The E26 is a compact excavator that spends its life trenching, digging footings, loading trucks, and working around houses where a big machine won't fit. The people who grab this service manual are the ones actually turning wrenches: small contractors, rental shops, and owner-operators who can't afford downtime. They want wiring diagrams that are readable, step-by-step hydraulic tests, and the right tear-down order so parts go back together once, not twice.
What this manual helps you do
- Diagnose hydraulic issues by following pressure and flow test procedures for the E26's pumps, valves, and travel motors
- Trace and troubleshoot electrical faults using model-correct wiring diagrams and connector callouts
- Check and set adjustments on controls, track drive, swing, and work-group functions after component replacement
- Rebuild or replace major components like cylinders, final drives, and engine-side ancillaries with proper disassembly and reassembly steps
- Verify settings and clearances after repairs so the machine is ready for 50/250/500-hour service intervals without comebacks
Who this is for
This is for anyone maintaining or repairing a Bobcat E26 with serial numbers in the AJRY11001-AJRY99999 range: shop mechanics, field techs, rental yards, and hands-on owners. If you only need how to start, transport, or daily-check the machine, you want the operator's handbook instead, not this manual.
FAQ
Q: Is this a searchable PDF, and are the wiring diagrams readable?
A: Yes, it's typically a searchable PDF and the wiring diagrams are laid out so you can zoom in and read pin numbers and wire colors.
Q: Will this cover my exact E26?
A: If your E26 serial number starts with AJRY and falls between AJRY11001 and AJRY99999, this is the right manual series for it.
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 diagnostics and repair work, not routine greasing and walk-around checks.
Bottom line: If you own or service an E26 in the AJRY11001-AJRY99999 range and you're doing your own diagnostics and repairs, this is the manual you want. If you just operate the machine, it's overkill.
📘 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 LOCATIONS
- Excavator Serial Number
- Engine Serial Number
- DELIVERY REPORT
- EXCAVATOR IDENTIFICATION
- SAFETY AND MAINTENANCE
- LIFTING AND BLOCKING THE EXCAVATOR
- LIFTING THE EXCAVATOR
- OPERATOR CAB (ROPS / TOPS) S/N AJRY11001 & ABOVE AND B33211001 & ABOVE
- Description
- Cab Door
- Front Window
- Front Wiper
- Window Washer Reservoir
- Right Side Window
- OPERATOR cab (ROPS / TOPS) S/N B3JE11001 & ABOVE
- Description
- Cab Door
- Front Wiper
- Window Washer Reservoir
- Right Side Window
- OPERATOR CANOPY (ROPS / TOPS)
- TRANSPORTING THE EXCAVATOR ON A TRAILER
- Loading And Unloading
- Fastening
- TAILGATE
- Opening And Closing
- Adjusting The Latch
- RIGHT SIDE COVER
- SERVICE SCHEDULE
- AIR CLEANER SERVICE
- Daily Check
- Replacing The Filter Elements
- CAB FILTERS (S/N AJRY11001 – AJRY12331)
- CAB FILTERS (S/N AJRY12332 & ABOVE, B33211000 & Above AND B3JE11001 & ABOVE)
- ENGINE COOLING SYSTEM
- Cleaning
- Checking Level
- Removing And Replacing Coolant
- FUEL SYSTEM
- Fuel Specifications
- Biodiesel Blend Fuel
- Filling The Fuel Tank
- Fuel Filter
- Draining The Fuel Tank
- Removing Air From The Fuel System
- ENGINE LUBRICATION SYSTEM
- Checking And Adding Engine Oil
- Engine Oil Chart
- Removing And Replacing Oil And Filter
- HYDRAULIC SYSTEM
- Checking And Adding Hydraulic Fluid
- Hydraulic / Hydrostatic Fluid Chart
