7.
Aff
ix
the
treads to the holders
with
screws
with
#10x1-1
/ 4 .
8. Place
the
Lower
Base
on
a
level
surface.
Snap
the
front
barrier
into
the
groove
on
the
lower
base
facing
round
edge.
Snap
the
back
barrier
into
the
groove
on
the
lower
base
facing
the
straight
side.
9. Slide
the
upper
brace
over
the
front
barrier
as
shown.
Slide
the
upper
brace
through
the
groove
in
the
Back
Barrier
and
push down
lightly
to
secure.
Lower
base
Fix
the
tread
to
holder with
screws
Front
barrier
Back
barrier
Upper
brace
Slide
upper
brace
through
the
groove
4
