This course is designed to enhance the technical expertise of maintenance personnel, technicians, operators, and others who are associated with equipment maintenance.
Our teaching methods include heavy class participation, visual aids, texts, and actual components. Our instructors have many years of experience and take a non-intimidating, no-nonsense approach in their presentation.
Attendees should bring note taking material and a hand held calculator. This course is a minimum of 16 hours and a maximum of 40 hours.
I. Flow/Pressure Relationship
A. Pascal's Law
B. Pressure Drop
C. Increased Oil Velocity in a Conductor
II. Fluids
A. Petroleum Base
B. Non-Conductive Oils
C. Viscosity
III. Contamination/Filtration
A. Contamination Levels (S.A.E. Class Codes)
B. Strainer Sizing
C. Suction, Pressure, and Return Filter
D. Beta Ratio
IV. Pumps
A. Inlet Conditions
B. Gear Pumps
C. Vane Pumps (Fixed)
D. Piston Pumps
1. Variable (Pressure Compensated
Load Sensing)
V. Flow Controls/ Check Valves
A. Proportional Flow Dividers
B. Pressure Compensated Flow Controls
C. Pilot Operated Check Valves
VI. Pressure Control Valves
A. Relief Valves (Cartridge In-Line)
1. Direct Acting
2. Pilot Operated
B. Sequence Valved (Cartridge In-Line)
C. Counterbalance Valves (HoldingValves)
D. Pressure Reducing Valves
E. Unloading Valves
VII. Directional Control Valves
A. Series Parallel
B. Mid-Inlet Conversions
C. Power Beyond
D. Servo Valves
E. Proportional Valves
F. Work Port Relief Valves
G. Pilot Operated Valves
VIII. Hydrostatic Drives
A. Principles of Operation
B. Non-Charge Pump Units
C. Variable Pump/Variable Motor
D. Variable Pump/Fixed Motor
E. Pump Controls
IX. Schematics/Troubleshooting
A. Symbols
B. Circuit Identification
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