89ZAA85007_00_A01.pdf

Ship/HULL NO. ShlD/HULL NAME

I ICN: I Rev: Key Op:

DIVE BOAT JON: 89ZAA85007 A01

TITLE:

Propulsion Shaft and Stuffing Box BKT; replace

JOB SPECIFICATION

Anticipated Award Date: ProducUon Completion Date: PREPARING ACTIVITY:

6/Jo/ -l..o~, IO/ JI>/ .l.o..l..& POP Start Date: POP End Date: SASEBO

'l /~o/ ~.,\., 12/J0/~~6

PREPARED BY: CODE DATE

T.MITSUTAKE M Ml 3/25/2026

APPROVED BY: \.]!J/1 CODE

S.MURAKAMI S226

CONCURRED BY: ~~ CODE

N.SASHI 8232

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

ASSIST PLANNER'S NAME: CODE

WORK TO BE DONE IN DRYDOCK

DESCRIPTION:

JSN(S): CASREP# I

S/F CONTACT: CWP# CCNS#

T. ESCRITOR-YAMADA

Approved by S300/S900

PMS320

Data: 1 /, I ?-o'l.At AVL: 8A1

~ LWC:

Work Completed

S/Force: Rate: Data:

Ship Supt: Data: SRF CONTROL NO.: 1301370704

WQRK CERTIFICATION SIGNATURES

COMPLETION OF WORK REVIEW: BADGE NO.: SHOP/CODE: PHONE: DATE:

ShlD/HULL NO. ShiD/HULL NAME ICN: Rev: Key Op:

DIVE BOAT JON: 89ZAA85007 A01

TITLE:

Propulsion Shaft and Stuffing Box BKT; replace

1.1 Title: Propulsion Shaft and Stuffing Box Bracket; replace

1. 2 Location of Work:

1.2.1 Under Hull

1.2.2 Machinery Room (2-12-0-E}

1.3 Identification:

1.3.1 Quantity (2 EA), PORT and Starboard Propulsion Propeller Shaft located in 1.2.1 and 1.2.2, Length: 6FT-4.B75 Inch, Dia: 2 Inch, Shape: Double tapers, Material: CRES, Item No.P3 of 2.2

1.3.1.1 Quantity (2 EA), Companion Coupling for 1.3.1 located in 1.2.2, Material: C.Steel, Item No.P24 of 2.2

1.3.1.2 Quantity (4 EA), Key for 1.3.1 located in 1.2.1 and

1.2.2, Material: CRES, Item No.P13 and Pl4 of 2.2

1.3.1.3 Quantity (2 EA), Taper Pin for 1.3.1 located in

1.2.2, Shape: Detail 4-F of 2.2, Material: Steel, Item No.P27 of 2.2

1.3.2 Quantity (2 EA), Strut bearing for 1.3.1 located in 1.2.1, Dimension: 2 Inch ID by 3 Inch OD by 8 Inch LG, Type: Johnson Brand Cutless(Cutlass) Bearing CALM, Item No.PS of 2.2

1.3.3 Quantity (4 EA), Bracket for Stuffing Box of Propulsion Propeller Shaft located in 1.2.2, Material: ASTM A-131, Item No.P25 of 2.2

1.3.4 Quantity (2 EA), Propeller located in 1.2.1, Dimension: 24 Inch OD, Item No.Pl and P2 of 2.2

2. REB'l:RENCES:

2.1 Standard Items (FY26)

2.2 243-6627995, Propulsion Shafting Arrangement and Details

2,3 201-6627994 Rev A, Machinery Arrangement and Details

2.4 114-6627990 Rev A, Skegs and Struts

2.5 111-6577273 Rev B, Structural Modification for Dive Boat Conversion

2.6 561-6627996, Rudder, Stock and Steering Arrangement and Details

Jason.Rankin Highlight

Jason.Rankin Highlight

Ship/HULL NO. Ship/HULL NAME ICN: Rev: Key Op:

JON: DIVE BOAT 89ZAA85007 A01

TITLE:

Propulslon Shaft and Stuffing Box BKT; replace

3. REQUIREMEN!rS:

3.1 Measure and record each clearance between stern tube and existing propulsion shaft.

3.2 Remove each existing and install new propulsion shaft and component listed in 1.3.l through 1.3.3 installing each packing, using 2.2 through 2.6 and ENCLOSURE (A) for guidance.

3.2.l Remove and install each propeller listed in 1.3.4 for replacement of each propulsion shaft.

3.2.2 Clean each part exposed by disassembly and removals free of oil and foreign matter leaving no residue or injurious effects.

3.2.3 Inspect each part not specified for renewal for wear and defect.

3,2.4 Remove each existing and install new component in place of those identified to be missing or defective.

3.2.5 Remove each high spot, burr, abrasion, nick, corrosion, gasket material, and foreign matter from each flange and matting surface.

3.2.6 Remove each burr and high spot from each sliding surface, screw thread, key, and keyway.

3.2.7 Chase and tap each exposed threaded area.

3.2.8 Template, drill and ream each hole from marine gear flange to companion coupling listed in 1.3.1.1 for installation of each reamer bolt in accordance with Note 4 of 2.2, using Detail 5-F of 2.2 and 2.3 for guidance.

