S321 User Guide Chapter 2-Installation Page 10 of 65
Installing S321 on a Tribrach
The S321 mounts flush to the tribrach, by securing the 5/8-11” female metal mounting portion of
the S321 to the standard 5/8-11” male portion of the tribrach. Hand-tighten (35‐40 in-lbs. of
torque) to secure the S321 onto the mount in a clockwise rotation.
Figure 2-4: Installing S321 on a tribrach
Installing the S321 on a Range Pole
Using the standard 5/8-11” mount on the bottom of the S321, you can secure the unit to a field
standard 5/8-11” range pole. the S321 should be placed carefully on the range pole, to ensure
cross‐threading does not occur, while rotating the unit in a clockwise direction.
Hand-tighten (35‐40 in-lbs. of torque) to secure the unit.
Figure 2-6: Range pole installation
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