A professional who tends machine that casts concrete draintile or pipe by either of following methods. Respnsibilities include:

• (1) Positions metal mold specified for pipe size on floor stand of machine beneath core and spout.
• Lowers core into mold and pulls overhead tamping bar into position in mold.
• Starts machine to rotate mold and activate tamping bar.
• Releases supply of wet concrete from hopper into mold.
• Trowels concrete at top of filled mold to level off end of pipe.
• Stops machine for removal of mold by pipe stripper.
• (2) Positions and bolts pallet rings specified for pipe size to turntable and bottom of feed table.
• Positions and screws packer head on drive shaft.
• Resets trip lever to adjust feed table height.
• Starts machine which lowers packer head into mold and conveys supply of concrete to feed table.
• Rakes concrete from feed table into mold as packer head rises and descends to tamp concrete in mold.
• Steps on pedal to rotate turntable for automatic removal of filled mold and positioning of empty mold.
• Feels concrete and signals worker to increase or decrease moisture of mixture.
• May be designated according to type of product made as drain-tile machine operator; or according to type of machine tended as packerhead-machine operator.