Connect electrical wiring as tagged.
Energize pump motor controllers by closing switchboard circuit breakers P6 and P7 to provide
power to seawater pump motor controllers. Remove red tags.
Open valves SW9, SW11, SW1 6, and SW24 if pump 1 was removed. Open valves SW10,
SW12, SW17, and SW25 if pump 2 was removed.
Seawater pumps are self-priming and are cooled by water passing through the
pump. If pumps are operated without water, they will be damaged.
Momentarily energize pump motor controller by turning power on and starting pump 1 or 2 (Figure
3-1). Listen for pump moving water. If pump is moving water, repair is complete. Make
appropriate entry in maintenance records. If pump does not start moving water within 30
seconds, turn off pump and troubleshoot.
Removal. Remove seawater discharge pump assembly as indicated in step a in paragraph 4-18.104.22.168.
Installation. Obtain seawater pump assembly from void 4 starboard. Install seawater discharge pump
assembly as indicated in step d in paragraph 4-22.214.171.124.
4-7.2.2 Seachest (Void 2 starboard or Void 4 port)
4-126.96.36.199 Cleaning and inspection
Clean exterior of seachest with brush and hot soapy water or an approved solvent. Wipe dry with a clean
Visually check for corrosion, chipped paint, or leaks. Remove corrosion and touch up paint according to
TB 43-0144. Replace flange gaskets to stop leaks. Replace access cover gaskets as given in paragraph
4-188.8.131.52 Repair. Replace access plate gasket as follows:
Remove 19 nuts with lockwashers attaching access plate with synthetic rubber gasket.
Remove access plate with gasket.
Remove gasket from access plate.
Clean tank and access plate mating surface.
Install access plate with new gasket.
Secure access plate with 19 nuts and lock washers.
Touch up paint in accordance with TB 43-0144.
Check for leaks.
4-7.2.3 Seawater strainer