Xylem MM 702E Series 14-B Ball Type Blow Down Valve - Manual (Page 5)

5
e. Verify that the blow down valve (H) is unobstructed
by opening and closing the valve over its full range
of motion (90˚).
f. Apply pipe sealing compound to the threaded end of
a 3/4" (20mm) NPT blow down pipe (M) and screw it
into the control (N). Tighten the pipe (M) with a pipe
wrench (P) to approximately 47 ft•lb (64 N•m).
M
P N
g. Turn the blow down valve handle (K) to its closed
position.
K
CLOSED
h. Hang the enclosed blow down card (Q) as close to
the control as possible, or remove the protective
backing and affix the card on the boiler jacket close
to the control.
Q
H