Hitachi AH250-D AH300-D Dump Trucks Operator’s Manual PDF

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Hitachi AH250-D AH300-D Articulated Dump Trucks Operator’s Manual – PDF DOWNLOAD

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Hitachi AH250-D AH300-D Articulated Dump Trucks Operator’s Manual – PDF DOWNLOAD

P/N: EM187892
Language: English
Division: Hitachi
Product Lines: Articulated Dump Trucks
Publication Type: Operator’s Manuals
Associated Models: AH250, AH300D
Series: D SERIES

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Hitachi AH250-D AH300-D Articulated Dump Trucks Operator’s Manual – PDF DOWNLOAD

Contents 7
Safety—Safety Features 11
Safety Features 11
Safety—General Precautions 12
Recognize Safety Information 12
Follow Safety Instructions 12
Operate Only If Qualified 12
Wear Protective Equipment 13
Avoid Unauthorized Machine Modifications 13
Inspect Machine 13
Stay Clear Of Moving Parts 14
Avoid High-Pressure Fluids 14
Beware Of Exhaust Fumes 14
Prevent Fires 15
Prevent Battery Explosions 15
Handle Chemical Products Safely 16
Dispose of Waste Properly 16
Prepare for Emergencies 16
Safety—Operating Precautions 17
Use Steps And Handholds Correctly 17
Start Only From Operator’s Seat 17
Use And Maintain Seat Belt 17
Prevent Unintended Machine Movement 18
Avoid Work Site Hazards 18
Keep Riders Off Machine 19
Avoid Backover Accidents 19
Avoid Machine Tip Over 20
Operating on Slopes 20
Operating Or Traveling On Public Roads 21
Inspect and Maintain ROPS 21
Add And Operate Attachments Safely 21
Safety—Maintenance Precautions 22
Park And Prepare For Service Safely 22
Service Tires Safely 22
Service Cooling System Safely 23
Remove Paint Before Welding or Heating 23
Make Welding Repairs Safely 23
Drive Metal Pins Safely 24
Safety—Safety Signs 25
Safety Signs 25
Operation—Operator’s Station 27
Operator Controls 27
Operator Control Functions 29
Instrument Panel 31
Instrument Panel Functions 32
Heater and Air Conditioner Controls 34
Steering Column Lever 35
Circuit Breaker Compartment 36
Operator Seat and Instructional Seat 37
Seat Belt 38
Battery Disconnect Switch and Battery Circuit Breakers 39
Miscellaneous Equipment 40
Monitor Display Unit—Default Display Menu 42
Monitor Display Unit—Menu Function 45
Operation—Operating the Machine 58
Before Starting Work 58
Operator’s Daily Machine Check Before Starting 58
Starting Engine 59
Using Booster Batteries—24-Volt System 62
Driving Machine 63
Steering Machine 63
Shifting Transmission 64
Using Range Hold 67
Using Inter-Axle Lock 67
Slowing and Stopping the Machine 68
Operating on a Hill 71
Off-Road Operation 71
Loading and Unloading Bin 72
Freeing Stuck Machine 73
Parking the Machine 74
Towing the Machine 75
Releasing Park Brake for Towing 76
Mechanically Releasing Park Brake 77
Machine Lifting Points 78
Loading and Unloading Machine from Trailer 79
Lock All Compartments 80
Maintenance—Machine 81
Diesel Fuel 81
Low Sulfur Diesel Fuel Conditioner 81
Handling and Storing Diesel Fuel 82
Diesel Engine Oil 82
Hydraulic Oil 83
Transmission Oil 84
Transfer Case Oil 84
Axle and Final Drive Oil 85
Grease 86
Oil Filters 86
Lubricant Storage 87
Alternative And Synthetic Lubricants 87
Maintenance—Periodic Maintenance 88
Service Your Machine at Specified Intervals 88
Use Correct Fuels and Lubricants 88
Prepare Machine for Maintenance 89
Install Bin Prop 90
Install Articulation Safety Lock Bar 90
Lower and Raise Bottom Guard 91
Relieve Pneumatic Pressure 91
Tilt Cab 92
Maintenance and Repair Record Keeping System 94
Maintenance—As Required 98
Service Engine Air Intake System 98
Check Engine Crankcase Breather 99
Drain Primary Fuel Filter (Water Separator) 99
Inspect and Clean Cooling Systems 100
Clean and Inspect Hydraulic Reservoir Breather 101
Inspect Tires, Check Pressure 102
