Bobcat T2556, T2566 Telescopic Handler Repair Service Manual – 6986764

T2556 (S/N: A8FR11001 & Above) – T2566 (S/N: A8G311001 & Above)
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This workshop repair service manual PDF download for the T2556, T2566 Bobcat Telescopic Handler has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.

APPLICABLE MODELS :

Bobcat Telescopic Handler T2556, T2566
T2556 – S/N: A8FR11001 & Above
T2566 – S/N: A8G311001 & Above

TABLE OF CONTENTS :

SAFETY AND MAINTENANCE
HYDRAULIC SYSTEM
HYDROSTATIC SYSTEM
DRIVE SYSTEM
MAIN FRAME
ELECTRICAL SYSTEM AND ANALYSIS
ENGINE SERVICE
HEATING, VENTILATION, AIR CONDITIONING
SPECIFICATIONS
ALPHABETICAL INDEX
SERVICE MANUAL REVISION

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6986764-EN (12-07) Revised (2-10)
Total Pages : 844

This service manual / repair manual / workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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MAINTENANCE SAFETY
CONTENTS
FOREWORD
FOREWORD
SAFETY INSTRUCTIONS
FIRE PREVENTION
Maintenance
Operation
Electrical
Hydraulic System
Fueling
Starting
Spark Arrester Exhaust System
Welding And Grinding
Fire Extinguishers
SERIAL NUMBER LOCATION
Telescopic Handler Serial Number
Engine Serial Number
Other Serial Numbers
DELIVERY REPORT
IDENTIFICATION OF THE TELESCOPIC HANDLER

SAFETY AND MAINTENANCE
LIFTING AND BLOCKING THE TELESCOPIC HANDLER
Procedure
OPERATOR CAB
Emergency Exit
Cab Door
Cab Door Window
TRANSPORTING THE TELESCOPIC HANDLER
Loading And Unloading
Fastening
TOWING THE TELESCOPIC HANDLER
Procedure
SERVICE SCHEDULE
AIR CLEANER SERVICE
Replacing Filter Element
ENGINE COOLING SYSTEM
Cleaning The Cooling System
Checking The Coolant Level
Replacing The Coolant
FUEL SYSTEM
Fuel Specifications
Filling The Fuel Tank
Fuel Filter
ENGINE LUBRICATION SYSTEM
Checking Engine Oil
Oil Chart
Replacing Oil And Filter
HYDRAULIC / HYDROSTATIC SYSTEM
Checking And Adding Fluid
Replacing Hydraulic / Hydrostatic Filter
Replacing Hydraulic Fluid
AXLES (FRONT AND REAR)
Checking Oil Level (Planetary Carrier)
Draining Oil (Planetary Carrier)
Checking Oil Level (Rear Differential)
Draining Oil (Rear Differential)
Checking Oil Level (Front Differential)
Draining Oil (Front Differential)
Checking Oil (Drive Box)
Draining Oil (Drive Box)
LUBRICATION
Procedure
ATTACHMENT FRAME
Inspection And Maintenance
TYRE MAINTENANCE
Wheel Nuts
Tyre Mounting
Tyre Rotation
SPARK ARRESTER MUFFLER
Cleaning
APPROVED BOOM STOP
Installing The Approved Boom Stop
Removing The Approved Boom Stop
ENGINE COVER
Opening And Closing The Engine Cover

