The S300 is a high-flow skid-steer loader that spends its life lifting pallets, running augers, and pushing dirt in tight spots where I can barely swing a wrench. The people who reach for this service manual are the ones doing real repairs, not just greasing fittings. They want wiring pinouts, hydraulic test points, and step-by-step teardown so they don't waste a day on a wrong guess. If that sounds like what you're trying to do, this is the kind of book you're looking at.
What this manual helps you do
- Diagnose hydraulic and hydrostatic problems, then check pressures at the correct test ports with the right sequences.
- Trace electrical faults using wiring diagrams, connector views, and harness routing so you're not guessing in the mud.
- Follow step-by-step procedures to remove, rebuild, and reinstall drive motors, cylinders, and major loader components.
- Adjust controls, linkages, and Bob-Tach systems so the machine drives straight and attachments lock and release correctly.
- Verify engine-related repairs, from fuel and air systems to cooling and starting circuits, with proper test and inspection steps.
Who this is for
This is for anyone working on a Bobcat S300 loader in the 531211001-531299999 serial range: small contractors, owner-operators, shop mechanics, and field techs like me working out of a truck. If you only need how to run the machine or basic maintenance intervals, you want the operator's handbook instead.
FAQ
Q: Is this a searchable PDF, and can I zoom in on wiring diagrams?
A: These manuals are usually PDF and searchable, and the wiring diagrams are meant to be zoomed so you can read pin numbers on a laptop or tablet.
Q: My S300 serial number is outside 531211001-531299999. Will this still work?
A: No, you should match the manual to your exact serial range, or you'll risk wrong procedures and specs.
Q: I'm just changing fluids and filters. Do I need this?
A: Probably not. This is a workshop manual for diagnostics and major repairs, not routine service only.
Bottom line: If you're repairing or diagnosing an S300 in that serial range, this is the right service manual. If your serial doesn't match, skip it and find the correct one.
📘 Show Index
Table of Contents:
- MAINTENANCE SAFETY
- ALPHABETICAL INDEX
- CONTENTS
- FOREWORD
- SAFETY INSTRUCTIONS
- FIRE PREVENTION
- Maintenance
- Operation
- Electrical
- Hydraulic System
- Fueling
- Starting
- Spark Arrestor Exhaust System
- Welding And Grinding
- Fire Extinguishers
- SERIAL NUMBER LOCATION
- Loader Serial Number
- Engine Serial Number
- DELIVERY REPORT
- BOBCAT LOADER IDENTIFICATION
- SAFETY AND MAINTENANCE
- LIFTING AND BLOCKING THE LOADER
- LIFT ARM SUPPORT DEVICE
- OPERATOR CAB
- Description
- Raising
- Lowering
- Cab Door Sensor
- Special Applications Kit Inspection And Maintenance
- TRANSPORTING THE LOADER ON A TRAILER
- Loading And Unloading
- Fastening
- TOWING THE LOADER
- REMOTE START TOOL KIT-MEL1563
- Remote Start Tool – MEL1563
- Service Tool Harness Control – MEL1565
- Service Tool Harness Communicator – MEL1566
- Remote Start Procedure
- REMOTE START TOOL (SERVICE TOOL) KIT – 6689779
- Description
- Remote Start Tool (Service Tool) – 6689778
- Loader Service Tool Harness – 6689747
- Computer Service Tool Harness – 6689746
- Remote Start Procedure
- SERVICE SCHEDULE
- AIR CLEANER SERVICE
- Replacing Filter Elements
- ENGINE COOLING SYSTEM
- Cleaning
- Removing And Replacing Coolant
- Checking Level
- FUEL SYSTEM
- Fuel Specifications
- Biodiesel Blend Fuel
- Filling The Fuel Tank
- Fuel Filter
- Removing Air From The Fuel System
- ENGINE LUBRICATION SYSTEM
- Checking And Adding Engine Oil
- Engine Oil Chart
- Removing And Replacing Oil And Filter
