This Level 2 course will showcase the operational systems of the 4100 model.  The service technicians will be guided through the pneumatic and hydraulic systems by studying the system’s schematics.  Extensive in-depth sessions on the machinery train along with Vicon torque converters will allow technicians to build the necessary system knowledge and confidence to troubleshoot system problems.  Quizzes and tasks will be assigned to give technicians another opportunity to gain and retain the daily information covered in these sessions.  Specific Lab Units covered will be 24 Series pump, 25 series motor, air system operation and breaking down swing, travel, boom hoist and main hoist circuits.   Specific classroom units include torque converter adjustments, hydraulic and pneumatic symbols, hydraulic systems for fixed and variable displacement pertaining to the 4100 hydraulic boom hoist, pneumatic swing, travel, and boom circuits, and handle functions for boom, hoist, swing, and travel.  Also covered, will be adjustments for torque converters, clutches and brakes.  In addition, a basic overview of the 4600 model will be covered.