Komatsu WB90-1, WB92-1, WB100-1 Backhoe Loader Index:

FOREWORD
SAFETY INFORMATION.
INTRODUCTION
POSITION OF THE IDENTIFICATION TAGS OF THE MACHINE
COMPONENTS..
IDENTIFICATION NUMBERS AND AGENTS NAME AND ADDRESS .
«CE„ MARKINGS.
SAFETY MEASURES INVOLVING MOVEMENT OF THE MACHINE ..
SAFETY AND ACCIDENT PREVENTION
SAFETY MEASURES
General precautions ..
Safety devices. , ..
Personal protective clothing and equipment
Unauthorised modifications. , .
When leaving the driving seat .
Entering and leaving the machine
Checking the rear-view mirrors .
Prevention of fire from fuel and
Prevention of burn or scalding. ,
Prevention Of asbestos dust contamination…………….
Prevention of injury caused by working equiprnent..
Fire extinguishers and first aid
Precautions as regards cab structure
Precautions as regards equipment..
PRECAUTION TO BE TAKEN IN OPERATION
PRECAUTIONS TO BE TAKEN BEFORE STARTING UP THE ENGINE ..
• On-site safety
Fire prevention .
• Precautions as regards the operator’s cab
• Ventilation of enclosed areas….
• Cleaning windows, mirrors and headlights checking Windscreen-wiper
blades, lamps ..
PRECAUTIONS TO BE TAKEN WHILE WORKING .
When starting up the engine
Regulations governing road travel .
Checks before moving the machine in reverse gear.
Machine movement. .
Working on slopes.
Prevention ot electrocution .
Visibility….
Working on frozen or snow-covered ground ..
Prevention of damage caused by machine equipment

• Working on loose or ploughed soil… .
• Parking the machine,
TRASPORTING THE MACHINE ON ANOTHER VEHICLE … … …
Loading and .
• Transport
THE BATTERY .
Prevention of risks deriving from. the battery
• Slarting engine with auxiliary
PRECAUTIONS TO BE TAKEN WHEN TOWING THE MACHINE …
PRECAUTIONS TO BE TAKEN DURING MAINTENANCE …
Warning notices
Tools .
Personnel …
Equipment .
Keeping the machine clean
Running the engine during maintenance.
Rules to follow when refilling with fuel and oil .
Level Of coolant in radiator
Use ot lamps
Precautions to be taken with the battery
Handling the high-pressure tubes, ,
Precautions to be taken at high pressure..
Precautions to be taken when carrying out maintenance work at higt
temperatures and nigh pressure.. ,
Coding belts and fan ,
Precautions to be taken when inflating the tires
SAFETY NOTICES, SIGNS AND NOISE NOTICES
Positioning ot the safety notices .
Summary and meaning of the signs .
Position of noise .
Vibrations to which the user is subjected..
Electrical accessories ,
Electric socket..
Roof light
ICAL DATA
KOMATSU THREE IN ONE ARTICULATED MACHINES WB90-1,’WB92-1 .
KOMATSU THREE IN ONE ARTICULATED MACHINES WBIOO-I ….. …….
TECHNICAL DATAWæO.1 — . .
TECHNICAL DATA we92-1
TECHNICAL DATA
LIFTING CAPACITY W390-1 WB92-1 (STANDARD BOOM) .

p AG.
LIFTING CAPACITY WB90•1 WB92-1 (BOOM WITH TRANSPORTABLE DEVICE) 42
LIFTING CAPACITY WBIOO.I (STANDARD BOOM)..
LIFTING CAPACITY WBIOO.I (BOOM WITH TRANSPORTABLE DEVICE) .
DESCRIPTION OF THE MACHINE AND ITS OPERATION
SAFETY DEVICES .
Safety devices for the loading shovel .
Safety devices for the backhoe.
GENERAL VIEWS….
e General front view .
General view of backhoe from the side. , .
General view of the inside of the cab .
INSTRUMENTATION AND CONTROLS
• Instruments, warning lights and push-buttons .