- HYDRAULIC / HYDROSTATIC SYSTEM
- Checking And Adding Fluid
- Hydraulic / Hydrostatic Fluid Chart
- Removing And Replacing Hydraulic Fluid
- Removing And Replacing Hydraulic / Hydrostatic Filter
- Removing And Replacing Case Drain Filters
- Removing And Replacing Hydraulic Charge Filter
- Breather Cap
- FINAL DRIVE TRANSMISSION (CHAINCASE)
- Checking And Adding Oil
- Removing And Replacing Oil
- BOB-TACH (HAND LEVER)
- Inspection And Maintenance
- BOB-TACH (POWER)
- Inspection And Maintenance
- LUBRICATING THE LOADER
- TIRE MAINTENANCE
- Wheel Nuts
- Rotating
- Mounting
- SPARK ARRESTOR MUFFLER
- PIVOT PINS
- Inspection And Maintenance
- LOADER STORAGE AND RETURN TO SERVICE
- Storage
- Return to Service
- STOPPING THE ENGINE AND LEAVING THE LOADER
- HYDRAULIC SYSTEM
- HYDRAULIC / HYDROSTATIC SCHEMATICS
- HYDRAULIC SYSTEM INFORMATION
- Glossary Of Hydraulic / Hydrostatic Symbols
- Troubleshooting
- CYLINDER (LIFT)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (TILT)
- Testing
- Removal And Installation
- Base End Pivot Pin Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (BOB-TACH)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- MAIN RELIEF VALVE
- Description
- Testing
- Adjusting
- Removal And Installation
- HYDRAULIC CONTROL VALVE (STANDARD)
- Description
- Removal And Installation
- Identification Chart
- Mount Bracket Removal And Installation
- Lift Load Check Valve Removal And Installation
- Load Check Valve Removal And Installation (Tilt & Auxiliary)
- Anti-Cavitation Valve Removal And Installation (Lift, Rod End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End)
- Port Relief Valve Removal And Installation
- Plug Removal And Installation
- Rubber Boot Removal And Installation
- End Cap Block Removal And Installation
- Lift Spool And Detent Removal And Installation
- Tilt Spool Removal And Installation
- Auxiliary Spool Removal And Installation
- Auxiliary Solenoid Removal And Installation
- Solenoid Removal And Installation
- Lock Valve Removal And Installation
- Lift Arm By-Pass Orifice Removal And Installation
- Main Relief Valve Removal And Installation
- Check Valve Removal And Installation
- HYDRAULIC CONTROL VALVE (ACS) OR (SJC)
- Description
- Removal And Installation
- Actuator Removal And Installation (In Loader)
- Actuator Removal And Installation (Out Of Loader)
- Identification Chart
- Mount Bracket Removal And Installation
- Lift Load Check Valve Removal And Installation
- Load Check Valve Removal And Installation (Tilt & Auxiliary)
- Anti-Cavitation Valve Removal And Installation (Lift, Rod End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End)
- Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End)
- Port Relief Valve Removal And Installation
- Plug Removal And Installation
- End Cap Block Removal And Installation
- Lift Spool And Detent Removal And Installation
- Tilt Spool Removal And Installation
- Auxiliary Spool Removal And Installation
- Auxiliary Solenoid Removal And Installation
- Solenoid Removal And Installation
- Lock Valve Removal And Installation
- Lift Arm By-Pass Orifice Removal And Installation
- Main Relief Valve Removal And Installation
- Check Valve Removal And Installation
- LIFT ARM BYPASS CONTROL VALVE
- Description
- Testing
- Removal And Installation
- Disassembly And Assembly
- HYDRAULIC PUMP (STANDARD)
- Description
- Pump Test at Quick Couplers
- Direct Pump Test (Standard Section)
- Direct Pump Test (Charge Section)
- Removal And Installation
- Hydraulic Pump Start Up
- Parts Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (STANDARD) (HIGH FLOW)
- Description
- Pump Test At Quick Couplers
- Direct Pump Test (Standard Section)
