Bobcat X320, X322 Excavator 6724910 (6-12) (Preview)
MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
– FOREWORD
– SAFETY INSTRUCTIONS
– SERIAL NUMBER LOCATIONS
– HYDRAULIC EXCAVATOR SERIAL NUMBER
– ENGINE SERIAL NUMBER
– DELIVERY REPORT
– HYDRAULIC EXCAVATOR IDENTIFICATION
PREVENTIVE MAINTENANCE
– MAINTENANCE SAFETY
– SERVICE SCHEDULE
– ENGINE COVER
— Adjustment of the Engine Cover Latch
– AIR CLEANER SERVICE
— Daily Check
— Filter Replacement
– FUEL SYSTEM
— Filling the Fuel Tank
— Fuel Filter
— Fuel System Maintenance
— Removing Air From the Fuel System
— Fuel Specification
– ENGINE LUBRICATION SYSTEM
— Checking Engine Oil
— Replacement of Oil and Filter
– COOLING SYSTEM
— Coolant Level
— Coolant Replacement
— Propylene Glycol (Factory Installed)
– ALTERNATOR BELT ADJUSTMENT
– ELECTRICAL SYSTEM
— Electrical Relays and Diodes
— Fuses
— Service the Electrical System (and Battery)
— Removal and Installation of the Battery
— Electric Solenoid (Engine Stop)
– HYDRAULIC SYSTEM
— Checking and Adding Fluid
— Diagnostic Couplers
— Hydraulic Reservoir
— Replacement of the Hydraulic Filter
— Case Drain Hydraulic Filter
– TRACK TENSION
— Adjustment
– FINAL DRIVE CASE
— Checking Oil Level
— Draining Final Drive Case
– JOYSTICK CONTROL CHANGE
— ISO to Standard Control Pattern
— Standard to ISO Control Pattern
– LUBRICATION OF THE HYDRAULIC EXCAVATOR
– HEATER AIR FILTER (With Cab Option Only)
HYDRAULIC SECTION
– HYDRAULIC SCHEMATICS
– TROUBLESHOOTING
– HYDRAULIC SERVICE INFORMATION
— Checking the Main Relief Valves and Cross Port Relief Valve
— Checking the Hydraulic Pump
– HYDRAULIC PUMP
— Removal and Installation
— Coupler Removal and Installation
— Hydraulic Pump Assembly
— Disassembly
— Assembly
– HYDRAULIC CONTROL VALVE
— Description
— Removal and Installation
— Disassembly
— Outlet Section Disassembly
— Outlet Section Assembly
— Mid Inlet Section Disassembly
— Mid Inlet Section Assembly
— Left Travel, Right Travel, Auxiliary and Blade Disassembly
— Left Travel, Right Travel, Auxiliary and Blade Assembly
— Boom, Bucket Arm and Swing Disassembly
— Boom, Bucket, Arm and Swing Assembly
— Utility Block Disassembly
— Utility Block Assembly
— Boom Swing Disassembly
— Boom Swing Assembly
— Boost Disassembly
— Boost Assembly
— Assembly
– PORT RELIEF VALVES
— Parts Identification
— Port Relief Valve Pressure Setting
— Disassembly
— Assembly
— Adjustment Procedure
— Disassembly
— Assembly
— Adjusting the Main Relief Valves
– ACCUMULATOR
— Pressure Reducing Valve (Description)
— Removal and Installation
— Disassembly (S/N 562313001 – 562320721 &517811001 – 517811977)
— Assembly (S/N 562313001 – 562320721 & 517811001– 517811977)
— Parts Identification (S/N 562320721 & Above & 517811978 & Above)
— Disassembly (S/N 562320721 & Above & 517811978 & Above)
— Assembly (S/N 562320721 & Above & 517811978 & Above)
— Testing (All Models)
– BOOM CYLINDER
— Removal and Installation
– ARM CYLINDER
— Removal and Installation
– BUCKET CYLINDER
— Removal and Installation
– BLADE CYLINDER
— Removal and Installation
– BOOM SWING CYLINDER
— Removal and Installation
– TRACK FRAME EXPANSION CYLINDER 322 (S/N 517811001 & Above)
– HYDRAULIC CYLINDER
— Disassembly
— Assembly
— Disassembly
— Assembly
– HYDRAULIC FILTER ASSEMBLY
— Removal and Installation
– AUXILIARY FLUSH FACE COUPLERS
— Removal and Installation
– DRAIN BLOCK
— Removal and Installation
– OIL COOLER
— Removal and Installation
– JOYSTICK CONTROL CHANGE
— ISO To Standard
— Standard to ISO
DRIVE SECTION
– FLOORMAT AND FLOOR PANELS
