This manual PDF download describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment for the Komatsu WA380-6H Wheel Loader (SN: H60051 and up). It will help the operator or anyone realize peak performance through effective, economical and safe machine operation and maintenance.
APPLICABLE MODELS :
Komatsu WA380-6H Wheel Loader
Serial Numbers : H60051 and up
TABLE OF CONTENTS :
1. Foreword
2. Safety
3. Operation
4. Maintenance
5. Technical Data
6. Attachments, Options
7. Index
8. Notes
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Bookmarked : Yes
Searchable : Yes
Printable : Yes
Product Code : VEAM440100
Total Pages : 386
This manual provides rules and guidelines which will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance.
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1. Foreword
1.1 Foreword
1.1.1 EU Directives
1.2 Safety information
1.2.1 Signal words
1.2.2 Safety labels
1.3 Introduction
1.3.1 Intended use
1.3.2 Directions of machine
1.3.3 Visibility from operator's seat
1.4 Necessary information
1.4.1 Product Identification Number (PIN)/Machine serial no. plate and position
1.4.2 Engine serial no. plate and position
1.4.3 ROPS/FOPS-Cab serial no. plate
1.4.4 Axle serial no. plate
1.4.5 Transmission serial no. plate
1.4.6 Seat operator serial no. plate
1.4.7 Position of service meter
1.4.8 Table to enter serial no. and distributor
1.5 Contents
1.6 Dimensions, weights and operating data
1.6.1 WA380-6: Dimensions, weights and operating data
1.7 CE-Conforming equipment
1.7.1 CE-Conforming equipment
1.7.2 Manufacturer-supplied CE-Conforming equipment, according to document 419-93-H1250
2. Safety
2.1 Safety labels
2.1.1 Location of safety labels
2.1.2 Presentation of safety labels
2.2 General precautions
2.3 Precautions for operation
2.3.1 Starting engine
2.3.2 Operation
2.3.3 Transportation
2.3.4 Battery
2.3.5 Towing
2.4 Precautions for maintenance
2.5 Precautions with tires
3. Operation
3.1 General view
3.1.1 General view of machine
3.1.2 General view of controls and gauges
3.2 Explanation of components
3.2.1 Machine monitor
Types of warning
Central warning lamp
Character display portion
Emergency stop item
Caution items
Inspection and maintenance item
Pilot display portion
Meter display portion
Other functions of machine monitor
3.2.2 Switches
3.2.3 Control levers, pedals
3.2.4 Steering tilt lock lever
3.2.5 Cap with lock
3.2.6 Safety bar
3.2.7 Towing pin
3.2.8 Grease pump
3.2.9 Cab door
3.2.10 Cab door open lock
3.2.11 Cab window open lock
Cab left window open lock reset knob
Cab right window open lock reset knob
Reset right window open lock for escape
3.2.12 Backup alarm
3.2.13 Fuse
Fuse capacity and name of circuit
3.2.14 Slow blow fuse
3.2.15 Power outlet
3.2.16 Air conditioner
General locations and function of control panel
Method of operation
Precautions when using
Precautions for inspection and maintenance
Cool box
3.2.17 Handling cab wiper
Preventing damage to wiper arm bracket
3.3 Operation
3.3.1 Check before starting engine, adjust
Walk-around check
Check before starting
Adjustment
Safety belt
Adjust lever stand
Operations and checks before starting engine
3.3.2 Starting engine
Normal starting
Starting in cold weather
Automatic warming-up operation
3.3.3 Operations and checks after starting engine
Breaking-in the machine
Normal operation
3.3.4 Stopping engine
3.3.5 Check after stopping engine
3.3.6 Moving the machine (directional, speed), stopping the machine
Preparations for moving the machine
Changing gear speed
Changing direction
Using switch to change between forward and reverse
Stopping the machine
Transmission cut-off function
3.3.7 Turning
Emergency steering
3.3.8 Operation of work equipment
Lift arm operation
Bucket operation
3.3.9 Work possible using wheel loader
Digging operations
Leveling operation
Pushing operation
Load and carry operations
Loading operations
3.3.10 Precautions for operation
Permissible water depth
If wheel brake does not work
Precautions when driving up or down slopes
3.3.11 Adjusting work equipment posture
Adjusting boom kickout
Adjusting bucket positioner
Bucket level indicator
3.3.12 Parking machine
3.3.13 Checks after completion of operation
Before stopping engine
After stopping engine
3.3.14 Locking
3.3.15 Handling the tires
Precautions when handling tires
Tire pressure
Precautions for using load and carry method
3.4 Transportation
3.4.1 Transportation procedure
3.4.2 Loading, unloading work with trailers
Loading
Securing machine
Unloading
3.4.3 Lifting machine
Location of lifting position mark
Weight table
Lifting procedure
3.5 Cold weather operation
3.5.1 Precautions for low temperature
Fuel and lubricants
Coolant
Battery
3.5.2 Precautions after completion of work
3.5.3 After cold weather
3.5.4 Warming-up operation for steering hydraulic circuit in cold weather
3.6 Long-term storage
3.6.1 Before storage
3.6.2 During storage
3.6.3 After storage
3.7 Troubleshooting
3.7.1 When machine runs out of fuel
3.7.2 Towing the machine
When engine can be used
