VALVE BODY REPLACEMENT (FIXED FIRE EXTINGUISHER LINES) (Sheet 2 of 3)
Position valve body (E) in vise as
disassembly and assembly.
Using pipe wrench, hold coupling (F), use
adjustable wrench and remove tee (G) from
Using pipe wrench to hold nipple (H), use pipe
wrench and remove coupling (F) from nipple
Using pipe wrench, remove nipple (H) from
Using 1-1/16 inch wrench to hold bushing (K), use pipe wrench and remove elbow (J) from bushing
Using 1-1 /16 inch wrench to hold bushing (L), use pipe wrench and remove elbow (B) from bushing
Using one 1-1 /16 inch wrench to hold bushing (M), use other 1-1/16 inch wrench and remove
adapter (N) from bushing (M).
Using 1-1/16 inch wrench, remove three bushings (K), (L), and (M) from valve body (E).
Apply zinc chromate primer to all threads prior to installa-
tion of tube/hose connectors.
Using 1-1/16 inch wrench, install three
bushings (A), (B), and (C) into valve body (D).
Using 1-1/16 inch wrench, install adapter (E)
into bushing (C). Then, using torque wrench
and 1-1/ 16 in. crowfoot tighten to 40-55 lb-ft
Using pipe wrench, install elbow (F) into
Go on to Sheet 3