- Removing And Replacing The Hydraulic Filters
- Removing And Replacing Hydraulic Fluid
- LUBRICATING THE EXCAVATOR
- PIVOT PINS
- Inspection And Maintenance
- TRAVEL MOTOR
- Checking And Adding Oil
- Removing And Replacing Oil
- SPARK ARRESTER MUFFLER
- EMERGENCY EXIT
- Right Rear Side Window
- Front Window
- SEAT BELT
- Inspection And Maintenance
- CONTROL CONSOLE LOCKOUTS
- Inspection And Maintenance
- TOWING THE EXCAVATOR
- REMOTE START TOOL KIT – MEL1563
- Remote Start Tool – MEL1563
- Service Tool Harness Control – MEL1565
- Service Tool Harness Communicator – MEL1566
- REMOTE START TOOL (SERVICE TOOL) KIT – 7217666
- Description
- Remote Start Tool (Service Tool) – 7022042
- Excavator Service Tool Harness – 6689747
- Computer Service Tool Harness – 6689746
- HYDRAULIC SYSTEM
- HYDRAULIC / HYDROSTATIC SCHEMATICS
- HYDRAULIC SYSTEM INFORMATION
- Glossary Of Hydraulic / Hydrostatic Symbols
- Troubleshooting The Hydraulic Circuit
- Troubleshooting The Cylinder Circuit
- Troubleshooting The Swing (Upperstructure Slew) Circuit
- Troubleshooting The Travel Circuit
- CYLINDER (BOOM)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (ARM)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (BOOM SWING)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (BUCKET)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (BLADE)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- CYLINDER (CLAMP)
- Testing
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- VALVES (MAIN RELIEF)
- VALVES (PORT RELIEF)
- VALVES (CROSS PORT RELIEF)
- Testing
- Removal And Installation
- Disassembly And Assembly
- VALVES (PILOT PRESSURE RELIEF)
- HYDRAULIC CONTROL VALVE
- Removal And Installation
- Parts Identification
- Disassembly
- Auxiliary Valve Section Disassembly And Assembly
- Arm Valve Section Disassembly And Assembly
- RH Travel Valve Section Disassembly And Assembly
- Bucket Valve Section Disassembly And Assembly
- Boom Valve Section Disassembly And Assembly
- LH Travel Valve Section Disassembly And Assembly
- “Priority Valve” Valve Section Disassembly And Assembly
- Blade Valve Section Disassembly And Assembly
- Boom Swing Valve Section Disassembly And Assembly
- Slew Valve Section Disassembly And Assembly
- Assembly
- HYDRAULIC PUMP
- Description
- Torque Adjustment
- Testing The Piston Pump P1
- Testing The Piston Pump P2
- Testing The Gear Pump P3
- Testing The Gear Pump P4
- Testing Auxiliary Hydraulic Flow
- Removal And Installation
- Coupler Removal And Installation
- Hydraulic Pump Startup
- Gear Pump Disassembly And Assembly
- Piston Pump Parts Identification
- Piston Pump Disassembly And Assembly
- MANIFOLD ASSEMBLY / ACCUMULATOR
- Description
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- TRAVEL MOTOR
- Description
- Removal And Installation
- Parts Identification Hydraulic Motor
- Parts Identification Gear Reduction Hub
- Disassembly
- Assembly
- SWIVEL JOINT
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- SWING MOTOR (S/N AJRY11001 – AJRY12382)
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- SWING MOTOR (S/N AJRY12383 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- SWING MOTOR (DRIVE CARRIER)
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- CONTROL PATTERN SELECTOR VALVE
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- RIGHT CONTROL LEVER (JOYSTICK) (S/N AJRY11001 – AJRY12331)
- Testing
- Handle Removal And Installation
