Xylem MM 702E Series 14-B Ball Type Blow Down Valve - Manual (Page 3)

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h. Using a scraper, remove the old gasket (F)
from the control (A). The gasket sealing sur-
face (G) must be smooth and clean for
proper installation.
G
F
A
e. Using a flathead screwdriver (E),
loosen the four (4) screws.
E
E
f. Remove the blow down valve (D) from
the control (A). If necessary, use a
hammer to tap it loose.
D D
A A
g. Inspect the float chamber (E) for debris.
Carefully remove any debris, mud, or other for-
eign matter which may obstruct the float's full
range of motion, without puncturing the float.
E
OR
OR
To prevent flooding, do not puncture float.
Failure to follow this caution could cause property damage.
! CAUTION
NOTE: For spring type blow down
valves, the spring mechanism must
be removed from the control body.