Wallace & Tiernan SERIES V-2000, Manual

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WT.025.055.004.UA.IM.0814
MANUAL CHLORINATOR - 3000LB/24HR
EVOQUA W3T109620
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY OR EQUIP-
MENT DAMAGE WHEN USING HYDROCHLORIC ACID, OBSERVE ALL SAFETY
PRECAUTIONS RECOMMENDED BY THE ACID MANUFACTURER/SUPPLIER.
i. Reassemble the valve stem (11) to the upper body (13) and replace
the valve seat O-ring (8) and diaphragm clamping O-ring (outer).
j. Bolt the flange in place with six bolts.
• Cleaning Poppet Check
a. Unscrew adapter (34) and remove O-ring (35). Discard the O-ring.
b. Remove poppet (21) and remove O-ring (23). Discard the O-ring.
c. Clean threads and O-ring grooves by soaking in warm water. Wipe a
thin film of Halocarbon grease on the O-rings and threads.
d. Install a new O-ring on the poppet and insert the poppet into the
holder.
e. Assemble the holder (34) to the injector body. Do not use excessive
force when tightening the adapter.
f. Replace the union nut O-ring (16) before reconnecting the gas line.
4.11.9 Cleaning 1" Fixed Throat Injector (Anti-Syphon) (See Dwg. 25.200.002.040)
NOTE: When removing O-rings, use a blunt tool to pull them out. Do not
damage the tightening surfaces. Apply a thin film of Halocarbon grease to
the new O-rings and to the threads.
a. Follow the directions in paragraph 4.11.8, Cleaning 1" Fixed Throat Injector
(Standard), Cleaning Injector Unit Diaphragm Backcheck.
b. Unscrew the clamping nut (33) with the parts connected.
c. Remove the poppet (21). Replace the O-ring (20).
d. Remove the snap ring clip (31).
e. Remove the clamping nut (33) and spring (32).
f. Remove the clamping washer (29) and replace O-ring (35).
g. Replace the diaphragm assembly (1). Assemble with clamping disc, clamp-
ing screw, and spring (32). Secure with snap ring (31).
h. Remove the plug (19) and replace the O-ring (20).
!