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5 Cards in this Set
- Front
- Back
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What is the only authorized preventative maintenance authorized for masker belts?
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Cleaning
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How long will the cleaning process take?
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2-4 days, depending on the degree of fouling and the size of the ship
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How is the cleaning operation divided up?
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It is divided up into 3 sections:
- The first involves external cleaning of the belt using a hand held hydraulic grinder. - The second uses a diesel driven WBD-150N water jet machine connected to a flexible lance for interior wall cleaning. - The third operation involves using the Butterworth Zero Thrust Hydroblast Gun. |
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How long can the Hydroblast Gun be used for?
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No more than 85 minutes in a 24 hour period.
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When using the Hydroblast, what UBA shall be used?
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MK-21
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