The S250 is a high-output skid-steer loader that lives on demolition piles, concrete tear-outs, pallet work, and heavy dirt work. Around my shop, this is the manual we pull when a machine is down and needs to be turned around quickly and correctly. If you're chasing a hydraulic issue, doing drive work, or planning engine or electrical repairs on an S250 in the A5GN20001-A5GN99999 serial range, this is the book you'd expect to use.
What this manual helps you do
- Diagnose hydraulic and hydrostatic problems, check pressures, and trace leaks on the S250 loader
- Follow teardown and reassembly steps for drive motors, pumps, cylinders, and major hydraulic components
- Trace, test, and repair wiring and sensors using the S250-specific electrical schematics
- Rebuild and time the engine and related systems on this loader, with correct sequences and checks
- Adjust, verify, and replace loader linkage, Bob-Tach parts, and brake and steering components to spec
Who this is for
This manual is for shop mechanics, field techs, rental fleets, and owner-operators working on a Bobcat S250 skid-steer with serial numbers in the A5GN20001-A5GN99999 range. If you only need how to run the controls or daily checks, you want the operator's handbook instead, not this service manual.
FAQ
Q: Is this a searchable PDF with readable wiring diagrams?
A: Yes, these manuals are usually supplied as searchable PDFs, and the wiring diagrams are designed to be readable when zoomed on-screen.
Q: Will this cover my exact S250?
A: It matches S250 loaders in the A5GN20001-A5GN99999 serial range. If your plate shows a different prefix or range, you need a different manual.
Q: Is this the right document if I'm just doing oil and filter changes?
A: It will cover that, but it's overkill. For basic maintenance only, the operator's manual is usually enough.
Bottom line: If you're repairing or diagnosing an S250 in the A5GN20001-A5GN99999 range, this is the right service manual. If your serial tag doesn't match that range, skip it.
📘 Show Index
Table of Contents:
- 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
- Loader Serial Number
- Engine Serial Number
- DELIVERY REPORT
- 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
- Special Applications Kit Inspection And Maintenance
- Forestry Door And Window Kit
- Forestry Door And Window 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 Communicator – MEL1566
- Remote Start Procedure
- REMOTE START TOOL (SERVICE TOOL) KIT – 7217666
- Description
- Remote Start Tool (Service Tool) – 7022042
- Loader Service Tool Harness – 6689747
- Computer Service Tool Harness – 6689746
- Remote Start Procedure
- SERVICE SCHEDULE
- AIR CLEANER SERVICE
- Replacing Filter Elements
- ENGINE COOLING SYSTEM
- Maintenance Platform
- Description
- Cleaning (Earlier Models)
- Cleaning (Later Models)
- 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 ARRESTER MUFFLER
- PIVOT PINS
- Inspection And Maintenance
- LOADER STORAGE AND RETURN TO SERVICE
- Storage
- Return To Service
- STOPPING THE ENGINE AND LEAVING THE LOADER
- EMERGENCY EXIT
- SEAT BELT
- Inspection And Maintenance
- 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 And 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 (S/N A5GM34999 & Below, A5GN34999 & Below, A5GP34999 & Below And A5GR34999 & Below)
- Auxiliary Solenoid Removal And Installation (S/N A5GM35001 & Above, A5GN35001 & Above, A5GP35001 & Above And A5GR35001 & Above)
- Solenoid Removal And Installation
- Lock Valve Removal And Installation
- Lift Arm Bypass 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 And 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 (S/N A5GM34999 & Below, A5GN34999 & Below, A5GP34999 & Below And A5GR34999 & Below)
- Auxiliary Solenoid Removal And Installation (S/N A5GM35001 & Above, A5GN35001 & Above, A5GP35001 & Above And A5GR35001 & Above)
- Solenoid Removal And Installation
- Lock Valve Removal And Installation
- Lift Arm Bypass 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 Startup
