On a real job, an S300 is loading trucks, running forks, and shuttling pallets all day in tight spaces. The people who reach for this service manual are the ones under the cab with oil on their hands, not the operator in the seat. They're trying to find torque specs, hydraulic test points, wiring info, and step-by-step tear-down instructions so the machine goes back to work instead of sitting dead in the yard waiting on a guess.
What this manual helps you do
- Diagnose no-drive or weak-drive by checking hydrostatic and charge circuits with test ports and pressure checks
- Trace electrical faults with wiring diagrams when you've got no start, dead lights, or warning codes on the panel
- Follow step sequences to pull the cab, remove the pump, or swap a drive motor without breaking extra fittings
- Rebuild and reseal cylinders, control valves, and Bob-Tach components with exploded views and assembly order
- Adjust linkages, controls, and safety interlocks after parts replacement so the loader operates correctly and safely
Who this is for
This specific manual is for anyone working on a Bobcat S300 loader in the serial range 521611001 to 521699999, whether you're a small contractor, owner-operator, rental fleet, or field tech like me working out of a truck. If you only need basic controls, capacities, and daily checks, you want the operator's handbook instead, not this manual.
FAQ
Q: Is this a searchable PDF and are the wiring diagrams readable?
A: These manuals are usually supplied as searchable PDFs, and the wiring diagrams are laid out so you can zoom in and read pin numbers and wire colors.
Q: How do I know if it fits my exact S300?
A: Check your machine's serial plate. If your S300 serial number falls between 521611001 and 521699999, this is the right book.
Q: Is this the right document if I'm doing real repairs, not just maintenance?
A: Yes. This is the workshop-level service manual, meant for diagnostic work, component removal, and rebuilds, not just fluid changes.
Bottom line: If your S300's serial number is in that range and you're doing your own repairs or directing a tech, this is the manual you want on hand.
📘 Show Index
Table of Contents:
- MAINTENANCE SAFETY
- ALPHABETICAL INDEX
- CONTENTS
- FOREWORD
- SAFETY INSTRUCTIONS
- 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
- Installing The Lift Arm Support Device
- Removing The Lift Arm Support Device
- OPERATOR CAB
- Description
- Raising The Operator Cab
- Lowering The Operator Cab
- Emergency Exit
- TRANSPORTING THE BOBCAT LOADER
- TOWING THE LOADER
- Procedure For Non-Two-Speeds
- REMOTE START
- Procedure For Loader W/O Attachments Control Harness
- Procedure For Loader With Attachments Control Harness
- Procedure
- SERVICE SCHEDULE
- AIR CLEANER SERVICE
- ENGINE COOLING SYSTEM
- FUEL SYSTEM
- Fuel Specifications
- Filling The Fuel Tank
- Fuel Filter
- Removing Air From The Fuel System
- ENGINE LUBRICATION SYSTEM
- Checking Engine Oil
- Oil Chart
- Replacing Oil And Filter
- HYDRAULIC/HYDROSTATIC SYSTEM
- Checking And Adding Fluid
- Hydraulic/Hydrostatic Filter Replacement
- Replacing Hydraulic Fluid And Case Drain Filters
- FINAL DRIVE TRANSMISSION (CHAINCASE)
- Checking And Adding Oil
- Replacing The Oil
- FAN GEARBOX
- BOB-TACH
- Inspection And Maintenance
- POWER BOB-TACH
- Inspection And Maintenance
- LUBRICATING THE LOADER
- TIRE MAINTENANCE
- Wheel Nuts
- Tire Rotation
- Tire Mounting
- HYDRAULIC SYSTEM
- HYDRAULIC/HYDROSTATIC SCHEMATICS
- HYDRAULIC SYSTEM INFORMATION
- Troubleshooting
- Tightening Procedure
- CYLINDER (LIFT)
- Checking
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (TILT)
- Checking
- Removal And Installation
- Base Pin Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (POWER BOB-TACH)
- Checking
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- MAIN RELIEF VALVE (FOOT CONTROL)
- Checking The Main Relief Valve At Front Aux. Hyd.
