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المملكة العربية السعودية (Arabic)

Setup 6: Release residual energy and verify

In this setup the trainee will practice releasing residual energy and verifying that power is on or off as appropriate. The trainee begins in front of a console, a hydraulic pump with a valve to their right, and a power switch next to it with Use above. There is also a switch locked and tagged to their left. A cabinet is behind them.

The following appears on the console screen:

Service the pump. There's no affected employees to notify. The pump is shut down and energy sources locked, but to make sure press the power button and try powering it on.

The trainee must approach the power switch and press the power button to confirm the machine is powered off. Use appears in blue over the valve on the hydraulic press.

Once the trainee presses the power button (and nothing happens), the following appears on the console screen:

Good job. You verified that electrical power source is disconnected. There may be additional power sources, specifically this pump has a built-in pressure release valve. Use the valve by touching it and squeezing your index finger. Check the pressure gauge to confirm it reads 0.

The trainee must approach the valve and then release the pressure. A gas releasing sound is heard, and the pressure gauge will read 0. The following will appear on the console screen:

Good job. All energy sources are verified as disconnected.

Remove and switch on will appear above the switch in blue. The trainee must approach the switch, remove the tag and switch lock, and then turn on the switch by reaching for it and pressing the trigger. The following appears on the console screen:

Excellent! We've turned on hydraulic power for you. Notice the pressure on the pump now reads 60psi. The red light above the power button indicates all power sources are on and the pump is ready. Try turning the pump on.

Use appears in blue above the power switch, and the switch glows red. The trainee must approach the power switch and press the power button. This ends the setup, and returns the trainee to the training room.

The setup is completed 2 seconds after the pump has been powered on with power button and valve is opened.

The setup is marked as failed if the lock on circuit breaker is removed before releasing the pressure.

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