HYDRAULIC SYSTEM
HYDRAULIC SYSTEM INFORMATION
Troubleshooting Chart
HYDRAULIC SCHEMATICS
Tightening Procedures
LIFT CYLINDER
Removal And Installation
Parts Identification
Disassembly
Assembly
BUCKET POSITIONING CYLINDER
Removal And Installation
Parts Identification
Disassembly
Assembly
EXTENSION CYLINDER
Cylinder Group Removal And Installation
Upper Tubeline Removal
Upper Tubeline Installation
Extension Cylinder Removal And Installation
Tubeline Tray Disassembly
Tubeline Tray Assembly
Parts Identification
Disassembly
Assembly
TILT CYLINDER
Removal And Installation
TILT CYLINDER
Parts Identification
Disassembly
Assembly
STEERING CYLINDER (FRONT)
Removing The Steering Cylinder
Installing The Steering Cylinder
Disassembling The Steering Cylinder
Assembling The Steering Cylinder
STEERING CYLINDER (REAR)
Removing The Steering Cylinder
Installing The Steering Cylinder
Disassembling The Steering Cylinder
Assembling The Steering Cylinder
DRIVE BOX
Parts Identification
Disassembly
Assembly
Special Tools
MAIN RELIEF VALVE
Testing And Adjustment
Removal And Installation
QUICK TACH CYLINDER
Removal And Installation
Parts Identification
Disassembly
Assembly
PORT RELIEF VALVES
Adjustment Procedure
STEERING MODE VALVE BLOCK
Removal And Installation
Parts Identification
Disassembly
Solenoid Testing
Assembly
BRAKE VALVE
Removal And Installation
Disassembly And Assembly
GEAR PUMP
Removal And Installation
Parts Identification
Disassembly And Assembly
FAN MOTOR
Removal And Installation
Parts Identification
Disassembly And Assembly
HYDRAULIC RESERVOIR
Removal And Installation
STEERING VALVE
Removal And Installation
Parts Identification
Disassembly
Inspection
Assembly
HYDRAULIC CONTROL VALVE
Troubleshooting Chart (Controllers)
Telescoping Valve Section Troubleshooting
Auxiliary Valve Section Troubleshooting
Troubleshooting Chart (Control Valve)
Removal And Installation
Parts Identification
Disassembly And Assembly
End Housing Disassembly And Assembly
Lifting Valve Section Disassembly And Assembly
Tilting Valve Section Disassembly And Assembly
Telescoping Valve Section Disassembly And Assembly
Auxiliary Valve Section Disassembly And Assembly
Inlet-Outlet Valve Section Disassembly And Assembly
JOYSTICK
Removal And Installation
PARKING BRAKE
Parking Brake Valve Removal And Installation
Parking Brake Valve Disassembly And Assembly
PILOT PRESSURE LOCK OUT VALVE
Testing
Removal And Installation
Disassembly And Assembly
ACCUMULATOR
Removal And Installation
TOW VALVE
Removal And Installation
Disassembly And Assembly
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE
Removal And Installation
Disassembly And Assembly
FLOW CONTROL VALVE
Removal And Installation

HYDROSTATIC SYSTEM
HYDROSTATIC SYSTEM INFORMATION
Troubleshooting Chart
Replenishing Valve Function
OIL COOLER
Description
HYDROSTATIC DRIVE MOTOR
Removal And Installation
Parts Identification
Disassembly
Inspection
Assembly
HYDROSTATIC PUMP
Removal And Installation
Parts Identification
Disassembly
Inspection
Assembly
Charge pressure checking procedure
Charge pressure adjusting procedure

DRIVE SYSTEM
TROUBLESHOOTING
Chart
AXLE AND DIFFERENTIAL (FRONT)
General Information
Planetary Carrier And Wheel Hub Parts Identification
Planetary Carrier Disassembly And Assembly
Wheel Hub Disassembly And Assembly
Steering Knuckle Disassembly And Assembly
Axle Housing / Drive Axle Disassembly
Brake Group Parts Identification
Brake Group Disassembly
Differential Parts Identification
Differential Disassembly And Assembly
Pinion Group Parts Identification
Pinion Group Disassembly
Pinion Group Assembly
Brake Group Assembly
Axle Housing / Drive Axle Assemby
Special Tools
AXLE AND DIFFERENTIAL (REAR)
General Information
Planetary Carrier And Wheel Hub Parts Identification
Planetary Carrier Disassembly
Steering Knuckle Parts Identification
Steering Knuckle Disassembly
Differential Parts Identification
Differential Disassembly
Bevel Pinion Parts Identification
Bevel Pinion Disassembly
Bevel Pinion Assembly
Differential Assembly
Steering Knuckle Assembly
Planetary Carrier Assembly
Special Tools
FRONT AXLE
Removal
Installation
AXLE TOE-IN
Adjustment
PARKING BRAKE
Releasing The Brake For Towing
Re-Activating The Brake
STEERING ANGLE ADJUSTMENT
Adjustment
DRIVESHAFT
Removal And Installation
SERVICE BRAKE
Description
Bleeding The Brake Circuit
REAR AXLE
Removal
Installation

