Job Description:

• 1) Inspects and tests thermostat bellows for conformance to established standards, using test stand and charts: Examines bellows for surface defects, such as dents, cracks, or pits.

• 2) Inserts bulb end of bellows assembly into dry ice to lower temperature of liquid in bulb to below zero.

• 3) Connects bellows assembly to fitting on test stand.

• 4) Turns dial on test stand to indicate zero reading.

• 5) Removes bellows assembly from dry ice and inserts bulb end into tank of water heated to specified temperature.

• 6) Reads test stand gauge to ensure expansion height of liquid in bellows conforms to specifications.

• 7) Rejects bellows if defects exceed established standards or tags bellows for rework.

• 8) Maintains records of bellows tested and rejected from each lot.