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Bobcat 329 Excavator Service Manual (SN AACL11001-AACL99999)

Format: PDF (Printable Document)

File Language: English

File Pages: 922

File Size: 27.80 MB (Speed Download Link)

Brand: Bobcat

Model: 329 Excavator

Book No: 6986946

Serial No: SN AACL11001-AACL99999

Type of Document: Service Manual

Categories: ,

$ 45

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Bobcat 329 Excavator Service Manual (SN AACL11001-AACL99999)

The Bobcat 329 is a small compact excavator, good for trenching, footings, service lines, and tight jobsite work where a big Cat or Deere won't fit. The people who reach for this service manual are the ones actually turning wrenches: shop mechanics, field techs, or owner-operators who are past warranty. They're trying to track down hydraulic issues, chase electrical faults, or tear into engines and final drives without guessing. If you're doing more than filters and grease, this is the level of book you want.

What this manual helps you do

  • Diagnose hydraulic problems, check pressures, and trace leaks in the main and pilot circuits.
  • Follow step-by-step teardown and reassembly on components like cylinders, swing motor, travel motors, and control valves.
  • Troubleshoot electrical issues using wiring diagrams, test procedures, and connector callouts.
  • Set and verify adjustments on controls, linkages, and travel functions after repairs.
  • Replace major assemblies such as engine, pumps, and drive components with the right removal and installation sequences.

Who this is for

This is for anyone working on a Bobcat 329 excavator with serial number AACL11001 through AACL99999: small contractors, rental fleets, shop mechanics, or owner-operators. If you only need to know how to run the machine or basic maintenance intervals, 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, these manuals are usually text searchable and the wiring diagrams are clear enough to zoom in and read pin numbers and wire colors.

Q: Does this cover my exact 329 or just some versions?

A: If your serial number starts with AACL and falls between AACL11001 and AACL99999, this is the correct manual for your machine.

Q: Is this the right document if I'm doing a full repair, not just looking up parts?

A: Yes, this is the workshop service manual, not a parts book, so it's meant for real repair work and diagnostics.

Bottom line: If your 329's serial tag is in that AACL11001-AACL99999 range and you're doing actual repair work, this is the right manual. If you only need operating tips, skip it.

📘 Show Index

Table of Contents:

  • 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
      • Procedure
    • UPPERSTRUCTURE SLEW LOCK
      • Operation
    • LIFTING THE EXCAVATOR
      • Procedure
    • OPERATOR CAB (ROPS / TOPS)
      • Description
      • Cab Door
      • Front Window
      • Front Wiper
      • Window Washer Reservoir
      • Right Side Window
      • Heating, Ventilation And Air Conditioning Duct
    • TRANSPORTING THE EXCAVATOR ON A TRAILER
      • Loading And Unloading
      • Fastening
    • TAILGATE
      • Opening And Closing
      • Adjusting The Bumper
      • Adjusting The Latch
    • RIGHT SIDE COVER
      • Opening And Closing
      • Adjusting The Latch
    • SERVICE SCHEDULE
      • Chart
    • AIR CLEANER SERVICE
      • Daily Check
      • Replacing Filter Elements
    • 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 Fluid
      • Hydraulic Fluid Chart
      • Removing And Replacing Hydraulic Filters
      • Removing And Replacing Hydraulic Fluid
    • LUBRICATING THE EXCAVATOR
      • Lubrication Locations
    • TRAVEL MOTOR
      • Checking And Adding Oil
      • Removing And Replacing Oil
    • SPARK ARRESTOR MUFFLER
      • Cleaning Procedure
    • ALTERNATOR BELT
      • Belt Adjustment
      • Belt Replacement
    • SEAT BELT
      • Inspection And Maintenance
    • PIVOT PINS
      • Inspection And Maintenance
    • EXCAVATOR STORAGE AND RETURN TO SERVICE
      • Storage
      • Return to Service
    • STOPPING THE ENGINE AND LEAVING THE EXCAVATOR
      • Procedure
      • Emergency Exits
    • MOTION ALARM SYSTEM (IF EQUIPPED)
      • Description
      • Inspecting
      • Adjusting Switch Position
    • REMOTE START TOOL KIT – MEL1563
      • Remote Start Tool – MEL1563
      • Service Tool Harness Communicator – MEL1566
    • REMOTE START TOOL (SERVICE TOOL) KIT – 7003031
      • Description
      • Remote Start Tool (Service Tool) – 7003030
      • Excavator Service Tool Harness – 6689747
      • Computer Service Tool Harness – 6689746
    • TOWING THE EXCAVATOR
      • Procedure
  • 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
    • CYLINDER (ANGLE BLADE)
      • Testing
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • CYLINDER (EXTENDABLE ARM)
      • Testing
      • Parts Identification
      • Disassembly
      • Assembly
    • VALVE (MAIN RELIEF)
      • Testing And Adjusting The Main Relief Valve
    • VALVES (PORT RELIEF)
      • Testing And Adjusting Port Relief Valve Pressure
    • VALVES (CROSSPORT RELIEF)
      • Testing And Adjusting The Crossport Relief Valves
    • VALVE (PRESSURE REDUCING)
      • Testing And Adjusting The Pressure Reducing Valve
    • VALVE (BOOM LOCK)
      • Removal And Installation
    • VALVE (ARM LOCK)
      • Removal And Installation
    • HYDRAULIC CONTROL VALVE
      • Description
      • Removal And Installation
      • Disassembly
      • Right Travel Valve Section Disassembly And Assembly
      • Boom Swing Valve Section Disassembly And Assembly
      • Boom Valve Section Disassembly And Assembly
      • Left Travel Valve Section Disassembly And Assembly
      • Arm Valve Section Disassembly And Assembly
      • Bucket Valve Section Disassembly And Assembly
      • Auxiliary Valve Section Disassembly And Assembly
      • Boost Valve Section Disassembly And Assembly
      • Blade Valve Section Disassembly And Assembly
      • Slew Valve Section Disassembly And Assembly
      • Assembly
    • HYDRAULIC PUMP
      • Description
      • Torque Adjustment
      • Testing The Piston Pump
      • Testing The Gear Pump
      • Testing Auxiliary Hydraulic Flow
      • Removal And Installation
      • Coupler Removal And Installation
      • Hydraulic Pump Start Up
      • Parts Identification (Gear Pump)
      • Parts Identification (Piston Pump)
      • Disassembly
      • Gear Pump Disassembly
      • Gear Pump Assembly
      • Piston Pump Disassembly
      • Piston Pump Assembly
      • Assembly
    • MANIFOLD ASSEMBLY / ACCUMULATOR
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • MANIFOLD ASSEMBLY / ACCUMULATOR (WITH ANGLE BLADE)
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • TRAVEL MOTOR
      • Description
      • Removal and installation
      • Parts Identification
      • Disassembly
      • Assembly
    • SWIVEL JOINT
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • SWING MOTOR
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • SWING MOTOR (DRIVE CARRIER)
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • CONTROL PATTERN SELECTOR VALVE
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • RIGHT CONTROL LEVER (JOYSTICK)
      • Description
      • Testing
      • Handle Removal And Installation
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • LEFT CONTROL LEVER (JOYSTICK)
      • Description
      • Testing
      • Handle Removal And Installation
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • FILTER (HYDRAULIC)
      • Description
      • Housing Removal And Installation
    • FILTER (CASE DRAIN)
      • Description
