(S/N: 1745010 Onwards) - This service manual PDF download for the Robot 260W, 280W, 300W, 330W, 260T, 300T, 320T JCB Skid Steer Loader 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.
Section 1 - General Information Section 2 - Care and Safety Section 3 - Maintenance Section A - Attachments Section B - Body and Framework Section C - Electrics Section E - Hydraulics Section F - Transmission Section J - Tracks Section K - Engine
MANUAL SPECIFICATION :
File Format : PDF Language : English Printable : Yes Searchable : Yes Bookmarked : Yes Publication No. : 9803/9950-1 Total Pages : 470
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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9803-9950
Section 1 - General Information Introduction About this Publication Machine Model and Serial Number Using the Service Manual Section Numbering Left Side, Right Side Cab/Canopy Machine Description The JCB Skid Steer Loader Intended Use Component Locations Identifying Your Machine Machine Identification Plate Component Identification ROPS and FOPS Torque Settings Zinc Plated Fasteners and Dacromet Fasteners Introduction Bolts and Screws Hydraulic Connections 'O' Ring Face Seal System Service Tools Numerical List Tool Detail Reference Section B - Frame and Bodywork Section C - Electrics Section E - Hydraulics Section K - Engine Service Aids Sealing and Retaining Compounds
Section 2 - Care and Safety Safety Notices Important Information The Operator Manual Safety Warnings Safety Check List Safety - Yours and Others General Safety Operating Safety Maintenance Safety
Section 3 - Maintenance Routine Maintenance Service Requirements Introduction Owner/Operator Support Service/Maintenance Agreements Fit for Purpose Tests for Lifting Equipment Obtaining Replacement Parts Health and Safety Lubricants Battery Service Schedules Introduction How to Use the Service Schedules Calendar Equivalents Service Label Pre-start Cold Checks, Service Points and Fluid Levels Fluids, Lubricants and Capacities Coolant Mixtures Fuels Tools Carrying Tools onto the Machine Tool Locations (optional) Prepare the Machine for Maintenance Introduction How to Prepare the Machine for Maintenance (Loader Arm Lowered) How to Prepare the Machine for Maintenance (Loader Arm Lifted) How to Prepare the Machine for Maintenance (Loader Arm and Cab Lifted) Cleaning the Machine Introduction Preparing the Machine for Cleaning Cleaning the Machine Checking for Damage Check the Machine Body and Structure Check the Tyres Check the Seat and Seat Belt Check the Hydraulic Hoses and Fittings Checking the ROPS/FOPS Structure Greasing Introduction Preparing the Machine for Greasing Every 50 Hours Access Panels Introduction Rear Door Engine Top Cover Cab Heater and Air Conditioning (option) Changing the Intake Filter Changing the Re-circulation Filter Electrical System Battery Jump Starting the Engine Fuses and Relays Battery Isolator (Option) Engine Oil and Filters Cooling system Alternator Belt Engine Air Filter Fuel System Introduction Draining the Primary Water Separator and Engine Fuel Filter Changing the Primary Water Separator Filter Fuel Filter Hydraulic System Introduction Releasing the Auxiliary Hydraulic Pressure Oil and Filters Hydraulic Tank Breather Transmission Drive Chain Lubrication - Wheeled Machines Drain Line Screen Filter Adapter Tyres and Wheels Tyre Inflation Checking the Wheel Nut Torques Tracks Track Adjustment Front Screen Washer (optional) Checking the Level Fire Extinguisher (if fitted) Checking the Fire Extinguisher
Section A - Attachments Optional Attachments Introduction Attachments For Your Machine Impact Protection Connecting/Disconnecting Hydraulic Hoses Introduction Connecting the Hydraulic Hoses Disconnecting the Hydraulic Hoses Quick Release Couplings Auxiliary Operation Normal Operation High Flow Operation Hydraulic Quick Hitch Control To Release the Attachment To Engage the Attachment Manual Quickhitch Control Engaging the Shovel/Attachments Disengaging the Shovel/Attachments Attachment Frame Installation and Removal Shovels 6-in-1 Shovel Grapple Bucket Installation and Removal Operation Maintenance Storage Pallet Forks Installation and Removal Operation Road Travel Maintenance Manure/Silage Fork with Top Grab Installation and Removal Operation Preparing for Travel Maintenance Snow Blade Installation and Removal Operation Maintenance
Section B - Body and Framework Service Procedures Rivet Nuts Fitting Procedure Slide Hammer Kit Fitting Procedure Glazing Direct Glazing Cab/Canopy Removal and Replacement Removal Replacement Loader Arm Removal and Replacement Removal Replacement Stop Pad Adjustment Cab/Canopy Door Removal and Replacement Removal Replacement Locks and Handles Removal Replacement
