Catskill Craftsmen 64024 - Manual (Page 13)

B. With unit still upside down, tap the 4 caster sockets into the holes in the bottoms of the legs. Tap in
the 4 casters by hitting straight down on the solid part of the caster between the wheels.
NOTE: put the 2 locking casters in the front,
and the non-locking casters in the back.
Illustration 6A