Bulldozers

Introduction to Bulldozers State the functions of bulldozers in coal handling. Identify two major types of bulldozers. Identify the major parts of a bulldozer. Bulldozer Hydraulic Systems Identify the major parts of a typical bulldozer hydraulic system. Describe the basic operation of a typical bulldozer hydraulic system. Describe or demonstrate some basic inspection procedures for a typical bulldozer hydraulic system. Inspection and Minor Maintenance Part 1 Describe or demonstrate typical inspection and minor maintenance procedures associated with keeping a bulldozer properly lubricated. Describe or demonstrate typical inspection and minor maintenance procedures associated with a bulldozers cooling system. Describe or demonstrate a procedure for checking and maintaining the electrolyte level in a bulldozers battery. Describe or demonstrate how to check the fuel level in a bulldozer and remove water and sediment from the fuel. Inspection and Minor Maintenance Part 2 Describe or demonstrate typical inspection and minor maintenance procedures associated with a bulldozers air cleaning system. Describe or demonstrate how to adjust the track tension on a track-type bulldozer. Describe or demonstrate how to check the air pressure and general condition of the tires on a wheel-type bulldozer. Operation Part 1 Identify some of the safety precautions commonly associated with operating a bulldozer. Identify the major instruments and operating controls normally used on a bulldozer. Describe how to start up and shut down a bulldozer. Describe how to steer a track-type bulldozer. Describe how to slow down and stop a bulldozer. Operation Part 2 Identify hazards commonly associated with driving a bulldozer on a coal pile and explain how these hazards can be avoided or dealt with. Describe how to use a bulldozer blade on a coal pile. Describe and explain the advantages of the following reclaiming techniques: downhill dozing and side-by-side dozing.