Attachment_J-6_Preservation_and_Lay-Up.doc

LCAC SLEP

N00024-18-R-2400

ATTACHMENT J-6

PRESERVATION AND LAY-UP OF

LCAC CRAFT

AT THE CONTRACTOR’S FACILITY

29 March 2018 DISTRIBUTION STATEMENT D: Distribution authorized to the DoD and U.S. DoD Contractors only (Administrative or Operational Use)(27 March 2018). Other requests for this document shall be referred to PEO SHIPS, PMS377, Washington Navy Yard, 1333 Isaac Hull Ave. SE, Washington, DC 20376-2101.

1.0 General.

a. This Statement of Work (SOW) covers the essential elements applicable to the preservation and lay-up of LCAC craft undergoing Service Life Extension Program (SLEP) Upgrade and is applicable to:

(1) Craft received by the Contractor for the LCAC SLEP upgrade at the Contractor’s Facility, (see paragraphs 2.0, 3.0, and 4.0) and

(2) Craft completing LCAC SLEP upgrade at the Contractor’s Facility and awaiting transportation to Assault Craft Unit Five (see paragraph 5.0).

b. This specific SOW does not include any refurbishment / re‑conditioning of equipment and components.

2.0 Upon Arrival at the Contractor’s Facility

a. The LCACs applicable to this SOW will be provided by the Government to Contractor as described in Section C of this contract. Following arrival of the craft at the Contractor’s Facility, the Contractor shall perform a complete post‑mission wash‑down of each craft with fresh water in accordance with the post-mission requirements listed in LCAC SEAOPS Mission Preparation Checklists Manual S9LCA-AA-SSM-090 Rev 9 dated 01 March 2017.

b. Craft and contents, including any components removed and stored separately, shall be cleaned and dried so as to be free of moisture, sand, salt or other foreign matter which could cause deterioration or interfere with subsequent repair, refurbishment, or reassembly. All removed components shall be stored in a manner so as to minimize deterioration and avoid damage.

3.0 Preservation and Lay-up Prior to Induction

a. TF40B Gas Turbine Engines

(1) Within 15 days of receipt of the craft, the Contractor shall operate each TF40B engine on the craft and accomplish cleaning and preservation in accordance with the following Planned Maintenance System (PMS) Maintenance Index Page (MIP) Maintenance Requirement Cards (MRCs):

(a) MIP 2341 MRC 97 8BHJ N – Detergent Wash Engine and Perform Engine Rinse. The requirements in MIP 2341 MRC 97 8BHJ N to Perform “Recording Performance Data” Procedures, Perform Standard Performance Test (SPT), and Process LPAS Report are waived.

(b) MIP 2341 MRC 16 8BHK N – Preserve Engine Compressor

(2) The Contractor shall update WEBLOG to show custody transfer and completion of PMS.

(3) If necessary, following final TF40B operation, the Contractor shall remove and clean all combustion air inlet system filters and accomplish a washdown and cleanout of the TF40B filter bays. All potential FOD entry points to the TF40B shall have protective covers installed.

b. T-62 APU Gas Turbine Engines

(1) Accomplish T-62 APU cleaning and preservation in accordance with the following MRC and Technical Manual procedures:

(a) MIP 3113 MRC 16 6XDN N Detergent Wash Engine and Perform Engine Rinse.

(b) Lay-up T-62 APU engines in accordance with Technical Manual S9311-A3-MMA-010 Rev 11 dated 23 SEP 2013, Paragraph 8-5. T-62 APU lay-up shall occur in conjunction with TF40B engine lay-up.

(2) If necessary, following final APU operation, the Contractor shall accomplish a washdown and cleanout of all APU inlet air ducting. All potential FOD entry points to the APU shall have protective covers installed.

(3) The Contractor shall update WEBLOG records by serial number to show the maintenance has been performed on respective engines.

c. Gearboxes

In accordance with paragraph 8-6.2 of Technical Manuals S9240-AA-TML-050 Rev 0 dated 15 DEC 2015, S9240-AA-TML-077 Rev 0 dated 30 JUL 2016, S9240-AA-TML-086 Rev 1 dated 1 AUG 2016, and S9240-AA-TML-087 Rev 1 dated 1 AUG 2016, the Contractor shall fill and keep gearboxes filled with MIL-PRF-23699 oil following final TF40B engine operation as necessary. This requirement is waived if gearboxes will be removed from craft within 15 days of final TF40B engine operation.

d. Halon System

The Contractor shall protect all HALON bottles from accidental discharge, both electrically and mechanically.

e. Bow Thrusters

Utilizing guidance provided in Technical Manuals S9568-AL-TML-050 Rev 0 dated 15 APR 2016, S9568-AL-TML-077 Rev 0 dated 30 JUL 2016, S9568-AL-TML-086 Rev 0 dated 1 AUG 2015, and S9568-AL-TML-087 Rev 0 dated 1 AUG 2015, the Contractor shall accomplish the following:

(1) Add 20 ounces of grease to bow thruster bearings prior to rotating each bow thruster 360 degrees, several times, in each direction.

(2) Remove tension from bow thruster v-belts.