MAIN FRAME
OPERATOR CAB (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
OPERATOR CAB (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
OPERATOR SEAT
Removal And Installation
BOOM ASSEMBLY
Removal And Installation
INNER BOOM
Removal
Installation
WEAR PADS (FRONT)
Removal And Installation
WEAR PADS (REAR)
Removal
Installation
ENGINE COVER
Gas Cylinder Removal And Installation
Removal And Installation
AIR INTAKE COWLING
Removal And Installation
FUEL TANK
Removal And Installation
QUICK TACH
Removal And Installation
REAR WEIGHTS
Removal And Installation
FENDER
Removal And Installation
JOYSTICK PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
JOYSTICK PANEL (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
DASH COVER / STEERING COLUMN COVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
DASH COVER / STEERING COLUMN COVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation

ELECTRICAL SYSTEM AND ANALYSIS
ELECTRICAL SYSTEM INFORMATION (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Troubleshooting Chart
Description
Fuses, Diodes And Relays
ELECTRICAL SCHEMATICS (S/N 13000 & ABOVE)
ELECTRICAL SCHEMATICS (S/N 12001 – 12999)
ELECTRICAL SYSTEM INFORMATION (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Troubleshooting Chart
Description
Fuses, Diodes And Relays
BATTERY
Removal And Installation
Servicing
Using A Booster Battery (Jump Starting)
ALTERNATOR
Removal And Installation
Adjusting The Alternator Belt
STARTER
Removal And Installation
Parts Identification
Disassembly
Inspection And Repair
Assembly
LIGHTS
Rear Light Removal And Installation
Front Light Removal And Installation
TRAVEL / SIGNAL LEVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
TRAVEL / SIGNAL LEVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
INSTRUMENT PANEL
Removal And Installation
SWITCH PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
Parts description
SWITCH PANEL (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
Parts description
BRAKE LIGHT SWITCH
Removal And Installation
Adjustment
FRONT WIPER MOTOR
Removal And Installation
TOP WIPER MOTOR
Removal And Installation
REAR WIPER MOTOR
Removal And Installation
PEDAL ASSEMBLY
Removal And Installation
Disassembly And Assembly
INCHING SWITCH
Removal And Installation
Adjustment
SERVICE SOFTWARE
Connecting The Laptop Computer
Entering The Service Software
Monitor Screen
Warnings Screen
Calibrate Inch Pedal
Calibrate Creep Potentiometer
Program / Update Susmic Controller

ENGINE SERVICE
TROUBLESHOOTING
Chart
ENGINE SPEED CONTROL
Removal And Installation
MUFFLER
Removal And Installation
AIR CLEANER
Housing Removal And Installation
OIL COOLER / RADIATOR
Removal And Installation
Disassembly And Assembly
ENGINE AND ENGINE MOUNTS
Removal And Installation
ENGINE COMPONENTS AND TESTING
Fuel Injection Pump Removal
Fuel Injection Pump Installation
Fuel Injectors Removal And Installation
Checking The Fuel Lift Pump
Fuel Lift Pump Removal And Installation
Compression Checking
Glow Plugs Checking
Glow Plugs Removal And Installation
ENGINE TIMING
Procedure
ENGINE / HYDROSTAT ASSEMBLY
Removal And Installation
FLYWHEEL AND HOUSING
Removal And Installation
Ring Gear Removal
Ring Gear Installation
RECONDITIONING THE ENGINE
Turbo Charger Troubleshooting
Turbo Charger Description
Turbo Charger Removal And Installation
Exhaust Manifold Removal And Installation
Fuel Injector Cover Removal And Installation
Rocker Cover Removal And Installation
Cylinder Head Removal
Cylinder Head Inspection
Cylinder Head Installation
Rocker Shaft Disassembly And Assembly
Valve Removal
Valve Springs Checking
Valve Depth Checking
Valve Guides Checking
Valve Guide Removal
Valve Guide Installation
Valves Checking
Cutting A Valve Seat
Valve Seat Assembly
Changing Valve Springs (With Cylinder Head Installed)
Valve Clearance Adjustment
Timing Case And Drive Assembly Description
Timing Cover Removal
Timing Cover Installation
Crankshaft Pulley Removal And Installation
Front Oil Seal Removal And Installation
Timing Case And Gear Removal
Timing Case And Gear Installation
Camshaft And Tappets Removal
Camshaft And Tappets Installation
Pistons And Connecting Rods Description
Pistons And Connecting Rods Removal
Pistons And Connecting Rods Disassembly
Piston Ring End Gap
Piston Ring Installation
Piston Ring Groove Clearance
Connecting Rod Inspection
Connecting Rod Bushing Replacement
Piston And Connecting Rod Assembly
Piston And Connecting Rod Installation
Checking Piston Height
Crankshaft And Bearings Description
Crankshaft And Bearings Removal
Inspection Of Crankshaft And Bearings
Crankshaft And Bearings Installation
Rear Oil Seal Removal
Rear Oil Seal Housing Positioning
Rear Oil Seal Installation
Checking Crankshaft End Play
Cooling System Description
Thermostat Removal and Installation
Thermostat Testing
Lubricating Oil Cooler Removal And Installation
Water Pump Removal
Water Pump Installation
Engine Lubrication System Description
Oil Filter Adapter Removal And Installation
Oil Pan Removal And Installation
Oil Screen And Pick-up Tube
Oil Pump Removal
Oil Pump Installation
Oil Pump Disassembly And Assembly
Oil Pressure Relief Valve Disassembly And Assembly
Engine Block Description
Engine Block Disassembly And Assembly
Piston Cooling Jet Removal
Piston Cooling Jet Installation
Piston Cooling Jet Alignment
Inspection
Cylinder Liner Inspection
Cylinder Liner Removal
Cylinder Liner Installation

