SOW.docx

WORK ITEM 001 – ENGINE CRANKCASE AND CRANKSHAFT RECONDITIONING

S/N 528101458

1. SCOPE

1.1 The Contractor shall provide reworked/remanufactured engine components as specified herein.

1.2 All work shall be conducted according to manufacturer’s instructions, tolerances, and requirements. Contractor performing work must be authorized to do so by Original Equipment Manufacturer (OEM) for this specific engine series.

1.3 Commercial shipping standards are acceptable. Government shall ship to/from vendor location.

2. REFERENCES

3. REQUIREMENTS

3.1 CLIN-001: CRANKCASE (P/N X59601100004) CYLINDER LINER BORE

3.1.1. The government shall provide one (01) 20V4000M93L crankcase. The crankcase will be in a condition that allows for standard machining and repair. If, upon receipt and inspection, there is additional damage or wear beyond this condition, the Contractor shall submit a Condition Found Report (CFR) to Government stating the additional work required and recommend the activation of optional CLINS under this contract or provide the associated costs because of the actual condition upon receipt.

3.1.2. The contractor shall provide one (01) reworked / remanufactured crankcase. At minimum, remanufacture work shall include:

3.1.2.1. Hot tank clean (as required by manufacturer’s technical standards) prior to commencement of work

3.1.2.2. Machine cylinder bores to stage 1. Contractor shall select a methodology that does not require manual repositioning of boring mechanism or crankcase. Instead, utilize a single, stationary baseline / reference plane. Install repair sleeves if needed. Install stage 1 cylinder o-ring style liners. Install soft plugs and appropriately sized camshaft bearings.

3.1.2.3. Final cleaning (as required by manufacturer’s technical standards).

3.2 CLIN-002: CRANKCASE DECK MACHINING

3.2.1. IF AUTHORIZED BY CONTRACTING OFFICER, Contractor shall re-surface and machine crankcase surfaces, as necessary, to return surfaces to manufacturer’s technical standards and ensure an acceptable sealing surface for cylinder head installation.

3.2.2. If existing defects/voids prevent re-surfacing without spray weld repairs, conduct spray weld repairs prior to re-surfacing, as required, and in accordance with manufacturer’s technical standards.

3.3 CLIN-003: CRANKLINE BORE

3.3.1. IF AUTHORIZED BY CONTRACTING OFFICER, Contractor shall machine crank line bore of crankcase provided under CLIN-001 to restore crank line to manufacturer’s requirements.

3.4 CLIN-004: CRANKSHAFT (P/N X59603100002) CONDITIONING

3.4.1. The Government shall provide one (01) crankshaft. The crankshaft will be in a condition that allows for standard machining and repair. If, upon receipt and inspection, there is additional damage or wear beyond this condition, the Contractor shall submit a Condition Found Report (CFR) to the Government stating the additional work required and the associated costs.

3.4.2. The Contractor shall provide one (01) reworked/remanufactured 20V4000M93L crankshaft. At minimum, remanufacture work shall include:

3.4.2.1. Removal of counterweights

3.4.2.2. Hot tank clean (as required by manufacturer’s technical standards)

3.4.2.3. Provide results of magnetic and visual inspection of crankshaft and counterweights

3.4.2.4. Polish crankshaft

3.4.2.5. Install counterweights

3.4.2.6. Thoroughly flush oil passages

3.4.2.7. Renew all galley oil plugs (P/N 5240310733)

3.4.2.8. Provide and install new crankshaft gear (P/N X00015817 OR P/N X54903100012)

3.4.3. The contractor shall perform any upgrades and/or enhancements applicable to crankshaft since date of manufacture.

3.5 CLIN-005: CRANKSHAFT (P/N X59603100002) GRINDING

3.5.1 If deemed necessary by inspections conducted during CLIN-004 of this Specification, and IF AUTHORIZED BY CONTRACTING OFFICER, the Contractor shall grind crankshaft to appropriate stage.

3.6 CLIN-006: REQUIRED COMPONENTS

3.6.1 Contractor shall provide required size and quantity of the following parts, considering work completed under this contract, to facilitate Government installation of crankshaft into crank case:

· Crankshaft Bearing, Upper

· Crankshaft Bearing, Lower

· CONROD Bearing, Upper Half

· CONROD Bearing, Lower Half

4. GENERAL INFORMATION

4.1 PERIOD OF PERFORMANCE – All material related to authorized CLINs shall be prepared for return shipment within four (04) weeks of receipt at Contractor’s facility. If unforeseen circumstances or material lead times cannot allow for completion within this timeframe, the Contractor shall promptly advise the Coast Guard Personnel listed as Points of Contact.

4.2 Point of Contact:

4.2.1 Contracting Officer, per purchase order

4.2.2 LCDR Marie De Visser, Project Manager, marie.c.devisser@uscg.mil, 914-406-5062

4.2.3 Mr. Walt Skowrunski, Shop Supervisor, walter.m.skowrunski@uscg.mil