Auxiliary Equipment

Introduction to Auxiliary Equipment State two reasons why coal must be weighed. Describe the general characteristics of coal. Explain the purpose of a representative sample. Give two reasons why coal should be sampled. Weighing Equipment Explain how truck scales are used to weigh coal. Explain how track scales are used to weigh coal. Explain how conveyor belt scales are used to weigh coal. Scale Operation and Preventive Maintenance Describe some of the general procedures involved in operating scales. Explain some of the preventive maintenance jobs that should be performed on scales. Automatic Sampling Describe some of the general principles that apply to collecting a representative sample of coal. Explain how an automatic sampling system generally operates. Manual Sampling Explain how an auger sampler can be used to collect representative samples of coal. Describe some of the general procedures for collecting a representative sample of coal by hand. Preventive Maintenance of Sampling Equipment Describe some of the preventive maintenance jobs that should be performed on sampling equipment. Describe problems that could prevent a sampler from operating properly and explain how these problems can be handled.