0208_A_VULKAN_COUPLINGS_LINK_STABILIZER_INSTALL.pdf

USNS MEDGAR EVERS

(T-AKE 13)

MACHINERY, PROPULSION N32205-XX-X-XXXX

01 March 2018 ITEM NO. 208 Category “A” N756/CSI/JAF

VULKAN COUPLINGS LINK STABILIZER INSTALL

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1.0 ABSTRACT:

1.1 This item describes the requirement for performing

inspection of four Main Diesel Generator (MDG) Couplings and one Emergency Diesel Generator (EDG) Flexible Couplings, check alignment, recognize problems on components/systems, and ensure/restore operational reliability. Also, to include the installation of the coupling stabilizers for each MDG Coupling.

2.0 REFERENCES:

2.1 Technical Manual, Vulkan Coupling, Tech Doc

DOKU1G531W0013E

2.2 Technical Manual T9233-CF-1MC-070; Diesel Engines, Main Power Generation, Model 9L 48/60 and 8L 48/60, Volume E1-E4 for Main Diesels

2.3 T-AKE Class Notice 015 – Main Diesel Generator

Couplings

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location/Quantity:

3.1.1 Location:

a. Main Machinery Room (5-66-0)

b. Emergency Diesel Generator Room (02-70-0)

3.1.2 Quantity:

a. Four (4) ea Main Diesel Engines

b. One (1) ea Emergency Diesel Generator

3.2 Item Description/Manufacturer’s Data:

3.2.1 Refer to References.

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4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1 Government Furnished Equipment:

4.1.1 QTY: 4 (EA), LF-171, VULKAN Stabilizer Link Kits

4.2 Government Furnished Material: None

4.3 Government Furnished Services: None

4.4 Government Furnished Information: 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. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTRs.

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.

5.3 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.

5.4 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 ELECTRICAL CABLES TO ENSURE THEY

ARE DE-ENERGIZED PRIOR TO WORKING ON THE ITEM.

6.0 QUALITY ASSURANCE REQUIREMENTS:

6.1 The requirements of this Work Item shall be

accomplished to the satisfactory of the MSC Representative and/or the Chief Engineer.

6.2 The requirements of this Work Item shall be

accomplished in accordance with current Regulatory Body Rules and regulations.

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6.3 Government will furnish ABS Surveyor attendance.

Contractor is responsible for coordinating any or all onsite visits required for ABS representative to witness testing and inspections.

7.0 STATEMENT OF WORK REQUIRED:

7.1 Tag-Out all required systems and equipment.

7.2 Provide the services of a certified VULKAN Field

Technical Representative to inspect all four MDG couplings and one EDG Flexible coupling using References 2.1, 2.2, 2.3, and work card 000.09 as guidance.

7.3 VULKAN Tech to install the GFM coupling stabilizers

for each of the 4 MDG Couplings identified in 4.1.

7.3.1 This is a VULKAN MOD that they are installing.

7.4 Provide two, first class mechanic, outside machinists

to support the VULKAN Tech in the installation of the Stabilzers Installation.

7.4.1 For estimating purposes, approximately 2 MDG

couplings completed each day for a total of 2 days.

7.5 Ensure that all fasteners are bagged, tagged, and

labeled for reuse. Inspect all fasteners prior to reuse.

7.6 Visual Inspections:

7.6.1 Clean all surfaces of the Flexible Coupling

prior to performing visual inspections.

7.6.2 Perform Visual Inspection of the rubber

elements for any defects such as cracks.

7.6.3 Perform Visual Inspection of all accessible

membrane and ring parts.

7.7 Torque Checks:

7.7.1 All instruments/tools that require calibration

shall have a current calibration label affixed to it.

7.7.2 Check coupling bolt torques to OEM

specification and verify no loose bolts.

7.7.3 Perform hydraulic torque checks on slewing ring

bolts, indicating 20% of the total bolts.

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7.7.4 Ensure segments are installed in the proper

orientation and fasteners are installed in the correct location and torque.

7.7.5 Connecting Link Fasteners:

a. Validate that the Flexible Coupling Connection link torque meets the OEM specification.

b. Torque shall be witnessed by MSCREP and documented. Provide data to the MSCREP via Condition Report.

7.8 Alignment Check:

7.8.1 Perform generator to engine alignment checks

with laser alignment tool using Reference 2.1 as guidance.

7.9 Preparation of drawings/report:

7.9.1 Provide a final detailed condition report

detailing at a minimum, conditions found, work accomplished, parts replaced, alignment measurements, torque, pictures, and any recommendations to the MSCREP. Report shall be hard copy and electronic PDF format.

7.10 Manufacturer’s Representative:

7.10.1 Provide the services of a certified VULKAN

Field Technical Representative to observe all inspections and oversee the re-torque of all connecting link fasteners.

7.10.2 Source:

a. American Vulkan Corporation 2525 Dundee Road Winter haven, FL 33884 Phone: 863-324-2424 Fax: 863-324-4008 Email: vulkanusa@vulkanusa.com

8.0 GENERAL REQUIREMENTS: None additional.