Powell PowlVac ARG 4 Series, Instruction Bulletin

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28 Operating Procedures
01.4IB.50023A PowlVac® Electrically Operated 15kV Ground and Test
per Long Island Railroad Specifications
Figure 19 Inserting Key KB into Key Lock K3
4. Open the test port shutters using the slider
handle. Install the test probes into the test
ports (Figure 20) . Move the test port shutter
to the left to capture the test probes in the
test probe shutters.
Figure 20 Lock K3 with Probes
5. Rotate Key KB to lock the test probes in the
test ports. Key KB is now available.
6. Transfer Key KB to Key Lock K2 and rotate.
Key KB is now captive and Key KA is
available.
7. Transfer Key KA to Key Lock K1 and rotate
(Figure 16) . The ground and test device
control circuit is now enabled. Key KA is
captive.
8. Move the control selector switch to the
OPEN position.
9. Turn the remote control box ON and
depress the OPEN push button on the
remote control box to OPEN the ground
and test device (Figure 21) .
Figure 21 Press Open on Control Box
10. Move the control selector switch to the OFF
position.
11. Turn the remote control box OFF.
12. The ground and test device is now prepared
for testing.