- Joystick Assembly Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- RIGHT CONTROL LEVER (JOYSTICK) (S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
- Testing
- Handle Removal And Installation
- Joystick Assembly Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- LEFT CONTROL LEVER (JOYSTICK) (S/N AJRY11001 – AJRY12331)
- Testing
- Handle Removal And Installation
- Joystick Assembly Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- LEFT CONTROL LEVER (JOYSTICK) (S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
- Testing
- Handle Removal And Installation
- Joystick Assembly Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- HYDRAULIC FILTER MOUNT
- HYDRAULIC RESERVOIR
- OIL COOLER
- DIRECT TO TANK VALVE
- BLADE CONTROL LEVER
- Handle Removal And Installation
- Parts Identification
- Disassembly And Assembly
- CASE DRAIN FILTER MOUNT
- TRAVEL CONTROL VALVE
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- REMOVING AIR FROM THE HYDRAULIC SYSTEM
- SECONDARY AUXILIARY VALVE
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- VALVE (BOOM LOAD HOLDING VALVE)
- VALVE (ARM LOAD HOLDING VALVE)
- UNDERCARRIAGE
- BLADE
- TRACK UNDERCARRIAGE COMPONENTS (RUBBER TRACK)
- Description
- Track Lug Height
- Checking Tension
- Adjusting Tension
- Track Removal And Installation
- Idler Removal And Installation
- Idler Parts Identification
- Track Idler Disassembly
- Track Idler Assembly
- Track Tensioner Removal And Installation
- Track Tensioner Parts Identification
- Track Tensioner Disassembly And Assembly
- Roller Removal And Installation
- Sprocket Removal And Installation
- TRACK MAINTENANCE
- Track Damage Identification
- SWING CIRCLE GEAR
- Swing Bearing Removal
- Swing Bearing Installation
- UPPERSTRUCTURE AND SWING SECTION
- UPPERSTRUCTURE
- ROPS CANOPY
- CAB
- Removal And Installation
- Door Removal And Installation
- Front Window Removal And Installation
- Right Side Rear Sliding Window Removal And Installation
- Right Side Front Sliding Window Removal And Installation
- Right Side Front And Rear Sliding Window Weather Strip Removal And Installation
- Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation
- Glass Removal
- Glass Installation
- SEAT
- Removal And Installation
- Seat Mount Removal And Installation
- RIGHT CONSOLE (S/N AJRY11001 – AJRY12331)
- Console Cover Removal And Installation
- RIGHT CONSOLE (S/N AJRY12332 & ABOVE, B33211000 & ABOVE AND B3JE11001 & ABOVE)
- Console Cover Removal And Installation
- LEFT CONSOLE
- Lower Console Cover Removal And Installation
- Upper Console Cover Removal And Installation
- Compression Spring Removal And Installation
- Lock Lever Removal And Installation
- Console Removal And Installation
- LEFT UPPERSTRUCTURE COVER
- RIGHT UPPERSTRUCTURE COVER
- COUNTERWEIGHT
- Removal And Installation
- Long Arm Counterweight Removal And Installation
- TRAVEL LEVERS AND PEDALS
- Removal And Installation
- Disassembly And Assembly
- FLOOR MAT
- FUEL TANK
- HORN
- SWING FRAME
- Removal And Installation
- Boom Swing Frame Hose Routing
- Bushing Removal
- Bushing Installation
- BOOM
- ARM (STANDARD AND LONG)
- Removal And Installation
- Arm To Boom Bushing Removal And Installation
- Arm To Bucket And Bucket Link Bushing Removal And Installation
- BUCKET
- Bucket Teeth Removal And Installation
- Bucket Side Cutting Edge Removal And Installation
- CLAMP
- TAILGATE
- Removal And Installation
- Latch Removal And Installation
- X-CHANGE
- Removal And Installation
- Disassembly
- Assembly
- BOBCAT HYDRAULIC PIN GRABBER COUPLER HPG2
- Troubleshooting
