SOW,_T-AKE2,_SO-18-002;_MDE_NO.__3,_12000_Hr._Servicing_and_Overhaul,_16....doc

USNS SACAGAWEA

(T-AKE 2)

MACHINERY, PROPULSION

Service Order SO-18-002

16 Oct 2017

ITEM NO. SO-18-002

Category “A”

MSC/N756/ADT

NO. 3 Main diesel engine 12,000 hr. ServicING and Overhaul

1.0 ABSTRACT

1.1 This item describes providing technical services for the No. 3 Main Diesel Engine (MDE) 12,000 hr. overhaul and turbocharger servicing.

2.0 REFERENCES:

2.1 T/M T9233-CF-IMC-010; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volume B1, Engine Operating Instructions. (Available Onboard)

2.2 T/M T9233-CF-IMC-020; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volume B2, Engine Working Instructions. (Available Onboard)

2.3 T/M T9233-CF-IMC-040; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volume B3, Spare Parts. (Available Onboard)

2.4 T/M T9233-CF-IMC-070; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volume E1-E4, Engine Operating Instructions. (Available Onboard)

2.5 T/M T9233-CF-IMC-030; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volumes C1, C2, C3, Turbocharger Operating and Working Instructions/Spare Parts Catalog (Available Onboard)

2.6 T/M T9233-CF-IMC-060; Diesel Engines, Main Power Generation, Models 9L 48/60 and 8L 48/60, Volumes B6, C6, Engine and Turbocharger Spare Parts and Tools(Available Onboard)

2.7 T-AKE Class Pre-underway Testing Requirements

3.0 ITEM LOCATION AND DESCRIPTION:

3.1 Location/Quantity/Contractor Supplied Material.

3.1.1 Location: Main Machinery Room 5-66-0

3.1.2 Quantity: One (1) MDE No. 3

3.2 Item Description/Manufacturer's Data:

-MAN B&W 9L 48/60 Diesel Engines (9 cylinder)

-Serial No. 939870R9L2 - MDE No. 3

3.2.1 Bill of Materials:

3.2.1.1 Contractor is to review this statement of work and provide any additional tooling, rigging and parts not provided as GFM.

4.0 GOVERNMENT FURNISHED EQUIPMENT/ MATERIALS/ SERVICES:

4.1 Complete 12,000 Hour Overhaul and Maintenance Kit for 9 cylinder MDE.

5.0 NOTES:

5.1 Contractor to provide a new 12K overhaul kit (p/n: M12701660) and ship to the following:

N32205 MSC W143 WAREHOUSE

1960 GILBERT ST., DWY 10

NORFOLK, VA 23511

(757) 897-2538

ATTN: TONY THOMPSON

FOR USNS SACAGAWEA -SHORE BASED SPARES

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 GTRs.

5.3 The contractor and all subcontractors regardless of tier are advised to review the other work items under this contract to determine their effect on the work required under this work item.

5.4 THIS SHIP CONTAINS HIGH VOLTAGE (HV) ELECTRICAL SYSTEMS. OBEY ALL POSTED AND VERBAL INSTRUCTIONS REGARDING SAFETY AND EXCLUSION FROM HIGH VOLTAGE AREAS. AT NO TIME APPROACH, WORK ON, OR ENTER A HIGH VOLTAGE AREA WITHOUT PROPER AUTHORIZATION.

5.5 THE T-AKE CLASS ELECTRICAL COLOR CODING DOES NOT FOLLOW CONSISTENT COLOR SCHEME. THE SHIP IS KNOWN TO HAVE CURRENT CARRYING CONDUCTORS COLORED GREEN, BLUE, BLACK, AND WHITE. ASSUME ALL ELECTRICAL CABLES ARE ENERGIZED UNTIL TESTED AND PROVEN OTHERWISE. TEST ALL ELECTICAL CABLES TO ENSURE THEY ARE DE-ENERGIZED PRIOR TO WORKING ON THE ITEM.

5.6 Performance Period: 27 Nov through 23 Dec 2017

5.7 Performance Location: Saipan, Northern Mariana Islands

5.8 Port Engineer Contact information:

Tony Thompson

Port Engineer

USNS SACAGAWEA (T-AKE 2)

757.443.0878 Office

757.439.6353 Cell

anthony.d.thompson2@navy.mil

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional.

7.0 STATEMENT OF WORK:

7.1 Provide the service of authorized MAN OEM reps and support personnel needed to perform the engine maintenance identified in the Statement of Work. The OEM Reps shall be Sr. Service Tech Reps experienced with MAN B&W 48/68 engines. All work shall be performed/overseen by authorized MAN OEM Reps.

7.2 Ship’s Force will provide special tools as required. OEM reps should provide additional tools to perform overhauls concurrently as required. OEM reps to provide a cylinder honing tool.

