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Installing the ISS on a Flat Surface
20
Installation Instructions
There are several ways to mount and install the ISS unit. The following are installation
types that Davis Instruments recommends. Individual ISS locations and installations may
vary.
• Installing the ISS on a flat surface
• Installing the Anemometer on a post or flat surface
• Installing the ISS on a pole
Note: All installations require that the rain collector cone be removed for assembly.
Installing the ISS on a Flat Surface
Refer to the following illustration to install the ISS on a post or flat, vertical surface.
Option 1: Installing the ISS on a Post or Flat Surface
1. With a 3/16" (5 mm) drill bit, drill two holes approximately 2-1/8" (54 mm) apart. Use
a carpenter’s level to ensure the holes are level.
Use the metal backing plate as a guide when marking the holes.
2. Remove the rain collector cone if it is installed on the ISS mounting base.
3. Insert the 1/4" x 3" lag screws through the metal backing plate and the holes in the
mounting base into the post.
4. Tighten the lag screws using an adjustable wrench or 7/16" wrench.
5. Re-attach the rain collector cone. Set the cone back on the base so its latches slide
downward into the latch openings on the base. Rotate cone clockwise.
6. Place the debris screen (shown in the illustration on page 1) inside the cone, “feet-
down” over the funnel hole.
Backing Plate
1/4" x 3"
Lag Screws
1/4" Flat Washers
1/4" Lock Washers
1/4" x 3" Lag Screws
Anemometer Base
40’ of Anemometer Cable
Note: Typically the anemometer and rain
collector are mounted on opposite sides
of the post. They are shown mounted on
adjoining sides to clarify the installation
details.
07395.249 Manual ISS Installation_RevE_Final_Print.pdf 22 4/7/2008 1:44:50 PM