0540_A_No1_Mooring_Capstan_Leak_Repair.doc

USNS CARL BRASHEAR

(T-AKE 7)

20 NOVEMBER 2018

No 1 MOORING CAPSTAN LEAK REPAIR

1.0 ABSTRACT:

This work item describes the requirement for certified TTS Marine Service Technicians disassemble and inspect the No 1 Mooring Capstan for leaks and install new gasket.

2.0 REFERENCE:

2.1 Tech Manual T9582-A4-MMC-010, CAPSTANS, LINE HANDLING, ELECTRICALLY DEIVEN MODEL 2314A-000

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location: 01-36-1

3.2 Item Description/Manufacturer’s Data: HATLAPA UETERSENER MASCHINEFABRIK Model 316291, Serial # R73292.

3.2.1 Bill of Materials Contractor Furnished:

a. Gasket P/N 2314A-000-15 (Manufacturer PN 002816)

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

None

5.0 NOTES:

5.1 This ship contains High Voltage (HV) electrical systems. The contractor and subcontractors shall obey all posted and verbal instructions regarding safety and exclusion from High Voltage areas. At no time shall a contractor or subcontractor approach, work on, or enter a High Voltage area with out proper authorization.

5.2 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. THE CONTRACTOR SHALL ASSUME ALL ELECTRICAL CABLES ARE ENERGIZED UNTIL TESTED OTHERWISE. THE CONTRACTOR SHALL TEST ALL ELECTRICAL CABLES TO ENSURE THEY ARE DE-ENERGIZED PRIOR TO WORKING ON THE ITEM.

6.0 QUALITY ASSURANCE REQUIREMENTS: No leaks.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Isolate and tag out the system. Drain the associated piping and dispose of all liquids in accordance with federal, state, and local regulations.

7.2 Mechanical:

7.2.1 TTS shall inspect via dis-assembling the capstan. Repair any damage that can be repaired on the spot.

7.2.2 Provide all rigging support to adequately remove Capstan for disassembly and repair.

7.2.3 Provide the services of machinists to assist with disassembly and provide in place machining if required.

7.2.4 Inspecting all sealing surfaces, mating surfaces, machined surfaces. Provide condition found report for as found disassembled condition. Perform inspection with MSCREP for conditions found.

7.2.5 If visual inspections do not denote cause of damage or leaking; reassemble capstan and reinstall with new gasket and sealant if applicable by OEM. Clean all mating surfaces. Chase all threads and holes, ensure all machined surfaces are true and without score/gouges.

7.2.6 Refill with new lubricant/transmission oil as required.

7.3 Electrical:

7.3.1 Provide electrician to disconnect and reconnect motor, per ref 2.1

7.4 Electronics: None additional.

7.5 Preparation of Drawings / Documentation: None.

7.6 Inspection / Testing:

7.6.1 Perform operational testing in the presence of the 1st Engineer and Ships Electronics Technician to demonstrate satisfactory operability.

7.7 Painting: None additional.

7.8 Marking: None additional.

7.9 Manufacturer’s Representative

7.9.1 Provide a qualified TTS Marine (Field Technicians familiar with the operation and repair of the Electric Drive Mooring Capstan Assembly.

Charles L. Jowers

TTS Marine Inc.

Service Manager, Marine & Offshore

337-277-1769

E-mail: chuck.jowers@ttsgroup.com 8.0

GENERAL REQUIREMENTS:

8.1 The contractor shall provide all labor, special tools, and material to accomplish this specification work item.

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