- Direct Pump Test (Charge Section)
- Direct Pump Test (High Flow Section)
- High Flow Relief Valve Adjustment
- High Flow Relief Valve Removal And Installation
- Solenoid Removal And Installation
- Removal And Installation
- Hydraulic Pump Start Up
- Parts Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (SJC)
- Description
- Pump Test At Quick Couplers
- Direct Pump Test (Standard Section)
- Direct Pump Test (Charge Section)
- Removal And Installation
- Hydraulic Pump Start Up
- Parts Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (SJC) (HIGH FLOW)
- Description
- Pump Test At Quick Couplers
- Direct Pump Test (Standard Section)
- Direct Pump Test (Charge Section)
- Direct Pump Test (High Flow Section)
- High Flow Relief Valve Adjustment
- High Flow Relief Valve Removal And Installation
- Solenoid Removal And Installation
- Removal And Installation
- Hydraulic Pump Start Up
- Parts Identification
- Disassembly And Assembly
- HYDRAULIC/HYDROSTATIC FILTERS
- Description
- Housing Removal And Installation
- Charge Filter Housing Removal And Installation
- HYDRAULIC FLUID RESERVOIR
- Description
- Removal And Installation
- Hydraulic Fluid Screen
- OIL COOLER
- Description
- Removal And Installation
- BUCKET POSITION VALVE
- Description
- Solenoid Removal And Installation
- Solenoid Testing
- Removal And Installation
- Disassembly And Assembly
- REAR AUXILIARY DIVERTER VALVE
- Description
- Solenoid Testing
- Removal And Installation
- Disassembly And Assembly
- BOB-TACH (POWER) BLOCK
- Description
- Removal And Installation
- Disassembly And Assembly
- FRONT AUXILIARY HYDRAULIC COUPLER BLOCK
- Description
- Removal and Installation
- Disassembly And Assembly
- HYDROSTATIC SYSTEM
- HYDROSTATIC SYSTEM INFORMATION
- Troubleshooting
- Description
- HYDROSTATIC MOTOR
- Description
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- HYDROSTATIC MOTOR (TWO-SPEED)
- Description
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- HYDROSTATIC MOTOR CARRIER
- Description
- Removal and Installation
- Parts Identification
- Disassembly
- Assembly
- HYDROSTATIC MOTOR CARRIER (SJC)
- Description
- Removal and Installation
- Parts Identification
- Disassembly
- Assembly
- CHARGE PRESSURE
- Description
- Testing
- Sender Removal And Installation
- Adjusting
- HYDROSTATIC PUMP
- Description
- Removal And Installation
- Hydrostatic Pump Start Up
- Replenishing / High Pressure Relief Valve Removal And Installation
- Parts Identification (Left Half)
- Parts Identification (Right Half)
- Disassembly
- Assembly
- HYDROSTATIC PUMP (SJC)
- Description
- Hydraulic Controller Removal And Installation
- Removal And Installation
- Hydrostatic Pump Start Up
- Parts Identification
- High Pressure Relief And By-Pass Valve
- Charge Relief Valve
- Disassembly And Assembly
- Mechanical Neutral Adjustment
- Hydraulic Controller Neutral Adjustment
- DRIVE BELT
- Description
- Drive Belt Shield Removal And Installation
- Adjusting
- Belt Removal And Installation
- Tensioner Pulley Removal And Installation
- Tensioner Pulley Tension Spring Removal And Installation
- CASE DRAIN FILTER
- Description
- Disassembly And Assembly
- DRIVE SYSTEM
- BRAKE (S/N 530917348 & BELOW, 531012023 & BELOW, 531116712 & BELOW AND 531211918 & BELOW)
- Description
- Disc Removal And Installation
- BRAKE (S/N 530917349 & ABOVE, 531012024 & ABOVE, 531116713 & ABOVE AND 531211919 & ABOVE)
- Description
- Disc Removal And Installation
- BRAKE (TWO-SPEED)
- Description
- Block Removal And Installation
- Block Disassembly And Assembly
- DRIVE COMPONENTS
- Description
- Axle Seal Removal And Installation
- Axle, Sprocket And Bearings Removal And Installation
- Chain Removal And Installation
