Garrett Infinium LS Owner's Manual page 7

Figure 3
Figure 4
Figure 5
Tighten with bolt, washers
and nut.
. Insert spring clip into
the black stem piece
(Figure 4). Insert black
stem piece into bottom
of silver stem. (You may
need to adjust the length
of the stem after the
searchcoil is attached to
suit individual needs.)
. Insert black rubber
washers into the recessed
grooves on the bottom
of the black stem (Figure
5). Insert bottom of black
stem between raised
mounting holes on top of
the Power DD searchcoil.