S&C Instruction Sheet 761-515 19
Installation
Step 17
Fasten the free end of the grounding strap to
the lowest pipe section a few inches above the
operating-handle assembly (or key interlock)
with the U-bolt connector provided for this
purpose. See Figure 16. Connect the lower end
of the strap to a suitable earth ground using
the grounding connector provided at the end
of the strap.
The grounding recommendations in this
document may differ from the standard
operating and safety procedures of certain
electric utility companies. Where a discrepancy
exists, the operating procedures of the electric
utility apply.
Installing Operating Handle
with Key Interlock
Step 18
The interlock group includes a Superior Type
B6003-1 Mk II single- or multiple-key interlock
(or equivalent), with ⅜-inch bolt projection and
¾-inch bolt travel, locking disc, and interlock
bracket. If “provision only” is specied, the
interlock is not included.
Slide the interlock bracket, locking disc,
operating handle assembly, and foot-bearing
assembly onto the lowest vertical operating
pipe section, with the locking disc and operating
handle assembly between the interlock bracket
and the foot-bearing assembly. See Figure 17.
Figure 17. Position the interlock bracket, locking disc, operating handle
assembly, and foot-bearing assembly onto the lowest vertical operating
pipe section.
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