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Bobcat E27z Excavator Service Manual (SN B4R711001-B4R799999)

Format: PDF (Printable Document)

File Language: English

File Pages: 790

File Size: 24.92 MB (Speed Download Link)

Brand: Bobcat

Model: E27z Excavator

Book No: 7354905

Serial No: SN B4R711001-B4R799999

Type of Document: Service Manual

Categories: ,

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Bobcat E27z Excavator Service Manual (SN B4R711001-B4R799999)

The Bobcat E27z is a compact excavator you'll see trenching for utilities, doing footing work, or tight-access digging around houses. The people who reach for this service manual are the ones actually tearing into it: shop mechanics, field techs, and owners who do their own repairs once the warranty is gone. They need wiring info, hydraulic specs, and step-by-step teardown so the machine goes back out without a comeback. If your plate is full of 50/250/500-hour services and the odd cylinder or drive issue, this is the kind of book you live in.

What this manual helps you do

  • Trace and diagnose electrical faults using wiring diagrams and connector callouts
  • Check and set hydraulic and pilot pressures for the E27z hydraulic and travel systems
  • Follow step-by-step procedures to remove, rebuild, and reinstall cylinders, motors, and pumps
  • Troubleshoot engine starting, performance, and fuel system problems on the E27z platform
  • Replace and adjust components after wear or failure, then verify correct operation and settings

Who this is for

This manual is for anyone maintaining or repairing a Bobcat E27z excavator in the serial range B4R711001 through B4R799999: small contractors, rental fleets, owner-operators, and shop or field techs. If you just need basic controls, safety, or daily checks, you want the operator's handbook, not this service manual.

FAQ

Q: Is this a searchable PDF with clear wiring diagrams?

A: Yes, this is a PDF service manual, and in my experience these are searchable with zoomable wiring diagrams you can read on a laptop or tablet.

Q: How do I know if it matches my exact E27z?

A: Check your machine's serial number plate. If it falls between B4R711001 and B4R799999, this is the correct service manual family.

Q: Is this what I need for teardown and diagnostics, or is it just a parts list?

A: This is the workshop-level service manual, not a parts catalog, so it's aimed at diagnostics, removal, disassembly, and reassembly work.

Bottom line: If you own or service an E27z in that serial range and you're doing real repairs or scheduled maintenance, this is the right manual. If you only want operating tips, skip it.

📘 Show Index

Table of Contents:

  • MAINTENANCE SAFETY
  • CONTENTS
  • FOREWORD
    • FOREWORD
    • SAFETY INSTRUCTIONS
      • Avoid Silica Dust
    • 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
      • Procedure
    • LIFTING THE EXCAVATOR
      • Procedure
    • OPERATOR CAB (ROPS / TOPS / FOPS)
      • Description
      • Cab Door
      • Front Window
      • Front Wiper
      • Window Washer Reservoir
      • Right Side Window
      • Heating And Ventilation Ducting
    • OPERATOR CANOPY (ROPS / TOPS / FOPS)
      • Description
    • TRANSPORTING THE EXCAVATOR ON A TRAILER
      • Loading And Unloading
      • Fastening
    • TAILGATE
      • Opening And Closing
      • Adjusting The Latch
    • RIGHT SIDE COVER
      • Opening And Closing
    • SERVICE SCHEDULE
      • Maintenance Intervals
      • Inspection Checkbook
    • AIR CLEANER SERVICE
      • Daily Check
      • Replacing The Filters
    • 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 Hydraulic Filters
      • Removing And Replacing Hydraulic Fluid
    • LUBRICATING THE EXCAVATOR
      • Lubrication Locations
    • PIVOT PINS
      • Inspection And Maintenance
    • TRAVEL MOTOR
      • Checking And Adding Oil
      • Removing And Replacing Oil
    • EMERGENCY EXIT
      • Right Side Rear Window
      • Front Window
    • SEAT BELT
      • Inspection And Maintenance
    • CONTROL CONSOLE LOCKOUTS
      • Inspection And Maintenance
    • TOWING THE EXCAVATOR
      • Procedure
    • 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 (Earlier Models)
      • Disassembly (Earlier Models)
      • Assembly
      • Parts Identification (Later Models)
      • Disassembly (Later Models)
      • Assembly (Later Models)
    • CYLINDER (BUCKET)
      • Testing
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • CYLINDER (BLADE)
      • Testing
      • Removal And Installation
      • Parts Identification (Earlier Models)
      • Disassembly (Earlier Models)
      • Assembly
      • Parts Identification (Later Models)
      • Disassembly (Later Models)
      • Assembly (Later Models)
    • CYLINDER (CLAMP)
      • Testing
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • VALVES (MAIN RELIEF)
      • Testing And Adjusting
    • VALVES (PORT RELIEF)
      • Testing And Adjusting
    • VALVES (CROSS PORT RELIEF)
      • Testing
      • Removal And Installation
      • Disassembly And Assembly
    • VALVES (PILOT PRESSURE RELIEF)
      • Testing And Adjusting
    • 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
      • Auxiliary 4 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
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • SWING MOTOR (DRIVE CARRIER)
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • RIGHT CONTROL LEVER (JOYSTICK)
      • Testing
      • Handle Removal And Installation
      • Joystick Assembly Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • LEFT CONTROL LEVER (JOYSTICK)
      • Testing
      • Handle Removal And Installation
      • Joystick Assembly Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • HYDRAULIC FILTER MOUNT
      • Removal And Installation
    • HYDRAULIC RESERVOIR
      • Removal And Installation
    • OIL COOLER
      • Removal And Installation
    • BLADE CONTROL LEVER
      • Handle Removal And Installation
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • CASE DRAIN FILTER MOUNT
      • Removal And Installation
    • TRAVEL CONTROL VALVE
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • REMOVING AIR FROM THE HYDRAULIC SYSTEM
      • Procedure
    • SECONDARY AUXILIARY VALVE
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • VALVE (BOOM LOAD HOLDING VALVE)
      • Removal And Installation
      • Inspection
      • Override Function – Emergency Lowering
    • VALVE (ARM LOAD HOLDING VALVE)
      • Removal And Installation
      • Inspection
      • Override Function – Emergency Lowering
  • UNDERCARRIAGE
    • BLADE
      • Removal And Installation
    • TRACK UNDERCARRIAGE COMPONENTS (RUBBER TRACK)
      • Description
      • Track Lug Height
      • Checking Tension
      • Adjusting Tension
      • Track Removal And Installation
      • Idler Removal And Installation
      • Idler Parts Identification
      • Idler Disassembly
      • 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 UNDERCARRIAGE COMPONENTS (STEEL TRACK)
      • Description
      • Checking Tension
      • Adjusting Tension
      • Track Removal And Installation
      • Idler Removal And Installation
      • Idler Parts Identification
      • Idler Disassembly
      • Idler Assembly
      • Track Tensioner Removal And Installation
      • Track Tensioner Parts Identification
      • Track Tensioner Disassembly And Assembly
      • Roller Removal And Installation
      • Sprocket Removal And Installation
      • Guide Plate Removal And Installation
    • TRACK MAINTENANCE
      • Track Damage Identification
    • SWING CIRCLE GEAR
      • Swing Bearing Removal
      • Swing Bearing Installation
  • UPPERSTRUCTURE AND SWING SECTION
    • UPPERSTRUCTURE
      • Removal
      • Installation
    • ROPS CANOPY
      • Removal And Installation
    • CAB
      • Removal And Installation
      • Door Removal And Installation
      • Front Window Removal And Installation
      • Right Side Sliding Window Removal And Installation
      • Glass Removal
      • Glass Installation
    • SEAT
      • Removal And Installation
      • Seat Mount Removal And Installation
    • RIGHT CONSOLE
      • 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
      • Removal And Installation
    • RIGHT UPPERSTRUCTURE COVER
      • Removal And Installation
    • COUNTERWEIGHT
      • Removal And Installation (Standard And Long Arm)
    • TRAVEL LEVERS AND PEDALS
      • Removal And Installation
      • Disassembly And Assembly
    • FLOOR MAT
      • Removal And Installation
    • FUEL TANK
      • Removal And Installation
    • HORN