- Removal And Installation
- Adjustment
- MAIN RELIEF VALVE (ACS)
- Checking The Main Relief Valve At Front Aux. Hyd.
- Removal And Installation
- Adjustment
- MAIN RELIEF VALVE (SELECTABLE JOYSTICK CONTROL) (SJC)
- Checking The Main Relief Valve At Front Auxiliary Hydraulics
- Removal and Installation
- Adjustment
- HYDRAULIC CONTROL VALVE (FOOT CONTROL)
- Removal And Installation
- BICS™ Valve, Removal And Installation
- BICS™ Valve, Lift Arm By-Pass Orifice Removal And Installation
- BICS™ Valve, Check Valve Removal And Installation
- Backslide, Lock Valve Removal And Installation
- BICS™ Valve, Solenoid Removal And Installation
- BICS™ Valve, Solenoid Testing
- Identification Chart
- Load Check Valve
- Main Relief Valve
- Port Relief Valve, Tilt Spool
- Port Relief Valve, Lift Spool
- Anti-Cavitation Valve/Port Relief Valve, Tilt Spool
- Anti-Cavitation Valve, Lift Spool
- Rubber Boot
- Lift And Tilt Lock Block
- Lift Spool And Detent Removal
- Lift Spool And Detent Disassembly
- Lift Spool And Detent Assembly
- Lift Spool And Detent Installation
- Tilt Spool Removal And Installation
- Tilt Spool Disassembly And Assembly
- Auxiliary Spool Removal And Installation
- Auxiliary Plug Removal And Installation
- Auxiliary Electric Solenoid Disassembly
- Port-Auxiliary Section Removal And Installation
- Cleaning And Inspection
- HYDRAULIC CONTROL VALVE (ADVANCED CONTROL SYSTEM) (ACS)
- Actuator Removal And Installation (In Loader)
- Actuator Removal And Installation (Out Of Loader)
- Removal And Installation
- BICS™ Valve, Removal And Installation
- BICS™ Valve, Lift Arm By-Pass Orifice Disassembly And Assembly
- BICS™ Valve, Check Valve Disassembly And Assembly
- BICS™ Valve, Lock Valve Disassembly And Assembly
- BICS™ Valve, Solenoid Disassembly And Assembly
- BICS™ Valve, Solenoid Testing
- Identification Chart
- Lift Base End Restrictor
- Load Check Valve
- Main Relief Valve
- Port Relief Valve
- Anti-Cavitation Valve/Port Relief Valve
- Anti-Cavitation Valve
- Lift Spool Removal
- Lift Spool Removal And Installation
- Lift and Tilt Spool Disassembly And Assembly
- Auxiliary Spool Removal And Installation
- Auxiliary Electric Solenoid Disassembly
- Port-Auxiliary Section Disassembly
- Cleaning And Inspection
- HYDRAULIC CONTROL VALVE (SELECTABLE JOYSTICK CONTROL) (SJC)
- Actuator Removal And Installation (In Loader)
- Actuator Removal And Installation (Out Of Loader)
- Removal And Installation
- BICS™ Valve, Removal And Installation
- BICS™ Valve, Lift Arm By-Pass Orifice Disassembly And Assembly
- BICS™ Valve, Check Valve Disassembly And Assembly
- BICS™ Valve, Lock Valve Disassembly And Assembly
- BICS™ Valve, Solenoid Disassembly And Assembly
- BICS™ Valve, Solenoid Testing
- Identification Chart
- Lift Base End Restrictor
- Load Check Valve
- Main Relief Valve
- Port Relief Valve
- Anti-Cavitation Valve/Port Relief Valve
- Anti-Cavitation Valve
- Lift Spool Removal
- Lift Spool Removal And Installation
- Lift and Tilt Spool Disassembly And Assembly
- Auxiliary Spool Removal And Installation
- Auxiliary Electric Solenoid Disassembly
- Port-Auxiliary Section Disassembly
- Cleaning And Inspection
- LIFT ARM BY-PASS CONTROL VALVE
- Inspecting
- Additional Inspection For Loaders W/Advanced Hand Controls
- Removal And Installation
- Disassembly And Assembly
- HYDRAULIC PUMP (BOBCAT P/N 6678224, 6681596) (VENDOR P/N 163D1185, 163D1301)
- Check The Output Of The Hydraulic Pump W/O Power Bob-Tach
- Check The Output Of The Hydraulic Pump W/Power Bob-Tach.