HEATING, VENTILATION, AIR CONDITIONING
AIR CONDITIONING SYSTEM FLOW
Principles
Chart
COMPONENTS
Identification
SAFETY
Safety Equipment
REGULAR MAINTENANCE
Filter Element Removal And Installation
Compressor Drive Belt Inspection
Cleaning The Condenser
BASIC TROUBLESHOOTING
Poor A/C Performance
Compressor Drive Belt Inspection
Checking The Electrical System
GENERAL AIR CONDITIONING SERVICE GUIDELINES
Compressor Oil
Compressor Oil Check
Component Replacement And Refrigeration Leaks
SYSTEM TROUBLESHOOTING CHART
TEMPERATURE / PRESSURE
Chart
AIR CONDITIONING SERVICE
Chart
SYSTEM CHARGING AND RECLAMATION
Reclamation Procedure
Charging Procedure With A Manifold Gauge Set
Charging Procedure
COMPRESSOR
Removal And Installation
Compressor Clutch Disassembly And Assembly
CONDENSER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
CONDENSER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
RECEIVER / DRIER
Removal And Installation
PRESSURE SWITCH
Removal And Installation
EVAPORATOR / BLOWER UNIT (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
EVAPORATOR / BLOWER / HEATER UNIT (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
EXPANSION VALVE (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)
Removal And Installation
EXPANSION VALVE (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)
Removal And Installation
HEATER ASSEMBLY
Removal And Installation
Fan Removal And Installation
Core Removal And Installation

SPECIFICATIONS
TELESCOPIC HANDLER SPECIFICATIONS
Dimensional Specifications
Performance Specifications
Engine
Fan Pump
Controls
Drive System
Tyres
Capacities
Hydraulic System
Electrical System
Instrument Panel
ENGINE SPECIFICATIONS
General
Cylinder Head
Valve Guides
Exhaust Valves
Intake Valves
Valve Springs
Rocker Shaft, Rockers And Bushings
Pistons And Piston Rings
Connecting Rods And Bearings
Crankshaft
Crankshaft Re-Grind Data
Main Bearings
Thrust Washers
Camshaft And Thrust Washer
Cylinder Block
Cylinder Liners
Fuel Injection Pump
Fuel Injectors
Fuel Lift Pump
Timing Case And Timing Gears
Oil Pump, Gear And Relief Valve
Turbocharger
Flywheel
Water Pump And Thermostat
Engine Torque Component
MACHINE TORQUE SPECIFICATIONS
Axle
Boom
Drive Box
Drive Motor
Engine
Hydraulic Pump
TORQUE SPECIFICATIONS FOR BOLTS
Torque for General SAE Bolts
Torque For General Metric Bolts
HYDRAULIC CONNECTION SPECIFICATIONS
O-ring Face Seal Connection
Straight Thread O-ring Fitting
Tubelines And Hoses
Port Seal Fitting
HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS
Specifications
CONVERSIONS
Decimal And Millimeter Equivalents
U.S. To Metric Conversion

ALPHABETICAL INDEX

SERVICE MANUAL REVISION
Revision No: T2556, T2566 – 1

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