Komatsu WB91R-2, WB93R-2 Avance Backhoe Loader Operation & Maintenance Manual
281 pages · Publication WEAM002304
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- Models
- WB91R-2, WB93R-2 Avance
- Serial coverage
- WB91R-2 91F20250 and up, WB93R-2 93F25184 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 281
- Publication
- WEAM002304
- Condition
- Brand new
What's inside
From the manual's own table of contents: 74 sections, 350 entries. See sample pages (PDF, 467 KB)
General33 topics
- FOREWORD
- INFORMATION ON SAFETY
- INTRODUCTION
- INTENDED USES
- IMPROPER OR UNAUTHORIZED USES
- MAIN CHARACTERISTICS
- RUNNING-IN
- PRODUCT IDENTIFICATION
- MACHINE SERIAL NUMBER
- MACHINE IDENTIFICATION PLATE
- ENGINE SERIAL NUMBER AND EXHAUST GAS EMISSION PLATE
- FRONT AXLE SERIAL NUMBER
- REAR AXLE SERIAL NUMBER
- TRANSMISSION SERIAL NUMBER
- CAB SERIAL NUMBER
- CANOPY SERIAL NUMBER (if provided)
- SERIAL NUMBERS AND DEALER’S ADDRESS
- SAFETY, NOISE AND VIBRATION PLATES
- POSITION OF THE SAFETY PLATES
- PICTOGRAMS AND RELEVANT MEANINGS
- POSITION OF THE NOISE PLATES ON MACHINES WITH CAB (model WB91R-2)
- POSITION OF THE NOISE PLATES ON MACHINES WITH CAB (model WB93R-2)
- VIBRATIONS TO WHICH THE OPERATOR IS SUBJECTED
- GENERAL PRECAUTIONS
- GENERAL SAFETY RULES
- SAFETY DEVICES AND GUARDS
- CLOTHING AND PERSONAL PROTECTION ITEMS
- UNAUTHORIZED MODIFICATIONS
- LEAVING THE OPERATOR’S SEAT
- GETTING ON AND OFF THE MACHINE
- CHECKING THE REAR-VIEW MIRRORS
- PREVENTING FIRES DUE TO FUEL AND OIL
- PREVENTING BURNS
PREVENTING DAMAGE DUE TO ASBESTOS POWDER
PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT
FIRE EXTINGUISHERS AND FIRST AID KIT
PRECAUTIONS CONCERNING THE CAB STRUCTURE
PRECAUTIONS CONCERNING THE EQUIPMENT5 topics
- PRECAUTIONS TO BE TAKEN BEFORE STARTING THE ENGINE
- SAFETY ON THE WORK SITE
- FIRE PREVENTION
- PRECAUTIONS TO BE TAKEN FOR THE OPERATOR'S CAB
- ROOM VENTILATION
WIPER BLADES AND THE BULBS10 topics
- PRECAUTIONS TO BE TAKEN WHEN WORKING
- STARTING THE ENGINE
- RULES FOR ROAD TRAVEL
- CHECKS FOR TRAVELLING IN REVERSE
- MOVING THE MACHINE
- WORKING ON SLOPES
- PREVENTING ELECTROCUTION
- VISIBILITY
- WORKING ON ICY OR SNOW-COVERED SURFACES
- PREVENTING DAMAGE CAUSED BY THE WORK EQUIPMENT
WORKING ON LOOSE GROUND
PARKING THE MACHINE16 topics
- TRANSPORTING THE MACHINE ON MOTOR VEHICLES
- LOADING AND UNLOADING
- TRANSPORT
- BATTERY
- PREVENTING RISKS THAT MAY BE DUE TO THE BATTERY
- STARTING WITH BOOSTER CABLES
- PRECAUTIONS FOR THE REMOVAL
- PRECAUTIONS FOR MAINTENANCE
- WARNING PLATES
- TOOLS
- PERSONNEL
- EQUIPMENT
- WORKING UNDER THE MACHINE
- CLEANING THE MACHINE
- USE OF THE ENGINE DURING MAINTENANCE OPERATIONS
- PERIODICAL CHANGE OF THE PARTS THAT ARE CRITICAL FOR SAFETY
OR INSPECTION
RULES TO BE FOLLOWED DURING FUEL OR OIL TOPPING UP
CHECKING THE COOLANT LEVEL IN THE RADIATOR
USING LAMPS
PRECAUTIONS CONCERNING THE BATTERY AND THE ALTERNATOR1 topic
- PRECAUTIONS CONCERNING THE STARTER
HANDLING HIGH-PRESSURE PIPES
