S&C Alduti-Rupter, Руководство по установке

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S&C Instruction Sheet 761-515 21
Installation
Step 21
Hold the locking disc
3/8
-inch below the interlock
bracket, and drill
7 / 16
-inch diameter holes
through the vertical operating pipe section,
using the holes in the locking disc collar as a
guide. Attach the locking disc to the pipe using
the
3/8
–16
×
3-inch cap screw, lockwasher, and
nut furnished. See Figure 20.
⅜
–16 × 3-inch cap
screw, lockwasher,
and nut
Locking
disc
⅜
-inch
Figure 20. Attach the locking disc.
Step 22
NOTICE
Key interlocks are intended for proper
sequencing of switch operations; they
are not intended to provide security . The
operating handle assembly includes a
swing-away hasp for padlocking the switch
in either the
Open
or
Closed
position .
Block one of the two slots in the locking disc
with the blocking screw provided. (The slot to
be blocked depends on whether a locked-open
or locked-closed arrangement is required.) See
Figure 21.
Blocking screw
Locking disk
Figure 21. Blocking slot in the interlock disc.