Instruments . , .
Warning lights..
Push-buttons and switches.
Electrical accessories.
Machine controls .
Machine controls .
1 Gear lever
2 – Reduction gear speed selection switch
3 Brake pedals .
4 – Inching pedal control
5 Accelerator
6 – Hand brake
7 – Differential blocking push button
8 – Reduction gear disconnection switch.
9 – Switch for blocking the oscillation Of the frame…. .
e Front shovel controls..
IO. Shovel control „
• • Backhoe controls .
11 – Manual accelerator. ,
12 – 13- Backhoe control levers….
STANDARD SYSTEM CONTROLS….
CONTROLS CONFORMING TO ISO NORMS
14 15 – Stabilizer control levers ,
16 • Backhoe traverse blocking lever .
FUSES….
CAB AND
• Description… … ,
• Ventilation and heating .
• Driving seat.
Safety belt
e Positions Of the fire extinguisher and first aid ernerconcy kit
• Access to the engine bay tor controls and maintenance
MACHINE OPERATION .
• Checks to be made before starting the engine .
• • Visual checks
• Daily checks
Operating Checks.
Starting the engine.
• • Start-up with warm engine or in temperate Climate.
• • Start-up with a cold engine or in a cold climate.
• Warming up the engine….
• Warming up the hydraulic oil..
• Setting the machine in motion
• Blocking the differential
How to move on a slope .
• • Maximum immersion depth..
PARKING THE MACHINE .
• Parking on level grcund
• Parking on a slope
STOPPING THE ENGINE.. ..
TRANSPORTING THE MACHINE ON ANOTHER VEHICLE
• Loading and unloading
• Transport .
PRECAUTIONS TO BE TAKEN DURING COLD WEATHER .
• Fuel and lubricants.
• Coolant liquid
• Tho battery
Other precautions .
• Precautions to be taken on completion of work..
PRECAUTIONS TO BE TAKEN DURING HOT WEATHER..
USING THE MACHINE AS A LOADING SHOVEL…
• Shovel position indicator. ,
• Organisation of the working area
• • Loading piled up or flat material .
• • Loading material on a slope.
USING THE MACHINE TO DIG .
• Positioning the buckat in function of the job to be done.
• Positioning the machine for digging
Sideways movement of the excavator group ,
• Digging method
• Changing the work@ equipment..
• • Changing the frort bucket.
Changing the backhoe bucket…..
REMOVING THE BACKHOE FROM THE MACHINE…
• Removing the backhoe .
• Installing the backhoe on the machine…
e Installing the counterweight
e Rernoving the counterweight from tho machine
FAULT IDENTIFICATION..
e If the fuel tank is empty.
If the battery is flat
Start-up using auxiliary cables… .
• Other faults
• Electrical circuit .
• Hydraulic circuit equipment
Braking systems,
• • Hydrostatic transmission .
Engine….
MAINTENANCE GUIDE ….. ….. .
MAINTENANCE NOTES….
Maintenance notes on the engine .
Engine oil, _
• Coolant water..
• • Fuel
• Maintenance notes on the hydraulic circuit. , ,
Maintenance notes on the olectrical system, .. . .
• Maintenance notes regarding lubrication.
• Parts that wear out fast and that need replacing periodically
FUEL, COOLANT AND LUBRICANTS..
Lubrication diagram (for machine with backhoe with vertical stirrups)…
• Lubrication diagram (for 4 in 1 bucket)
• Lubrication diagram (For telescopic arm),
• Lubrication diagram (For removable device), . .
LUBRICATION DIAGRAM (For quick attachments to forward bucket) , ,
TIGHTENING TORQUES FOR SCREWS AND NUTS..
• Standard tightening torques..
• Specific tightening torques.
MAINTENANCE PROGRAM
e MAINTENANCE EVERY d HOURS .
Various controls
Coolant liquid level check ..
Fuel level Check.
Control of the level of the engine oil ,
Hydraulic circuit oil level check.

