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Komatsu Wheel Loader WA90-5 sn: H50051 and up Workshop Service Manual

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18.1239 MB PDF File

Original Illustrated Factory Workshop Service Manual for Komatsu Wheel Loader WA90.

Original factory manuals for Komatsu Loaders, Dozers, Excavators contains high quality images, circuit diagrams and instructions to help you to operate, maintenance and repair your truck. All Manuals Printable, contains Searchable Text and Navigation Bookmarks

Covered models:
WA90-5 sn: H50051 and up

Format: PDF, 257 Pages
Language: English

1 Introduction .
1.1 Foreword
1.2 Safety information
1.3 Introduction
1.3.1Intended use
1.3.2Breaking-in the machine
1.4 Location of plates
1.4.1Machine identification plate
1.4.2Engine name-plate
1.4.3Axle serial noplate
1.4.4Transmission serial noplate
1.4.5ROPS/FOPS-Cab serial noplate
1.4.6Operators seat serial noplate
1.4.7Table to enter serial noand distributor
1.5 Table of contents
1.6 Dimensions, weights and operating data
1.7 CE-conforming equipment
1.7.1 CE-conforming equipment part 1
1.7.2 CE-conforming equipment part 2
1.7.3 Manufacturer-supplied CE-conforming equipment
1.8 Loading and securing
2. Safety
2.1 General safety measures
2.1.1 Safety instructions
2.1.2 Safety devices
2.1.3 Emergency exit
2.1.4 Clothing and personal protection
2.1.5 Machine modifications
2.1.6 Before you leave the drivers seat
2.1.7 Mounting and dismounting
2.1.8 Fire prevention and fire fighting
2.1.9 Protection against asbestos dust
2.1.10 Protection against injuries
2.1.11 Working at high temperatures
2.1.12 Roll-over protection system (ROPS)
2.1.13 Attachment for protection against falling objects (FOPS)
2.1.14 Attachments
2.1.15 Battery
2.2 Safety precautions during operation
2.2.1 Prior to daily starting up
2.2.2 Machine operation
2.2.3 Transport
2.3 Precautions for maintenance
2.3.1 Personnel
2.3.2 Before carrying out maintenance
2.3.3 During maintenance
2.3.4 Tyres
2.4 Safety labels on the machine
2.4.1 Positions and order numbers of safety labels
3. Operation...............................................................
3.1 General view
3.1.1 General view of the machine
3.1.2 Controls and indicators
3.2 Description of the individual elements
3.2.1 Instrument panel
3.2.2 Switches
3.2.3 Control levers and pedals
3.2.4 Articulated steering locking
3.2.5 Traction device
3.2.6 Socket (12 V)
3.2.7 Door unlocking system
3.2.8 Alarm horn for reverse driving option
3.2.9 Fuses
3.2.10 Slow-blowing fuses
3.2.11 Adjusting the heater and ventilation system
3.2.12 Air-conditioning
3.3 Operation
3.3.1 Pre-start checks
3.3.2 Starting the engine
3.3.3 Driving with the machine
3.3.4 Changing the driving direction
3.3.5 Turning and steering
3.3.6 Braking
3.3.7 Stopping the machine
3.3.8 Operating the work equipment
3.3.9 Working with the wheel loader
3.3.10 Precautions for special operations
3.3.11 Adjusting the position of the work equipment
3.3.12 Parking the machine
3.3.13 Switching off the engine
3.3.14 Check after stopping the engine
3.3.15 Locking
3.3.16 Tyre handling
3.4 Transporting the machine
3.4.1 Securing the articulated steering
3.4.2 Lifting the machine
3.4.3 Driving the machine onto loading area of transport vehicle
3.4.4 Securing the machine during the transport
3.4.5 After transport
3.5 Cold weather operation
3.5.1 Before the cold season
3.5.2 Precautions after completion of work
3.5.3 After the cold season
3.6 Long-term storage
3.6.1 Before storage
3.6.2 During storage
3.6.3 After storage
4. Troubleshooting
4.1 Towing the machine
4.2 Starting the engine with a booster cable
4.3 For insufficient braking effect
4.3.1 Checking the service brake
4.3.2 Checking the parking brake function
4.4 Emergency steering properties
4.5 Emergency lowering
4.6 Other troubles
4.6.1 Electrical system
4.6.2 Engine
4.6.3 Hydraulic system
4.6.4 Brakes
4.6.5 Steering
4.6.6 Axles
4.6.7 Drivers cab
5. Maintenance
5.1Maintenance guide
5.2Maintenance basics
5.2.1Oil, fuel and coolant specifications
5.2.2Specifications of the electrical system
5.2.3Wearing parts list
5.3Lubricants, fuels and filling capacities
5.4.1Introduction of recommended tools
5.5Periodical replacement of safety-critical parts
5.6Maintenance schedule chart
5.7Service procedure
5.7.1Pre-start checklist
5.7.2Maintenance upon demand
5.7.3Maintenance after the first 50 operating hours
5.7.4Maintenance after the first 250 operating hours
5.7.5Maintenance every 10 operating hours
5.7.6Maintenance every 50 operating hours
5.7.7Maintenance every 250 operating hours
5.7.8Maintenance every 500 operating hours
5.7.9Maintenance every 1000 operating hours
5.7.10Maintenance every 1500 operating hours
5.7.11Maintenance every 2000 operating hours
5.7.12Maintenance every 4000 operating hours
6. Technical data
6.1 Technical data
6.2 Noise emission levels
6.3 Vibration levels
6.4 Limit values for slopes
7. Special equipment and attachments
7.1 E.C.S.S-electronics
7.1.1 Structure and functioning principle of the E.C.S.S-electronics
7.1.2 Precautionary measures for switching on the E.C.S.S-electronics
7.1.3 Operating the E.C.S.S-electronics
7.1.4 Precautions when handling the accumulator
7.2 Bucket position indicator
8 Index
9 Notes .

(ID 279984466)

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