Section C - Electrics Technical Data General Electrical Data Light Bulbs Service Procedures Using a Multimeter Measuring DC Voltage Measuring Resistance Measuring Continuity Measuring Frequency Testing a Diode or a Diode Wire Battery Maintenance Testing Specific Gravity Testing Alternator General Description Service Precautions Charging Circuit Test Alternator Charging Test Starter Motor Starting Circuit Test Wire and Harness Number Identification Introduction Wire Numbers and Functions Wiring Harness Repair Introduction Repair Procedure Radio Technical Data General FM Tuner AM Tuner Weather Band Amplifier Wiring Diagram Electronic Throttle Control Description and Operation Description Operation Fault Codes Installtion Circuit Diagrams Components Diagrams Harness Data Drawings and Interconnection Cab Harrness Cab Harness - Multifunction Chassis Harness Chassis Harness - Multifunction Windscreen Washer Harness Engine Harness Front Wash Wipe Harness Rear Wash Wipe Harness Logic Control Introduction Description Error Codes Machine Error Codes Alternator Removal, Inspection and Replacement Dismantle and Assemble Renewing the Voltage Regulator and Brushes Renewing the Drive Pulley Starter Motor Removal, Inspection and Replacement Dismantle and Assemble Renewing the Brush Gear Renewing the Starter Solenoid White Noise/Reverse Alarm Removal, Inspection and Replacement Work Lights Removal, Inspection and Replacement Work Light Mounting Brackets Work Light Assemblies Road Lights Removal, Inspection and Replacement Road Light Assemblies
Section E - Hydraulics Technical Data General Data Main Valve Block Smooth Ride System Valve Block Servo Cut Off Manifold Servo Cut Off Manifold 2 Speed Self Level Valve (Optional) Loader Pump - Standard (P3) Loader Pump - High-Flow (P3 and P5) Charge Pump (P4) Return Line Filter Return Line Filter (High Flow) Rams Hydraulic Tank Circuit Diagrams Introduction to Hydraulic Schematic Symbols General (Basic and Functional Symbols) Control Valves Example of Schematic Circuit Standard and High-flow Servo Machines Component Key Valves Main Valve Block Description Removal Replacement Smooth Ride System Valve Description Removal Replacement Combination Valve Description Removal Replacement Self Level Valve (Optional) Description Removal Replacement Servo Joysticks Description and Operation Description Operation Removal and Replacement Removal Replacement Gear Pumps Description General Removal and Replacement Introduction Removal Replacement Dismantling and Assembly Shaft Seal Replacement Motor Hydraulic Fan Motor Introduction Removal Replacement Hydraulic System Hydraulic Tank Introduction Removal Replacement Return Line Filter Introduction Removal Replacement Return Line Filter (High Flow) Introduction Removal Replacement Hydraulic Rams Precautions During Use Installation Caution During Use Maintenance, Inspection Points Removal and Replacement Introduction Loader Arm Lift Ram Removal Replacement Quickhitch Tilt Ram Removal Replacement Typical Ram Dismantling and Assembly Dismantling Assembly New Rod and Piston Head New Piston Head Fitted to a Pre-drilled Piston Rod New Piston Rod Fitted to a Pre-drilled Piston Head JCB Ram Sealing Procedure Service Procedures Hydraulic Contamination Hydraulic Fluid Quality Effects of Contamination Cleaning Operation Contaminant Standards Filters Quick Release Couplings Connecting and Disconnecting Smooth Ride System (SRS) Accumulator Charging and Discharging `Positional Type' Hydraulic Adaptors Fitting Procedure Hydraulics Pressure Testing Bleeding the System Push Lock Fittings (XDT) Fitting Procedure Rapid Assembly Hose Fittings Fitting Procedure ORFS Hose Connections Fitting Procedure Fault Finding Hydrostatic Transmission Machine veers to one side when travelling Loader Circuit Levelling Circuit
Section F - Transmission Technical Data General Data Transmission Pump (P1 and P2) Transmission Circuit Description General Circuit Descriptions No Drive Forwards Drive Reverse Drive Right Spin Turn High Speed Transmission Pumps Description General DA Control Valve Pump/Engine Coupling Removal and Replacement Removal Replacement Adjustment Low Pressure Valve (Charge Pressure) High Pressure (HP) Valves Mechanical Zero Position DA Control Dismantling and Assembly Drive Shaft Seal Control Piston Cover Seal Valve Seals Start-Up Procedure Drive Motors Description and Operation Description 2 Speed Operation (optional) Flushing Valve Operation Parking Brake Operation Removal and Replacement Removal Replacement Dismantling and Assembly Park Brake Motor - Wheeled Machines Motor - Tracked Machines Front Casing - Wheeled Machines Front Casing - Tracked Machines Rotating Assembly Rear Casing Flushing Valve Two Speed Spool Transmission Motor Operation Loop Flushing System Two Speed Operation (optional) Drain Line Screen Filter Adapter Replacment Drive Chains Removal and Replacement Removal Replacement Axle Hubs Wheel Hub Assembly Removal Replacement Dismantling Inspection Assembly Tyres and Wheels Roadwheels Removal Replacement
Section J - Tracks Basic System and Operation Description Running Gear Components Track Construction Track Serial Number Location and Production Date Tracks Removal and Replacement Removal Replacement Sprocket Removal and Replacement Removal Replacement Track Frame Assembly Removal and Replacement Removal Replacement Idler Wheels and Recoil Unit Front Idler Wheel and Recoil Unit Removal Replacement Dismantling and Assembly Rear Idler Wheel Removal Replacement Dismantling and Assembly Guide Roller Removal Replacement Dismantling and Assembly Track Damage Types of Rubber Track Damage Core Bars - Separation Core Bars - Breaking Core Bars - Fast Abrasion Core Bars - Oxidation (Rusting) Steel Cord - Breaking Steel Cord - Separation Steel Cord - Exposure Steel Cord - Sticking Out Outer Track Rubber - Tearing/Cuts Outer Track Rubber - Fast Abrasion Outer Track Rubber - Cracks Outer Track Rubber - Longitudinal Cracks Inner Track Rubber - Tearing/Cuts Inner Track Rubber - Cracks Miscellaneous - Not Engaging Correctly Miscellaneous - Detracking Track Repair Recommended Repair Procedures Additional Notes:
Section K - Engine Technical Data JCB 444 Series Specifications