TM 10-4610-310-14
0039 00
CHEMICAL CLEANING PROCEDURE continued
26. Place the BOOSTER pump switch in ON. Drain the cleaning tank (Do not run pump dry). Place
pump switch in OFF position. Dispose of the chemical solution according to local and federal
regulations.
27. Reconnect the backwash pump discharge hose to UF module feed inlet. Ensure to close the
cleaning tank drain valve.
28. Using distribution pump and nozzle, fill cleaning tank up to bottom of cleaning tank inlet with product
water. Turn pump OFF when full.
29. Heat the water to 100F and add chemicals as in Steps 9-15.
30. Open cleaning tank drain valve.
31. Circulate the heated cleaning solution by placing the booster and backwash pump switches to
AUTO (mode is still in 4 MAINTENANCE). Run for three minutes.
32. Turn the pumps to OFF position.
33. Allow the UF membranes to soak for 30 minutes.
34. While membranes are soaking, drain remaining water from CLEANING tank and close drain valve.
Refill with product water.
35. Heat product water during the 30-minute soak (do not allow CLEANING tank temperature to exceed
110 F).
36. After 30 minutes of soaking open the drain valve on the cleaning tank to begin UF membrane flush.
37. Remove cap from filtrate bag inlet hose.
38. Turn backwash and booster pumps to AUTO and flush membranes until CLEANING tank is empty.
39. Place BOOSTER PUMP and BACKWASH PUMP switches on control module in OFF position.
40. Repeat steps 1 through 39 by using 295 ml of M331 detergent instead of M334.
41. Turn off circuit breaker CB-1.
42. Place LWP back to normal configuration.
CAUTION
It is important to ensure that there is no chlorine in the water before reconnecting the filtrate bag into
normal configuration. Damage to RO membranes may result.
43. Leave the inlet connection to the filtrate bag disconnected and run the LWP in normal operation
(Filtrate should be flushing out from the connection). Run the unit for 5 minutes and use the chlorine
test strip to test for presence of chlorine at the inlet connection If chlorine is present, continue
0039 00-7
