Lesson 1 - Conveyor Components
Conveyor profiles, pulleys, and idlers; Bulk-handling conveyor belts; Conveyor drive packages; Support components
Learning Objectives:– Describe the basic operation of a bulk-handling belt conveyor and identify its major components.
– Name and explain the function of the different pulleys used in belt conveyors.
– Describe four popular conveyor drive-package arrangements.
– Explain the purpose and the operation of at least four of the support components of a bulk-handling belt conveyor.
Lesson 2 - Bulk-Conveyor Belting
Belt plies; Storing and handling belts; Installation; Squaring ends, cutting; Belt fasteners; Vulcanized splicing; Tensioning, repairing, and replacing the belt; Troubleshooting
Learning Objectives:– Describe the composition and structure of the three components of a bulk-handling conveyor belt.
– State correct storage and handling procedures for bulk conveyor belts.
– Detail the installation of a belt in a bulk conveyor system, including splicing and tensioning.
– Name the five points that require special attention in a preventive maintenance program for a belt conveyor system.
Lesson 3 - Belt Cleaners and Idlers
Blade, brush, and plow type belt cleaners; Cleaning by rollover; Deck plates; Return idlers; Wing pulleys; PM, inspection, and troubleshooting
Learning Objectives:– Describe the design and placement of blade, brush, and plow belt cleaners and the applications for which each one would be used.
– Name and describe the different types of blade belt cleaners.
– Describe the process of belt cleaning by rollover.
– Explain how devices such as wing pulleys, self-cleaning return idlers, and deck plates function as parts of a belt cleaning system.
– Describe the appropriate safety precautions to take when installing or maintaining belt cleaners.
– List the essential features of preventive maintenance and inspection for a belt cleaning system.
Lesson 4 - Feed and Discharge Devices
Factors in loading and discharge; Skirting devices; Hoppers and accessories; Loading and discharge chutes; Spouting; Inspection; Troubleshooting
Learning Objectives:– Explain two important factors in efficient conveyor loading and how they are affected by the two ways (directions) in which belt conveyors are
– Describe the construction and the purpose of skirtboards.
– Differentiate between a deadbed and a bed of fines and detail the use of both in chute loading of conveyors.
– Name and explain the operation of three special types of discharge spouts.
Lesson 5 - Safety and Troubleshooting
Loading and discharge points; Emergency controls; Preparing for maintenance; Common problems, possible remedies
Learning Objectives:– Differentiate between a conveyor profile and a system profile.
– Point out the special hazards for workers at conveyor loading and discharge points.
– Explain the function and operation of the following emergency controls: electrical interlocks, backstops, level switches, pull-cords, and conveyor
– Name at least five safety measures employees should take to protect themselves when working on or near bulk-handling conveyors.
– Describe the three-step procedure for preventing accidental startup of a conveyor during maintenance work.
– Name at least one specific shore or safety caution required in maintenance work on each of the following: belts, idlers, pulleys, and drive systems.
– Identify common problems (and their probable causes) found in troubleshooting idlers, pulleys, takeup bearings, and conveyor drives.