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (HI FLOW) (BOBCAT P/N 6680295, 6681600) (VENDOR P/N 163D1275, 163D1304)
- Hydraulic Pump Test
- Inline Hydraulic Pump Test (Standard)
- Inline Hydraulic Pump Test (High Flow)
- High Flow Relief Adjustment Procedure
- High Flow Relief Valve Removal and Installation
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (BOBCAT P/N 6683236) (VENDOR P/N 163D1298)
- Check The Output Of The Hydraulic Pump
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (CHARGE)
- Check The Output Of The Hydraulic Pump
- HYDRAULIC PUMP (HI FLOW) (BOBCAT P/N 6683237) (VENDOR P/N 163D1299)
- Hydraulic Pump Test
- Inline Hydraulic Pump Test (Standard)
- Inline Hydraulic Pump Test (High Flow)
- High Flow Relief Adjustment Procedure
- High Flow Relief Valve Removal and Installation
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (HI FLOW) (BOBCAT P/N 6684635) (VENDOR P/N 163D1372)
- Hydraulic Pump Test
- Inline Hydraulic Pump Test (Standard)
- Inline Hydraulic Pump Test (High Flow)
- High Flow Relief Adjustment Procedure
- High Flow Relief Valve Removal and Installation
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (SELECTABLE JOYSTICK CONTROL) (SJC) (BOBCAT P/N 6684386) (VENDOR P/N 163D1357)
- Check The Output Of The Hydraulic Pump
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC PUMP (HI FLOW) (SELECTABLE JOYSTICK CONTROL) (SJC) (BOBCAT P/N 6684387) (VENDOR P/N 163D1358)
- Hydraulic Pump Test
- Inline Hydraulic Pump Test (Standard)
- Inline Hydraulic Pump Test (High Flow)
- High Flow Relief Adjustment Procedure
- High Flow Relief Valve Removal and Installation
- Removal And Installation
- Identification
- Disassembly And Assembly
- HYDRAULIC/HYDROSTATIC FILTER
- Housing Removal And Installation
- Mount Removal And Installation
- HYDRAULIC FLUID RESERVOIR
- Fluid Removal
- Removal And Installation
- Hydraulic Fluid Screen
- BUCKET POSITION VALVE
- Solenoid Removal And Installation
- Solenoid Testing
- Removal And Installation
- Disassembly And Assembly
- REAR AUXILIARY DIVERTER VALVE (EARLY MODELS)
- REAR AUXILIARY DIVERTER VALVE (EARLY MODELS) (CONT’D)
- REAR AUXILIARY DIVERTER VALVE (EARLY MODELS) (CONT’D)
- Disassembly and Assembly
- Inspection
- Solenoid Testing
- Assembly
- REAR AUXILIARY DIVERTER (LATER MOTELS)
- Removal and Installation
- Disassembly And Assembly
- Solenoid Testing
- Inspection
- POWER BOB-TACH BLOCK (EARLY MODELS)
- Removal And Installation
- Disassembly And Assembly
- POWER BOB-TACH BLOCK (LATER MODELS)
- Removal And Installation
- Disassembly And Assembly
- FRONT AUXILIARY HYDRAULIC COUPLER BLOCK
- Removal and Installation
- Disassembly And Assembly
- HYDROSTATIC SYSTEM
- HYDROSTATIC SYSTEM INFORMATION
- Troubleshooting
- Replenishing Valve Function
- HYDROSTATIC MOTOR
- Removal And Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- HYDROSTATIC MOTOR (TWO-SPEED)
- Removal And Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- HYDROSTATIC MOTOR CARRIER
- Removal and Installation
- Parts Identification
- Disassembly
- Assembly
- HYDROSTATIC MOTOR CARRIER (SELECTABLE JOYSTICK CONTROL) (SJC)
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CHARGE PRESSURE
- Sender Removal And Installation