When engine cannot be used
Releasing parking brake
Emergency travel operation
3.7.3 If battery is discharged
Removal and installation of battery
Precautions for charging battery
Starting engine with booster cable
3.7.4 Other trouble
Electrical system
Chassis
Engine
4. Maintenance
4.1 Guides to maintenance
4.2 Outlines of service
4.2.1 Handling oil, fuel, coolant, grease and carrying out KOWA (KOMATSU Oil Wear Analysis)
Oil
Fuel
Coolant and water for dilution
Grease
Carrying out KOWA (KOMATSU Oil Wear Analysis)
Storing oil and fuel
Filters
4.2.2 Outline of electric system
4.3 Wear parts
4.3.1 Wear parts list
4.4 Fuel, coolant and lubricants
4.4.1 Lubrication chart
4.4.2 Use of fuel, coolant and lubricants according to ambient temperature
4.4.3 Recommended brands, recommended quality for products other than KOMATSU genuine oil
4.5 Standard tightening torques for bolts and nuts
4.5.1 Torque list
4.6 Periodic replacement of safety critical parts
4.7 Maintenance schedule chart
4.7.1 Maintenance schedule chart
4.8 Replace injector assembly
4.9 Service procedure
4.9.1 Initial 50 hours service (only after the first 50 hours)
Check for loose wheel hub bolts, tighten
4.9.2 Initial 250 hours service (only after the first 250 hours)
Replace transmission oil filter cartridge
Replace hydraulic tank filter element
4.9.3 Initial 1000 hours service (only after the first 1000 hours)
Check engine valve clearance, adjust
4.9.4 When required
Clean, replace air cleaner element
Clean inside of cooling system
Check transmission oil level, add oil
Check axle oil level, add oil
Clean axle case breather
Clean air conditioner condenser
Check window washing fluid level, add fluid
Clean radiator fins and cooler fins
Check electrical intake air heater
Turn, replace bolt on cutting edge
Replace bucket teeth
Check air conditioner
Replace slow blow fuse
Checking function of accumulator
Selection and inspection of tires
4.9.5 Check before starting
Check before starting
4.9.6 Every 50 hours service
Drain water, sediment from fuel tank
4.9.7 Every 100 hours service
Lubricate rear axle pivot pin
Check oil level in hydraulic tank, add oil
Clean element in air conditioner fresh air filter
4.9.8 Every 250 hours service
Check battery electrolyte level
Check parking brake
Check air conditioner compressor belt tension, adjust
Check for loose wheel hub bolts, tighten
Clean element in air conditioner recirculation filter
Checking function of accumulator
Lubricating
4.9.9 Every 500 hours service
Change oil in engine oil pan, replace engine oil filter cartridge
Replace fuel pre-filter cartridge
4.9.10 Every 1000 hours service
Replace fuel filter cartridge
Change oil in transmission case and transmission oil filter cartridge, clean strainer
Clean transmission case breather
Lubricating
Check tightening parts of turbocharger
Check alternator driving belt tension and replacement
Replace corrosion resistor cartridge
4.9.11 Every 2000 hours service
Change oil in hydraulic tank, replace hydraulic filter element
Replace hydraulic tank breather element
Change axle oil
Replace element in air conditioner recirculation air filter, fresh air filter
Check brake disc wear
Checking function of accumulator
Check alternator, starting motor
Check engine valve clearance, adjust
Check vibration damper
4.9.12 Every 4000 hours service
Lubricating
Check water pump
Check air conditioner compressor, adjust
Checking for looseness of high-pressure clamp, hardening of rubber
Checking for missing fuel spray prevention cap, hardening of rubber
4.9.13 Every 8000 hours service
Replace high-pressure piping clamp
Replace injector nozzle tip
5. Technical Data
5.1 Technical data
5.2 Noise emission levels
5.3 Vibration level
Guide to reduce vibration levels on machine
5.4 Limit values for slopes
6. Attachments, Options
6.1 Selecting bucket and tires
6.2 Handling torque converter lock-up
6.2.1 General locations
6.2.2 Method of operation
6.2.3 Warning/limit functions for travel speed
Travel speed warning function
Travel speed limit function
6.3 Handling machines equipped with KOMTRAX
6.3.1 Basic precautions
6.4 Joystick steering system
6.4.1 Components
6.4.2 Structure and function
Operation using joystick lever and operation using steering wheel
Getting in or out
Adjustment of joystick console
6.4.3 Operation method of joystick steering system
6.5 Multi-function lever (with/without auxiliary control lever)
6.5.1 Explanation of components
6.5.2 Operation
Using switch to change between forward and reverse
6.6 3-lever control
6.6.1 Explanation of components
6.7 Hydraulic quick coupler
6.7.1 Installing the attachment
6.7.2 Removal and installation of the attachment
6.7.3 Precautions for use
6.7.4 Precautions when removing the attachment
6.8 Central lubrication system
6.8.1 Operating the central lubrication system
6.8.2 Display and control unit
LED-display
Pushbuttons
6.8.3 Changing the lubrication interval times
7. Index
7.1 Index
8. Notes
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