Lubricate Hinges 103
Change Engine Coolant 104
Maintenance—Every 10 Hours or Daily 106
Check Engine Air Intake System 106
Check Operator Controls and Instruments 106
Check Warning Lights and Warning Buzzer 106
Check External Lights and Reverse Buzzer 107
Check Hydraulic Oil Level 107
Check Transfer Case Oil Level 107
Check Transmission Oil Level 107
Check Engine Coolant Level 109
Check Engine Oil Level 109
Check Brake Accumulators 110
Maintenance—Every 500 Hours 111
Clean, Inspect, and Replace Breathers—Transmission, Transfer Case, and Axles 111
Check Front Axle Suspension Struts 112
Inspect, Clean, and Replace Cab Air Filter 113
Check Dry Caliper Service Brake Pad Wear 114
Check Park Brake Pad Wear 114
Lubricate Dump Body Pivots, Oscillation Tube, Articulation Joints, Steering Cylinder Rod Ends, and Oscillation Tube Through Drive Shaft Bearings 115
Check Batteries, Clean and Tighten Terminals 116
Change Engine Oil and Replace Filter 117
Check Electrical Connectors, Harnesses, and Looms 118
Lubricate Tailgate Pivots—If Equipped 118
Maintenance—Every 1000 Hours 119
Replace Primary Fuel Filter (Water Separator) 119
Replace Final Fuel Filter 120
Adjust Engine Valve Clearance 120
Replace Hydraulic Reservoir Breather 121
Check Axle Oil Levels 121
Check Final Drive Oil Levels 122
Maintenance—Every 2000 Hours 123
Change Axle Oil 123
Change Final Drive Oil 124
Change Transfer Case Oil 125
Change Transmission Oil 126
Replace Transmission Oil Filters 127
Replace Pneumatic System Dryer-Filter 128
Check Coolant Condition in Radiator 129
Maintenance—Every 4000 Hours 130
Replace Hydraulic System Oil Return Filter 130
Change Hydraulic Oil 131
Miscellaneous—Machine 132
Do Not Service Control Valves, Cylinders, Pumps or Motors 132
Do Not Service Injection Nozzles 132
Clean Fuel Screen 133
Prime Fuel System 134
Inspect Serpentine Belt 134
Check Wheel Nuts 134
Using Battery Charger 135
Handling, Checking And Servicing Batteries Carefully 136
Replace Batteries 138
Replace Front Turn Signal Bulb, Headlight Bulb, and Front Park Light Bulb 139
Adjust Headlights 142
Replace Backup Light and Work Light—If Equipped 143
Replace Tail and Brake Light and Rear Turn Signal 144
Replace Dome Light Bulb and Circuit Breaker Compartment Light Bulb 144
Unified Inch Bolt and Cap Screw Torque Values 145
Metric Bolt and Cap Screw Torque Values 146
Imperial and SAE (Inch) Cap Screw and Nut Torque Values 147
Metric Cap Screw and Nut Torque Values 148
Welding on Machine 149
Miscellaneous—Operational Checkout 151
Operational Checkout 151
Operator Station Checks—Key Switch ON, Engine Stopped 151
Operator Station Checks—Key Switch ON, Engine Running 152
Miscellaneous Checks 158
Miscellaneous—Troubleshooting 159
Using Troubleshooting Charts 159
Engine 160
Transmission 163
Axle 164
Tires 165
Brakes 166
Hydraulic System 167
Instruments and Controls 167
Electrical System 168
Rear Frame and Cab 170
Transmission Diagnostic Codes 171
MDU Displayed Service Codes 184
Miscellaneous—Storage 187
Prepare Machine for Storage 187
Miscellaneous—Serial Numbers 189
Record Product Identification Number (PIN) 189
Record Engine Serial Number 189
Record Transmission Serial Number 189
Front Axle Serial Number 189
Middle Axle Serial Number 190
Rear Axle Serial Number 190
Miscellaneous—Specifications 191
B25D Articulated Dump Truck Specifications 191
B30D Articulated Dump Truck Specifications 195
B25D and B30D Engine Specifications 198
B25D and B30D Travel Speeds 199
B25D and B30D Drain and Refill Capacities 200
Miscellaneous—Crime Prevention Tips 201
Help Prevent Crime 201
Record Identification Numbers 201
Keep Proof of Ownership 201
Park Indoors Out of Sight 201
When Parking Outdoors 202
Reduce Vandalism 202
Report Thefts Immediately 203

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