1008_A_A-arm Replacement.doc

USNS KAISER

T-AO 187

UNREP EQUIPMENT

N32205-20-R-4066

MAY 2020

ITEM NO. 1008

CATEGORY "A"

NSWCPHD/GAR

Highline/Spanwire Lead Angle Compensator A-Arm Replacement

1.0 ABSTRACT:

1.1 This item describes the Lead Angle Compensator A-Arm replacement of Single Drum and Double Drum Navy Standard Winches, removal of compensator, the inner compensator support repair and weight test.

2.0 REFERENCES:

2.1 NAVSEA DWG 5210545, Standard Painting Procedures for UNREP Equipment

2.2 NAVSEA Technical Manual Sg813-AW-MMA-010 TECHNICAL MANUAL DESCRIPTION, OPERATION, AND MAINTENANCE INSTRUCTION,WITH PARTS LIST WINCH,ELECTRIC HYDRAULIC,SINGLE DRUM MK 2 MODS 1-4, 6, 7, AND 9

2.3 NAVSEA Technical Manual SG813-AX-MMA-010_Rev 02_ WINCH, ELECTRIC HYDRAULIC, DOUBLE DRUM, MK 3 MODS 1-8, 11-14 AND 17

2.4 NAVSEA DWG 5210253 Rev B Support, Compensator, Outer

2.5 NAVSEA DWG 5210113 Winch Assembly, Single Drum

2.6 NAVSEA DWG 5210113 Winch Assembly, Double Drum

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location/Quantity:

3.1.1 Location: 01-24-2, 01-34-1, 02-42-1, 02-42-1, 01-49-2, 01-55-1 and 01-55-2-

3.1.2 Quantity:

3.1.2.1 Sta 1 RH outer

3.1.2.2 Sta 2 RH outer

3.1.2.3 Sta 3RH outer

3.1.2.4 Sta 3 LH inner

3.1.2.5 Sta 4 RH outer

3.1.2.6 Sta 4 LH inner

3.1.2.7 Sta 6 RH outer

3.1.2.8 Sta 7 RH outer

3.1.2.9 Sta 8 RH outer

3.2 Item Description/Manufacturer’s Data: WINCH, ELECTRIC HYDRAULIC, ___ DRUM

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES:

4.1 Government Furnished Equipment (GFE): None

4.2 Government Furnished Material (GFM):

4.2.1 Qty-6 PN 5210266-1 Support, Compensator, Outer

4.2.2 Qty-2 PN 5210266-2 Support, Compensator, Inner

4.2.3 Qty-1 PN 5210254 Support, Compensator, Inner

4.3 Government Furnished Services (GFS):

4.3.1 Port Hueneme Division, Naval Surface Warfare Center, Unrep Department Representative

5.0 NOTES:

5.2 The contractor and all subcontractors, regardless of tier, must consult the General Technical Requirements (GTRs) to determine applicability to this work item. In performance of this work item, the contractor and subcontractors regardless of tier must comply with the requirements of all applicable GTRs, including but not limited to GTRs 1 through 7, 22, 23, 24, 27, 28 and 29.

5.3 The contractor and all subcontractors, regardless of tier, are advised to review other work items under this contract to determine their effect on the work required under this work item.

5.4 Contractor furnished material (CFM) list:

Parts listed below are for one compensator. Look at the remarks for what size compensator.

NUT, SLFLKG, CD PL STL

1-1/2-6UNC-3B

ON 7/8 AND 1IN.

COMP ONLY

SCREW, HEX HD CAP, GR 5

1-1/2-6UNC-2A

SCREW, HEX HD CAP, GR 5

1-1/2-6UNC-2A X 3-1/2

ON 3/4 IN. COMP

SCREW, HEX HD CAP, GR 5

1-1/2-6UNC-2A X 3 IN. L

NUT, SLFLKG, CD PL STL

3/4-10UNC-3B

On ¾ in. Comp

SCREW, HEX HD CAP, GR 8

3/4-10UNC-2A X 3-1/4 IN.

On ¾ in. Comp

Piece No.46

PIN, GRVD, HDLS CRES 3/16

X 1 IN. L

All Comp

All Comp

WASHER, FLAT, CRES 17/32

NOM

All Comp

SPRING, LOCK PIN (SPEC

CONT)

All Comp

NUT, SLFLKG, CD PL STL

5/8-11UNC-3B

All Comp

SCREW, HEX HD CAP, GR 5

5/8-11UNC-2A X 2-1/4 IN.

