TM 10-4610-232-12
Table 2-28. Routine Operational Services When Operating Without Polyelectrolyte
Operational Service
Ref.
Frequency or Alert
1. Backwash Media Filter
2-21b,c
a. At least daily.
b. Whenever media filter plugged warning light and horn
come on or pressure drop reading exceeds 25 psi.
2. Clean Strainer Basket
2-24b(3)
a. Whenever strainer plugged warning light and horn
come on.
3. Replace Cartridge Filter
2-24b(4)
a. Whenever cartridge filter plugged warning light and
Elements
horn come on or pressure drop exceeds 20 psi.
b. Before beginning cleaning procedures.
4. Refill Chemical Tanks
2-24b(5)
a. Whenever chemical tank low light(s) and warning horn
come on.
5. Data Log
a. Hourly.
6. Routine RO Element
2-25
Cleaning
NTP-A Cleaning
a.
b.
Detergent Cleaning
a.
25 hour operating intervals as determined from the
high pressure pump hourmeter.
As a part of long term secured shutdown procedures.
Following NTP-A cleaning at 100 hour intervals.
7. Bisulfite Sanitization
2-26
a. Shutdown to temporary secured status.
b. Following detergent cleaning when shutting down to
long term secured status.
2-112
