ADJUSTMENTS
3.1 | General Checks |
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| Check Item | Check point, Rating | ||
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| Flush with keel |
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| Retraction tank level |
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| Above keel |
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| Within 1 m | |
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| Clearance between transducer and bottom of |
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| retraction tank when transducer is |
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| completely retracted by hand crank. |
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| 1 cm |
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| Transducer travel (lowered by hand crank) |
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| Note: When checking, a clearance of |
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| approximately 1 meter is required under the |
| Minimum 30 cm | |
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| bottom of the transducer. |
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| Manual raise/lower of transducer | Transducer can be raised/lowered smoothly | ||
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| with hand crank. | |||
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| Transducer heading |
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| Bow mark inscribed on main shaft | |
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| should face ship's bow. | |
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(Continued on next page)
