
CONTENTS
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 ......................................................................4-1
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 ................................................................5-1
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
ΜΑΙΝΤΕΝΑΝCΕ ..............................................................................7-1
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 Pins ................................................7-5
Removal and Storage of Dump Body Prop Pins...................7-6
Installing Dump Body Prop Cable.............................................7-7
Removal and Storage of Dump Body Prop Cable................7-8
Inspection/Maintenance Lights.................................................7-9
Main Part/Component Location Diagram...........................7-11
Periodic Replacement of Parts.................................................7-13
Hydraulic System..........................................................................7-14
Maintenance Guide.....................................................................7-16
A. Greasing......................................................................................7-21
B. Engine..........................................................................................7-24
Check Engine Oil Level..........................................................7-25
Change Engine Oil..................................................................7-26
Replace Engine Oil Filters ....................................................7-26
C. Travel Reduction Gear............................................................7-28
Check Gear Oil Level..............................................................7-29
Change Gear Oil ......................................................................7-30
Replace Gear Oil Filter...........................................................7-30
Clean and Replace Air Breather.........................................7-31
Clean Oil Cooler Core ............................................................7-31
D. Hydraulic System.....................................................................7-32
Inspection and Maintenance of Hydraulic Equipment...7-33
Check Hydraulic Oil Level ....................................................7-35
Drain Hydraulic Oil Tank Sump ..........................................7-36
Replace Full-Flow Filter Element .......................................7-37
Replace Line Filter Element.................................................7-39
Change Hydraulic Oil.............................................................7-41
Replace Suction Filter............................................................7-41
Replace Tank Air Breather Element...................................7-44
Check Hoses and Lines .........................................................7-45
E. Fuel System ................................................................................7-51
Drain Fuel Tank Sump............................................................7-53
Drain Fuel Filter (Stage 1 Filter)..........................................7-53
Replace Fuel Filter Element (Stage 1 Filter)...................7-54
Replace Fuel Filter (Stage 2 Filter).....................................7-55
Check Fuel Hoses....................................................................7-56
Clean Fuel Tank Breather......................................................7-57
F. Air Cleaner...................................................................................7-58
Clean Air Cleaner Outer Element ......................................7-58
Replace Air Cleaner Outer and Inner Elements............7-58
Clean Air Cleaner Dust Cups...............................................7-60
G. Cooling System........................................................................7-61
Check Coolant Level ..............................................................7-62
Check DCA4 Concentration in Coolant...........................7-63
Replace Coolant Filter ...........................................................7-71
Change Coolant.......................................................................7-72
Clean Radiator, After Cooler Interior................................7-72
Clean Radiator, After Cooler Core .....................................7-73
Check Fan Belt for Wear........................................................7-73
H. Air Conditioner.........................................................................7-74
Clean and Replace Recirculation Air Filter.....................7-74
Clean and Replace Ventilation Air Filter..........................7-75
Check Refrigerant Quantity.................................................7-76
Check Compressor Belt Tension ........................................7-77
Clean Condenser Core ..........................................................7-78
Check Tightening Torque.....................................................7-79
Seasonal Maintenance..........................................................7-80
I. Electrical System........................................................................7-81
Batteries .....................................................................................7-82
Replacing Fuses.......................................................................7-87
Check Fusible Link..................................................................7-91
Check Electrical Cables and Wire Harnesses.................7-92
Check Emergency Engine Stop Switch...........................7-94
Check Lights .............................................................................7-95
Check Horn and Backup Alarm Buzzer............................7-95
Check Suspension Pressure Sensor..................................7-96
J. Brakes & Steering System ......................................................7-98
Check Brake Operation.........................................................7-98
Check Service Brake...............................................................7-98
Check Parking Brake ..............................................................7-99
Check Accumulator..............................................................7-100
Check Front/Rear Brake Lining.........................................7-102
Check Front/Rear Brake Disk.............................................7-102
K. Suspension, Wheels & Tires................................................7-103
Check Suspension.................................................................7-104
Check Wheels .........................................................................7-105
Check Front Axle ...................................................................7-106
Check Front Wheel Lubricant ...........................................7-106
Change Front Wheel Lubricant........................................7-106
Check Tire Inflation Pressure.............................................7-107
Find manuals at https://best-manuals.com