21
PowlVac
®
Electrically-Operated Ground and Test Device
IB-65060
Figure 34. Insert Key KC in
Key Lock K3 and Rotate
24. Rotate key KD to lock the test probes in the test
ports. Key KD is now available (Figure 51).
25. Transfer key KD to key lock K4 and rotate (Figure
52). Key KD is now captive and key KB is
available.
26. Transfer key KB to key lock K1 and rotate (Figure
53). The ground and test device control circuit is
now enabled. Key KB is captive and key KU is
available.
27. Verify that the Control Selector Switch is in the
OFF position (Figure 54).
28. Connect the umbilical cord of the Remote Oper-
ating Station to the ground and test device and
lock it by turning the plug clockwise (Figure 55).
29. Move the Control Selector Switch to the OPEN
position (Figure 56).
30. Turn the Remote Operating Station ON and
depress the OPEN push button on the Remote
Operating Station to open the ground and test
device (Figure 57).
31. Move the Control Selector Switch to the OFF
position (Figure 58).
32. Turn the Remote Operating Station OFF and
disconnect the Remote Operating Station umbili-
cal cord from the ground and test device (Figure
59).
33. Rotate key KB in key lock K1 electrically locking
the ground and test device in the OPEN position.
Remove key KB from K1 (Figure 60).
34. Lock key KB in the Con Edison lock box.
35. The ground and test device is now prepared for
testing.
Figure 31. Insert Key KU into
Key Lock K1 and Rotate Key KB
Figure 32. Key KB is Available
Figure 33. Insert Key KB in
Key Lock K2 and Rotate Key KC