PRECAUTIONS TO BE TAKEN WHEN HANDLING HIGH-PRESSURE OIL
AND HIGH PRESSURE
COOLING FAN AND BELT
WASTE MATERIALS
PRECAUTIONS TO BE TAKEN WHEN INFLATING TYRES
PRECAUTIONS FOR THE INSTALLATION OF THE EXHAUST SYSTEM TAILPIPE
TYPE HEES76 topics
- SAFETY LOCKS
- FRONT LOADER LOCKS
- BACKHOE LOCKS
- GENERAL VIEWS
- FRONT GENERAL VIEW
- BACKHOE GENERAL VIEW
- CAB INSIDE GENERAL VIEW
- CAB INSIDE GENERAL VIEW (Standard version)
- INSTRUMENTS AND CONTROLS
- FRONT INSTRUMENTS
- SIDE INSTRUMENTS
- SIDE INSTRUMENTS (Standard version)
- SIDE INSTRUMENTS (Version with servo controls available on request)
- PUSH BUTTONS ON THE FRONT LOADER CONTROL LEVER
- PUSH BUTTON ON THE GEARSHIFT LEVER
- ELECTRICAL ACCESSORIES
- MACHINE CONTROLS
- MACHINE CONTROLS (Standard version)
- FUSES AND RELAYS
- EQUIPMENT FUSES AND RELAYS
- FUSES
- RELAYS
- ENGINE FUSES AND RELAYS
- FUSES
- RELAYS
- SIDE DASHBOARD RELAYS
- SIDE DASHBOARD RELAYS AND FUSES (Only with servo controls)
- FUSES
- GUARDS, CAB AND DRIVER’S SEAT
- ENGINE HOOD
- CANOPY (if provided)
- VENTILATION AND HEATING
- AIR CONDITIONER (if installed)
- SEAT
- SEAT (STANDARD)
- SEAT (OPTIONAL)
- SAFETY BELT
- FIRE EXTINGUISHER
- FIRST AID KIT
- TECHNICAL DOCUMENTATION
- ADDITIONAL TOOL BOX (if provided)
- USE OF THE MACHINE
- CHECKS BEFORE STARTING THE ENGINE
- VISUAL CHECKS
- DAILY CHECKS
- OPERATIONAL CHECKS
- STARTING THE ENGINE
- STARTING WITH WARM ENGINE OR IN TEMPERATE CLIMATES
- STARTING WITH COLD ENGINE OR IN COLD CLIMATES
- WARMING THE ENGINE
- HEATING THE HYDRAULIC OIL
- HOW TO MOVE THE MACHINE
- DIFFERENTIAL LOCKING
- ENGAGING THE FOUR-WHEEL DRIVE
- WORKING ON SLOPES
- MAXIMUM IMMERSION DEPTH
- PARKING THE MACHINE
- PARKING ON LEVEL GROUND
- PARKING ON SLOPES
- STOPPING THE ENGINE
- LOADING AND UNLOADING THE MACHINE
- TRANSPORT
- PRECAUTIONS TO BE TAKEN IN THE COLD SEASON
- FUEL AND LUBRICANTS
- COOLANT
- BATTERY
- OTHER PRECAUTIONS
- PRECAUTIONS TO BE TAKEN AT THE END OF WORK
- PRECAUTIONS TO BE TAKEN IN THE WARM SEASON
- USING THE MACHINE AS A LOADER
- BUCKET POSITION INDICATOR
- ORGANIZING THE WORK AREA
- LOADING HEAPED AND LEVEL MATERIAL
- LOADING OPERATIONS ON SLOPES
- CHANGING THE STANDARD FRONT BUCKET
- USING THE MACHINE AS AN EXCAVATOR
THAT MUST BE CARRIED OUT44 topics
- POSITIONING THE MACHINE FOR DIGGING OPERATIONS
- SLIDING THE BACKHOE UNIT SIDEWARDS
- DIGGING METHOD
- CHANGING THE BACKHOE BUCKET
- LONG PERIODS OF INACTIVITY
- BEFORE THE PERIOD OF INACTIVITY
- DURING THE PERIOD OF INACTIVITY
- AFTER THE PERIOD OF INACTIVITY
- TROUBLESHOOTING
- HOW TO REMOVE THE MACHINE
- AFTER THE FUEL HAS RUN OUT
- IF THE BATTERY IS DOWN
- STARTING WITH BOOSTER CABLES
- OTHER TROUBLES
- ELECTRICAL CIRCUIT
- HYDRAULIC SYSTEM
- BRAKING SYSTEM
- CONVERTER
- ENGINE
- GUIDE TO MAINTENANCE
- MAINTENANCE NOTES
- NOTES REGARDING THE ENGINE
- ENGINE OIL
- COOLANT
- FUEL
- NOTES REGARDING THE HYDRAULIC SYSTEM
- NOTES REGARDING THE ELECTRICAL SYSTEM
- NOTES REGARDING LUBRICATION
- PARTS SUBJECT TO WEAR THAT PERIODICALLY NEED CHANGING
- FUEL, COOLANT AND LUBRICANTS
