|
2.
Using a sheet metal screw,
because of its squared shoulder; put the screw in
the center of the horizontal hole.
|
3. Do
not tighten the screw. Leave it approximately 1/4
to 1/2 turn loose.
|
4. When
all the screws are in the track you should
be able to wiggle horizontally a small distance.
|
5.
Now the track is able to
expand or contract with temperture changes, and shouldn't
buckle or warp. |