1.
Remove
the
A-Frame
ladder and
its
accessories
from
the
box
and
check
whether
all
the
accessories
are
complete.
2.
First
place
the
bo
tt
om
tread
on
a
flat
surface
with
the
grooved
side
facing
up;
then
snap
the two
holders
into
the
groove
.
Note: The
two
holders need
to
be
snapped
into
the
groove
in
the
same
direction.
Tighten
with
screws
for
both
right and
lift
sides
Holder
S
S
ecure with
a
screw
3. Install
four
treads
to
the
holder,
see
the
picture
as
below.
Af
f
ix
the
top
tread
to
the
holder
by
#10x1-1/4 screws.
2