- HOMOLOGATED HEES SYNTHETIC BIODEGRADABLE LUBRICANTS
- DRIVING TORQUES FOR SCREWS AND NUTS
- STANDARD DRIVING TORQUES
- SPECIFIC TIGHTENING TORQUES
- LUBRICATION
- LUBRICATION DIAGRAM
- LUBRICATION DIAGRAM (4in1 bucket and pallet forks)
- LUBRICATION DIAGRAM (Front bucket rapid couplings)
- LUBRICATION DIAGRAM (Telescopic arm)
- LUBRICATION DIAGRAM (Offset device)
- PERIODICAL CHANGE OF THE COMPONENTS CONNECTED WITH SAFETY
- CRITICAL PARTS FOR SAFETY
- MAINTENANCE PLAN
- WHEN REQUIRED
CHECKING, CLEANING OR CHANGING THE AIR CLEANER CARTRIDGE
Show all 75 sections
CHECKING AND CLEANING THE CAB AIR FILTER
(only for machines with air conditioner)
BLEEDING THE BRAKING CIRCUIT
CLEANING THE WATER SEPARATOR
CHECKING AND ADJUSTING THE FRONT WHEEL TOE-IN
CHECKING AND ADJUSTING THE PARKING BRAKE
CHECKING THE BRAKING EFFICIENCY
CHECKING AND ADJUSTING THE BRAKE PEDAL STROKE
OF THE FRONT BUCKET (if installed)
CHECKING AND ADJUSTING THE STABILIZER SLACK1 topic
- MAINTENANCE INTERVALS IN CASE OF USE OF THE DEMOLITION HAMMER
CHANGING THE HYDRAULIC OIL FILTER
CHANGING THE HYDRAULIC OIL1 topic
- CHECKS BEFORE STARTING
VARIOUS CHECKS
CHECKING THE COOLANT LEVEL
CHECKING THE FUEL LEVEL
CHECKING THE ENGINE OIL LEVEL
CHECKING THE HYDRAULIC CIRCUIT OIL LEVEL
DRAINING THE WATER SEPARATOR1 topic
- MAINTENANCE EVERY 10 HOURS OF OPERATION
LUBRICATING THE JOINTS
(Only for machines in which the synthetic biodegradable oil type HEES is used)1 topic
- MAINTENANCE EVERY 50 HOURS OF OPERATION
CHECKING THE RADIATOR FLUID LEVEL
CHECKING THE BRAKING SYSTEM OIL LEVEL
LUBRICATING THE PROPELLER SHAFTS
LUBRICATING THE FRONT AXLE JOINTS CENTRAL COUPLING
CHECKING THE TYRE PRESSURE
CHECKING THE ELECTRICAL SYSTEM2 topics
- MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
- MAINTENANCE EVERY 250 HOURS OF OPERATION
ADJUSTING THE FAN BELT TENSION
CHECKING THE BATTERY ELECTROLYTE LEVEL
CHECKING THE FRONT AXLE OIL LEVELS
CHECKING THE REAR AXLE OIL LEVELS
CHECKING THE HYDRAULIC TRANSMISSION OIL LEVEL
CHECKING THE WHEEL NUT DRIVING TORQUE1 topic
- MAINTENANCE EVERY 500 HOURS OF OPERATION
CHANGING THE ENGINE OIL
CHANGING THE ENGINE OIL FILTER
CHANGING THE HYDRAULIC SYSTEM OIL FILTER
CHANGING THE FUEL FILTER
DRAINING THE FUEL TANK
CLEANING THE OUTSIDE OF THE RADIATORS1 topic
- MAINTENANCE EVERY 1000 HOURS OF OPERATION
CHANGING THE FRONT AXLE OIL
CHANGING THE REAR AXLE OIL
CHANGING THE HYDRAULIC TRANSMISSION OIL
CHANGING THE HYDRAULIC TRANSMISSION FILTER
CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE1 topic
- MAINTENANCE EVERY 2000 HOURS OF OPERATION
FILTER
CHANGING THE COOLANT
CHANGING THE BRAKING SYSTEM OIL
CHECKING THE ALTERNATOR AND THE STARTER17 topics
- MAINTENANCE EVERY 4000 HOURS OF OPERATION
- TECHNICAL DATA
- STANDARD OVERALL DIMENSIONS
- STANDARD OVERALL DIMENSIONS WITH CENTERED BACKHOE
- STANDARD OVERALL DIMENSIONS WITH FOLDED BACKHOE
- TECHNICAL CHARACTERISTICS
- TECHNICAL CHARACTERISTICS WB91R-2
- TECHNICAL CHARACTERISTICS WB93R-2
- LIFTING CAPACITIES
- SYMBOL TABLE
