Double Screw and Screw Housing Measurement Chart

Double Screw Wear Check Sheet

Below is the procedure to check the wear of you double screw and housing in your Vemag or H&S model AC stuffers.

• Step 1:

  Make sure screw & housing are clean.

• Step 2:

  Place screw & housing on level surface or slide into machine.

• Step 3:

  Push the housing all the way in until it stops then pull back out 2 inches.

• Step 4:

  Slide screw in housing until 2 inches are sticking out of housing.

• Step 5:

  Rotate screws until there is material at the 12 o'lock position, push the screws in until they are flush with the front of housing.

• Step 6:

  Using a standard set of feeler gauges check the gap at the 12 o clock position.

• Step 7:

  Repeat for opposite side, record measurements.

We consider the screw and housing worn out when .016 -.020 inches of gap are obtained, depending on product. If you have any questions, please give us a call at 800-752-7507.