TM 10-4610-240-10
TM 08580C-10/I
T.O. 40W4-13-21
(19) Connect chemical feed tubes to chemical feed containers as follows (see figure 2-35):
(a) Blue tube to POLYMER.
(b) Green tube to SODIUM HEX.
(c) Red tube to CHLORINE.
(d) Yellow tube to CITRIC ACID.
FIGURE 2-35 TUBES ATTACHED TO CHEMICAL FEED PUMPS
WARNING
Chemicals used for operating ROWPU can kill you. The chemicals alone or in mixture can be dangerous.
ALWAYS wear protective clothing and make sure area is well ventilated.
CAUTION
Use only chlorine free water for mixing to prevent damage to ROWPU membranes. If this is the first time
the ROWPU is being started, use raw water to mix chemicals. If you are restarting the unit, use brine from
storage tank.
(20) Mix polymer chemical as follows:
(a) Fill 107 ml measure HALF-FULL, with liquid polymer chemical (there is no half-full mark on
measure).
(b) Mark one pail for use with polymer.
Pour liquid
chemical into POLYMER pail.
(c) Add brine (if available) or raw water up to the 3-gallon
mark.
(d) Stir with wooden paddle for at least a minute (f) Pour
solution into 5 gallon chemical container marked POLYMER.
2-47
