Description of problem:
The origin of the fracture is indicated by a flat area on the fracture surface.

Likely causes:

  1. Excessive back-up guide “preload”.
  2. Improper band tension.
  3. Guide arms spread to maximum capacity.
  4. Beam bar misalignment.
  5. Side guide too tight.
  6. Worn teeth.
Body Breakage Or Cracks From Gullets