Auxiliary Systems Tech Support Aqua-Chem Evaporator CVN 68/69 Class Ships</span>

Auxiliary Systems Evaporator Support Form

Saturday, May 19, 2012

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AC Pro Whipp & Bourne Solid State Trip Units
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ACB-4000 HR 3P, 500 VAC, 60 HZ, Circuit Breaker Solid State Trip Unit

Tube Equipment & Tools for: Beading, Belling, Expanders, Extractors, Flaring, Inserts, Knock Out, Packing, Packing Removal, Plugs, Pullers, & Rolling Motors

Aqua-Chem Evaporator CVN 68/69 Class Ships
Auxiliary Systems Evaporator Marine Repair Support Form

Ship Information
Ships' Name	Hull Number

Contact Information
Name	Rank

Telephone Number	Extension Number

Email Address	Work Center

Equipment Manufacturer Information
Serial Number	Model Number

Technical Manual Number

Brief Descprition Of Problem

Preliminary Information
	Is the boiler steam plant pressure steady and not fluctuating for the supplied steam to this evaporator?
	Is your air ejector condenser vent line steadily venting steam to the atmosphere? A slight "puffing" of steam is normal.
	Are any the evaporator systems high or flooded, such as Flash Chambers, Distillate Sight Glasses, or Feed Water Heater Sight Glasses?
	Are any of the pump mechanical seals leaking fluid or pulling a suction from the atmosphere, such as Distillate Pump, Condensate Pump, or/and Brine Pump?
Pumps that have packing glands and packing strands, in lieu of mechanical seals, are designed for a slight leak off rate of 20 to 40 drops per minute.
	Is pump leak off rate 20 to 40 drops per minute?
	Is the packing gland dead ended to the pump casing body?
	Is the packing gland allowing air to be sucked back into the pump body cavity?
	When was the last time the Feed Water Heater Tubes were cleaned?

Pressure Gauge Readings
(P1) Distiller Circ Water Pump Discharge	(P2) Feed To Distiller First Stage	(P3) Brine Pump Discharge	(P4) Distiller 6th Stage Shell

(P5) Distiller Distillate Pump Discharge	(P6) Distiller Feed Heater Shell	(P-7) Feed Heater Drain Pump Discharge	(P8) Aux Exh Stm To Feed Heater

(P9) Distiller Circ Water Pump Suction	(P10) RBGA9 Steam To Air Ejectors	Intentionally Left Blank	Intentionally Left Blank
		Blank	Blank

Temperature Gauge Readings
(T1) Distiller Circ Water Pump Discharge	(T2) 6th Stage Condenser Outlet	(T3) 5th Stage Condenser Outlet	(T4) 4th Stage Condenser Outlet

(T5) 3rd Stage Condenser Outlet	(T6) 2nd Stage Condenser Outlet	(T7) 1st Stage Condenser Outlet	(T8) Feed Heater To Evaporator 1st Stage

(T9) Distiller Evaporator 1st Stage	(T10) Distiller Evaporator 2nd Stage	(T11) Distiller Evaporator 3rd Stage	(T12) Distiller Evaporator

(T13) Distiller Evaporator	(T14) Distiller Evaporator 6th Stage	(T15) Distillate Cooler Distiller Outlet	(T16) Feed Heat Steam Supply

Intentionally Left Blank	(T18) 6th Stage Condenser Inlet	Intentionally Left Blank	Intentionally Left Blank

Salinity Cell Readings
(S1) 1st Stage	(S2) 2nd Stage	(S3) 3rd Stage	(S4) 4th Stage

(S5) 5th Stage	(S6) 6th Stage	(S7) After Distillate Cooler	(S8) After Condenser

(S9) Feed Water Heater	Intentionally Left Blank	Intentionally Left Blank	Intentionally Left Blank
	Blank	Blank	Blank

Water Level Stages
First Stage	Second Stage

Third Stage	Fourth Stage

Fifth Stage	Sixth Stage

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