— Removal and Installation
– MICROSWITCH
— Adjustment
— Removal and Installation
– CONSOLE COVER LEFT HAND
— Removal and Installation
– JOYSTICK
— Removal and Installation
– CONTROL CONSOLE LEFT HAND
— Removal and Installation
– FUEL TANK
— Removal and Installation
– LOCK LEVER
— Removal and Installation
— Adjustment
– LATCH HOOK
— Removal and Installation
– GAS SPRING
— Removal and Installation
– UPPER CONSOLE
— Removal and Installation
– CONTROL CONSOLE RIGHT HAND
— Rops Canopy Models
— Cab Models
– CONSOLE COVER RIGHT HAND
— Removal and Installation
– CONTROL CONSOLE RIGHT HAND
— Removal and Installation
– HYDRAULIC RESERVOIR
— Removal and Installation
– TRAVEL LEVERS
— Removal and Installation
— Disassembly and Assembly
– PEDAL RIGHT HAND
— Removal and Installation
— Disassembly and Assembly
– PEDAL LEFT HAND
— Removal and Installation
— Disassembly and Assembly
– ROCKERSHAFT
— Removal and Installation
— Disassembly and Assembly
– LINKAGE RODS
— Removal and Installation
– BLADE LEVER
— Removal and Installation
— Disassembly and Assembly
– DRIVE MOTOR
— Removal and Installation
— Parts Identification
— Disassembly
— Assembly
– JOYSTICK
— Parts Identification
— Disassembly
— Assembly
— Troubleshooting
UPPER WORKS AND SWING SECTION
– SWING MOTOR
— Removal and Installation
— Disassembly
— Assembly
— Motor Timing
– CENTER SWIVEL JOINT (S/N 562313001 – 562319999)
— Removal and Installation
— Disassembly and Assembly
– CENTER SWIVEL JOINT 320 (S/N 562320000 &Above) and 322 (S/N 517811001 & Above)
— Removal And Installation
— Parts Identification
— Disassembly
— Assembly
– UPPERSTRUCTURE
— Removal
— Installation
– SWING CIRCLE GEAR
— Removal and Installation
– ROPS CANOPY
— Removal and Installation
– CAB
— Removal and Installation
— Door (Removal and Installation)
— Front Window Removal and Installation
— Front Lower Window Removal and Installation
— Front Upper Window Removal and Installation
— Door Glass (Removal and Installation)
— Left Hand Side Glass (Removal and Installation)
— Right Hand Side Window Removal and Installation
— Right Hand Window Assembly Removal and Installation
— Rear Window Removal and Installation
– CAB/CANOPY REAR COVER
— Removal
— Installation
– AIR BAFFLE (Cab Models Only)
— Removal and Installation
– BELLY PAN (Field Installed)
— Removal and Installation
MAIN FRAME AND TRACKS
– ENGINE COVER
— Removal and Installation
– CORNER POSTS
— Removal and Installation
– COUNTERWEIGHT
— Removal and Installation
– SEAT AND SEAT MOUNT
— Removal and Installation
– SPEED CONTROL LEVER/SWING LOCK LEVER AND MOUNTING
— Removal and Installation
– BUCKET
— Removal and Installation
— Installation
– ARM
— Removal and Installation
– ARM BUSHINGS
— Arm To Boom Bushing Removal And Installation
— Arm To Bucket and Bucket Link Bushing Removal and Installation
– BOOM
— Removal and Installation
– BOOM BUSHING
— Removal And Installation
– SWING POST
— Removal and Installation
— Bushing Replacement
— Swing Post Bushing Removal
— Bushing Installation
– TRACK
— Adjustment 320 (S/N 562313001 – 562319999)
— Adjustment 320 (S/N 562320000 & Above) and 322 (S/N 517811001 & Above)
— Removal and Installation
— Track Damage Identification and Causes
– TRACK FRAME
— Disassembly and Assembly 320 (S/N 562313001 – 562319999)
— Disassembly and Assembly 320 (S/N 562320000 & Above) and 322 (S/N 517811001 & Above)
— Recoil Spring Cylinder Disassembly And Assembly
— Removal and Installation of Expandible Track Frame (322 only)
– TRACK DAMAGE IDENTIFICATION
