N3205-16-T-7257_Statement_of_Work_(USNS_JOHN_LENTHALL).pdf

USNS JOHN LENTHALL

T-AO 189

MACHINERY, AUXILLIARY N213776013WP13

13 JAN 2016

ITEM NO. 501 CATEGORY "A" MSC/PM1CM1/REC

PORT PTO COUPLING REPAIR

1.0 ABSTRACT

1.1 Perform repairs to the Port PTO coupling.

2.0 REFERENCES/ENCLOSURES

2.1 References:

2.1.1 NAVSEA Tech Man T9241-AH-MMC-010, Main Reduction Gear Assembly.

(available onboard).

2.1.2 NAVSEA Dwg. No. 200-5904776, Miscellaneous Equipment Alignment

Procedures.

2.2 Enclosures:

2.2.1 List of Contractor Furnished Material.

3.0 ITEM LOCATION/QUANTITY/DESCRIPTION

3.1 Location:

3.1.1 Engine room, lower level, Portside, 5-60-0.

3.2 Quantity/Description:

3.2.1 One (1), Power Take-Off (PTO) Coupling

Mfr: Geilslinger, division

Model: BE 72/12.5/420u

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICE: NONE ADDITIONAL

5.0 NOTES

5.1 The contractor shall furnish all the material listed in Enclosure 2.2.1

5.2 Ships Force has reported that the clutch is leaking Oil excessively.

5.3 Machinist and rigging support shall be an separate item issued through the local SSU office.

5.4 Period of Performance dates: Feb. 1, 2016 thru Feb. 21, 2016.

5.5 Location: Port Khalifa

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1 All work shall be performed in accordance with all OEM Specifications and in accordance with ABS and USCG Rules and Regulations.

7.0 STATEMENT OF WORK REQUIRED

7.1 All work shall be accomplished in accordance with reference 2.1.1 by the OEM

Authorized Representative see source below: OEM Representative to provide all parts listed in

Enclosure 2.2.1.

7.1.1 All inspections, readings, and testing to be witnessed by the Port Engineer, Chief

Engineer, Manufacturer’s technical representative, and the ABS Surveyor.

7.2 Perform initial and final alignment checks of the Port power take off (PTO) coupling to ensure that all drive components are within manufacturer’s specifications, using reference 2.1.2 for guidance

7.2.1 Perform an initial laser alignment of the PORT PTO coupling drive train.

7.2.2 Submit a written report with the above results to the Port Engineer.

7.3 Remove, convey to shop, disassemble the equipment identified in paragraphs 3.2.1, in accordance with the technical representative and reference 2.1.1.

7.3.1 Power wire brush and solvent clean all components using manufacturer's approved solvents. Visually inspect all disassembled components in accordance with manufacturer's specifications.

7.3.2 Take and record all clearances (including as found and final) required by the manufacturer, prepare and submit a chart noting above measurements as compared with design clearances.

7.3.3 The contractor shall replace with new thee contractor furnished material Identified in enclosure 2.2.1.

7.3.4 Provide an inspection report stating conditions found and any additional recommended repairs, if any.

7.3.4 Clean all disturbed components, hone/dress all nicks, burrs, and minor imperfections.

7.3.5 Reassemble and reinstall all components, replacing with new all parts detailed in enclosure 2.2.1.

7.3.6 Reinstall and realign the STBD PTO coupling in accordance with manufacturer’s specifications using reference 2.1.1 for guidance.

7.4 Final alignment readings shall be taken in the presence of the Port Engineer and the Chief

Engineer and shall be accomplished using both laser alignment and dial indicator methods.

7.5 Upon completion of all work manufacturer’s representative shall submit a completion report stating conditions “as found” and “as released.” Report shall include all measurements taken and a listing of all parts/components replaced.

7.6 Inspection/Testing:

7.6.1 Perform operational testing during dock trial (4 hrs. minimum).

7.7 All dirt and debris resulting from this work item shall be removed from the ship daily and all areas left clean and in good order.

7.8 Mechanically clean, prepare, prime and paint all new and disturbed surfaces to match surrounding surfaces.

7.9 Preparation of Drawings: None.

7.10 Manufacturer's Representative:

7.10.1 The contractor shall provide the services of a manufacturer’s authorized technical field service representative for equipment specified in paragraph 3.2 throughout the performance of this work item, including dock and sea trials.

8.0 GENERAL REQUIREMENTS

8.1 None additional.

BE 72/12.5/420u Coupling

Paragraph 3.2.1

Qty Part No. Description

4 ea. 416975-01 Primary Seal

4 ea. 416975-02 Secondary Seal

22 ea. 000153x0770 Washer

28 ea. 000153x0771 Washer

36 ea. 000153x0815 Washer

28 ea. 000153x0897 Washer

1 ea. 000073x0057 O-ring

1 ea. 307277 O-ring

1 ea. 307278 O-ring

3 ea. 307279 O-ring

6 ea. 307282 O-ring

4 ea. 307283 O-ring

3 ea. 307284 O-ring

16 ea. 000153x0896 Tab Lock Washer

2 ea. 307288 O-ring

4 ea. 414896 Gasket

Enclosure 2.2.1 - List of Contractor Furnished Material