|
|
       CODE: 575.664-010 Buy the DOT:Download/CD-ROM
TITLE(s): CENTRIFUGAL SPINNER (concrete prod.) alternate titles: feeder operator; spinner,
concrete pipe
Performs any combination of following tasks to coat concrete pipe in metal molds: Slides prepared
wire mesh cage into mold and secures cage with short lengths of wire. Places cotton rope gasket
between flanges along length of split mold. Bolts mold halves together and fastens bell ring and
guide wheels into place, using hand and power wrenches. Signals operator of hoist or industrial
truck to transfer mold onto wheels of spinning machine. Starts spinning machine and adjusts controls
of filling machine to feed wet concrete into spinning mold, to specified level. Increases speed of
rotating mold for specified length of time to set concrete. Pushes pole and brush against inside of
spinning pipe to finish surface. Signals worker to move mold to curing area or uses chain hoist.
Covers mold with plastic tarpaulin and turns on steam to cure concrete. Removes, cleans, and oils
mold when concrete is cured, using hand and power wrenches and brushes. May adjust filling machine
to accommodate size of pipe, using handtools.
GOE: 06.04.21 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77
|