7.3 All maintenance shall be performed in accordance with OEM recommended practices and procedures.

7.4 Contractor will provide support to perform the following MDE maintenance items taken from reference 2.1 Chapter 4.7 maintenance schedule (12,000 hrs.) listed in Table 1:

Table 1

Main Diesel Engine No. 3

Remove, clean and check all components of the turbocharger. Check gaps and clearances on reassembly

7.4.1 Contractor shall facilitate the procurement of any additional parts required. Contractor will be compensated, via condition report for additional parts.

7.5 Cylinder Head:

7.5.1 Cylinder head to be refurbished in accordance with the OEM recommended practices and procedures. If cylinder head cannot be overhauled onsite, OEM will fabricate the shipping container for the cylinder head, crate cylinder head for shipping, and ship to a facility for overhaul, hydrostatic testing, ABS survey and return to vessel for reinstallation.

7.6 Turbocharger:

7.6.1 If turbocharger cannot be overhauled onsite, OEM will fabricate the shipping container for the turbocharger rotor assembly, crate turbocharger for shipping, and ship to a facility for overhaul and return to vessel for reinstallation.

7.6.2 All parts that are required to be IMO certified for IAPP shall be procured directly from the OEM to meet IMO requirements. These parts shall be noted and included in the service report.

7.7 Reports: Provide service report in pdf format. One copy of the report shall be turned over to the Chief Engineer. One copy of the report shall be turned over to the Port Engineer. The report shall contain the following as minimum:

· Engine operating hours and Serial No.

· Photographs of the engine condition at disassembly and any unusual conditions.

· Description of any abnormal or usual conditions found during maintenance.

· A positive statement indicating that each of the Table 1 maintenance items has been completed.

· Measurements taken and recorded for items in Table 1 shall be included in the report and compared with specified values listed in Reference 2.1 Operating Instructions. Both the specified value and the recorded value shall be listed in the report.

· Include comments on any defects found in arrangements for removals and lifting of engine components.

· Include a listing of any additional special tools found to be needed for successful maintenance on engine.

· Include a listing of all parts used during maintenance. The parts list shall include the Sub-Assembly Drawing No. and Part No.

· Include a listing of all parts included in the parts kit or ordered and not used. Items turned over to ship’s Force.

· Flexible coupling alignment measurements per the applicable work card and reference 2.4 Appendix C Alignment Log Sheet.

· Crankshaft Deflection readings per the applicable work card and reference 2.4 Appendix D Crankshaft Deflection Record Sheet.

· Main Bearing axial clearance.

· Main bearing lower cap condition on the one bearing per engine removed. Include photos.

· Big-End bearing shell condition on the one bearing per engine removed. Include photos

· Piston condition, piston removed and the disassembled piston. Include photos. Include axial clearance of the piston rings in the grooves.

· Cylinder liner dimensions per the applicable work card. One liner of the engine shall be recorded.

· Cylinder head conditions. One cylinder head.

· Inlet valve condition including valve rotators, and valve seats. Two inlet valves per cylinder.

· Exhaust valve condition including valve rotators, and valve seats. Two exhaust valves per cylinder.

· Include all start air valve tightness check results.

· Include injection pump and cam follower condition. One per engine is removed and disassembled. Measure and make note of the radial and axial play of the fuel pump drive cam follower rollers and compare against permitted value.

· Fuel injection valve condition, per check sheet.

7.7.1 ABS:

7.7.1.1 MSCREP will coordinate ABS support.

7.7.1.2 Upon completion of MDE reassembly, Contractor will demonstrate engine safeties for ABS with ship’s force.

7.7.2 Testing: Perform MDE testing IAW Reference 2.7; T-AKE Class Pre-underway Testing Requirements.

7.8 Preparation of Drawings: None additional.

7.9 Manufactures Rep:

7.9.1 Provide MAN OEM Technical Representative to perform this work item.

Point of Contacts For OEM Technical Services:

Adel Mousa

Applications & Project Manager

Motor Service Hugo Stamp, Inc.

954-763-3660 Off 954-648-6189 Cell 954-763-2872 Fax adel.mousa@mshs.com or Eric Ericson Fairbanks Morse Engine (FME)

630 Tidewater Drive

Norfolk, VA 23504

757-623-2711

800-322-7241

FAX 757-627-4570

Gregg Bellows Fairbanks Morse Engine (FME)

1545 Tidelands Ave

Suite J

National City, CA 91950 619-477-3218, Ext. 104 619-414-6996, Cell

619-477-3021, Fax Gregg.Bellows@FairbanksMorse.com

8.0 GENERAL REQUIREMENTS: None additional.

SO-18-002-1