Evoqua Wallace & Tiernan V-2000 Series, Руководство пользователя

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Wt.025.055.002.Ua.iM.0814
ManUal Chlorinator - 500lB/24hr
31
eVoQUa W3t110693
ing and closing cycles in six months or less and wear becomes a consideration
in addition to clean surfaces. For either interval the procedure is as follows:
• Cleaning Injector Unit Diaphragm Backcheck.
a. Shut off injector operating water.
b. Take steps to prevent water flowing back toward the injector from the
point of application.
c. Unscrew gas line tubing nut and remove tubing.
d. Unscrew injector body union nut (10).
e. Unscrew valve stem (8) in the center of the top of the upper body
(32). Wipe the surface of the spherical tip of valve stem with a clean
cloth or paper towel to remove any loose material. Soak briefly in
10% muriatic (hydrochloric) acid if there are any deposits that do not
wipe away with plain water. If the spherical surface is indented, worn,
eroded, or scratched, replace valve stem.
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY OR EQUIP-
MENT DAMAGE WHEN USING HYDROCHLORIC ACID, OBSERVE ALL
SAFETY PRECAUTIONS RECOMMENDED BY THE ACID MANUFAC-
TURER/SUPPLIER.
f. Using a blunt tool, remove the O-ring (31) from the valve seat (9)
(diaphragm clamping screw). Discard the O-ring.
g. Reassemble the valve stem to the upper body and replace the valve
seat O-ring and diaphragm clamping O-ring (outer) prior to assembling
the injector body union nut.
• Cleaning Poppet Check
a. Unscrew the inlet adapter and discard O-ring (2).
b. Remove the poppet and remove the O-ring (3) from the poppet. Discard
the O-ring.
c. Replace the poppet O-ring.
d. Replace the inlet O-ring. Wipe a thin film of Halocarbon grease on the
O-ring before installing it.
e. Reassemble the poppet and inlet adapter.
f. Proceed to paragraph c for the anti-syphon portion of the injector.
!