- 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 Startup
- 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 Startup
- 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 Startup
- Parts Identification
- Disassembly And Assembly
- HYDRAULIC / HYDROSTATIC FILTERS
- Description
- 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 DRIVE MOTOR
- Description
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- HYDROSTATIC DRIVE 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 Startup
- Replenishing / High Pressure Relief Valve Removal And Installation
- Parts Identification (Left Half)
- Parts Identification (Right Half)
- Disassembly
- Assembly
- HYDROSTATIC PUMP (SJC) (S/N A5GM20001 – A5GM35203, A5GN20001 – A5GN35003, A5GP20001 – A5GP35145, AND A5GR20001 – A5GR35010)
- Description
- Hydraulic Controller Removal And Installation
- Removal And Installation
- Hydrostatic Pump Startup
- Parts Identification
- High Pressure Relief And Bypass Valve
- Charge Relief Valve
- Disassembly And Assembly
- Mechanical Neutral Adjustment
- Hydraulic Controller Neutral Adjustment
- HYDROSTATIC PUMP (SJC) (S/N A5GM35204 & ABOVE, A5GN35004 & ABOVE, A5GP35146 & ABOVE, AND A5GR35011 & ABOVE)
- Description
- Hydraulic Controller Removal And Installation
- Removal And Installation
- Hydrostatic Pump Startup
- Parts Identification
- High Pressure Relief And Bypass Valve
- Charge Relief Valve
- Disassembly And Assembly
- Mechanical Neutral Adjustment
- Hydraulic Controller Neutral Adjustment
- DRIVE BELT
- Description
- Shield Removal And Installation
- Adjusting
- Belt Removal And Installation
- Tensioner Pulley Removal And Installation
- Tensioner Pulley Disassembly And Assembly
- Tensioner Pulley Tension Spring Removal And Installation
- Tensioner Pulley Tension Spring Disassembly And Assembly
- CASE DRAIN FILTER
- Description
- Disassembly And Assembly
- DRIVE SYSTEM
- BRAKE
- 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
- MAINFRAME
- 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
- Lower Cushion Removal And Installation
- Back Cushion 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)
- 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 GRILLE
- REAR DOOR (TAILGATE)
- 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
- 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 (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
- CONTROL HANDLE / LEVER (SJC)
- Description
- Joystick Testing
- Joystick Removal And Installation
- Joystick Mount Removal And Installation
- 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)
- Removal
- Installation (Split Molding)
- Installation (Continuous Molding)
- WINDOW (TOP)
- WINDOW (SIDE)
- WINDOW (CAB 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 AND ANALYSIS
- ELECTRICAL SCHEMATICS
- ELECTRICAL SYSTEM INFORMATION
- Glossary Of Electrical Symbols
- Cab Harness Connectors
- Mainframe Harness Connectors
- Description
- Troubleshooting
- Fuse And Relay Location / Identification
- Solenoid Testing
- BATTERY
- Removal And Installation
- Servicing
- Using A Booster Battery (Jump Starting)
- 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
- Standard Key Panel
- Keyless Start Panel
- Deluxe Instrumentation Panel
- Side Panel
- Front Panel
- Front Panel Removal And Installation
- Removal And Installation (Left And Right)
- Key Switch Removal And Installation
- Alarm Removal And Installation
- LIGHTS
- Front Removal And Installation
- Rear Removal And Installation
- Cab Light Removal And Installation
- BOBCAT CONTROLLER (GATEWAY AND AUXILIARY)
- 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 SENSORS (SJC)
- Description
- Testing
- Removal And Installation
- DIAGNOSTIC SERVICE CODES
- Viewing Service Codes
- Service Codes List
- BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)
- Description
- Inspecting The BICS™ (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
- 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
