ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
REVERSE OSMOSIS SYSTEM DETERGENT CLEANING OPERATION
UNDER USUAL CONDITIONS
INITIAL SETUP
Materials/Parts:
AC-120 Bisulfite, (1) 12 oz packet (Box #4)
Measuring Bottle for bisulfite
AC-310 Membrane Detergent Cleaner, (4) 1 Gallon Containers (Box #4)
Three 2 in. x 10 ft. Cleaning Waste Hoses
Adaptor A-10 (Box #1)
Adaptor A-12 (Box #1)
Cleaning Waste Storage Module if used
One 1500 gallon cleaning waste storage tank
Two Adaptors A-16 (Box #1)
One 2-in. x 50-ft. raw water hose if cleaning waste storage module is not used
Personal protective gear (Box #1)
Chemical apron, 2
Face shield, 1
Chemical gloves, 2 pair
Dust mask, 1
Personnel Required
Two Operators/Crew
Equipment Condition
TWPS Operational
At least 500 gallons of useable product water must be available in the distribution tanks
GENERAL
RO detergent cleaning is performed when indicated by the % Clean calculation and the % Salt Rejection
display on the OCP. Table 1 identifies the % Clean and % Salt Rejection criteria that indicates that RO
detergent cleaning is needed. RO % Clean and RO % Salt Rejection are described in more detail in WP
Table 1. RO Detergent Cleaning Schedule.
RO % Clean
% Salt
Problem
Cleaning
Rejection
Indicated
Required
Less than 90% and a decrease of 10% or
Unchanged
Silt or biological fouling
RO Detergent Cleaning
more since beginning the mission or last
(High pH cleaner AC-310
cleaning.
Detergent)
AC-310 membrane detergent cleaner is used for the RO detergent cleaning. Caustic is NOT used for this
cleaning procedure. (Use of caustic for this cleaning procedure will destroy the RO membranes.)
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