EUD-2016026-00 Rev.2, SmartScanIS User’s Guide for Union Pacific, 14 January 2021
125
17
If vertical adjustment is necessary:
a
Using a short-handle 1-1/2-inch wrench, loosen both nuts on the side of the mount.
The inner nut is the clamping nut. The outer nut is the locking nut.
b
Slide the entire mount toward or away from the alignment fixture.
Sliding toward the fixture raises the crosshairs on the circle. Sliding away from the
fixture lowers the crosshairs on the circle.
c
Using a short-handle 1-1/2-inch wrench, tighten the clamping nut to a
torque of 48
to 50 foot-pounds (65.1 to 67.8 newton-meters)
.
Don't exceed a torque of 50 foot-pounds (67.8 newton-meters). Doing so can
cause failure of the mount.
d
Using a short-handle 1-1/2-inch wrench, tighten the locking nut to a
torque of 48 to
50 foot-pounds (65.1 to 67.8 newton-meters)
.
Don't exceed a torque of 50 foot-pounds (67.8 newton-meters). Doing so can
cause failure of the mount.
18
Until the crosshairs are centered on the circle, repeat steps
16
and
17
.
19
Remove the vertical alignment bar, target sight, and reflector block.
20
Repeat steps
10
through
18
for the bearing scanner on the opposite rail.
21
Remove the alignment fixture from the track.
22
If this is a single-track site:
a
If your site has wheel scanners, go to
7.2 Wheel Scanners
.
b
Store the alignment fixture in the bungalow.
c
If your site doesn't have wheel scanners, go to the next chapter.
23
If this is a double-track site:
a
Repeat steps
1
through
21
for the second track.
b
If your site has wheel scanners, go to
7.2 Wheel Scanners
.
c
Store the alignment fixture in the bungalow.
d
If your site doesn't have wheel scanners, go to the next chapter.
Summary of Contents for SmartScanIS
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