- HYDROSTATIC PUMP (S250 S/N 521313912 & BELOW) (S300 S/N 521512099 & BELOW)
- Replenishing/High Pressure Relief Valve
- Charge Pressure Relief Valve
- Removal And Installation
- Parts Identification (Right Half)
- Parts Identification (Left Half)
- Hydraulic Pump Removal
- Disassembly
- Assembly
- HYDROSTATIC PUMP (S250 S/N 521313913 & ABOVE) (S300 S/N 521512100 & ABOVE)
- Removal And Installation
- Replenishing/High Pressure Relief Valve
- Parts Identification (Right Half)
- Parts Identification (Left Half)
- Hydraulic Pump Removal And Installation
- Pump Separation
- Disassembly
- Assembly
- HYDROSTATIC PUMP (SELECTABLE JOYSTICK CONTROL) (SJC)
- Pump Controller Removal And Installation
- Hydrostatic Pump Calibration
- Removal And Installation
- Parts Identification (Right Half)
- Parts Identification (Left Half)
- System Check Relief Valves (High Pressure Relief, Charge Check & By-Pass Valve)
- Charge Relief Valve
- Pump Separation
- Shaft Seal And Shaft Replacement
- Shaft Seal And Shaft Installation
- Charge Pump Removal
- Charge Pump Inspection
- Charge Pump Installation
- Disassembly
- Inspection
- Assembly
- Pump Neutral Adjustment
- Pump Controller Neutral Adjustment
- DRIVE BELT
- Shield Removal And Installation
- Adjustment
- Replacement
- Tensioner Pulley Removal And Installation
- Tensioner Pulley Tension Spring
- OIL COOLER (SEAL TO CONNECT) (STC)
- Hydraulic Oil Cooler Removal and Installation
- OIL COOLER (SEAL TO CONNECT) (STC) (CONT’D)
- Hydraulic Oil Cooler Removal and Installation (Cont,d)
- DRIVE SYSTEM
- BRAKE
- Disc Removal And Installation
- BRAKE (TWO-SPEED)
- Block Removal And Installation
- Block Disassembly And Assembly
- DRIVE COMPONENTS
- Axle Seal Removal And Installation
- Axle, Sprocket And Bearings Removal And Installation
- Drive Chain Removal And Installation
- CHAINCASE
- Front Chaincase Cover Removal And Installation
- Rear Chaincase Cover Removal And Installation
- MAIN FRAME
- SEAT BAR
- Removal And Installation
- Assembling Components
- Compression Spring Disassembly And Assembly
- OPERATOR CAB
- Gas Cylinder Removal And Installation (Early Models)
- Gas Cylinder Removal And Installation (Later Models)
- 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
- Cushion Removal And Installation
- Back Removal And Installation
- Shock Removal And Installation
- BOB-TACH
- Removal And Installation
- Bob-Tach Lever And Wedge
- POWER BOB-TACH
- Removal And Installation
- Power Bob-Tach Lever And Wedge
- Pivot Pin Bushing And Seal Replacement
- LIFT ARMS
- Stabilizer Bar Removal And Installation
- Link Removal And Installation
- Removal And Installation
- Installation Of Lift Arms
- REAR GRILL
- REAR DOOR
- Removal And Installation
- Adjusting The Rear Door Latch
- FUEL TANK
- Removal And Installation
- Fuel Level Sender
- CONTROL PEDALS
- Removal And Installation
- Pedal Adjustment
- CONTROL PEDALS (ACS)
- Foot Sensor Removal And Installation
- Foot Pedal Removal And Installation
- Foot Pedal Linkage Disassembly And Assembly
- CONTROL PANEL
- Removal And Installation
- Shock Removal And Installation
- Shaft Removal And Installation
- Shaft Disassembly And Assembly
- Linkage Removal And Installation
- Linkage Neutral Adjustment
- CONTROL PANEL (SELECTABLE JOYSTICK CONTROL) (SJC)
