S&C Vista SD - Components; Switchgear Component Descriptions

S&C Instruction Sheet 695-545 9
Operation
Manually Opening or Closing Visi-Gap Load-
Interrupter Switches and Visi-Gap Fault
Interrupters
N OTICE
If the load-interrupter switch or fault interrupter
is equipped with a motor operator, refer to S&C
Instruction Sheets 695-520, “S&C Vista SD
Underground Distribution Switchgear: Installa-
tion and Operation of Vista SD Motor Operator,”
and 695-525, “S&C Vista SD Underground Dis-
tribution Switchgear: Vista SD Portable Remote
Control Pendant.”
STEP 1. To access the operation compartment, remove
the padlock from the gear.
STEP 2. Insert a pentahead socket wrench or tool (a hex-
head socket wrench or tool when catalog number
suf x “-N” is speci ed) into the latching
mechanism. Rotate the wrench or tool 60º
counterclockwise to unlatch the doors. See
Figure3.
N OTICE
Do not apply any undue force when attempt-
ing to open the hinged roof or a door. The
use of undue force may damage the latching
mechanism.
STEP 3. Open each door fully and latch the door holders.
See Figure 4.
STEP 4. To gain access to the termination compartment,
repeat Steps 1 through 3 to open the rear doors of
the enclosure.
Figure 3. To unlock the front doors, turn the pentahead socket
wrench 60° counterclockwise against spring resistance until a
"click" is heard and the wrench reaches its stop.
Figure 4. Using the door holder to hold the door open.
Door Holder (stored)
Door Holder (latched)