- CHAINCASE
- Description
- Front Cover Removal And Installation
- Center Cover Removal And Installation
- Rear Cover Removal And Installation
- MAIN FRAME
- SEAT BAR
- Description
- Removal And Installation
- Disassembly And Assembly
- Compression Spring Disassembly And Assembly
- OPERATOR CAB
- Gas Cylinder Removal And Installation
- Gas Cylinder Bracket Disassembly And Assembly
- Removal And Installation
- OPERATOR SEAT
- Removal And Installation
- Seat Belt Removal And Installation
- OPERATOR SEAT (SUSPENSION)
- Removal And Installation
- Slide Rail Removal And Installation
- Seat Belt Removal And Installation
- Cushion Removal And Installation
- Back Removal And Installation
- Shock Removal And Installation
- 3-Point Seat Belt Removal And Installation
- BOB-TACH (HAND LEVER)
- Description
- Removal And Installation
- Lever And Wedge Disassembly And Assembly
- Pivot Pin Bushing And Seal Removal And Installation
- BOB-TACH (POWER – OPTION)
- Description
- Removal And Installation
- Lever And Wedge Disassembly And Assembly
- Pivot Pin Bushing And Seal Removal And Installation
- LIFT ARMS
- Stabilizer Bar Removal And Installation
- Link Removal And Installation
- Removal And Installation
- REAR GRILL
- REAR DOOR
- Removal And Installation
- Striker Removal And Installation
- Striker Disassembly And Assembly
- Striker (Adjusting)
- Latch Removal And Installation
- FUEL TANK
- Removal And Installation
- Fuel Level Sender Removal And Installation
- Fuel Fill Screen Removal And Installation
- CONTROL PEDALS AND LINKAGES
- Description
- Pedal Removal And Installation
- Linkage Removal And Installation
- Pedal (Adjusting)
- CONTROL PEDALS (ACS)
- Description
- Foot Sensor Removal And Installation
- Foot Pedal Removal And Installation
- Foot Pedal Linkage Disassembly And Assembly
- CONTROL PANEL (S/N 531011925 & BELOW, 530917134 & BELOW, 531116513 & BELOW, AND 531211869 & BELOW)
- Description
- Removal And Installation
- Shock Removal And Installation
- Shaft Removal And Installation
- Shaft Disassembly And Assembly
- Linkage Removal And Installation
- Pintle Arm Disassembly and Assembly
- Linkage Neutral (Adjusting)
- Linkage Travel (Adjusting)
- CONTROL PANEL (S/N 531011926 & ABOVE, 530917135 & ABOVE, 531116514 & ABOVE, AND 531211870 & ABOVE)
- Description
- Removal And Installation
- Shock Removal And Installation
- Shaft Removal And Installation
- Linkage Removal And Installation
- Pintle Arm Disassembly and Assembly
- Linkage Neutral (Adjusting)
- Linkage Travel (Adjusting)
- CONTROL PANEL (S/N 531011925 & BELOW, 530917134 & BELOW, 531116513 & BELOW, AND 531211869 & BELOW) (SJC)
- Description
- Removal And Installation
- CONTROL PANEL (S/N 531011926 & ABOVE, 530917135 & ABOVE, 531116514 & ABOVE, AND 531211870 & ABOVE) (SJC)
- Description
- Removal And Installation
- CONTROL HANDLE / LEVER
- Description
- Lever Removal And Installation
- Boot Removal And Installation
- CONTROL HANDLE / LEVER (ACS)
- Description
- Handle Sensor Removal And Installation
- Handle Removal And Installation
- Handle Disassembly And Assembly
- Lever Removal And Installation
- Boot Removal And Installation
- JOYSTICK CONTROL
- Description (Earlier Models And Later Models)
- Testing (Earlier Models And Later Models)
- Removal And Installation (Earlier Models)
- Removal And Installation (Later Models)
- Boot Removal And Installation (Earlier Models)
- Joystick Mount Removal And Installation (Earlier Models)
- Joystick Mount Removal And Installation (Earlier Models) (Cont’d)
- Joystick Mount Removal And Installation (Later Models)
- ACCESS PANEL (INSIDE)
- Removal And Installation (Left)
- Removal And Installation (Right)
- ACCESS PANEL (INSIDE) (SJC)