- CONTROL HANDLE
- Lever Removal And Installation
- Steering Lever Boot
- CONTROL HANDLE (ADVANCED CONTROL SYSTEM) (ACS) SELECTABLE HAND/FOOT CONTROL
- Components Identification
- Handle Sensor Removal And Installation
- Control Handle Removal And Installation
- Control Handle Disassembly And Assembly
- Control Lever Removal And Installation
- Control Lever Boot
- CONTROL HANDLE (SELECTABLE JOYSTICK CONTROL) (SJC)
- Joystick Testing (Right & Left)
- Joystick Removal (Right & Left)
- Joystick Boot Removal (Right & Left)
- Lever Assembly Removal (Right & Left)
- INSIDE ACCESS PANEL
- Removal And Installation (Left)
- Removal And Installation (Right)
- INSIDE ACCESS PANEL (SELECTABLE JOYSTICK CONTROL) (SJC)
- Panel Removal (Right)
- Panel Removal (Left)
- ELECTRICAL SYSTEM & ANALYSIS
- ELECTRICAL SCHEMATICS
- ELECTRICAL SYSTEM INFORMATION
- Troubleshooting
- Description
- Fuse Location
- Relay Switch Location
- Solenoid Test
- BATTERY
- Removal And Installation
- Servicing The Electrical System
- Using A Booster Battery (Jump Starting)
- ALTERNATOR
- Adjusting The Alternator Belt
- Alternator Identification
- Charging System Check
- Alternator Voltage Test
- Low Voltage Test
- High Voltage Test
- Removal And Installation
- Rectifier Continuity (Diode) Test
- Alternator Regulator Test
- Disassembly
- Stator Continuity Test
- Stator Ground Test
- Rotor Continuity Test
- Rotor Ground Test
- Assembly
- STARTER
- Removal And Installation
- Parts Identification
- Checking
- Disassembly And Assembly
- Inspection And Repair
- No Load Test
- INSTRUMENT PANEL
- Left Panel
- Right Panel (Standard) (With Key Switch)
- Right Panel (Deluxe) (With Keyless Start)
- Right Panel Setup Display Options (Deluxe)
- Deluxe Panel Setup
- Passwords (Deluxe)
- Option And Field Accessory Panels (If Equipped)
- Standard Panel Removal And Installation (Right Side)
- Deluxe Panel Removal And Installation (Right Side)
- Standard & Deluxe Panel Removal And Installation (Left Side)
- Front Accessory Panel Removal And Installation
- LIGHTS
- Front Removal And Installation
- Rear Removal And Installation
- BOBCAT CONTROLLER
- Identification Chart
- Removal And Installation
- CONTROLLER (SELECTABLE JOYSTICK CONTROL) (SJC)
- Removal
- Identification Chart
- SPEED SENSOR (SELECTABLE JOYSTICK CONTROL) (SJC)
- DIAGNOSTICS SERVICE CODES
- Display
- Number Codes List
- BICS™ SYSTEM
- 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 By-Pass Control
- Additional Inspection For Loaders With Advanced Controls System (ACS) or Selectable Joystick Control (SJC)
- Troubleshooting
- Troubleshooting Guide
- SEAT BAR SENSOR
- Troubleshooting Chart
- Test
- Removal And Installation
- BICS™ Circuit Test
- TRACTION LOCK
- Troubleshooting
- Removal And Installation (Single Speed)
- Description Of The Control System (Two Speed)
- Inspecting The Control System (Two Speed)
- ADVANCED CONTROL SYSTEM (ACS)
- Components Identification
- Troubleshooting Guide
- Controller, Connector And Wire Identification
- ACS Controller Removal And Installation
- Handle Sensor Connector
- Switch Handle Removal
- Switch Handle Installation
- Actuators Disassembly And Assembly
- Handle Lock Solenoid Removal And Installation
