Chapter 10 - Installation Guide - Garnet SeeLeveL Special 809-DM User Manual

CHAPTER 10 - INSTALLATION GUIDE

1. Pick a spot in the tank for the sender bar to be mounted. It
should be as close to the middle of the tank as possible. Allow
room for the head at the top of the sender bar. Make sure
that the float will not contact any baffles or other obstructions
in the tank. It is preferable if the float can be accessed from
the hatch, to make any future service work easier. For this
reason do not mount the float behind a baffle where it can't
be reached from the hatch.
2. Drill or cut a hole in the top of the tank to mount a 1 inch NPT
coupler (not provided). Weld the top coupler in place.
3. Slide the compression fitting over the sender bar, threads
facing down, and insert the bar through the coupler and align
it vertically in the tank. Determine how much length needs
to be cut off the bottom of the bar. At a minimum the bar
should be mounted 1 inch off the bottom of the tank to allow
for tank expansion and contraction. For tanks greater than
75 inches in height, increase the gap to 1.5 inches. Cut the
bar with a hack saw and trim the exposed circuit board with
a sharp knife. Do not use a disk type cutoff saw since the
heat generated will short circuit the internal circuit board.
4. Ensure that the compression fitting is on the bar and clean
the end of the bar and the inside of the end cap with Loctite
7070 Cleaner. Spray Loctite T7471 Primer onto both the end
of the bar and the inside of the end cap. Allow the primer to
dry for a few minutes. Apply a bead of Loctite 680 Retaining
Compound around the bottom of the tube and around the top
of the end cap. Place the cap onto the end of the tube with
a twisting motion so that the retaining compound is smeared
completely on the portion of the bar where the end cap is. To
remove entrapped air, place the end on the floor and rock the
bar until excess air has escaped. Keep the end cap in position
by gently clamping the bar in a vise with the end against a
solid object. Avoid setting the end cap against a cold floor,
as this will slow the curing process. The curing time should
be about an hour at room temperature. The Loctite must be
set before the tank is put into service. Bar failure due to
a leaking end cap is NOT covered by warranty. Note that
a kit with all the required Loctite products is available from
Garnet.
Loctite Compatibility Chart located in Support Documents on
our website, www. garnetinstruments.com.
809-DM Manual
For further details on the Loctite products see the
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