JCB 225, 225T, 260, 260T, 280, 300, 300T, 320T, 330 Large Platform Skid Steer Service Manual
497 pages · Publication 9803-9950-3
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What's inside
From the manual's own table of contents: 4 sections, 320 entries. See sample pages (PDF, 472 KB)
General74 topics
- 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
- Zinc Plated Fasteners and Dacromet Fasteners
- Introduction
- Bolts and Screws
- Hydraulic Connections
- O' Ring Face Seal System
- Numerical List
- Tool Detail Reference
- Section B - Frame and Bodywork
- Section C - Electrics
- Section E - Hydraulics
- Section K - Engine
- Sealing and Retaining Compounds
- Important Information
- The Operator Manual
- Safety Warnings
- Safety Check List
- Safety - Yours and Others
- General Safety
- Operating Safety
- Maintenance Safety
- Service Requirements
- Owner/Operator Support
- Service/Maintenance Agreements
- Fit for Purpose Tests for Lifting Equipment
- Obtaining Replacement Parts
- Health and Safety
- Lubricants
- Battery
- Service Schedules
- 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
- 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
- Preparing the Machine for Cleaning
- 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
- Preparing the Machine for Greasing
- Every 50 Hours
- Access Panels
- Rear Door
- Engine Top Cover
- Heater and Air Conditioning (option)
- Changing the Intake Filter
- Changing the Re-circulation Filter
Section 3 - Maintenance106 topics
- Electrical System
- Jump Starting the Engine
- Fuses and Relays
- Battery Isolator (Option)
- Engine
- Oil and Filters
- Cooling system
- Alternator Belt
- Engine Air Filter
- Engine Exhaust
- Fuel System
- Draining the Primary Water Separator and Engine Fuel Filter
- Changing the Primary Water Separator Filter
- Fuel Filter
- Hydraulic System
- Releasing the Auxiliary Hydraulic Pressure
- 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
- Attachments For Your Machine
- Impact Protection
- Connecting/Disconnecting Hydraulic Hoses
- 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
- Bucket
- 6-in-1 Shovel
- Grapple Bucket
- Operation
- Maintenance
- Storage
- Pallet Forks
- Road Travel
- Manure/Silage Fork with Top Grab
- Preparing for Travel
- Snow Blade
- Rivet Nuts
- Fitting Procedure
- Slide Hammer Kit
- Glazing
- Direct Glazing
- Removal and Replacement
- Removal
- Replacement
- Stop Pad Adjustment
- Locks and Handles
- Rear Demolition Guard
- General Description
- System Overview
- Charging / Commissioning Procedures
- General Electrical Data
- Light Bulbs
- Using a Multimeter
- Measuring DC Voltage
- Measuring Resistance
- Measuring Continuity
- Measuring Frequency
- Testing a Diode or a Diode Wire
- Testing
- Specific Gravity Testing
- Alternator
- Service Precautions
- Charging Circuit Test
- Alternator Charging Test
- Starter Motor
- Starting Circuit Test
- Wire and Harness Number Identification
- Wire Numbers and Functions
- Wiring Harness Repair
- Repair Procedure
- Technical Data
- General
- FM Tuner
- AM Tuner
- Weather Band
- Amplifier
- Wiring Diagram
- Description and Operation
- Description
- Fault Codes
- Installation
- Schematics
- Components
- Diagrams
Section C - Electrics42 topics
- Drawings and Interconnection
- Cab Harness
- Cab Harness - Multifunction
- Chassis Harness
- Chassis Harness - Multifunction
- Windscreen Washer Harness
- Engine Harness
- Front Wash Wipe Harness
- Rear Wash Wipe Harness
- Machine Error Codes
- Removal, Inspection and Replacement
- Dismantle and Assemble
- Renewing the Voltage Regulator and Brushes
- Renewing the Drive Pulley
- Renewing the Brush Gear
- Renewing the Starter Solenoid
- Reverse Alarm
- Work Light Mounting Brackets
- Work Light Assemblies
- Road Light Assemblies
- Removal and Installation
- 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
- Introduction to Hydraulic Schematic Symbols
- General (Basic and Functional Symbols)
- Control Valves
- Example of Schematic Circuit
- Standard and High-flow Servo Machines
- Component Key
- Smooth Ride System Valve
- Combination Valve
Section E - Hydraulics70 topics
- Dismantling and Assembly
- Shaft Seal Replacement
- Hydraulic Fan Motor
- Precautions During Use
- Caution During Use
- Maintenance, Inspection Points
- Removal and Replacement - Vertical Lift
- Loader Arm Lift Ram - Vertical Lift
- Quickhitch Tilt Ram - Vertical Lift
- Removal and Replacement - Radial Lift
- Loader Arm Lift Ram - Radial Lift
- Quickhitch Tilt Ram - Radial Lift
- Typical Ram
- 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
- Hydraulic Contamination
- Hydraulic Fluid Quality
- Effects of Contamination
- Cleaning Operation
- Contaminant Standards
- Filters
- Connecting and Disconnecting
- Smooth Ride System (SRS) Accumulator
- Charging and Discharging
- `Positional Type' Hydraulic Adaptors
- Hydraulics
- Pressure Testing
- Bleeding the System
- Push Lock Fittings (XDT)
- Rapid Assembly Hose Fittings
- ORFS Hose Connections
- Hydrostatic Transmission
- Machine veers to one side when travelling
- Loader Circuit
- Levelling Circuit
- Transmission Pump (P1 and P2)
- Circuit Descriptions
- No Drive
- Forwards Drive
- Reverse Drive
- Right Spin Turn
- High Speed
- DA Control Valve
- Pump/Engine Coupling
- Adjustment
- Low Pressure Valve (Charge Pressure)
- High Pressure (HP) Valves
- Mechanical Zero Position
- DA Control
- Drive Shaft Seal
- Control Piston Cover Seal
- Valve Seals
- Start-Up Procedure
- Cold Start Transmission Aid
- Flushing Valve
- Speed Operation (optional)
- Flushing Valve Operation
- Parking Brake Operation
- Park Brake
- Motor - Wheeled Machines
- Motor - Tracked Machines
- Front Casing - Wheeled Machines
- Front Casing - Tracked Machines
- Rotating Assembly
- Rear Casing
- Two Speed Spool
Section F - Transmission24 topics
- Transmission Motor Operation
- Loop Flushing System
- Two Speed Operation (optional)
- Replacment
- Wheel Hub Assembly
- Inspection
- Roadwheels
- Running Gear Components
- Track Construction
- Track Serial Number Location and Production Date
- Front Idler Wheel and Recoil Unit
- Rear Idler Wheel
- Guide Roller
- Types of Rubber Track Damage
- Core Bars - Separation
- Core Bars - Breaking
- Core Bars - Oxidation (Rusting)
- Steel Cord - Exposure
- Steel Cord - Sticking Out
- Outer Track Rubber - Tearing/Cuts
- Outer Track Rubber - Fast Abrasion
- Outer Track Rubber - Cracks
- Inner Track Rubber - Tearing/Cuts
- Miscellaneous - De-tracking
Inside this manual
Real pages from this service manual (497 pages). Open the sample pages (PDF, 471 KB)
- Specifications, page 29: Section 1 - General Information
- Diagram, page 246: Section C - Electrics
- Troubleshooting, page 288: Section C - Electrics
- Color page: Section B - Body and Framework
- Color page: Section J - Tracks
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 497 pages
Quantity one is the manual described above.
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).