All Comp

NUT, SLFLKG, CD PL STL

3/4-10UNC-3B

SCREW, HEX HD CAP, GR 8

3/4-10UNC-2A X 3 IN. L

PIN, STR, HDLS CRES 0.375

DIA X 1-1/2 IN. L

MS9390-730

Piece No.124

NOTE: The shipyard will be responsible for the oversight of shipyard and sub-contractor personnel accomplishing the work item and the scheduling of checkpoints for Port Hueneme reps technical concurrence.

6.0 QUALITY ASSURANCE REQUIREMENTS: None additional

7.0 STATEMENT OF WORK REQUIRED:

7.1 Arrangement/Outfitting:

7.1.1 PRIOR TO ANY REPAIR ACTIVITY, perform operational test under Port Hueneme supervision. Schedule and perform system Op-test to be witnessed by representative from repair facility or involved subcontractor electrical and mechanical departments and Port Hueneme representative.

7.1.2 Ensure ram is in full down position. Close and secure ram HP air isolation root valve. Relieve all pressure from accumulator by opening the air vent valve and ram bleed off valve.

7.1.3 Contractor to remove Highline/Spanwire wire cargo whip and place in a suitable container for storage off ship until completion of item. Install suitable line as rigged to facilitate reinstallation.

7.1.4 Upon completion of work item, the contractor will reinstall the Highline/Spanwire/Cargo wire onto the winch drum, ensuring that Mobil Arma 798 grease is applied during reinstallation.

7.2 Structural:

7.2.1 PRIOR TO ANY REPAIR ACTIVITY, perform operational test under Port Hueneme supervision.

7.2.2 On each winch mark parent location and remove the Lead angle compensator and store in a clean dry place. Mark parent location and remove A-frame and inner Compensator support.

7.2.3 After A-arm pedestal removed, clad weld horizontal shear pin slots, and machine flush on each winch pedestal foot.

7.2.4 Each replacement A-Arm pedestal assembly will require unique alignment at each winch location.

7.2.5 Installation of this arm on to the winch base support is shown on references 2.4 and 2.5 sheet 7, section 4/5-C. The holes for the eight vertical bolts connecting the compensator support arm (A arm) to the base are drilled (.81 dia) after the two parts are clamped together (note 17.8.4 on sheet 21).

7.2.6 After this is done, bolts are inserted and torqued. When these two parts are properly bolted together, the two horizontal pin holes (.499/.500 dia) are drilled (note 17.8.4.3) in accordance with references 2.5 and 2.6 and reviewed by Port Hueneme representative.

7.2.7 Upon installation of pedestal to winch frame, weld engagement and disengagement tabs to the A-Arm pedestal and drill holes to allow pinning of the winch clutch handle in the engaged and disengaged positions.

7.3 Mechanical/Fluids:

7.3.1 PRIOR TO ANY REPAIR ACTIVITY, perform operational test under Port Hueneme supervision.

7.3.2 Under Port Hueneme supervision: Remove Lead Angle Compensator, and compensator bolts from A-arm, Lead Angle Compensator weight approximately 1,300 pounds.

7.3.3 Remove A-arm foundation and inner compensator support bolts. Remove the A-arm and inner compensator supports.

7.3.4 Install newly fabricated GFM A-arm, using all new hardware listed in reference 5.3

7.4 Electrical:

7.4.1 Tag out designated station. De-energize Highline/Spanwire winch, Highline/Spanwire winch circuit breaker and tag "Out of Service”.

7.5 Electronics: None additional

7.6 Preparation of Drawings/Documentation: None additional

7.7 Inspection/Test:

NOTE: ON SPANWIRE WINCH WITH ¾ INCH WIRE (LIGHT Spanwire winch) The ASD side plates will have to be adjusted to accept the 7/8 in wire and readjusted after the weight test for the original ¾ in. wire. Dunnage will need to be use to protect the Spanwire winch.

7.7.1 Shipyard will provide and install and remove test wire. For Highline winch on highline side install 1’ wire test wire and conduct a static weight test of 50,000 pound for ten minutes.

7.7.2 For the Highline winch cargo side provide, install, and remove ¾-inch test wire. Conduct a static weight test of 22,000 pound for ten minutes.

7.7.3 For a Spanwire winch provide, install, and remove 7/8 inch test wire. Conduct a static weight test of 36,000 pound for ten minutes.

7.7.4 Port Hueneme Representative will conduct operational test.

7.8 Painting:

7.8.1 Prepare, prime and paint all new and disturbed surfaces to match surrounding areas in accordance with Reference 2.1.

7.9 Marking: None additional

7.10 Manufacturer’s Representative: None

8.0 GENERAL REQUIREMENTS: None additional

1008-7