TM 55-1930-209-14&P-2
4-7.2.12.1 Repair
a.
On face of valve located on top of deckhouse, remove three cap screws holding cap in place.
b.
Carefully remove cap, protective mesh, space ring, and flame screen from valve body.
c.
Clean all these components with soap and water using a stiff brush if necessary.
d.
Visually inspect parts for damage and replace damaged parts.
e.
Install parts in air escape body in reverse order of removal. Tighten three cap screws holding cap in
place.
4-7.2.12.2 Replacement
a.
Removal. Burn off ballast tank escape valve and unscrew seachest escape valve.
b.
Installation. Weld on new ballast tank escape valve and screw on new seachest escape valve.
4-7.2.13 Generator cooling inlet and outlet temperature gauges
4-7.2.13.1 Cleaning and inspection
a.
Wipe clean temperature gauges listed below with rag dampened with hot soapy water or an approved
solvent. Wipe dry with clean cloth.
TEMPERATURE GAUGE LOCATION
GENERATOR BEING COOLED
Void 4 port
Service generator 1
Void 4 starboard
Service generator 2
Void 4 starboard
Auxiliary generator 3
b.
Visually Inspect for damage or leaks. Correct leak by tightening connections. Replace damaged gauge.
4-7.2.13.2 Replacement
a.
Removal. Close following seawater valves as necessary:
VALVE
VALVE LOCATION
SW38 or SW39
Void 4 port (Service generator 1)
SW40 or SW41
Void 4 starboard (Service generator 2)
SW42 or SW43
Void 4 starboard (Auxiliary generator 3)
b.
Installation. Install temperature gauge in reverse order of installation in step a.
4-7.2.14 Ballast tank. Repair ballast tank when leak is noted at access plate as follows:
a.
Empty ballast tank as given in paragraph 3-3.6.
b.
Remove 24 screws attaching access plate with synthetic rubber gasket.
c.
Remove access plate with gasket.
d.
Remove gasket from access plate.
e.
Clean tank exterior and access plate gasket mating surface.
f.
Install access plate with new gasket.
g.
Secure access plate with 24 screws.
h.
Touch up paint in accordance with TB 43-0144.
i.
Check for leaks when tank is full.
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