- Handle Lock Solenoid Disassembly And Assembly
- Handle Lock Solenoid Connector
- Calibration Of The ACS System
- Switchable Hand/Foot Controls Calibration Procedure
- Hand Controls Only Calibration Procedure
- Foot Sensor Disassembly And Assembly
- Foot Sensor Connector
- Foot Lock Solenoid Removal And Installation
- Foot Lock Solenoid Connector
- ELECTRICAL/HYDRAULIC CONTROLS REFERENCE
- Controls Identification Chart
- ELECTRICAL/HYDRAULIC CONTROLS REFERENCE (SELECTABLE JOYSTICK CONTROL) (SJC)
- Controls Identification Chart
- SERVICE PC (LAPTOP COMPUTER)
- Connecting The Service PC To Remote Start Tool
- LIFT AND TILT ACTUATOR CALIBRATION (SELECTABLE JOYSTICK CONTROL) (SJC)
- RPM SENSOR
- ENGINE SERVICE
- TROUBLESHOOTING
- ENGINE SPEED CONTROL
- Removal And Installation
- Speed Control Cable
- ENGINE SPEED CONTROL (SELECTABLE JOYSTICK CONTROL) (SJC)
- Removal
- Disassembly
- Speed Control Cable
- MUFFLER
- AIR CLEANER
- Housing Removal And Installation
- RADIATOR
- Removal And Installation
- Mount Removal
- COOLING FAN
- Drive Tension Pulley Removal And Installation
- Gearbox/Blower Housing Removal And Installation
- Gearbox Parts Identification
- Gearbox Disassembly
- Gearbox Assembly
- Gearbox, Checking Backlash
- ENGINE
- Removal And Installation
- Mount Replacement
- Removal And Installation Tools
- FLYWHEEL AND HOUSING
- Flywheel Removal And Installation
- Ring Gear Removal And Installation
- Flywheel Housing Removal And Installation
- RECONDITIONING THE ENGINE
- Engine Tools Identification Chart
- Compression Pressure
- Cylinder Head Clearance
- Valve Cover And Injector Nozzle Removal And Installation
- Rocker Arm And Push Rod Disassembly And Assembly
- Valve Clearance
- Cylinder Head And Tappet Disassembly And Assembly
- Selecting Cylinder Head Gasket Disassembly And Assembly
- Valve Disassembly And Assembly
- Engine Timing (TDC)
- Injection Pump Assembly Removal
- Injection Pump Assembly Installation
- Injection Pump Removal and Installation
- Injection Pump Timing
- Fan Drive Pulley Disassembly And Assembly
- Water Pump Disassembly And Assembly
- Gearcase Cover Disassembly And Assembly
- Idle Gear And Camshaft Disassembly And Assembly
- Gearcase Plate Disassembly And Assembly
- Oil Pan And Oil Strainer Disassembly And Assembly
- Connecting Rod Cap Disassembly And Assembly
- Piston Disassembly And Assembly
- Piston Ring And Connecting Rod Disassembly And Assembly
- Bearing Case Cover Disassembly And Assembly
- Flywheel Housing Disassembly And Assembly
- Crankcase No. 2 Disassembly And Assembly
- Crankcase No. 1 And No. 2 Disassembly And Assembly
- Crankshaft Disassembly And Assembly
- Cylinder Head Surface Flatness
- Cylinder Head Flaw
- Valve Recessing
- Valve Lapping
- Clearance Between Valve Stem And Valve Guide
- Replacing Valve Guide
- Correcting Valve And Valve Seat
- Free Length And Tilt Of Valve Spring
- Valve Spring Setting Load
- Oil Clearance Between Rocker Arm Shaft And Bearing
- Oil Clearance Between Tappet And Tappet Guide Bore
- Timing Gear Backlash
- Idler Gear Side Clearance
- Camshaft Side Clearance
- Camshaft Alignment
- Cam Height
- Oil Clearance Between Idler Gear Shaft And Idler Gearing Bushing
- Replacing Idler Gear Bushing
- Piston Pin Bore I.D.
