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DESCRIPTION:
This course describes the operating principles of
hydrostatic transmissions. This two-day program familiarizes students with
the operation, adjustment, start-up and troubleshooting of hydrostatic
transmissions.
COURSE OBJECTIVES:
After completing this program, students will be able to:
- Identify the main components of hydrostatic transmissions and
describe their functions
- Explain how a hydrostatic transmission works
- Efficiently and safely adjust the protective devices, the mechanical
and hydraulic NULL on Sundstrand Series 20 and 90 pumps and loop
flushing valves
- Relate the symptoms of various failures to probable causes and
perform the necessary checks
COURSE OUTLINE
- General operating principles of hydrostatic transmissions
- Examples of various hydrostatic transmission applications
- Internal mechanism of Sundstrand Series 20 and 90 pumps
- Presentation of various pump controls used in the industry
- Mechanical controls
- Mechanical controls
- Electrical controls (using a programmable controller with
adjustment functions: min. current, max. current, ramps, etc.)
- Overview of available catalogues
- Sundstrand Series 51 variable displacement motors and controls
(break pressure defeat, pressure compensator override, etc.)
- Adjustment methods, instructor demonstration and hands-on lab
- Start-up procedure for hydrostatic systems
- Diagnostic and data acquisition methods
- Hands-on lab using our 150 HP test stands (Québec City only)
- Adjustment and troubleshooting of Sundstrand Series 20 and
90 pumps
Who should attend:
This course is designed for individuals directly involved in the design, maintenance, operation or troubleshooting of hydrostatic transmissions.
Prerequisites:
Understanding of basic hydraulic principles or relevant experience.
Duration:
16 hours spread over 2 days
Maximum of 8 participants per group
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