Repeat steps 2 and 3 for hypochlorite tank.
Disconnect flush/purge hose and store in storage box #3.
Secure equipment (Figure 2-54).
Open all drain valves, vent valves, and manual valves, Table 2-15, EXCEPT THOSE AT THE RO VESSELS.
This leaves the RO vessels full of sodium bisulfite sanitizing solution. Drain only if subject
to freezing (para. 2-31).
DO NOT hold jog switch in the ON position for more than 10 seconds or severe damage to
equipment will occur (MODEL ROWPU-1 ONLY).
Open all high pressure pump drain valves. (Model ROWPU-1 Only).
Drain any remaining water from the HIGH PRESSURE PUMP by pushing in the jog switch (22) toggle up for not more
than 10 seconds. (Model ROWPU-1 Only).
Remove raw water suction hose at pump and open drain valve (27) on raw water pump.
Disconnect and coil raw water discharge and waste hoses.
Turn COMPRESSOR OFF/ON switch (28) to OFF.
Close media filter vent valve (29) and open the air purge media filter block (30) and allow remaining air in air storage
bottle to dry media bed.
Turn off MAIN circuit breaker (31).
Secure diesel generator (see TM 5-6115-545-12 or TM 9-6115-645-10).
If distribution system is to be drained make certain the 5 gallon plastic jug (18, Figure 2-24)
is filled with product water prior to draining. This water will be used for initial
polyelectrolyte set up (para. 2-17a) during next start-up.
Drain distribution system (pump, tanks, hoses) when appropriate.
If moving, follow instructions in para. 2-28.
2-104 Change 12