ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR MAINTENANCE PROCEDURES
SERVICE UPON RECEIPT
8. (A-TWPS only) Check the shelf life on the WQAS-P chemicals. Replace as necessary.
9. (MC-TWPS only) Check the shelf life of the TDS meter calibration standards. Replace as
necessary.
10. (MC-TWPS only) Check the shelf life of the chlorine analysis kit chemicals. Replace as
necessary
11. Install the MF elements if the caution tag tied to the main circuit breaker states that they are not
installed. Refer to WP 0040, Micro-Filtration System Operator Maintenance Procedures, under
the headings REPLACE and Micro-Filter (MF) Element.
12. Install the RO elements if the caution tag tied to valve V-502 states that they are not installed.
Refer to the instructions in this WP under the heading REPLACE RO SIMULATORS. For
training and for initial operational checks, the RO simulators may be left in place.
13. Check the hydro-test date on the air receiver tank. The date (month and year) is stamped into
the metal near the top of the tank along with other numbers. An example is shown below. Notify
Direct Support to have the air receiver tank hydro-tested if the date is close to or greater than 5
years old.
SEPARATOR BETWEEN MONTH AND YEAR
YEAR
MONTH
TC-3ALM153
DOT-3AL2216 ND18287 LUXFER 05A03
14. Service the TQG, install batteries and bolts. Refer to TM 5-6115-545-12.
15. Complete all preoperational PMCS
RO ELEMENT SIMULATORS REPLACEMENT:
Each TWPS is shipped to the user with an RO Element Simulator inside each of the RO vessels instead
of two RO elements. Once an RO element is wetted (used) it must be shipped and/or stored with a
chemical preservation solution to prevent the elements from deteriorating. For this reason, the elements
are typically not installed in the RO vessels until the TWPS is deployed for the production of potable
water.
The RO element simulators may be removed and replaced with RO elements upon receipt of the TWPS
or they may be replaced just prior to deployment. The instructions that follow describe the steps for
removing an RO element simulator and replacing it with two RO elements.
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