Raw Water System Supply for R.O.

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REVERSE OSMOSIS SYSTEM

TB-55-1900-231-15 Prepositioned Watercraft Preservation and Activation Procedures Manual

Product Water Discharge System

TB 55-1900-231-15

NOTE

Break at low points as required to effect complete drainage, then reconnect.

(d) Filters - Media & Cartridge - Will be drained and the drain plug placed in a bag and attached to

the filter.

NOTE

All valves in system will be left open with exception of raws water overboard.

3. Raw Water System Supply for R.O. Unit - Will have already been flushed with fresh water.

(a) Pumps No. 1 & 2. Drain and blow dry with dry compressed air.

(b) Piping, Raw Water - Drain and blow dry with dry compressed air. All valves in' the system will be

left in open position, except sea suctions, inlet to strainers, and overboard, which will be wired

closed. The duplex, suction strainers will be drained, dried, and caps reinstalled.

NOTE

Disconnect lines at low points as required to effect complete drainage. Reconnect, leave in

ready to operate status.

(c) Chemical Metering Pumps - No preservation required.

4. Electrical Generating System

(a) Switchboard, Controllers, Motors, etc. - No preservation required except controllers/motors

installed on the exterior may require some static packing which will be noted in the preservation

record for the parent equipments.

(b) Generator Engines - Nos. 1 & 2, are 4 Cycle, turbo, charged, caterpillar, #3 is four cycle non-

aspirated. Each will be processed as follows:

(c) Crankcase - Change filters, drain oil and fill with P-10 grade 30. (MIL-L-21260)

(d) Cooling System - Drain, flush/clean and fill with 50-50 mixture of water and anti-freeze.

(e) Fuel System - Change filters, starting with engine hot, run P-9 thru system via fuel supply and

return lines after which the line will be reconnected, ensuring no air entrapment, ready for light off.

(i) Raw Water System - Will be flushed with fresh water, drained, blown dry with dry compressed air.

The sea strainer caps will be secured in place since there is only one sea chest valve before the

strainer. The raw water pumps will be drained flushed, and blown dry along with the system.

NOTE

Lines will be broken at low points as required to effect drainage, then reconnected, in a

ready to operate status.

(g) Batteries, Starting - In dry state, secured in tray. Cable lugs and battery post will be coated with

P-11 and left unconnected. Electroylyte is stored in the Supply cage on the ROWPU Deck.

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