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Questions and Answers
What is the main function of the electric dump valve?
What is the main function of the electric dump valve?
- Purge pressure in the hydraulic system to the hydraulic tank when not powered
- Maintain pressure in the system when the hydraulic pump is turned on
- Release hydraulic pressure from the piping and accumulator when the hydraulic pump is off (correct)
- Control the flow and pressure of the pneumatic system
What is the purpose of the manual dump valve?
What is the purpose of the manual dump valve?
- Ensure there is no pressure in the system for maintenance (correct)
- Control the flow and pressure of the pneumatic system
- Maintain pressure in the system when the hydraulic pump is turned on
- Release hydraulic pressure from the piping and accumulator when the hydraulic pump is off
What could happen if the electric dump valve does not work properly?
What could happen if the electric dump valve does not work properly?
- Hydraulic pressure could remain in the equipment, creating a dangerous situation (correct)
- The hydraulic pump will not reach its normal pressure when running
- The hydraulic system will lose all pressure
- The pneumatic system will become overpressurized
When should the manual dump valve be opened?
When should the manual dump valve be opened?
What should be ensured before adjusting the pneumatic flow and pressure?
What should be ensured before adjusting the pneumatic flow and pressure?
What should be done to ensure that motors are powered off?
What should be done to ensure that motors are powered off?
Where is the manual dump valve located for ensuring hydraulic pressure in the accumulator is at atmosphere?
Where is the manual dump valve located for ensuring hydraulic pressure in the accumulator is at atmosphere?
How should the pneumatic regulator be adjusted to the desired pressure?
How should the pneumatic regulator be adjusted to the desired pressure?
In which direction should the flow control be turned to increase the flow speed?
In which direction should the flow control be turned to increase the flow speed?
What must be performed by a qualified employee when adjusting pneumatic flow and pressure?
What must be performed by a qualified employee when adjusting pneumatic flow and pressure?
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