SO-20-006SOWSSDGMaintenance.docx

USNS SPEARHEAD

(EPF-1)

1.0 ABSTRACT

1.1 This item describes the 1k and 2k maintenance and leak repair of four SSDG’s, SSDG 2 timing cover replacement, SSDG 3 saltwater pump replacement and the replacement of SSDG 3 saltwater discharge pressure transducer wiring onboard USNS Spearhead.

2.0 REFERENCES

2.1 FMSNA Isotta Fraschini O.E.M. Technical Manual.

2.2 IDIQ Contract N32205-14-D-2002.

3.0 ITEM LOCATION

3.1 SSDG numbers 1, 2 and 3.

3.2 SSDG numbers 4.

4.0 GOVERNMENT FURNISHED MATERIAL

4.1 GOVERNMENT FURNISHED SERVICES: NONE

4.2 GOVERNMENT FURNISHED MATERIAL: NONE

5.0 NOTES

5.1 Contact James Phillips (primary) 757-443-2924 or Johnathan Overton (secondary) 757-443-5803, for details and requirements concerning access to an MSC vessel.

5.2 The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTR’s including but not limited to GTR’s 1 through 7, 22, 23, 26, 28 and 29.

5.3 PERFORMANCE LOCATION: 400 East Indian River Road Norfolk Virginia

5.4 PERFORMANCE PERIOD: ???DEC 9, 2019 – DEC 23, 2019.?????

5.5 The Contractor shall be an authorized Fincantieri Marine Systems North America, experienced with IFV1312C2ME-HPCR engines and the JHSV Class.

5.6 The contractor shall not operate ship’s equipment without a vessel representative present.

5.7 The contractor shall follow the MSC Lock Out Tag Out Procedure administered by the vessel’s Chief Engineer.

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1 The contractor is responsible for cleaning areas affected and disturbed by the maintenance performed.

6.2 The contractor shall perform all system pre-checks and operational completion checks with vessel crew present.

6.3 All materials shall be tested and verified to ABS standards prior to installation.

7.0 STATEMENT OF WORK

7.1 Perform 1000 and 2000 hour maintenance and inspection on machinery as identified below.

7.1.1 Accomplish 1000 Hour maintenance and inspection on machinery identified in section 3.1.

7.1.1.1 Check and adjust valve clearance on all cylinders (01-D)

7.1.1.2 Replace fuel filter cartridges (02-D), Provide and replace crank breather filter element (02-D)

7.1.2 Accomplish 2000 Hour maintenance and inspection on machinery identified in 3.2.

7.1.2.1 CLIN 3010

7.1.2.2 Clean FW Cooler (04-J)

7.1.2.3 Check coolant temp valve on FW circuit card (04-M)

7.1.2.4 Visual inspection of crank damper (01-F)

7.1.2.5 Check turbo axial and radial clearance (05-C)

7.1.2.6 Check air flap

7.1.2.7 Check pressure switches (08-D)

7.1.2.8 Check of temperature switches (08-E)

7.1.2.9 Check SW pump impeller (04-G)

7.1.2.10 Check JW pump impeller (04-I)

7.1.2.11 Replace coolant with ships provided coolant (04-K)

7.1.2.12 Clean intercooler (05-E)

7.1.2.13 Replace air filter (05-K)

7.2 Accomplish repair of saltwater leak on the fuel cooler connection collar on number 1 SSDG.

7.3 Install new timing cover on number 2 SSDG.

7.4 Install new push rod seals on number 2 SSDG.

7.5 Install new saltwater discharge pressure transducer wiring on number 3 SSDG.

7.6 Install new attached saltwater pump on number 3 SSDG.

7.7 Accomplish repair of oil leak on jacket water pump.

7.8 Accomplish repair of oil leaks on lube oil cooler, head spacer gaskets and push rod seals on number 4 SSDG.

7.9 Reassemble all removed parts using contractor furnished gaskets and sealants.

7.10 Accomplish annual verification of all safeties and alarms to the satisfaction of the Chief Engineer and MSCREP.

7.11 Perform operational tests on all machinery in the presence of MSCREP and ABS.

7.12 Submit condition report detailing recommended repairs and final as-released condition report detailing all work performed. Submit condition report detailing recommended repairs and final as-released condition report detailing all work performed.

7.13 Manufacturer’s Representative:

7.13.1 Point of Contact For OEM Services:

Simone Scaffetti Technical Manager Fincantieri Marine Systems North America, Inc. 800-C Principal Court Chesapeake, VA 23320 Phone: (757) 548-6000 ext. 133 Cell: (757) 289-7269 Fax: 757) 540-6012

8.0 General Requirements: NONE

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