Objective: Distinguish between gear, vane and piston pumps as used on gate systems
Activities: Conduct volumetric tests to trend pump wear issues
Avoid troubleshooting guesswork by knowing the condition & properties of the fluid source - the pump!
The instructor was very knowledgable and was able to shift to discuss location specific issues. Greg B., BC Hydro
Directional Control Valves
Objective: Explain solenoid and pilot operated valve functions
Activities: Diagnose common directional valve problems
Know what makes the valve function and how to test it!
Pilot Operated Check Valves
Objective: Describe the function of pilot operated check valves
Activities: Test for a damage check valve seat
Know pilot supply and drain line issues cold!
Pressure Control Valves
Objective: Differentiate between relief, pressure reducing and counterbalance valves
Activities: Correctly adjust and diagnose pressure valves
Recognize pressure valve types by symbol & their location within the circuit
Flow Control Valves
Objective: Distinguish between basic and pressure compensated flow controls
Activities: Diagnose and test for a stuck pressure compensator spool
Objective: List procedures to diagnose common problems in cylinders and motors
Activities: Work with an internal cylinder leakage simulation and with our cylinder bypass panel
Avoid myths and accurately diagnose gate cylinder drift!
Objective: Describe characteristics of a properly functioning accumulator bank
Activities: Precharge an accumulator using correct, safe procedures
Determine basic accumulator condition via external observations