WATER-IN-FUEL SENSOR
EXHAUST GAS TEMP. SENSOR
CAMSHAFT WHEEL SENSOR
EGR VALVE SENSOR
MAF SENSOR
INTAKE AIR PRESSURE SENSOR/TEMPERATURE SENSOR
DPF DIFFERENTIAL PRESSURE SENSOR
THROTTLE POSITION SENSOR (TPS)
AIR CONTROL VALVE SENSOR
BRAKE SWITCH
PARKING BRAKE MICRO SWITCH
4WD / QT SWITCH [EU]
QUICK TURN ANGLE SWITCH [EU]
SAFETY START SWITCH
ONE SIDE BRAKE SWITCH
SAFETY SWITCH
NEUTRAL SWITCH
PTO SAFETY SWITCH
RANGE SHIFT SAFETY SWITCH
PTO AUTO/MANUAL SWITCH
PTO SWITCH
SWITCHS
CRUISE PTO SWITCH
CRUISE CONTROL RES/SET SWITCH
PREHEAT CONTROLLER [AU]
DPF REGENERATION SWITCH
SAFETY CONTROL UNIT [EU]
INSTRUMENT PANEL
SYMBOLS AND COMPONENTS
CONNECTOR
GAUGES AND INDICATORS
LAMPS
TURN SIGNAL LAMP
REAR COMBINATION LAMP
TROUBLESHOOTING
WHEN THE SYSTEM IS NOT CHARGED
WHEN THE SYSTEM IS NOT PREHEATED MANUALLY
WHEN THE SYSTEM IS NOT PREHEATED AUTOMATICALLY
WHEN THE PTO DOES NOT OPERATE
WHEN THE 4WD CONTROL SYSTEM DOES NOT OPERATE
WHEN THE QUICK TURN CONTROL SYSTEM DOES NOT OPERATE [EU]
WHEN THE HEAD LAMP CANNOT BE OPERATED
FUEL GAUGE OPERATION
TEMPERATURE GAUGE OPERATION
TACHOMETER OPERATION WITH THE ENGINE RUNNING
HOUR METER OPERATION
EXPLODED VIEW
GLOW CONTROL
ENGINE ELECTRIC 3
FRONT WORKING LAMP
LIGHT CONTROL
WIRE MAIN HARNESS
DISPLAY CONTROL
PTO CONTROL
THROTTLE CONTROL, PTO CRUISE SWITCH AND DPF SWITCH
DIAGNOSIS
DIAGNOSTIC PROGRAM
DTC (DIAGNOSTIC TROUBLE CODE)
COMPOSITION
ERORR CODE & ACTION
FAULT DIAGNOSIS CODE DESCRIPTION
ELECTRICAL SCHEMATICS
INDEX
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