Xylem MM 702E Series 14-B Ball Type Blow Down Valve - Manual (Page 4)

4
H
CLOSED
OPEN
G
K
STEP 2 - Installing the New Blow Down Valve
a. Hold the new replacement blow down
valve (H) upright and remove the rubber
band around the valve body.
Be careful not to tip the valve as its
components might fall out. If this
occurs, reassemble as shown (J).
H
Gasket
PTFE Seal
PTFE Seal
Spring
Ball
Housing
J
b. Position the blow down valve (H) onto the control's
mating surface (G). So that it's handle (K) is acces-
sible and is able to swing through its full range of
motion (90˚).
c. Insert the four (4) screws provided through the blow
down valve and gasket (D) into the threaded holes
on the mating surface (G).
G
D
d. Using a flathead screwdriver (L), tighten the screws
to approximately 15 ft•lb (20 N•m).
L