November, 2014 IMPCO Technologies Inc. PPI-2 REV. J
3030 South Susan St. Page 9 of 16
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
22. After the sponge (17) is in place, the primary seat
(18) can be installed. Place the seat so the
rubber side is down towards the jet.
23. Reinstall the body (15) and body gasket (16).
Mount the body gasket on the primary pin boss
and two locating pins on the underside of the
body. Use two screws (10) to locate the body on
the heat exchanger body (19). Finger tighten the
screws to hold the two parts in place.
24. Replace the primary valve pin (14).
25. The new primary diaphragm assembly (13) is
ready to be put into place.
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