      • Housing Removal And Installation
    • HYDRAULIC RESERVOIR
      • Description
      • Removal And Installation
    • OIL COOLER
      • Description
      • Removal And Installation
    • DIRECT TO TANK VALVE
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • BUILDUP VALVE
      • Description
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • 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
    • HYDRAULIC X-CHANGE MANIFOLD
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
    • SECONDARY AUXILIARY VALVE
      • Removal And Installation
      • Parts Identification
      • Disassembly And Assembly
  • UNDERCARRIAGE
    • BLADE
      • Description
      • Removal And Installation
    • BLADE (ANGLE)
      • Removal And Installation
    • TRACK FRAME COMPONENTS
      • Description
      • Track Lug Height
      • Checking Tension
      • Adjusting Tension
      • Rubber Track Removal And Installation
      • Steel Track Removal And Installation
      • Idler (Front) Removal And Installation
      • Idler (Front) Parts Identification
      • Idler (Front) Disassembly
      • Idler (Front) Assembly
      • Coil Spring Assembly And Cylinder Disassembly And Assembly (W/o Replaceable Shaft)
      • Coil Spring Cylinder Parts Identification (W/ Replaceable Shaft)
      • Coil Spring Assembly And Cylinder Disassembly And Assembly (With Replaceable Shaft)
      • Roller Removal and Installation
      • Roller Parts Identification
      • Roller Disassembly
      • Roller Assembly
      • Track Guide Removal And Installation
      • Sprocket Removal And Installation
      • Track Damage Identification
    • SWING CIRCLE GEAR
      • Removal And Installation
  • UPPERSTRUCTURE AND SWING SECTION
    • UPPERSTRUCTURE
      • Description
      • Removal
      • Installation
    • CANOPY
      • Removal And Installation
    • 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
      • Glass Removal
      • 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 Installation
    • SEAT AND SEAT MOUNT
      • Seat Mount Removal And Installation
      • Seat Removal And Installation
    • RIGHT CONSOLE
      • Description
      • Console Cover Removal And Installation
      • Console Frame Removal And Installation
    • LEFT CONSOLE
      • Description
      • Joystick Console Cover (Bottom) Removal And Installation
      • Joystick Console Cover (Top) Removal And Installation
      • Compression Spring Removal And Installation
      • Compression Spring Disassembly And Assembly
      • Lever Removal And Installation
      • Joystick Console Frame Removal And Installation
      • Joystick Console Frame Disassembly And Installation
      • Left Rear Console Cover Removal And Installation
      • Left Rear Console Frame Removal And Installation
      • Left Rear Console Frame Disassembly And Assembly
    • BLADE CONTROL
      • Removal And Installation
      • Disassembly And Assembly
      • Linkage Removal And Installation
      • Linkage Disassembly And Assembly
    • UPPERSTRUCTURE SLEW LOCK
      • Removal And Installation
      • Disassembly And Assembly
    • FLOOR MAT AND FLOOR PANEL
      • Description
      • Removal And Installation
    • BOOM SWING PEDAL
      • Description
      • Removal And Installation
      • Disassembly And Assembly
      • Linkage Removal And Installation
    • TRAVEL LEVERS / PEDALS
      • Description
      • Adjustment
      • Removal And Installation
      • Disassembly And Assembly
    • FUEL TANK
      • Removal And Installation
    • HORN
      • Removal And Installation
    • SWING FRAME
      • Description
      • Removal And Installation
      • Hose Routing
      • Bushing Removal And Installation
      • Swing Frame Bushing Removal And Installation
    • BOOM
      • Description
      • Removal And Installation
    • ARM
      • Description
      • Removal And Installation
      • Arm To Boom Bushing Removal And Installation
      • Arm To Bucket And Bucket Link Bushing Removal And Installation
    • ARM (EXTENDABLE)
      • Removal And Installation
      • Arm To Boom Bushing Removal And Installation
      • Arm To Bucket Bushing Removal And Installation
      • Disassembly And Assembly
      • Shimming Procedure
    • BUCKET
      • Removal And Installation (Pin-On X-Change)
      • Removal And Installation (Bolt-On X-Change)
      • Removal And Installation (Pin-On Attachment)
      • Bucket Teeth Removal And Installation
      • Bucket Side Cutting Edge Removal And Installation
    • TAILGATE
      • Removal And Installation
      • Latch Removal And Installation
    • X-CHANGE
      • Pin-On Removal And Installation
      • Pin-On Disassembly and Assembly
    • X-CHANGE (HYDRAULIC)
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • RIGHT SIDE COVER
      • Removal And Installation
    • QUICK COUPLER (KLAC™ SYSTEM)
      • Troubleshooting
      • Daily Inspection
      • Removal And Installation
      • Parts Identification
      • Disassembly
      • Assembly