- Removal And Installation (Left)
- Removal And Installation (Right)
- WINDOW (REAR)
- WINDOW (TOP)
- WINDOW (SIDE)
- WINDOW (FRONT DOOR)
- Removal (Standard Window)
- Installation (Standard Window)
- Removal And Installation (Special Applications Window)
- CAB DOOR
- Description
- Removal And Installation
- Aligning
- Adjusting
- Checking Operation
- ELECTRICAL SYSTEM & ANALYSIS
- ELECTRICAL SCHEMATICS
- ELECTRICAL SYSTEM INFORMATION
- Glossary Of Electrical Symbols
- Cab Harness Connectors
- Mainframe Harness Connectors
- Troubleshooting
- Description
- Fuse And Relay Location / Identification
- Solenoid Testing
- BATTERY
- Servicing
- Using A Booster Battery (Jump Starting)
- Removal And Installation
- ALTERNATOR
- Belt Adjustment
- Belt Replacement
- Charging System Inspection
- Alternator Voltage Testing
- Low Voltage Testing
- High Voltage Testing
- Removal And Installation
- Parts Identification
- STARTER
- Testing
- Removal And Installation
- Parts Identification
- INSTRUMENT PANELS
- Left Panel
- Right Panel (Key Switch)
- Right Panel (Keyless)
- Side And Front Panels
- Removal And Installation (Left And Right)
- Bulb Removal And Installation (Left Only)
- Key Switch Removal And Installation
- Alarm Removal And Installation
- Front Panel Removal And Installation
- LIGHTS
- Front Removal And Installation
- Rear Removal And Installation
- Cab Light Removal And Installation
- BOBCAT CONTROLLER (MAIN)
- Description
- Connector Identification
- Removal And Installation
- BOBCAT CONTROLLER (ACS)
- Description
- Connector And Wire Identification
- Removal And Installation
- BOBCAT CONTROLLER (SJC) (DRIVE)
- Description
- Connector Identification
- Removal And Installation
- SPEED SENSOR (SJC)
- Description
- Testing
- Removal And Installation
- DIAGNOSTIC SERVICE CODES
- Viewing Service Codes (Key Switch)
- Viewing Service Codes (Keyless)
- Service Codes List
- BOBCAT INTERLOCK CONTROL SYSTEM (BICS)
- Description
- Inspecting The BICS Controller (Engine Stopped – Key ON)
- Inspecting Deactivation Of The Auxiliary Hydraulics System (Engine STOPPED – Key ON)
- Inspecting The Seat Bar Sensor (Engine RUNNING)
- Inspecting The Traction Lock (Engine RUNNING)
- Inspecting The Lift Arm Bypass Control
- Inspecting Deactivation Of Lift And Tilt Functions (ACS and SJC)
- Troubleshooting
- Troubleshooting Chart
- SEAT BAR SENSOR
- Description
- Troubleshooting
- Testing
- Removal And Installation
- Bobcat Interlock Control System (BICS) Circuit Test
- TRACTION LOCK
- Description
- Troubleshooting
- Removal And Installation (Single Speed)
- Inspecting (Single and Two Speed)
- CONTROL SYSTEM (ACS)
- Description
- Troubleshooting Chart
- Handle Sensor Connector Disassembly And Assembly
- Switch Handle Removal
- Switch Handle Installation
- Actuator Connector Disassembly And Assembly
- Handle Lock Solenoid Removal And Installation
- Handle Lock Solenoid Disassembly And Assembly
- Foot Sensor Disassembly And Assembly
- Foot Lock Solenoid Removal And Installation
- ELECTRICAL / HYDRAULIC CONTROLS
- ELECTRICAL / HYDRAULIC CONTROLS (SJC)
- SERVICE PC (LAPTOP COMPUTER)
- Connecting Remote Start Tool
- Connecting Remote Start Tool (Service Tool)
- CALIBRATION
- Description
- Actuator Testing
- Lift And Tilt Calibration (ACS)
- Lift And Tilt Calibration (SJC)
- Hydrostatic Pump Calibration (SJC)
- STEERING DRIFT COMPENSATION
- Description
- Selecting And Adjusting
- Exiting And Saving
- FLYWHEEL RPM SENSOR
- CONTROL PANEL SETUP
- Right Panel Setup (Keyless)
- Attachment Control Information (Keyless)
- PASSWORD SETUP (IF EQUIPPED WITH KEYLESS START)
- Password Description
- Changing The Owner Password
- Changing The User Passwords
