32
WT.025.055.004.UA.IM.0814
MANUAL CHLORINATOR - 3000LB/24HR
EVOQUA
W3T109620
b. Discard and replace all removed O-rings, seals, and gaskets.
c. Check diaphragms for chafing or cracking. Replace damaged diaphragms.
4.4
Tools
When working with screws, bolts, nuts, and other hardware, use the proper
size tools to avoid damage to screw heads, nuts, etc. This precaution will make
it easier to remove these parts when necessary.
4.5
Gaskets/O-Rings
Keep a supply of gaskets and O-rings on hand so that gasketed joints can be
maintained in proper condition. A regular replacement program for gaskets
will do much to eliminate operating difficulties. The preventive maintenance
kit includes a set of gaskets.
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY OR EQUIP-
MENT DAMAGE, NEVER REUSE GASKETS. ALWAYS REPLACE WITH A NEW
GASKET OF THE PROPER SIZE AND MATERIAL AS IDENTIFIED ON THE
EQUIPMENT PARTS DRAWING.
4.6
Changing Gas Supply Cylinders
Refer to the separate instruction book provided with the vacuum regulator for
detailed instructions and precautions.
4.7
Injector
The injector is a highly important part of the gas feeder. Proper operation of the
system depends upon good injector performance. Each gas feeder is equipped
with an injector that is selected at the factory to suit the installation conditions.
Before shipment, the gas feeder is tested under stated operating conditions
to insure that it will deliver the required flow of gas when operated under the
hydraulic conditions specified on the Evoqua Water Technologies shipping
order. If difficulty is experienced in obtaining the specified capacity at time of
installation, check the injector operating water pressure and the backpressure
to see that they conform with the values specified on your order. If operating
difficulties are encountered after the gas feeder has been in operation, study
the injector parts drawing so that you are completely familiar with the assembly
of the injector before servicing.
4.8
Dirty Water Strainer
A strainer is required in the water line ahead of the injector to avoid plugging
of the injector throat ports by foreign material. If sufficient material is allowed
to build up on the strainer surface, the resultant pressure drop across the
!
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Страница 116: ...CHLORINE HANDLING MANUAL Cl2 BOOK NO WT 025 000 001 UA IM 0614 W3T98244...