    • QUICK COUPLER (LEHNHOFF® SYSTEM)
      • Troubleshooting
      • Daily Inspection
      • Removal (MS03 And MS08)
      • Installation (MS03 And MS08)
      • Parts Identification (MS03)
      • Disassembly And Assembly (MS03)
      • Parts Identification (MS08)
      • Disassembly (MS08)
      • Assembly (MS08)
    • TOOL BOX
      • Removal And Installation
  • ELECTRICAL SYSTEM AND ANALYSIS
    • ELECTRICAL SCHEMATICS
    • ELECTRICAL SYSTEM INFORMATION
      • Glossary Of Electrical Symbols
      • Harness Connectors
      • Troubleshooting
      • Description
      • Fuse And Relay Locations / Identification
    • BATTERY
      • Removal And Installation
      • Servicing
      • Using A Booster Battery (Jump Starting)
    • ALTERNATOR
      • Belt Adjustment
      • Belt Replacement
      • Charging System Inspection
      • Description
      • Tests
      • Alternator Output Test
      • Full Field Test
      • Alternator Regulator Test
      • Alternator Regulator Test With Voltmeter
      • Removal And Installation
      • Parts Identification
    • STARTER
      • Testing
      • Removal And Installation
      • Parts Identification
    • LIGHTS
      • Upperstructure Light Removal And Installation
      • Upperstructure Light Disassembly And Assembly
      • Boom Light Removal And Installation
      • Boom Light Bulb Replacement
    • MAGNETIC LOCKOUT SENSOR
      • Testing Left Console Magnetic Lockout Sensor
      • Left Console Magnetic Lockout Sensor Removal And Installation
    • FUEL LEVEL SENDER
      • Removal And Installation
      • Testing
    • DIAGNOSTICS SERVICE CODES
      • Description
      • 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
      • 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)
    • SHUT-OFF SWITCH
      • Description
      • Removal And Installation
    • TRAVEL MOTOR AUTO-SHIFT
      • Auto-Shift Drive System (If Equipped)
      • Troubleshooting
  • ENGINE SERVICE
    • ENGINE INFORMATION
      • Description
      • Specifications
      • Torque Values
      • Troubleshooting
      • Removal And Installation
      • Engine Mount Replacement
      • Compression – Checking
    • ENGINE SPEED CONTROL
      • Removal And Installation
    • SPARK ARRESTOR MUFFLER
      • Removal And Installation
    • AIR CLEANER
      • Removal And Installation
    • ENGINE COOLING SYSTEM
      • Radiator Removal And Installation
      • Water Pump Removal And Installation
      • Water Pump Disassembly And Assembly
      • Thermostat Housing Removal And Installation
      • Testing The Thermostat
    • LUBRICATION SYSTEM
      • Oil Pan Removal And Installation
      • Oil Pump Removal And Installation
      • Oil Pump Inspection
      • Engine Oil Pressure – Testing
    • FUEL SYSTEM
      • Fuel Camshaft Removal And Installation
      • Fuel Camshaft Governor Disassembly And Assembly
      • Fuel Shutoff Solenoid – Checking
      • Fuel Shutoff Solenoid Removal And Installation
      • Fuel Injection Pump Removal And Installation
      • Injection Pump – Timing
      • Fuel Injector Removal And Installation
      • Fuel Injector Nozzle Pressure – Checking
      • Nozzle Spray Condition
      • Valve Seat Tightness
    • CYLINDER HEAD
      • Glow Plug – Testing
      • Glow Plug 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 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 Shaft Removal And Installation
      • Camshaft – Servicing
      • Idler Gear And Shaft Servicing
    • FLYWHEEL AND HOUSING
      • Flywheel Housing Removal And Installation
      • Hydraulic Pump Coupler Removal And Installation
      • Flywheel Removal And Installation
      • Rear End Plate Removal And Installation
  • HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
    • HEATER SYSTEM
      • Description
      • Components
    • REGULAR MAINTENANCE
      • Filter Element Removal And Installation
      • Heater Coil
    • 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
    • EVAPORATOR / HEATER UNIT
      • Removal And Installation
    • THERMOSTAT
      • Description
      • Removal And Installation
    • EXPANSION VALVE
      • Removal And Installation
    • EVAPORATOR COIL
      • Removal And Installation
    • HVAC DUCT
      • Removal And Installation
  • SPECIFICATIONS
    • 329 EXCAVATOR SPECIFICATIONS
      • Dimensions
      • Performance
      • Controls
      • Engine
      • Hydraulic System
      • Hydraulic Cylinders
      • Hydraulic Cycle Times
      • Electrical
      • Drive System
      • Slew System
      • Undercarriage
      • Capacities
      • Tracks
      • Ground Pressure
    • 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 FLUID SPECIFICATIONS
      • Specifications
    • CONVERSIONS
      • Decimal And Millimeter Equivalents
      • U.S. To Metric Conversion Chart
    • SERVICE TOOLS REQUIRED
      • Remote Start Tools
      • Hydraulic Tools
      • Engine Tools
      • HVAC Tools
  • ALPHABETICAL INDEX

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