Description
Doosan Mega 300-3 Wheel Loader Shop Manual (Serial Number 0001 and Up)
Doosan Mega 300-3 Wheel Loader Index:
SAFETY
TO the Operator Of a Daewoo Wheel Loader
Basic Wheel Loader Operating Safety
General Safety Essentials .
Locations of Safety Labels
Summary Of Safety Precautions for Lifting
Operation
Equipment
Maintenance
Shipping and Transportation
SPECIFICATIONS
Component Locations
General Specifications
Excavator Engine Specifications ,
Engine Performance Curves
Working Range and Dimensions .
Working Capacities .
Approximate Weight Of Workload Materials ….. .
INSPECTION, MAINTENANCE AND ADJUSTMENT
Preventive Maintenance
Safety Precautions
Maintenance Intervals .
Table of Recommended Lubricants
Inspection and Maintenance
Daily or Every IO Operating Hours
Weekly or Every 50 Operating Hours
Every 250 Operating Hours
Every 500 Operating Hours .
Every 1 ,OOO Operating Hours
Every 1,500 Operating Hours .
Annually or Every 2,000 Operating Hours
Severe Conditions Maintenance
General Maintenance
Check Hydraulic Pressures ,
Tires and Wheels .
Electrical System
Bolt Torque Chart .
Long Term Storage .
TORQUE CONVERTER AND TRANSMISSION
Drive Train
Transmission
Transmission Troubleshootng
Control Valve
Second Gear Valve
Transmission WO- 130 Control Valve
Transmission Disassembly
Transmission Assembly .
Power Disengagement Gearbox
Differential Type Output Gearing
WK Torque Converter ….. ….. ….. … , . ,
WK Converter Clutch Valve
POWER STEERING
Power Steering System . ,
Steering System Troubleshooting
Steering Unit
Priority Valve
AXLES
Front and Rear Axles
Axle Troubleshooting
Front Axle Housing
Axle Differential ,
Planetary Gear Set
Parking Brake
Rear Axle
Brake System
HYDRAULIC SYSTEM
Hydraulic Circuits Description
Hydraulic Pump
Hydraulic Circuits and Components
Manually Controlled Pilot Valve
Automatic Bucket Return-to-Dig System
Automatic Boom Kick-out System .
Automatic Boom Float System
Hydraulic Cylinders .
Accumulator
Hydraulic System Schematk: .
ENGINE
Engine Specifications (D2366T)
Valve Adjustment Sequence
Engine Cylinder Compression Test
Wear Limits of Major Engine Components .
Engine Oil Pump Overhaul and Rebuilding
Fuel Injection Pump Installation, Alignment and Timing
Cylinder Head Bolt Torque Requirements
ELECTRICAL SYSTEM
Electrical Schematic
24 Volt Operation
Wiring Color Code for Electrical Schematic Diagrams
Engine Start Circuit
Engine Stop Motor
Engine Intake Preheat Circuit
Windshield Wiper Circuit .
Electrical System Schematic
INDEX