      • Removal And Installation
    • SWING FRAME
      • Removal And Installation
      • Boom Swing Frame Hose Routing
      • Bushing Removal
      • Bushing Installation
    • BOOM
      • Removal And Installation
    • 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
    • CLAMP
      • Removal And Installation
    • TAILGATE
      • Removal And Installation
      • Latch Removal And Installation
    • QUICK COUPLER (KLAC™ SYSTEM)
      • Removal
      • Installation
    • QUICK COUPLER (LEHNHOFF ® SYSTEM)
      • Removal
      • Installation
    • QUICK COUPLER (BOBCAT HYDRAULIC PIN GRABBER COUPLER HPG2)
      • Troubleshooting
      • Daily Inspection
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • RIGHT SIDE COVER
      • Removal And Installation
    • TOOL BOX
      • Removal And Installation
    • LEFT SIDE COVER
      • Removal And Installation
  • ELECTRICAL SYSTEM AND ANALYSIS
    • ELECTRICAL SCHEMATICS
    • ELECTRICAL SYSTEM INFORMATION
      • Glossary Of Electrical Symbols
      • Cab Frame Harness
      • Canopy Harness
      • Main Frame Harness
      • Motion Alarm Harness
      • Secondary Auxiliary Harness
      • Troubleshooting Chart
      • Description
      • Fuse And Relay Location / Identification
    • BATTERY
      • Servicing
      • Removing And Installation
      • Using A Booster Battery (Jump Starting)
    • ALTERNATOR
      • Belt Adjustment
      • Belt Replacement
      • Charging System Inspection
      • Alternator Voltage Testing
      • Removal And Installation
      • Parts Identification
    • STARTER
      • Testing
      • Removal And Installation
      • Parts Identification
    • LIGHTS
      • Boom Light Removal And Installation
      • Boom Light Bulb Replacement
    • MAGNETIC LOCKOUT SENSOR
      • Removal And Installation
    • FUEL LEVEL SENDER
      • Removal And Installation
      • Testing
    • DIAGNOSTIC SERVICE CODES
      • Viewing Service Codes
      • Service Codes List
    • CONTROL PANEL SETUP
      • Panel Setup (Deluxe Instrument Panel)
      • Password Setup (Keyless Start Panel)
      • Password Setup (Deluxe Instrument Panel)
      • Maintenance Clock
    • INSTRUMENT PANEL
      • Removal And Installation
    • CONTROLLER (GATEWAY AND AUXILIARY)
      • Description
      • Gateway Controller Removal and Installation
      • Auxiliary Controller Removal And Installation
    • KEY SWITCH
      • Removal And Installation
    • WIPER MOTOR
      • Removal And Installation
    • MOTION ALARM SYSTEM
      • Description
      • Inspecting
      • Adjusting Switch Position
    • SERVICE PC (LAPTOP COMPUTER)
      • Connecting The Remote Start Tool
      • Connecting Remote Start Tool (Service Tool)
    • BATTERY DISCONNECT SWITCH
      • Description
      • Removal And Installation
  • ENGINE SERVICE
    • ENGINE INFORMATION
      • Description
      • Specifications
      • Crankshaft Re-Grind Data
      • Torque For Kubota® Metric Bolts
      • Troubleshooting
      • Engine Removal And Installation
      • Compression Checking
    • ENGINE SPEED CONTROL (DIAL GAUGE)
      • Removal And Installation
      • Calibration
      • Actuator Removal And Installation
    • ENGINE SPEED CONTROL (LEVER)
      • Removal And Installation
      • Calibration
    • MUFFLER
      • Removal
      • Installation
    • AIR CLEANER
      • Removal And Installation
    • ENGINE COOLING SYSTEM
      • Coolant Recovery Tank Removal And Installation
      • 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
      • Valve Guide Removal And Installation
      • 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
      • Idler Gear And Camshaft Removal And Installation
      • Camshaft – Servicing
      • Idler Gear And Shaft Servicing
    • FLYWHEEL AND HOUSING
      • Hydraulic Pump Coupler Removal And Installation
      • Flywheel Removal And Installation
      • Flywheel Ring Gear
  • HEATING AND VENTILATION
    • REGULAR MAINTENANCE
      • Cab Filters
    • TROUBLESHOOTING
      • Blower Motor Does Not Operate
      • Blower Motor Operates Normally, But Air Flow Is Insufficient
      • Electrical System
    • HEATER UNIT
      • Removal And Installation
    • HEATER COIL
      • Removal And Installation
    • BLOWER FAN
      • Removal And Installation
    • HEATER VALVE
      • Removal And Installation
    • HEATING / VENTILATION DUCT
      • Removal And Installation
  • SPECIFICATIONS
    • EXCAVATOR SPECIFICATIONS
      • Machine Dimensions
      • Machine Dimensions – Standard Arm
      • Machine Dimensions – Long Arm
      • Rated Lift Capacity – Canopy With Standard Arm And Medium Counterweight
      • Rated Lift Capacity – Canopy With Long Arm And Medium Counterweight
      • Rated Lift Capacity – Canopy With Standard Arm And Heavy Counterweight
      • Rated Lift Capacity – Canopy With Long Arm And Heavy Counterweight
      • Rated Lift Capacity – Cab With Standard Arm And Medium Counterweight
      • Rated Lift Capacity – Cab With Long Arm And Medium Counterweight
      • Rated Lift Capacity – Cab With Standard Arm And Heavy Counterweight
      • Rated Lift Capacity – Cab With Long Arm And Heavy Counterweight
      • Performance
      • Controls
      • Engine
      • Hydraulic System
      • Hydraulic Cylinders
      • Hydraulic Cycle Times
      • Electrical
      • Drive System
      • Slew System
      • Undercarriage
      • Capacities
      • Tracks
      • Environmental
      • Temperature Range
    • TECHNICAL SERVICE GUIDE SPECIFICATIONS
      • Engine
      • Engine Torques
      • Excavator Torques
      • Cooling System
    • TORQUE SPECIFICATION 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
      • O-ring Flare Fitting
      • Port Seal Fitting
      • Push To Connect Fittings
    • HYDRAULIC FLUID SPECIFICATIONS
      • 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
  • SERVICE SCHEDULE SYMBOLS

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