Lubricating the Pints of the equipment. ,
Lubricating the Dints, thrust plate, and frame oscillation block,
• MAINTENANCE COMPLETION OF THE FIRST 50 HOURS .
• MAINTENANCE EVERY SO HOURS .
Cleaning engine air filter ejector.
Checking battery electrolyte level
Oil level check of the braking system
Draining the decanter…..
Controlling the Oil level Of the forward axle differential
and of the reduction gear .
Controlling the Dil level Of the rear axle and Ot the differential……
Controlling the cil level Of the final reductions gear
Controlling tightening torque of wheel bolts. .
Tire pressure..
Lubricating the transmission shafts
MAINTENANCE ON COMPLETION OF FIRST 100 HOURS.
MAINTENANCE EVERY 100 HOURS..
• Cleaning main dr tilter cartridge.
MAINTENANCE ON COMPLETION OF FIRST 250 HOURS..
MAINTENANCE EVERY 250 HOURS..
Replacing enging Oil . .
Replacing engin2 Oil filter
fioptacing hydrostatic transmission tilter
Cleaning hydrauic filter.
Draining the fuel filter.
Adjustment Of fm-belt tension . .
External cleaning of the radiator and heat exchanger
Controlling tightness of screws on the transmission Shatt .
Controlling the t@htness of screws fixing the joint and
thrust platform for frame oscillation ,
• MAINTENANCE EVERY 500 HOURS,
• Changing the main air filter cartridge .
• Draining the fuel tank
Changing the fuel filter and cleaning the gauze filter. …..
• MAINTENANCE EVERY 1000 HOURS.
• • Changing the hydraulic circuit oil and cleaning suction filter.
• • Replacing front axle oil – reduction gear…
Changing therear axle oil….
• • Changing the oil of the final traversing reduction gear .
• • Replacing the security cartridge for the air filter .
• MAINTENANCE EVERY 2000 HOURS..
• Changing the coolant liquid
• Changing the braking system Oil. .
• Checking and regulating clearance in the engine valves .• OCCASIONAL MAINTENANCE….
• • Regulating the hand-brake
• Washing out the coolant circuit ,
LONG PERIODS OF MACHINE IDLENESS .
Preparation
Preparation for use
IZED OPTIONAL EQUIPMENT
AUTHORIZED OPTIONAL EQUIPMENT. .
• Machine WB90-1 .
Machine WB92-1 .
• Machine WBIOO•I
QUICK CONNECTING DEVICE OF THE FORWARD EQUIPMENT
Quick connection with manual control
Quick connection with hydraulic control foc standard bucket
• Quick connection with hydraulic control for 4 in 1 bucket and optional
equipment With single transmission….
4 IN BUCKET
Description and controls .
• Safety..
• Installation of the 4 in 1 bucket.
Use of the 4 in 1 bucket
• Maintenance ,
FORKS FOR PALLETS….
• Description
• Use of the forks
TELESCOPIC BOOM FOR BACKHOE.
Description and control
Safety.
Use Of the telescopic boom
Maintenance
• Leeway adjustment Of the guide-rails v. .
CONFIGURATION OF THE PNEUMATIC DRILL …. …… .
Description and control
Assembly and removal of pneumatic drill
• Assembly .
• Removal of tho pneumatic drill
Maintenance .
APPLYING THE TRANSPORTABLE DEVICE…. ….. …. .
Description and controls
Maintenance
CONFIGURATION OF OPTIONAL EQUIPMENT WITH SINGLE
DELIVERY..
• Assembly and connection of equipment.
Maintenance
CONFIGURATION FOR ATTACHMENT OF ROTATING AND CtrrrlNG
SHOVEL… ,
Description and controls
Assembly of the cutting and rotating shovel
• Use ot the cutting and rotating shovel
• Maintenance
CONFIGURATION OF THE MANUAL PNEUMATIC DRILL … ……
•
Description and controls
Connections and removal Of hammer .
Connection..
• Romoval Of attachments
Use Of the drill
Maintenance