UPPER DISCHARGE VALVE, TUBES, AND RELATED PARTS REPLACEMENT (FIXED FIRE
EXTINGUISHER) (Sheet 4 of 6)
Make sure all connections and seating surfaces are free of nicks, burrs, or other defects that could
cause leakage. Replace any damaged parts.
Apply zinc chromate primer (Item 50, Appendix D) to ail
threads prior to
installation of threaded tube/hose
Secure tubes and related parts in vise as necessary to
If step 13 in disassembly was accomplished, go to step 1; if
not, go to step 2.
Manually install nipple (A) into elbow (B).
Using pipe wrench, install elbow (B) into valve (C) making sure that arrow on valve (C) is pointed
towards elbow (B).
Using 1 inch wrench, install self-sealing socket (D) onto elbow (B).
Using pipe wrench, install elbow (E) into valve (C).
Using pipe wrench, install elbow (F) into elbow (E).
Go on to Sheet 5