SOW_Cylinder_Heads_Overhaul.pdf

USNS WALTER S DIEHL

(T-AO 193)

MACHINERY, PROPULSION XXXXX-19-R-XXXX

6-JUNE-2019

ITEM NO. 0502 CATEGORY “A” MSC/N756/DHB/TRB

BERGEN KVGB-16 CYLINDER HEAD OVERHAUL

0502-1

1.0 ABSTRACT:

1.1 This item describes the requirement for a Bergen OEM

authorized contractor to overhaul sixteen (16) Bergen KVGB-16 cylinder heads and prepare them for shipping.

2.0 REFERENCES:

2.1 NAVSEA Tech Manual, T9233-AN-MMC-010, Ship Service

Diesel Generator Engine, Model: KVGB-16

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Locations/Quantity

3.1.1 Location: Se-young Marine Industries

1-89, Cheonghak-dong, Youngdo-gu, Busan, Korea POC: Cheol-ho, Choi (Director)

+8210-4587-5445

3.1.2 Quantity: Sixteen (16) Bergen KVGB-16

Cylinder Heads.

3.2 Item Description/Manufacturer's Data: None

3.3 Bill of Material Contractor Furnished (CFM):

3.3.1 Contractor to provide all parts to overhaul

cylinder heads via submitting Condition Found Report

(CFR)

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: NONE

5.0 NOTES:

5.1 The contractor and all subcontractors, regardless of

tier, must consult the General Technical Requirements (GTR) to determine applicability to this work item.

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6-JUNE-2019

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5.2 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.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

7.0 STATEMENT OF WORK REQUIRED:

7.1 Transport to contractor’s facilities

7.2 Provide the services of the OEM technical service

representative(s) and OEM qualified diesel engine mechanics. Only OEM authorized or qualified representatives will be permitted to disassemble, inspect, and refurbish main diesel components.

7.3 Provide all tools and material required, including, but not limited to special tools, rags, degreaser, and lubricant for accomplishment of all elements of this work item.

7.4 Hydro test cylinder heads upon disassembly. Once

disassembled all parts will be inspected by OEM and MSC Rep for serviceability.

7.5 Inspect all valves and valve seats.

7.5.1 Clearance is to be checked to meet engine

specification.

7.5.2 Initially inspect with Penetrant Test (PT) all

valves and valve seats for damage. Submit CFR with results of tests. MSC Rep will witness all PT testing.

7.5.3 Check contact condition with valve spindle by

blue paste.

7.5.4 Lap contact surface of cylinder liner.

7.5.5 Grind valves and valve seats to ensure proper

seating.

7.5.6 Re-inspection with PT after grinding

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6-JUNE-2019

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7.5.7 Clearance is to be checked to meet engine

specification.

7.5.8 Upon completion of refurbishment and

inspection by MSCREP, crate cylinder heads in crates and ship back to MSCO Korea.

7.6 Final Report:

7.6.1 Provide a detailed trip report identifying all

findings, repairs, recommendations and final results in a PDF format to the Chief Engineer, MSCREP and ABS Surveyor.

7.7 Manufacturer’s Representative:

7.7.1 Provide the services of authorized OEM

representatives for Bergen KVGB-16 diesel engines.

8.0 GENERAL REQUIREMENTS: None Additional