- 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
- Identification Chart
- Description
- Identification Chart ACD Group 0
- Identification Chart ACD Group 1
- Identification Chart ACD Group 2
- Identification Chart ACD Group 3
- ELECTRICAL / HYDRAULIC CONTROLS (ACS)
- Identification Chart
- Description
- Identification Chart ACD Group 0
- Identification Chart ACD Group 1
- Identification Chart ACD Group 2
- Identification Chart ACD Group 3
- ELECTRICAL / HYDRAULIC CONTROLS (SJC)
- Identification Chart
- Description
- Identification Chart ACD Group 0
- Identification Chart ACD Group 1
- Identification Chart ACD Group 2
- Identification Chart ACD Group 3
- SERVICE PC (LAPTOP COMPUTER)
- Connecting Remote Start Tool
- Connecting Remote Start Tool (Service Tool)
- CALIBRATION
- Description
- Actuator Testing
- Lift And Tilt Calibration (SJC)
- Hydrostatic Pump Calibration (SJC)
- Lift And Tilt Calibration (ACS)
- STEERING DRIFT COMPENSATION
- FLYWHEEL RPM SENSOR
- CONTROL PANEL SETUP
- Right Panel Setup (Deluxe Instrumentation Panel)
- Attachment Control Information (Deluxe Instrumentation Panel)
- PASSWORD SETUP (DELUXE INSTRUMENTATION PANEL)
- Password Description
- Changing The Owner Password
- Changing The User Passwords
- Password Lockout Feature
- PASSWORD SETUP (KEYLESS START PANEL)
- Password Description
- Changing The Owner Password
- 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
- Cable Removal And Installation
- MUFFLER
- AIR CLEANER
- Housing Removal And Installation
- ENGINE COOLING SYSTEM
- Radiator Removal And Installation
- Radiator Mount Removal And Installation
- Hydraulic Fan Motor Description
- Axial Fan Housing Removal And Installation
- Axial Fan Removal And Installation
- Hydraulic Fan Motor Removal And Installation
- Hydraulic Fan Motor Disassembly And Assembly
- Water Pump Removal And Installation
- Water Pump Disassembly And Assembly
- Thermostat Housing Removal And Installation
- Thermostat – Checking
- 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 Shutoff Solenoid – Checking
- Fuel Shutoff Solenoid Removal And Installation
- Fuel Injection Pump Assembly Removal
- Fuel Injection Pump Assembly Installation
- Governor Housing Disassembly And Assembly
- Governor Disassembly And Assembly
- Fuel Camshaft Removal And Installation
- Fuel Injection Pump Removal
- 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
- Push Rod Alignment – 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
- Crankshaft And Bearings Installation
- Crankshaft And Bearings – Servicing
- CAMSHAFT AND TIMING GEARS
- Timing Gearcase Cover Removal And Installation
- Timing Gears Backlash – Checking
- Idler Gear And Camshaft Removal And Installation
- Camshaft – Servicing
- 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
- EXHAUST GAS RECIRCULATION (EGR) SYSTEM
- Description
- Testing
- Removal And Installation
- HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
- AIR CONDITIONING SYSTEM FLOW
- Description
- Chart
- Components
- Safety Equipment
- REGULAR MAINTENANCE
- Filters
- Compressor Drive Belt Adjustment
- Compressor Drive Belt Replacement
- Condenser
- Air Conditioning Lubrication
- Air Conditioning Service Chart
- Evaporator / 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 Bypassing 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
- 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
- Description
- Removal And Installation
- EXPANSION VALVE
- EVAPORATOR COIL
- 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
- Machine Dimensions
- Performance
- Engine
- Controls
- Drive System
- Hydraulic System
- Electrical
- Capacities
- Tires
- (S300) LOADER SPECIFICATIONS
- Machine Dimensions
- Performance
- Engine
- Controls
- Drive System
- Hydraulic System
- Electrical
- 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 Equivalent Chart
- U.S. To Metric Conversion Chart
- ALPHABETICAL INDEX
- 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
- Revision No: S250, S300 – 12
Bobcat Software
Bobcat PDF Manuals