- Password Lockout Feature
- MAINTENANCE CLOCK
- BACK-UP ALARM SYSTEM
- Description
- Inspecting
- Adjusting Switch Position
- Troubleshooting (Standard And ACS)
- Troubleshooting (Joystick)
- Alarm Removal And Installation
- Switch Removal And Installation
- ENGINE SERVICE
- ENGINE INFORMATION
- Description
- Specifications
- Torque Values
- Troubleshooting
- Engine Removal And Installation
- Engine Mount Replacement
- Compression -Checking
- ENGINE SPEED CONTROL
- Removal And Installation
- Cable Removal And Installation
- ENGINE SPEED CONTROL (SJC)
- Removal And Installation
- Disassembly And Assembly
- Speed Control Cable Removal And Installation
- MUFFLER
- AIR CLEANER
- Housing Removal And Installation
- ENGINE COOLING SYSTEM
- Radiator Removal And Installation (S/N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Radiator Removal And Installation (S/N 530915316 & Above, 531011743 & Above, 531115051 & Above, 531211661 & Above)
- Radiator Mount Removal And Installation
- Hydraulic Fan Motor Description (S/N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Blower Housing Removal And Installation (S/N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Fan Removal And Installation (S/N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Hydraulic Fan Motor Removal And Installation (S/N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Hydraulic Fan Motor Disassembly And Assembly (S/ N 530915315 & Below, 531011742 & Below, 531115050 & Below, 531211660 & Below)
- Hydraulic Fan Motor Description (S/N 530915316 – 530940000, 531011743 – 531040000, 531115051 – 531140000, 531211661 – 531240000)
- Axial Fan Housing Removal And Installation (S/N 530915316 – 530940000, 531011743 – 531040000, 531115051 – 531140000, & 531211661 – 531240000)
- Axial Fan Removal And Installation (S/N 530915316 – 530940000, 531011743 – 531040000, 531115051 – 531140000, & 531211661 – 531240000)
- Hydraulic Fan Motor Removal And Installation (S/N 530915316 – 530940000, 531011743 – 531040000, 531115051 – 531140000, & 531211661 – 531240000)
- Hydraulic Fan Motor Disassembly And Assembly (S/ N 530915316 – 530940000, 531011743 – 531040000, 531115051 – 531140000, & 531211661 – 531240000)
- Hydraulic Fan Motor Description (S/N 530940001 & Above, 531040001 & Above, 531140001 & Above, 531240001 & Above)
- Axial Fan Housing Removal And Installation (S/N 530940001 & Above, 531040001 & Above, 531140001 & Above, 531240001 & Above)
- Axial Fan Removal And Installation (S/N 530940001 & Above, 531040001 & Above, 531140001 & Above, 531240001 & Above)
- Hydraulic Fan Motor Removal And Installation (S/N 530940001 & Above, 531040001 & Above, 531140001 & Above, 531240001 & Above)
- Hydraulic Fan Motor Disassembly And Assembly (S/ N 530940001 & Above, 531040001 & Above, 531140001 & Above, 531240001 & Above)
- Water Pump Removal And Installation
- Water Pump Disassembly And Assembly
- Thermostat Housing Removal And Installation
- LUBRICATION SYSTEM
- Oil Pan Removal And Installation
- Oil Pump Removal And Installation
- Oil Pump Inspection
- Oil Filter Cooler Removal And Installation
- Engine Oil Pressure – Testing
- FUEL SYSTEM
- Fuel Camshaft Removal And Installation
- Injection Pump Governor Housing Removal And Installation
- Injection Pump Governor Housing Disassembly And Assembly
- Fuel Shutoff Solenoid – Checking
- Fuel Shutoff Solenoid – Removal And Installation
- Fuel Injection Pump Removal And Installation
- Fuel Injection Pump Housing Removal
- Fuel Injection Pump Housing Installation
- Injection Pump Timing
- Fuel Injector Removal and Installation
- Fuel Injector Nozzle Pressure – Checking
- Nozzle Spraying Condition
- Valve Seat Tightness
- CYLINDER HEAD
