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14 Cards in this Set
- Front
- Back
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What are special built tools that are necessary for the insertion of the replacement waster sleeves and welding of replacement strainer bars?
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The cross brace jig, welding stage, and the watering/dewatering apparatus
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When cutting the 2 middle strainer bars from the sea chest wall how many inches out from the sea chest must you cut it?
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2" from the strainer wall
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At what positions should you install 2, 6 ft. all-threads to remove the strainer grate?
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opposing sides of the grate, at the 12 and 6 o'clock position
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What minimum clearance must the grate be lowered from the sea chest opening?
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4 ft.
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A replacement waster sleeve section, that will recieve the steam blow-out hole, should be at which of the 2 sections?
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Sections with the 15 degree off-center cuts on the leading edges
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If pitting in the sea chest groove or shoulder area has been cleaned to bare metal, what should it be painted with?
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MIL-P-23236 TYPE III, Class 1 paint
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Where is weld repair not recommended?
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In the sea chest groove or shoulder area
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Pitted, corroded, eroded, and damaged areas below the groove or shoulder with a depth exceeding ______ % of the wall thickness shall be restored with weld buildup?
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25%
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What is the anti-rotation dowel made from?
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brass dowel
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the anti-rotational dowel should protrude a maximum of ___/___ inch from the bottom of the groove?
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5/16 inch from the bottom of the groove
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What should you use to dry the sea chest walls to permit paint adhesion?
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acetone
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When painting a sea chest what is the maximum thickness of the coat?
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20 mils in thickness
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What is used to form a gasket between the waster sleeve flange and the sea chest valve flange?
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polysulfide rubber adhesive
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What is the minimum cure time for the polysulfide rubber adhesive?
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30 minutes
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