(3) Clean and protect bow thruster assembly external surfaces.

f. Lift Fan Assemblies

Utilizing guidance provided in Technical Manuals S9248-AA-TML-050 Rev 1 dated 1 AUG 2016, S9248-AA-TML-077 Rev 0 dated 30 JUL 2016, S9248-AA-TML-086 Rev 1 dated 1 AUG 2016, and S9248-AA-TML-087 Rev 1 dated 1 AUG 2016, the Contractor shall clean and protect the exposed external surfaces of lift fan bearing housing assemblies.

4.0 During the SLEP Availability

a. Halon System

Prior to return to service, the squib cartridge shall be inspected and replaced in accordance with LCAC Advisory 02-03 dated 28 FEB 2003. MK 272 Mod 0 cartridges shall be reinstalled on SLEP LCAC.

b. T-62 APUs

(1) The Contractor shall use the following procedure to start-up T-62 APU engines following lay-up. Refer to Figure 6-5 of APU Technical Manual S9311-A3-MMA-010 Rev 11 dated 23 SEP 2013 to facilitate accomplishment of this procedure.

(a) Fill APU gearbox in accordance with paragraph 6-9 of Technical Manuals S9200-A6-TMM-050 Rev 0, S9200-A6-TMM-077 Rev 0, S9200-A6-TMM-086 Rev 0, and S9200-A6-TMM-087 Rev 0.

(b) Remove caps from fuel supply-line and APU fuel filter (94) and connect fuel supply line to APU fuel filter.

(c) Disconnect low voltage electrical connector at ignition exciter (19).

(d) Remove air inlet screen safety cover 953998C1 and warning tag from APU.

(e) Disconnect start fuel tube assembly (70) at start nozzle fitting (84).

(f) Disconnect main fuel tube assembly (55) at fuel manifold (72).

(g) Connect suitable drain lines to start fuel tube (70) and main fuel tube assemblies (55). Place open end of tubes in suitable waste fuel container.

(h) Energize craft fuel pump that provides fuel to APU.

(i) Set MASTER switch for APU to ON. Set START-STOP-RUN switch momentarily to START, release to RUN. Check for flow from the drain lines and make certain fuel flow is free of oil and air. After 15 seconds set START-STOP-RUN switch to STOP.

(j) Set MASTER switch to OFF.

(k) Connect start fuel tube assembly (70) at start nozzle fitting (84).

(l) Connect main fuel tube assembly (55) at fuel manifold (72).

(m) Connect low voltage electrical connector to exciter (19). Lockwire using MS20995C32 wire.

(n) Set MASTER switch for APU to ON. Set START-STOP-RUN switch momentarily to START, release to RUN. Check APU for fuel, oil and all leaks as APU operates.

c. Gearboxes

If gearboxes were filled with oil, then the Contractor shall open the oil drain port on each gearbox and drain preservative oil prior to engine start-up.

5.0 Post-SLEP

a. Following successful completion of INSURV and correction of all Contractor responsible trial cards of the SLEP LCAC at the Contractor’s Facility, the Contractor shall secure craft systems, equipment, and components and perform a complete post‑mission wash‑down of each craft with fresh water all in accordance post-mission requirements listed in LCAC SEAOPS Mission Preparation Checklists SLEP Manual S9LCA-AA-SLP-090 Rev 8 dated 01 March 2017.

b. In addition to 5.0 (a) above, the Contractor shall perform the following:

(1) Craft waiting period until shipping date as specified in Section E of less than 15 days.

The Contractor shall protect the craft and craft components from adverse environmental exposure and damage, including that caused by nearby operating LCAC craft and the Contractor’s machinery and ground equipment.

(2) Craft waiting period until shipping date as specified in Section E of 15 days or more.

(a) The Contractor shall protect the craft and craft components from adverse environmental exposure and damage, including that caused by nearby operating LCAC craft and Contractor Facility machinery and ground equipment.

(b) ETF40B Gas Turbine Engines. The Contractor shall perform the following PMS:

1. MIP 2341 MRC 97 E4ST N – Detergent Wash Engine and Perform Engine Rinse. The requirements in MIP 2341 MRC 97 E4ST N to Perform “Recording Performance Data” Procedures, Perform Standard Performance Test (SPT), and Process LPAS Report are waived.

(c) T-62 APU Engines

1. The Contractor shall perform MIP 3113 MRC 16 6XDN N Detergent Wash Engine and Perform Engine Rinse.

2. The Contractor shall lay-up T-62 APU engines in accordance with Technical Manual S9311-A3-MMA-010 Rev 11 dated 23 SEP 2013, Paragraph 8-5.

(d) Gearboxes

In accordance with paragraph 8-6.2 of Technical Manuals S9240-AA-TML-050 Rev 0 dated 15 DEC 2015, S9240-AA-TML-077 Rev 0 dated 30 JUL 2016, S9240-AA-TML-086 Rev 1 dated 1 AUG 2016, and S9240-AA-TML-087 Rev 1 dated 1 AUG 2016, the Contractor shall fill and keep gearboxes filled with MIL-PRF-23699 oil while the craft is in layup.