WI_12330_Engine_Overhaul_Rev._2.pdf

NOAA SHIP RONALD H. BROWN

(R-104)

14 July 2017

ITEM NO. 12330 BASIC ITEM MED/JAL

DIESEL ENGINE OVERHAUL

12330-1 l.0 ABSTRACT

1.1 This item describes the 10,000 hour (Topend) overhaul of the #4 diesel engine.

2.0 REFERENCES

2.1 NOAA Specification “Overhaul of Caterpillar 3500 Series Diesel Engines”

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location: Generator Room

3.2 Description:

3.2.1 No. 4 Diesel Generator:

CAT 3508, S/N 23Z05685

KATO Generator, 750 KW

4.0GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1 Government Furnished Material: Engine Lube Oil and Jacket Water

4.2 Government Furnished Services: The Government will be providing the services for ABS surveys and inspections.

5.0 NOTES:

5.1 The contractor and all subcontractors, regardless of tier must consult the General Requirements contained in Work Item 10420 to determine applicability to this work item. Many of the definitions relating to performance of this work item are found in the General Requirements. In the performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements.

5.2 The Contractor shall comply with all requirements of the vessel’s equipment tag out program prior starting work.

5.3 Prior to the start of work, the Contractor shall contact the Chief Engineer to coordinate the implementation of the Tag Out Program for the entire performance period of this item. The Prime Contractor shall be responsible for compliance by both prime and subcontractor personnel.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

NOAA SHIP RONALD H. BROWN

(R-104)

14 July 2017

ITEM NO. 12330 BASIC ITEM MED/JAL

DIESEL ENGINE OVERHAUL

12330-2

7.0 STATEMENT OF WORK REQUIRED

7.1 Not Used.

7.2 Accomplish a 10,000 hour “Top End” overhaul of the #4 Ship Service Diesel Generator in accordance with Reference 2.1 with the following exceptions and changes.

7.2.1 The Government will drain the engine of lube oil and

jacket water prior to commencement of the overhaul. Lube oil will be drained to the waste oil tank.

7.2.2 The Government will provide and install new lube oil, jacket water, and jacket water treatment.

7.3 Remove the governor from the engine and send to an authorized Woodward Governor repair facility for overhaul. The governor is a Woodward EGB-10P, S/N 22543860/61.

7.3.1 Overhaul is to include complete disassembly, inspection, and bench testing, painting and calibration after repairs. The following parts are to be renewed:

7.3.1.1 All o-rings, seals, gaskets

7.3.1.2 All bearings, bushings.

7.3.1.3 Drive Shaft

7.3.1.4 Oil cup

7.3.1.5 Integral cooler (overhaul kit)

7.3.1.6 PV Plunger and bushing

7.3.1.7 Dial (EGB13 overhaul kit)

7.3.1.8 Provide condition report with estimate for

additional parts required upon disassembly.

7.3.1.9 Reassemble and bench test in accordance with

manufacturer’s requirements.

7.3.1.10 Reinstall on engine. Make all adjustments for

normal engine operation.

7.3.1.11 Provide the services of an authorized Woodward

Technician during dock trials to set and calibrate the overhauled governor and the 2301A Governor controller located in the switchboard.

7.4 Temporarily remove the existing thermostatic control valves, AMOT Model B, for this engine. Renew all thermostats, seals, O Rings and gaskets for the unit. Reinstall with new piping gaskets.

7.5 Note that Reference 2.1.2 Paragraph 3.4.4 contains a requirement for an underway sea trial. For estimating purposes assume this will be 10 hour sea trial departing and returning to the contractor’s facility.

END OF SPECIFICATION