- Daily Inspection
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- RIGHT SIDE COVER
- TOOL BOX
- ELECTRICAL SYSTEM AND ANALYSIS
- ELECTRICAL SCHEMATICS
- ELECTRICAL SYSTEM INFORMATION
- Troubleshooting Chart
- Description
- Fuse And Relay Location / Identification
- BATTERY
- Servicing
- Removal And Installation
- 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
- LIGHTS
- Removal And Installation
- Boom Light Removal And Installation
- Boom Light Bulb Replacement
- MAGNETIC LOCKOUT SENSOR
- FUEL LEVEL SENDER
- Removal And Installation
- Testing
- DIAGNOSTICS SERVICE CODE (S/N AJRY11001 – AJRY12331)
- DIAGNOSTIC SERVICE CODES (S/N AJRY12332 & ABOVE, B33211000 & ABOVE AND B3JE11001 & ABOVE)
- Viewing Service Codes
- Number Codes List
- DELUXE INSTRUMENT PANEL SETUP (S/N AJRY11001 – AJRY12331)
- Passwords
- Password Entry (For Starting And Operating The Machine)
- Changing The Operator Password
- Password Lockout Feature
- Job Clock
- RPM
- Maintenance Clock
- CONTROL PANEL SETUP (S/N AJRY12332 & ABOVE, B33211000 & ABOVE AND B3JE11001 & ABOVE)
- Panel Setup (Deluxe Instrument Panel)
- Password Setup (Keyless Start Panel)
- Password Setup (Deluxe Instrument Panel)
- Maintenance Clock
- INSTRUMENT PANEL / CONTROLLER (S/N AJRY11001 – AJRY12331)
- INSTRUMENT PANEL (S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
- CONTROLLER (S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001) (GATEWAY AND AUXILIARY)
- Description
- Gateway Controller Removal And Installation
- Auxiliary Controller Removal And Installation
- KEY SWITCH
- WIPER MOTOR
- MOTION ALARM SYSTEM
- Description
- Inspecting
- Adjusting Switch Position
- SERVICE PC (LAPTOP COMPUTER)
- Connecting The Remote Start Tool
- Connecting Remote Start Tool (Service Tool)
- Operation
- BOBCAT MACHINE IQ WIRELESS COMMUNICATIONS
- Description
- Controller Removal And Installation
- Antenna Removal And Installation
- Procedure
- ENGINE SERVICE
- ENGINE INFORMATION
- Description
- Specifications
- Engine Bolt Torque
- Crankshaft Re-Grind Data
- Torque For Kubota® Metric Bolts
- Troubleshooting
- Engine Removal And Installation
- Compression Checking
- ENGINE SPEED CONTROL
- Removal And Installation
- Auto Idle Controller Removal And Installation
- Calibration
- Actuator Removal And Installation
- MUFFLER
- AIR CLEANER
- ENGINE COOLING SYSTEM
- Radiator Removal And Installation
- Fan Removal And Installation
- 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
- Engine Oil Pressure – Testing
- FUEL SYSTEM
- Fuel Shutoff Solenoid – Checking
- Fuel Shutoff Solenoid Removal And Installation
- Fuel Injection Pump – Checking
- Fuel Injection Pump Removal And Installation
- Fuel Injection Pump – Timing
- Fuel Camshaft Removal And Installation
- Fuel Camshaft Governor
- Fuel Injector Removal And Installation
- Fuel Injector Nozzle Pressure – Checking
- Nozzle Spray Condition
- Valve Seat Tightness
- CYLINDER HEAD
- Glow Plugs – Testing
- Glow Plugs 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 And Installation
- Crankshaft And Bearings – Servicing
- CAMSHAFT AND TIMING GEARS
- Timing Gearcase Cover Removal And Installation
- Timing Gears Backlash – Checking
- Idle Gear And Camshaft Removal And Installation
- Camshaft Servicing
- Idle Gear And Shaft Servicing
- FLYWHEEL AND HOUSING
- Hydraulic Pump Coupler Removal And Installation
- Flywheel Removal And Installation
- Flywheel Ring Gear
- HEATING, VENTILATION AND AIR CONDITIONING S/N ACRA11001 – ACRA13000
- AIR CONDITIONING SYSTEM FLOW
