Updated_SO_20-005_TRT_SOW_SSDG_12K_10K_Service_Rev1.docx

USNS TRENTON (T-EPF 5)

ELECTRICAL SERVICE ORDER #20-005

12K and 10K SSDG MAINTENANCE SERVICE (Rev 1)

1.0 ABSTRACT

1.1 This item describes FMSNA technical support to perform the 12K (#1 and #2 SSDGs) and 10K (#3 and #4) maintenance services.

2.0 REFERENCES:

2.1 TM S9311-EV-MMC-010

2.2 MSC General Technical Requirements (GTRs)

2.3 IDIQ # N32205-14-D-2002 (renewal SOW)

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Generator Room 1 (2-32-1); Generator Room 2 (2-32-2)

4.0 GOVERNMENT FURNISHED MATERIAL/EQUIPMENT/SERVICE:

4.1 Replacement coolant, oil, water.

4.2 Refurbished cylinder heads twenty-four (24ea), pn# 00D00600C.

4.3 Intercoolers (new version) two (2ea), pn# 00I68200.

4.4 Oil Pan Gasket, pn# 347484-C013N4.

5.0 NOTES:

5.1 Performance Period: 03-28 January 2020

5.2 Location of Work: Mediterranean Sea AOR

5.3 PPE: Wayne Lefebvre, (757)274-8389, wayne.lefebvre@navy.mil

5.4 Ship’s force will tag-out each SSDG as required.

5.5 Contractor shall not operate ship’s equipment without a Crew member present.

5.6 Contact PPE for access requirements to the Shipyard.

6.0 QUALITY ASSURANCE REQUIREMENTS:

6.1 Contractor responsible for thoroughly cleaning areas affected or disturbed by maintenance.

6.2 Contractor shall perform all system pre-checks and operational checks with crew present.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Provide all qualified labor and materials to perform the periodic hour-based tasks below on four (4) V1312C2ME SSDGs.

7.2 Check in upon arrival with the Chief Engineer and discuss the status and all discrepancies affecting Generator operations.

7.3 Perform the following tasks IAW OEM approved maintenance plan:

7.3.1 Group C 500hr maintenance tasks IAW reference 2.1.

7.3.2 Group D 1000hr maintenance tasks per CLIN 0009 of the IDIQ SOW and reference 2.1. on #1, #2, #3 and #4 SSDGs.

· Check and adjust Valve Clearance on all cylinders (01D)

· Fuel filter cartridge replacement (02-D)

· Replace crankcase breather filter elements (05-K)

7.3.3 Group E 2000hr maintenance tasks per CLIN 0010 of the IDIQ SOW and reference 2.1 on #1, #2, #3 and #4 SSDGs.

· Oil Cooler cleaning (03-F), Fresh Water Cooler cleaning (04-J).

· Thermostatic valve inspection/ replacement (04-M).

· Check of crankshaft damper (01-F).

· Check of torsional flex coupling (09-D) #3 and #4 SSDGs.

· Check Turbocharger axial and radial clearance; check air flaps (05-C).

· Check and adjustment of pressure switches (08-D) and temperature switches (08E).

· Check Sea Water pump impeller (04-G) #3 and #4 SSDGs.

· Check Fresh Water pump impeller (04-I) #3 and #4 SSDGs.

· Clean Intercooler (05-E), or replace with GFM (if available).

· Replace the air filter cartridge (05-K).

· Check correct engine support screws tightening (09-A).

7.3.4 Group F 6000hr (12K) maintenance tasks per CLIN 0011 of the IDIQ SOW and reference 2.1 on #1 and #2 SSDGs.

· Cylinder Head removal and replacement with re-conditioned GFM cylinder heads (O1-I).

· Dimensional check of the Cylinder liners (01-O).

· Fresh Water Pump overhaul (04-P). Install two (2ea) contractor furnished Fresh Water Pumps (pn# 00B97600C).

· Sea Water Pump overhaul (04-Q). Replace with two (2ea) contractor furnished Salt Water Pumps (pn #00B28300).

· Air starters overhaul (06-A).

· Turbocharger overhaul (05-D).

· Fuel Injectors replacement (02-G). Contractor shall furnish twenty-four (24ea) new fuel injectors (pn# 00D30800). Turnover to Ship’s Force any old Injectors in good condition.

· Replace all of rubber elements (all sleeves, hoses, flex hoses, flex pipes and fittings)

· Replacement of torsional flexible coupling. Contractor shall furnish two (2ea) Elastic Couplings, (pn# 00D46800A).

7.4 Provide vessel with twenty (20ea) Walker Air Separator Filter kits (pn# JSHV013).

7.5 Provide one (1) head spacer, pn# 00D50200 for #1 SSDG.

7.6 Repair and/or correct the following issues on #3 SSDG:

7.6.1 Replace oil pan gasket (gasket onboard, GFM).

7.6.2 Investigate winding temperatures. Temperatures are higher than W and U. Crew examined wires on terminal strip; potentially bad RTD.

7.6.3 On LOP, very low LO pressure light remains illuminated. Pressure sensor replaced. Relief valve may need adjustment.

7.7 Furnish all required tools, materials, and test equipment to complete work.

7.8 Ensure rags and towels used are lint-free.

7.9 Sub-contract intercooler (2ea) and cooler cleanings and testing, with rigging assistance.

7.10 Ensure work areas are clean at the end of each workday and fully cleaned after completion of work.

7.11 Check out at the end of each day with the Port Engineer or his representative. An accounting of the day’s work will be required and recorded.

7.12 Perform 36-hour operational test of SSDGs with electrical load applied upon completion of all work in the presence of Chief Engineer or his representative.

7.13 Demonstrate all emergency/safety alarms, and shutdowns as required by ABS for regulatory requirements. Expectation is to demonstrate safeties after FMSNA Technicians complete all maintenance, approximately within the last 2-3 days of PoP.

7.14 MSC will ship all materials to work location. All materials shall be collected and ready for shipment no later than 04 December 2019. If it will be easier to ship OEM parts from manufacturer in Italy, discuss with PPE to coordinate shipments.

7.15 Upon completion of work, submit a comprehensive Service Report stating conditions found, parts used, parameters recorded, repairs carried out, and recommendations to the Port Engineer and Chief Engineer. Provide part numbers of any components identified requiring replacement.

8.0 GENERAL REQUIREMENTS: None additional.

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