Operator

Essential Duties and Responsibilities include the following; however, other duties may
be assigned.

• Reads entire order to gain an understanding of the exact materials needed and the

number of batches required.

• Measures and weighs cleaning materials (rubber/water) to effectively clean rotors.
• Sets heater at appropriate temperature (170-180 degrees) and effectively cleans

rotors.

• Reviews and preps mixer order, locating and organizing the raw materials in the

order in which they will be mixed.

• Weighs each ingredient, ensuring that the scale is “zeroed out” after each weigh in. Uses plastic bags to hold raw materials as they are weighed.
• Enters amount of each ingredient into the computer.
• Ensures raw materials meet specs, rounding number to the nearest tenth (10th),

keeping materials at the lower end of the fraction.

• Shuts down control panel to perform clean-out.
• Inspects and cleans out the mixing area to make sure the entire area is free of

debris to avoid contamination: inside the machine, under the machine, the floor
surrounding the mixer, the doors to the mixer.

• Returns to order and reviews mixing directions, following each step of the

process.

• Checks temperature gauges to ensure the batch is mixed at the correct

temperature.

• Tests the temperature of the batch, using a probe to confirm the temperature and

ensures the batch is within the correct parameters (to prevent burning).

• Secures mixing area.
• Once the first batch is done, takes a sample to the lab for testing and further

instructions: modification of the mix or continuation to phase two.

• When given the go-ahead to continue, drops the batch to the extruder conveyor,

checking the extruder control panel to ensure that the batch is moving through the
process as it should.

• Communicates with Extruder Operator to ensure the line moves smoothly.