Job Description:

• 1) Tends machines that dry and grind liquid food products, such as chocolate, malt, milk, or yeast: Turns valve to control flow of steam to heat drier to operating temperature and observes thermometer and pressure gauge to ensure that specified temperature and pressure are maintained.

• 2) Installs cutting blades and screens in mill.

• 3) Starts drier and turns valve to regulate material flow between heated revolving drums.

• 4) Observes thickness and color of dried material sheet emerging from drums to determine moisture content of material.

• 5) Turns screws to adjust drum speed and thickness of sheet to ensure that required dryness of material is attained.

• 6) Turns screws to adjust knife that scrapes material off drum.

• 7) Starts conveyor that carries dried material into mill.

• 8) Places container at outlet of mill to catch dry, ground product.

• 9) May be designated according to material dried and ground as Yeast-Drier Operator, Drum.