16
CONNECTING RISER SECTIONS (CONTINUED)
I
NSTALL TRI-CORNER FILLERS (IF USED)
10. Tri-corner fillers are used to fill corner voids in
rectangular configurations. To install them:
a. Unfold the two legs on the side that has
two keepers, until they lock in place.
Partially unfold the third leg (don’t lock
it).
b. Set the tri-corner approximately in place,
and raise the corner with the unfolded leg
until the two keepers will slide under the
edging of the opposite riser. Push the tri-
corner tight against that riser.
Lower the corner until the single keeper
will slide under the edging of the adjacent
riser. Slide the tri-corner until it contacts
the riser.
Raise the corner. Lower and lock the third
leg.
Make sure that all legs are locked in their
open position.
!
WARNING
Tri-corner fillers
can easily tip if not
properly secured.
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