— Cutting of the Steel Cords
— Abrasion of Embedded Metals
— Separation of Embedded Metals Due to External Forces
— Separation of Embedded Metals Due To Corrosion
— Cuts On The Lug Side
— Cracks On The Lug Side Rubber Due To Fatigue
— Lug Abrasion
— Cracks and Cuts on the Lug Side Rubber at the Edges of the Embedded Metals
— Abrasion Of The Track Roller Side Rubber Surface
— Cuts On The Edges Of The Track Roller Side
ELECTRICAL SYSTEM
– ELECTRICAL SCHEMATICS
– TROUBLESHOOTING
— Chart
– ELECTRICAL SYSTEM
— Description
— Fuses
— Electrical System Service
— Electrical Relays and Diodes
– BATTERY
— Using A Booster Battery (Jump Starting)
— Removal and Installation
– BATTERY BOX
— Removal and Installation
– CAB ELECTRICAL (Cab Option)
— Removal and Installation
– ALTERNATOR
— Checking the Alternator Output
— Removal and Installation
— Belt Adjustment
– STARTER
— Removal and Installation
— Disassembly and Assembly
— Cleaning and Inspection
– HORN
— Removal and Installation
– FUEL LEVEL SENDER
— Removal and Installation
– LIGHT SWITCH
— Removal and Installation
– TWO SPEED SWITCH
— Removal and Installation
ENGINE SERVICE
– TROUBLESHOOTING
— Chart
– VALVE CLEARANCE
— Adjustment
– ENGINE COMPRESSION
— Checking
– FUEL SHUTOFF SOLENOID
— Removal and Installation
— Timer Module Removal and Installation
– FUEL INJECTION PUMP
— Checking the Injection Pump
— Timing the Injection Pump
– FUEL INJECTOR NOZZLES
— Removal and Installation
— Checking the Injector Nozzle
– GLOW PLUGS
— Removal and Installation
— Checking the Glow Plug
– BELT GUARD
— Removal and Installation
– RADIATOR
— Removal and Installation
– SPARK ARRESTOR MUFFLER (If Equipped)
— Cleaning Spark Chamber
— Removal and Installation
– AIR CLEANER
— Removal and Installation
– ENGINE
— Removal and Installation
– ENGINE FLYWHEEL (EARLY MODELS)
— Removal and Installation
— Hydraulic Pump Coupler
– ENGINE FLYWHEEL (LATER MODELS)
— Removal And Installation
— Hydraulic Pump Coupler
— Flywheel Ring Gear
– CYLINDER HEAD
— Removal and Installation
— Disassembly and Assembly
— Servicing the Cylinder Head
— Top Clearance
– VALVE, VALVE SEAT AND GUIDE
— Checking the Valve Guide
— Reconditioning the Valve and Valve Seat
— Valve Spring
– ROCKER ARM AND SHAFT
— Checking
– TIMING GEARCASE COVER
— Removal and Installation
– IDLER GEAR AND CAMSHAFT
— Removal and Installation
— Servicing the Idler Gear and Shaft
– TIMING GEARS
— Checking Backlash
– FUEL CAMSHAFT
— Removal and Installation
– CRANKSHAFT GEAR
— Removal and Installation
– OIL PUMP
— Removal and Installation
— Oil Pump Service
— Checking Engine Oil Pressure
— Relief Valve
– PISTON AND CONNECTING ROD
— Removal and Installation
— Servicing the Piston and Connecting Rod
— Connecting Rod Alignment
– CRANKSHAFT AND BEARINGS
— Removal and Installation
— Servicing the Crankshaft and Bearings
– CYLINDER BORE
— Checking the Cylinder Bore
– WATER PUMP
— Removal and Installation
— Disassembly and Assembly
TECHNICAL DATA
– HYDRAULIC EXCAVATOR SPECIFICATIONS
— Machine Dimensions
— SPECIFICATIONS
– ENGINE SPECIFICATIONS
— Engine
— Fuel Injector Nozzles
— Fuel Injection Pump
— Cylinder Head
— Valves
— Valve Springs
— Rocker Arms
— Camshaft
— Cylinders
— Piston Rings
— Pistons
— Crankshaft
— Oil Pump
— Thermostat
— ENGINE BOLT TORQUE
— Re–Grinding The Crankshaft
– HYDRAULIC FLUID SPECIFICATIONS
— Specifications
– FUEL, COOLANT AND LUBRICANTS
— Chart
SERVICE MANUAL REVISION
– 320-1
– 320-2
– 320/322-3
– 320/322-4
– 320/322-5
– 320/322-6
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