Westwood Design Waverly Convertible Crib (WA-CR-9611NR) - Manual (Page 10)

Mattress Height Adjustment
As the child grows and becomes more mobile, the mattress support should be
adjusted to a lower position. By the time the child can stand, the mattress should
be in its lowest position.
A. Carefully tip the crib onto its back.
B. Undo the four wing nuts holding the support arms to the spring and remove
the screws.
C. Lower the spring to the desired setting and align the holes.
D. Insert the screws and tighten the wing nuts.
Highest
Lowest
Middle
Wing Nut
Support Arm