December, 2014 IMPCO Technologies Inc. PPI-131 REV. A
3030 South Susan St. Page 7 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
9. Remove the Gaskets (2 and 5) from the Center
Body (3).
NOTE: Do not use any sharp objects that might
scratch any of the sealing surfaces.
10. Press on the Allen Key hole in the center of the
label to push the Adjustment Screw (21) and
Spring Load Plate (20) through the Link Shaft hole.
11. Using retaining ring pliers, remove the Retaining
Ring (26) securing the Pressure Relief Device or
Valve (25).
12. Note the bottom of the brass Valve (25) inside the
channel of the Upper Body (6) and using a small
regular flat-blade screwdriver, gently press the top
of the blade until the Valve pops out the top of the
Upper Body.
NOTE: Use care and avoid scratching any surfaces.
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