Download Hitachi AH250-D, AH300-D Articulated Dump Truck Operator Manual EM187892 PDF (English)

Hitachi AH250-D, AH300-D Articulated Dump Truck Operator Manual EM187892 PDF is a complete guide designed to help operators, technicians, and maintenance professionals understand machine operation, safety procedures, controls, troubleshooting, and servicing instructions. This official manual provides detailed information for efficient operation and proper maintenance of Hitachi articulated dump trucks. Download the Hitachi AH250-D and AH300-D operator manual PDF to access essential specifications, operating instructions, preventive maintenance schedules, and repair guidance for improved performance and reliability.

MODEL COVERED:
AH250-D, AH300-D Articulated Dump Truck

MANUAL CONTENTS:
Safety-Safety Features
Safety Features
Safety-General Precautions
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear Of Moving Parts
Avoid High-Pressure Fluids
Beware Of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
Safety-Operating Precautions
Use Steps And Handholds Correctly
Start Only From Operator’s Seat
Use And Maintain Seat Belt
Prevent Unintended Machine Movement
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over
Operating on Slopes
Operating Or Traveling On Public Roads
Inspect and Maintain ROPS
Add And Operate Attachments Safely
Safety-Maintenance Precautions
Park And Prepare For Service Safely
Service Tires Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Safety-Safety Signs
Safety Signs
Operation-Operator’s Station
Operator Controls
Operator Control Functions
Instrument Panel
Instrument Panel Functions
Heater and Air Conditioner Controls
Steering Column Lever
Circuit Breaker Compartment
Operator Seat and Instructional Seat
Seat Belt
Battery Disconnect Switch and Battery Circuit Breakers
Miscellaneous Equipment
Monitor Display Unit-Default Display Menu
Monitor Display Unit-Menu Function
Operation-Operating the Machine
Before Starting Work
Operator’s Daily Machine Check Before Starting
Starting Engine
Using Booster Batteries-24-Volt System
Driving Machine
Steering Machine
Shifting Transmission
Using Range Hold
Using Inter-Axle Lock
Slowing and Stopping the Machine
Operating on a Hill
Off-Road Operation
Loading and Unloading Bin
Freeing Stuck Machine
Parking the Machine
Towing the Machine
Releasing Park Brake for Towing
Mechanically Releasing Park Brake
Machine Lifting Points
Loading and Unloading Machine from Trailer
Lock All Compartments
Maintenance-Machine
Diesel Fuel
Low Sulfur Diesel Fuel Conditioner
Handling and Storing Diesel Fuel
Diesel Engine Oil
Hydraulic Oil
Transmission Oil
Transfer Case Oil
Axle and Final Drive Oil
Grease
Oil Filters
Lubricant Storage
Alternative And Synthetic Lubricants
Maintenance-Periodic Maintenance
Service Your Machine at Specified Intervals
Use Correct Fuels and Lubricants
Prepare Machine for Maintenance
Install Bin Prop
Install Articulation Safety Lock Bar
Lower and Raise Bottom Guard
Relieve Pneumatic Pressure
Tilt Cab
Maintenance and Repair Record Keeping System
Maintenance-As Required
Service Engine Air Intake System
Check Engine Crankcase Breather
Drain Primary Fuel Filter (Water Separator)
Inspect and Clean Cooling Systems
Clean and Inspect Hydraulic Reservoir Breather
Inspect Tires, Check Pressure
Lubricate Hinges
Change Engine Coolant
Maintenance-Every 10 Hours or Daily
Check Engine Air Intake System
Check Operator Controls and Instruments
Check Warning Lights and Warning Buzzer
Check External Lights and Reverse Buzzer
Check Hydraulic Oil Level
Check Transfer Case Oil Level
Check Transmission Oil Level
Check Engine Coolant Level
Check Engine Oil Level
Check Brake Accumulators
Maintenance-Every 500 Hours
Clean, Inspect, and Replace Breathers-Transmission, Transfer Case, and Axles
Check Front Axle Suspension Struts
Inspect, Clean, and Replace Cab Air Filter
Check Dry Caliper Service Brake Pad Wear
Check Park Brake Pad Wear
Lubricate Dump Body Pivots, Oscillation Tube, Articulation Joints, Steering Cylinder Rod Ends, and Oscillation Tube Through Drive Shaft Bearings
Check Batteries, Clean and Tighten Terminals
Change Engine Oil and Replace Filter
Check Electrical Connectors, Harnesses, and Looms
Lubricate Tailgate Pivots-If Equipped
Maintenance-Every 1000 Hours
Replace Primary Fuel Filter (Water Separator)
Replace Final Fuel Filter
Adjust Engine Valve Clearance
Replace Hydraulic Reservoir Breather
Check Axle Oil Levels
Check Final Drive Oil Levels
Maintenance-Every 2000 Hours
Change Axle Oil
Change Final Drive Oil
Change Transfer Case Oil
Change Transmission Oil
Replace Transmission Oil Filters
Replace Pneumatic System Dryer-Filter
Check Coolant Condition in Radiator
Maintenance-Every 4000 Hours
Replace Hydraulic System Oil Return Filter
Change Hydraulic Oil
Miscellaneous-Machine
Do Not Service Control Valves, Cylinders, Pumps or Motors
Do Not Service Injection Nozzles
Clean Fuel Screen
Prime Fuel System
Inspect Serpentine Belt
Check Wheel Nuts
Using Battery Charger
Handling, Checking And Servicing Batteries Carefully
Replace Batteries
Replace Front Turn Signal Bulb, Headlight Bulb, and Front Park Light Bulb
Adjust Headlights
Replace Backup Light and Work Light-If Equipped
Replace Tail and Brake Light and Rear Turn Signal
Replace Dome Light Bulb and Circuit Breaker Compartment Light Bulb
Unified Inch Bolt and Cap Screw Torque Values
Metric Bolt and Cap Screw Torque Values
Imperial and SAE (Inch) Cap Screw and Nut Torque Values
Metric Cap Screw and Nut Torque Values
Welding on Machine
Miscellaneous-Operational Checkout
Operational Checkout
Operator Station Checks-Key Switch ON, Engine Stopped
Operator Station Checks-Key Switch ON, Engine Running
Miscellaneous Checks
Miscellaneous-Troubleshooting
Using Troubleshooting Charts
Engine
Transmission
Axle
Tires
Brakes
Hydraulic System
Instruments and Controls
Electrical System
Rear Frame and Cab
Transmission Diagnostic Codes
MDU Displayed Service Codes
Miscellaneous-Storage
Prepare Machine for Storage
Miscellaneous-Serial Numbers
Record Product Identification Number (PIN)
Record Engine Serial Number
Record Transmission Serial Number
Front Axle Serial Number
Middle Axle Serial Number
Rear Axle Serial Number
Miscellaneous-Specifications
B25D Articulated Dump Truck Specifications
B30D Articulated Dump Truck Specifications
B25D and B30D Engine Specifications
B25D and B30D Travel Speeds
B25D and B30D Drain and Refill Capacities
Miscellaneous-Crime Prevention Tips
Help Prevent Crime
Record Identification Numbers
Keep Proof of Ownership
Park Indoors Out of Sight
When Parking Outdoors
Reduce Vandalism
Report Thefts Immediately

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