16 S&C Instruction Sheet 761-515
Installation
Step 11
Position and install the guide-bearing assembly
on the pole or structure in accordance with the
dimension shown on the erection drawing. See
Figure 11.
Guide-bearing
assembly
Figure 11. Install the guide-bearing assembly.
Step 12
Pass the next section of vertical operating pipe
up through the guide bearing and then through
the thrust bearing. The thrust bearing will rest
on the guide bearing and support the operating
pipe.
Insert the pipe section into the universal
coupling previously attached to the lower end
of the uppermost operating-pipe section. Do not
tighten the clamp bolts at this time.
While holding the pipe in this position—and
with the thrust bearing resting on the guide
bearing—tighten the piercing set screw in the
thrust bearing, piercing the pipe. Continue turn-
ing until a firm resistance is felt. See DetailB on
the erection drawing. See Figure 12.
Thrust
bearing
Intermediate section
of vertical operating
pipe
Universal
coupling
Figure 12. Install the intermediate section of the vertical operating pipe.
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