- LIFTING CAPACITY WB91R-2 (STANDARD BOOM)
- LIFTING CAPACITY WB91R-2 (OFFSET BOOM)
- LIFTING CAPACITY WB93R-2 (STANDARD BOOM)
- LIFTING CAPACITY WB93R-2 (OFFSET BOOM)
- AUTHORIZED OPTIONAL EQUIPMENT
- PRECAUTIONS REGARDING SAFETY
- CHARACTERISTICS OF THE OPTIONAL EQUIPMENT
FOR MODEL WB91R-2
FOR MODEL WB93R-23 topics
- FRONT EQUIPMENT QUICK COUPLING DEVICES
- MANUAL CONTROL QUICK COUPLING
- HYDRAULIC CONTROL QUICK COUPLING FOR STANDARD BUCKET
EQUIPMENT WITH UNIDIRECTIONAL OIL FLOW38 topics
- 4in1 BUCKET
- DESCRIPTION AND CONTROLS
- SAFETY DEVICES
- INSTALLING THE 4in1 BUCKET
- USING THE 4in1 BUCKET
- MAINTENANCE
- PALLET FORKS
- DESCRIPTION
- SAFETY DEVICES
- USING THE FORKS
- PREPARING THE PALLET FORKS FOR USE
- OVERTURNING THE FORKS FOR TRAVEL ON ROADS
- REMOVING THE FORKS
- INSTALLING THE FORKS
- MAINTENANCE
- BACKHOE TELESCOPIC ARM
- DESCRIPTION AND CONTROL
- VERSION WITH STANDARD CONTROLS
- VERSION WITH SERVO CONTROLS (if installed)
- SAFETY DEVICES
- USING THE TELESCOPIC ARM
- MAINTENANCE
- ADJUSTING THE GUIDE SLACK
- ARRANGEMENT FOR THE INSTALLATION OF THE DEMOLITION HAMMER
- DESCRIPTION AND CONTROL
- VERSION WITH STANDARD CONTROLS
- VERSION WITH SERVO CONTROLS (if installed)
- USE OF THE DEMOLITION HAMMER AND RULES TO BE OBSERVED
- INSTALLING AND REMOVING THE DEMOLITION HAMMER
- INSTALLING THE HAMMER
- REMOVING THE HAMMER
- USING THE HAMMER
- MAINTENANCE
- APPLICATION OF THE OFFSET DEVICE
- DESCRIPTION AND CONTROL
- VERSION WITH STANDARD CONTROLS
- VERSION WITH SERVO CONTROLS (if installed)
- MAINTENANCE
OIL FLOW24 topics
- DESCRIPTION AND CONTROL
- VERSION WITH STANDARD CONTROLS
- VERSION WITH SERVO CONTROLS (if installed)
- INSTALLING AND CONNECTING THE EQUIPMENT
- MAINTENANCE
- ARRANGEMENT FOR THE INSTALLATION OF THE CLAMSHELL BUCKET
- DESCRIPTION AND CONTROL
- VERSION WITH STANDARD CONTROLS
- VERSION WITH SERVO CONTROLS (if installed)
- INSTALLING THE CLAMSHELL BUCKET
- USING THE CLAMSHELL BUCKET
- MAINTENANCE
- ARRANGEMENT FOR THE INSTALLATION OF THE MANUAL HYDRAULIC HAMMER
- DESCRIPTION AND CONTROL
- CONNECTING AND REMOVING THE HAMMER
- CONNECTING THE HAMMER
- REMOVING THE CONNECTIONS
- USING THE HAMMER
- MAINTENANCE
- LOAD STABILIZER SYSTEM (LSS) (Optional)
- ACCUMULATOR OF THE LOAD STABILIZER SYSTEM (LSS)
- REAR EQUIPMENT RAPID COUPLING DEVICE
- EQUIPMENT COUPLING AND RELEASE PROCEDURE
- MAINTENANCE
Inside this manual
Real pages from this operation & maintenance manual (281 pages). Open the sample pages (PDF, 466 KB)
- Controls and operation, page 82: INSTRUMENTS AND CONTROLS
- Maintenance, page 222: MAINTENANCE PLAN
- Specifications, page 242: AUTHORIZED OPTIONAL EQUIPMENT
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WB91R-2 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Operation & Maintenance Manual WEAM002304$69.73
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This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
This manual
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 281 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).