- Oil Clearance Between Piston Pin And Small End Bushing
- Replacing Small End Bushing
- Clearance Between Piston Ring And Groove
- Piston Ring Gap
- Connecting Rod Alignment
- Crankshaft Side Clearance
- Crankshaft Alignment
- Oil Clearance Between Crank pin And Crank pin Bearing
- Oil Clearance Between Crankshaft Journal And Crankshaft Bearing
- Replacing Crankshaft Sleeve
- Cylinder Bore I.D.
- Correcting Cylinder (Oversize +0.5 mm)
- Engine Oil Pressure
- Rotor Lobe Clearance
- Clearance Between Outer Rotor And Pump Body
- Thermostat Valve Opening Temperature
- Radiator Water Leakage
- Radiator Cap Air Leakage
- Thermostat Assembly
- Intake Air Heater
- Checking the Turbo Charger
- Compressor Side
- Wheel Shaft
- Axial Clearance
- Radial Clearance
- Air Cleaner, Intake Pipe, Inlet Pipe And Muffler
- Oil Pipe
- HEATING, VENTILATION, AIR CONDITIONING
- AIR CONDITIONING SYSTEM FLOW
- COMPONENTS
- SAFETY
- REGULAR MAINTENANCE
- Filter Elements Removal And Installation
- Compressor Drive Belt Inspection
- Cleaning The Condenser
- BASIC TROUBLESHOOTING
- Poor A/C Performance
- Cleaning The A/C Evaporator Coil & Heater Coil
- Compressor Drive Belt Inspection
- Checking The Electrical System
- Engine Coolant By-Passing The Heater Valve
- Heater Valve Not Opening Or Closing
- GENERAL AIR CONDITIONING SERVICE GUIDELINES
- Compressor Oil
- Compressor Oil Check
- Component Replacement And Refrigeration Leaks
- SYSTEM TROUBLESHOOTING CHART
- Gauge Pressure Related Troubleshooting
- Troubleshooting Tree
- TEMPERATURE/PRESSURE
- AIR CONDITIONING SERVICE
- SYSTEM CHARGING AND RECLAMATION
- Reclamation Procedure
- Charging Procedure With A Manifold Gauge Set
- Charging Procedure
- COMPRESSOR
- Removal And Installation
- Compressor Clutch Disassembly
- CONDENSER
- RECEIVER/DRIER
- PRESSURE RELIEF VALVE
- PRESSURE SWITCH
- EVAPORATOR/HEATER UNIT
- Removal And Installation
- Disassembly And Assembly
- 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
- Wire Connector Removal and Installation
- HEATER VALVE
- Removal and Installation
- Disassembly And Assembly
- SPECIFICATIONS
- LOADER SPECIFICATIONS (S250)
- Machine Dimensions
- Performance
- Controls
- Engine
- Hydraulic System
- Electrical
- Drive System
- Capacities
- Tires
- LOADER SPECIFICATIONS (S300)
- Machine Dimensions
- Performance
- Controls
- Engine
- Hydraulic System
- Electrical
- Drive System
- Capacities
- Tires
- ENGINE SPECIFICATIONS
- General
- Fuel System
- Valve And Valve Timing
- Valve Spring
- Piston And Piston Ring
- Connecting Rod
- Cylinder Head
- Crankshaft
- Cylinder Bore
- Oil Pump
- Rocker Arm
- Tappet
- Camshaft
- Thermostat
- Timing Gear
- Intake Air Heater
- TORQUE SPECIFICATIONS FOR BOLTS
- Torque For General SAE Bolts
- Torque For General Metric Bolts
- Torque For Kubota Metric Engine Bolts
- Tightening Torques For General Use Screws, Bolts And Nuts
- HYDRAULIC CONNECTION SPECIFICATIONS
- O-ring Face Seal Connection
- Straight Thread O-ring Fitting
- Tubelines And Hoses
- Flare Fitting
- O-ring Flare Fitting
- Port Seal Fitting
- HYDRAULIC FLUID SPECIFICATIONS
- CONVERSIONS
- Decimal And Millimeter Equivalents
- SMR
- 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
Bobcat Software
Bobcat PDF Manuals
