620H Series Scrapers
ST 143
620H Series Scrapers
This course is designed to help students locate and identify the major components in the electrical, engine, engine emissions, power train, implement hydraulic, brake, fan, and steering systems of the 621H, 623H, and 627H machines. Major changes from the G-Series Scrapers are covered in detail. The course covers the operation of the various systems and traces the flows of oil and current through them. Students learn to use the dash displays, as well as the functions of all the operator controls.