Table of Contents
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AM/FM Radio Operation ............................................................ 1-56
Digital Clock Setting Procedure .............................................. 1-57
Camera Monitor ............................................................................ 1-58
Adjusting Operator's Seat ......................................................... 1-59
Adjusting Trainer's Seat .............................................................. 1-62
Seat Belt ........................................................................................... 1-63
Cab Door Lock ............................................................................... 1-64
Opening/Closing Cab Left Door ............................................. 1-64
Electrical Equipment Box (Behind Cab) ................................ 1-65
Relay Box ......................................................................................... 1-67
BREAK-IN
Observe Machine Closely .............................................................2-1
Every 10 Hours or Each Shift .......................................................2-1
After the First 50 Hours .................................................................2-1
OPERATING ENGINE
Inspect Machine Daily Before Starting ....................................3-1
Before Starting Engine ..................................................................3-2
System Check ....................................................................................3-3
Starting Engine in Normal Temperature .................................3-4
Starting Engine in Cold Weather................................................3-5
Check Instruments After Starting ..............................................3-6
Using Booster Batteries .................................................................3-7
Stopping Engine ..............................................................................3-9
DRIVING MACHINE
Drive Machine Carefully ................................................................4-1
Starting ...............................................................................................4-2
Propel Change ..................................................................................4-3
Acceleration ......................................................................................4-3
Cruise Control ...................................................................................4-4
Deceleration ......................................................................................4-6
Electric Brake .....................................................................................4-6
Auto Retard........................................................................................4-7
Steering ...............................................................................................4-9
Stopping Machine ........................................................................ 4-10
Parking Machine ........................................................................... 4-11
Towing .............................................................................................. 4-12
OPERATING MACHINE
Loading ...............................................................................................5-1
Load Weighing System ..................................................................5-2
Hauling ................................................................................................5-3
Dumping ............................................................................................5-4
Speed Limitation Function While
Dump Body is Raised ................................................................5-7
Deactivation of Speed Limitation Function
in an Emergency.........................................................................5-7
MAINTENANCE
Correct Maintenance and Inspection Procedures ...............7-1
Check Hour Meter Regularly .......................................................7-2
Use Correct Fuels and Lubricants ..............................................7-2
Prepare Machine for Maintenance ............................................7-3
Installing Dump Body Prop Cable .............................................7-5
Removal and Storage of Dump Body Prop Cable ................7-6
Installing Dump Body Prop Pins ................................................7-7
CONTENTS
Removal and Storage of Dump Body Prop Pins ...................7-8
Inspection/Maintenance Lights .................................................7-9
Main Part/Component Location Diagram ........................... 7-11
Periodic Replacement of Parts ................................................. 7-12
Hydraulic System .......................................................................... 7-13
Maintenance Guide ..................................................................... 7-15
A. Greasing ...................................................................................... 7-20
B. Engine .......................................................................................... 7-23
Check Engine Oil Level .......................................................... 7-24
Change Engine Oil .................................................................. 7-25
Replace Engine Oil Filters ..................................................... 7-25
C. Travel Reduction Gear ............................................................ 7-27
Check Gear Oil Level .............................................................. 7-28
Change Gear Oil ...................................................................... 7-29
Replace Gear Oil Filter ........................................................... 7-29
Clean and Replace Air Breather ......................................... 7-30
Clean Oil Cooler Core ............................................................ 7-30
D. Hydraulic System ..................................................................... 7-31
Inspection and Maintenance of Hydraulic
Equipment ........................................................................... 7-32
Check Hydraulic Oil Level .................................................... 7-34
Drain Hydraulic Oil Tank Sump .......................................... 7-35
Replace Full-Flow Filter Element ....................................... 7-36
Replace Line Filter Element ................................................. 7-37
Change Hydraulic Oil ............................................................. 7-38
Replace Suction Filter ............................................................ 7-38
Check Hoses and Lines ......................................................... 7-41
Service Recommendations for Hydraulic Fittings ....... 7-44
Replace Hydraulic Oil Tank Breather ................................ 7-47
E. Fuel System ................................................................................ 7-48
Drain Fuel Tank Sump ............................................................ 7-50
Drain Fuel Filter ........................................................................ 7-50
Replace Fuel Filter Element ................................................. 7-51
Replace Fuel Filter ................................................................... 7-52
Check Fuel Hoses .................................................................... 7-53
Clean and Replace Fuel Tank Breather ............................ 7-54
F. Air Cleaner ................................................................................... 7-55
Clean Air Cleaner Outer Element ...................................... 7-55
Replace Air Cleaner Outer and Inner Elements ............ 7-55
Clean Air Cleaner Dust Cups ............................................... 7-57
Check Vacuator Valve............................................................. 7-58
G. Cooling System ........................................................................ 7-59
Check Coolant Level .............................................................. 7-60
Check DCA4 Concentration in Coolant ........................... 7-61
Replace Coolant Filter ........................................................... 7-69
Change Coolant ....................................................................... 7-70
Clean Radiator, After Cooler Interior ................................ 7-70
Clean Radiator, After Cooler Core ..................................... 7-71
Check Fan Belt for Wear ........................................................ 7-71
H. Air Conditioner ......................................................................... 7-72
Clean and Replace Recirculation Air Filter ..................... 7-72
Clean and Replace Ventilation Air Filter .......................... 7-73
Check Refrigerant Quantity ................................................. 7-74
Check Compressor Belt Tension ........................................ 7-75
Clean Condenser Core .......................................................... 7-76
Check Tightening Torque ..................................................... 7-77
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