7
Use sharp blade to remove inner plastic ring.
*Safety considerations!
Squeeze silicone
or approved
waterproof
sealant into base
frame groove.
20-inch dia.
(1
st
and 2
nd
Openings)
24-inch dia.
(3
rd
Opening)
Riser Installation-1
INJURE YOUR
LEGS WHEN
YOUR HAND
SLIPPED
CUT YOUR
FINGERS WHEN
YOUR HAND
SLIPPED WITHOUT
GLOVES
Slide several times on the cutting groove
is easier.