April, 2019 IMPCO Technologies PPI-68 REV. E
3030 South Susan St. Page 5 of 15
Santa Ana, CA 92704
www.impcotechnologies.com
3030 S Susan Street, Santa Ana, CA 92704
Ph: +1 714 656 1200 Fax: +1 714 656 1400
6. Remove the five primary cover screws (13) and
washers (34)(Series I only), then lift the cover (4) off
the regulator body (2).
7. Remove the cover (4), gasket (33) and primary
diaphragm (3). Note that the primary diaphragm
requires spinning 90 degrees to remove the primary
diaphragm pin from the primary lever (9).
8. Remove the two screws (10) holding the primary
lever bridge (11) in place.