PPI-4-116 REV. C
IMPCO Technologies Inc.
July, 2015
Page 10 of 15
3030 South Susan St.
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
23. Valve Seat (19) shown with aluminum side up
ready to be placed on jet.
24. Place the Seat (19) with the viton (black rubber)
side down, in position on jet.
25. Spring (11) ready to be fastened in place. Be sure
the arc in the center faces upward (see illustration in
step 26 below).
26. Replace Spring (11) and fasten in place with Screw
(4). Align the tip of Spring (over valve) and center
between the 3 guide fins as shown in illustration.
Tighten Screw 28-32 in-lbs. (3.2-3.6 Nm)