CHIEF ERD8-12-16-20 - Manual (Page 6)

ERD Series Installation Instructions
6
13. Install one of four spacers (E1-E4) into hole on cam to
provide the desired spacing between cam and lock bracket.
(See Figure 4)
Figure 4
NOTE: Only clean the door with water, mild detergent and a
soft cloth.
(E1-E4)
cam in locked position