Comtech EF Data RSU-503 - Manual (Page 27)

RSU-503 Redundancy Switch Unit Installation
Rev. 8 11
Notes:
1. Be sure to position the flanges of the fitting plates in the grooves of
the unistruts.
2. Before tightening the nuts on the threaded rods, ensure that the end
of each rod is screwed in until it is flush with the backside of the
unistrut. This ensures the rods are threaded completely through the
spring nuts.
Tighten each nut firmly.
f. Thread a 5/16-18 nut
about 2” onto the end
of each threaded rod.
g. Slip a 5/16” split
lockwasher, 5/16” flat
washer and flat fitting
plate (in that order)
onto each threaded
rod.
5. Mount the unit as follows:
a. Lift the unit into position on the vertical pole.
b Slip the 14” unistrut
over the threaded rods
(upper and lower).
Note: Install the 14”
unistrut with its open
face toward the pole.
c. Install a 5/16” flat
washer, 5/16” split
lockwasher, and
5/16-18 nut on each
threaded rod.
d. Position the unit as desired, and tighten the 5/16-18 nuts installed in Step
5.c.
e. Slide the pipe blocks inward until they contact the vertical pole, then firmly
tighten the 5/16-18 bolts.