- Description
- Chart
- Components
- Safety Equipment
- REGULAR MAINTENANCE
- Cab Filters
- Air Conditioning Compressor Belt Adjustment
- Air Conditioning Compressor Belt Replacement
- Condenser
- Air Conditioning Lubrication
- Evaporator / Heater Coil
- Air Conditioning Service Chart
- 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 Operates Improperly Or Not At All
- Gauge Pressure Related Troubleshooting
- Temperature / Pressure Chart
- Poor A/C Performance
- HVAC Repair And Leaks
- Electrical System
- Engine Coolant Bypassing The Heater Valve
- SYSTEM CHARGING AND RECLAMATION
- Refrigerant Identification
- Reclamation And Charging With Recovery / Charging Unit
- COMPRESSOR
- CONDENSER
- RECEIVER / DRIER
- Receiver / Drier Removal And Installation
- Pressure Relief Valve Removal And Installation
- Pressure Switch Removal And Installation
- EVAPORATOR / HEATER UNIT
- THERMOSTAT
- Description
- Removal And Installation
- EXPANSION VALVE
- EVAPORATOR COIL
- HEATER COIL
- BLOWER FAN
- HEATER VALVE
- HVAC DUCT
- HEATING, VENTILATION AND AIR CONDITIONING S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE
- AIR CONDITIONING SYSTEM FLOW
- Description
- Chart
- Components
- Safety Equipment
- REGULAR MAINTENANCE
- Cab Filters
- Air Conditioning Compressor Belt Adjustment
- Air Conditioning Compressor Belt Replacement
- Condenser
- Air Conditioning Lubrication
- Evaporator / Heater Coil
- Air Conditioning Service Chart
- 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 Operates Improperly Or Not At All
- Gauge Pressure Related Troubleshooting
- Temperature / Pressure Chart
- Poor A/C Performance
- HVAC Repair And Leaks
- Electrical System
- Engine Coolant Bypassing The Heater Valve
- SYSTEM CHARGING AND RECLAMATION
- Refrigerant Identification
- Reclamation And Charging With Recovery / Charging Unit
- COMPRESSOR
- CONDENSER
- RECEIVER / DRIER
- Receiver / Drier Removal And Installation
- Pressure Relief Valve Removal And Installation
- Pressure Switch Removal And Installation
- EVAPORATOR / HEATER UNIT
- THERMOSTAT
- Description
- Removal And Installation
- EXPANSION VALVE
- EVAPORATOR COIL
- HEATER COIL
- BLOWER FAN
- HEATER VALVE
- HVAC DUCT
- SPECIFICATIONS
- EXCAVATOR SPECIFICATIONS (S/N AJRY11001 & ABOVE AND B33211001 & ABOVE)
- Machine Dimensions (Standard Arm)
- Machine Dimensions (Long Arm)
- Performance
- Controls
- Engine (E26 S/N B33211001 & Above)
- Engine (E26 S/N AJRY11001 & Above)
- Hydraulic System
- Hydraulic Cylinders
- Hydraulic Cycle Times
- Electrical
- Drive System
- Slew System
- Undercarriage
- Capacities
- Tracks
- Ground Pressure
- EXCAVATOR SPECIFICATIONS (S/N B3JE11001 & ABOVE)
- Machine Dimensions (Standard Arm)
- Machine Dimensions (Long Arm)
- Performance
- Controls
- Engine
- Hydraulic System
- Hydraulic Cylinders
- Hydraulic Cycle Times
- Electrical
- Drive System
- Slew System
- Undercarriage
- Capacities
- Tracks
- Ground Pressure
- TECHNICAL SERVICE GUIDE SPECIFICATIONS
- Engine
- Engine Torques
- Cooling System
- Excavator Torques
- Lubrication
- 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
- O-ring Flare Fitting
- Port Seal Fitting
- Push To Connect Fittings
- HYDRAULIC FLUID SPECIFICATIONS
- CONVERSIONS
- Decimal And Millimeter Equivalent Chart
- U.S. To Metric Conversion Chart
- SERVICE TOOLS REQUIRED
- Remote Start Tools
- Hydraulic Tools
- Engine Tools
- Electrical Tools
- General Tools
- HVAC Tools
- ALPHABETICAL INDEX
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