- Intake Air Heater – Testing
- Intake Air Heater Removal And Installation
- Valve Clearance Adjustment
- Valve Timing – Checking
- Cylinder Head Removal And Installation
- Cylinder Head Disassembly And Assembly
- Cylinder Head – Servicing
- Cylinder Head Top Clearance
- Valve Guide – Checking
- Reconditioning The Valve And Valve Seat
- Valve Spring
- Valve Tappets
- Rocker Arm And Shaft – Checking
- CRANKSHAFT AND PISTONS
- Piston And Connecting Rod Removal And Installation
- Piston And Connecting Rod – Servicing
- Cylinder Bore Checking
- Connecting Rod Alignment
- Crankshaft Gear Removal And Installation
- Crankshaft And Bearings Removal and Installation
- Crankshaft And Bearings – Servicing
- CAMSHAFT AND TIMING GEArS
- Timing Gearcase Cover Removal And Installation
- Timing Gears Backlash – Checking
- Camshaft – Servicing
- Idle Gear And Shaft Removal And Installation
- Idler Gear And Shaft – Servicing
- TURBOCHARGER
- Description
- Testing
- Removal And Installation
- FLYWHEEL AND HOUSING
- Flywheel Removal And Installation
- Ring Gear Removal And Installation
- Housing Removal And Installation
- HEATING, VENTILATION, AIR CONDITIONING
- AIR CONDITIONING SYSTEM FLOW
- Description
- Chart
- Components
- Safety Equipment
- REGULAR MAINTENANCE
- Filter Elements Removal And Installation
- Compressor Drive Belt Inspection
- Condenser
- Air Conditioning Lubrication
- Air Conditioning Service Chart
- A/C Evaporator Coil & Heater Coil
- TROUBLESHOOTING
- Blower Motor Does Not Operate
- Blower Motor Operates Normally, But Air Flow Is Insufficient
- Insufficient Cooling Although Air Flow And Compressor Operation Are Normal
- The Compressor Does Not Operate At All, Or Operates Improperly
- Gauge Pressure Related Troubleshooting
- Troubleshooting Tree
- Temperature / Pressure Chart
- Poor A/C Performance
- HVAC Repair And Leaks
- Electrical System
- Engine Coolant By-Passing The Heater Valve
- Heater Valve Not Opening Or Closing
- SYSTEM CHARGING AND RECLAMATION
- Refrigerant Identification
- Reclamation And Charging With Recovery / Charging Unit
- Charging With A Manifold Gauge Set
- COMPRESSOR
- Belt Adjustment
- Removal And Installation
- Oil
- Oil Check
- Clutch Disassembly And Assembly
- CONDENSER
- RECEIVER / DRIER
- Receiver / Drier Removal And Installation
- Pressure Relief Valve Removal And Installation
- Pressure Switch Removal And Installation
- Schraeder Valve Removal And Installation
- EVAPORATOR / HEATER UNIT
- THERMOSTAT
- EXPANSION VALVE
- EVAPORATOR
- HEATER COIL
- Removal And Installation With A/C
- Removal And Installation Without A/C
- BLOWER FAN
- Removal And Installation
- Disassembly And Assembly
- Connector Identification
- HEATER VALVE
- Removal and Installation
- Disassembly And Assembly
- SPECIFICATIONS
- (S250) LOADER SPECIFICATIONS
- Dimensions
- Performance
- Controls
- Engine
- Hydraulic System
- Electrical
- Drive System
- Capacities
- Tires
- (S300) LOADER SPECIFICATIONS
- Dimensions
- Performance
- Controls
- Engine
- Hydraulic System
- Electrical
- Drive System
- Capacities
- Tires
- 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
- Flare Fitting
- Port Seal Fitting
- HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS
- CONVERSIONS
- Decimal And Millimeter Equivalents
- U.S. To Metric Conversion Chart
- SERVICE MANUAL REVISION
- Revision No: S250 / S300 – 1
- Revision No: S250 / S300 – 2
- Revision No: S250 / S300 – 3
- Revision No: S250 / S300 – 4
- Revision No: S250 / S300 – 5
- Revision No: S250 / S300 – 6
- Revision No: S250 / S300 – 7
- Revision No: S250 / S300 – 8
- Revision No: S250 / S300 – 9
- Revision No: S250 / S300 – 10
- Revision No: S250 / S300 – 11
Bobcat Software
Bobcat PDF Manuals