3.2.8.1 Measure and record each ream hole.

3.2.9 Fabricate and fit each reamer bolt, using 2.2 and 2.3 for guidance.

3.2.10 Drill and ream each propulsion shaft and companion coupling listed in 1.3.1 and 1.3.1.1 for installation of each taper pin, using Section 6-F and Detail 8-F of 2.2 for guidance. '

3.2.11 Fabricate and install each taper pin listed in 1.3.1.3, using Detail 4-F of 2.2 for guidance.

3.2.12 Tighten the packing gland nuts carefully, and maintain a small amount of leakage past the packing to provide lubrication and remove the heat generated by the friction between each packing and shaft.

3.2.13 Remove and install each stuffing box bracket listed in 1.3.3, using 2.2 and ENCLOSURE (B) for guidance.

3.2.13.1 Fabricate each new bracket.

Shi /HULL NO. Shi HULL NAME _;;;.;~;.c...;;...c~'--'--'-';;..;;.....~.;..;:;.c,;;.;;.;;..;..;~;;...:..;;~=------1 JON: ICN:

89ZAA85007

Rev: Key Op:

DIVE BOAT

TITLE:

Propulslon Shaft and Stuffing Box BKT; replace

3.2.13.2 Accomplish the requirements of 009-012 of 2.1, including Table 4, Column A, Lines One through 7 for welding. (Note 4.3)

A01

3.2.14 Accomplish the requirements of 009-025 of 2.1 for local water hose test for each hose of stuffing box (PB of 2.2) to ensure tightness.

Allowable leakage: None.

3.2.15 Measure and record each alignment of propulsion shaft in accordance with note 5 of 2.2.

3.2.1'6 Measure and record each final clearance between stern tube and new propulsion shaft.

(V) "REPORT"

3.3 Submit one legible copy of a report listing results of the requirements of 3.1, 3.2.8.1, 3.2.14 and 3.2.15 to SUPERVISOR.

3.4 Accomplish the requirement of 009-032 of 2.1 for each new and disturbed surface.

(V) (G) "OPERATIONAL 'l'ES'J!"

3.5 Accomplish an operational test of each propulsion shaft listed in

1.3.1 conducted by DIVE LOCKER during sea trial in Sasebo-bay until correct operation is verified. -S130, DIVE LOCKER

3.5.1 Verify each disturbed joint free of leaks except stuffing box shaft seal.

3.5.2 Ensure no unusual leaks from each stuffing box shaft seal other than normal leaks.

3.5.3 Ensure no unusual vibration other than normal vibrat.ion.

4.1 Initial Condition - Replace both engine propeller shafts and re welding both PORT & STBD bracket for stuffing box for shaft.

4.2 SRF Tool Room will issue pressure gages, dial indicators, and torque wrenches when required,

4.3 Cleaning of the area to a gas/oil free condition (by marine chemist) and preservation for underwater hull will be performed by 89ZAA85005-A01, and bilge cleaning and preservation will be performed by 89ZAA85008-A01.

4.4 S245 concurre~ to use Johnson Brand for Strut bearing listed in 1.3.2 instead of Goodrich Knave, under S245 official response to DIVE BOAT-0015.

4.5 ENCLOSURE (A) has been issued as removal guidance for the propulsion shaft, under S245 official response to DIVE BOAT-0016.

Jason.Rankin Highlight

Jason.Rankin Highlight

Ship/HULL NO. Ship/HULL NAME ICN: I Rev: j KZo~p:

DIVE BOAT

JON: 89ZAA85007

TITLE:

Propulsion Shaft and Stuffing Box BKT; replace

5. GOVERNMEN'l FURNISHED MAmRIAL (GFM) :

5.1 SRF will provide each following material.

MATERIAL LIST

ITEM PC REF M STOCK HAZ DOC QTY Para NO. NO. NO. I DESCRIPTION NUMBER MAT NO. REQD/ No. C UNIT

PROPELLER SHAFT, DOUBLE

TAPER WITH TWO SPOONED

001 P3 2.2 M KEVWAYS, AQUAMET 17 DN, 2" X 9B 2010 N 2/EA 3.2

6' 4-7/8", ITEM P3 OF DWG#

6627995 CRES

COMPANION COUPLING WITH

002 P24 2.2 M TAPER, ITEM P24 OF DWG# 9B2010 N 2/EA 3.2

6627995 ASTM A-27 GR 60-30

P10, 11, HARDWARE INCLUDING KEYS,

NUTS AND COTTER PIN, 003 13, 14 2.2 M P10, 11, 13AND 14 OF DWG# 9B2010 N 2/EA 3.2 and 15 6627995

STRUT BEARING, JOHNSON

BRAND CUTLESS (CUTLASS)

BEARING, CUTLESS BEARING

004 P5 2.2 M CALM, 2" SHAFT X 3" OD X 8" 9B 3110 N 2/EA 3.2

LONG, METALLIC NAVAL BRASS

FOR PROPELLER, P5 OF

DWG6627995

005 P7 2.2 M PACKING MATERIAL, P7 OF 9B 5330 013898701 N 10/FT 3.2 DWG6627995

HOSE,NONMETALLIC, COLUMIAN

006 PS 2.2 C FIG 182, HOSE 40 DX 3.5 ID X 6- 9B 4 720 011659537 N 2/EA 3.2

1/2 REIN PS OF DWG6627995

FLAT WASHER, 2-3/4 ODX 1-11/16

007 P12 2.2 C ID X 3/16, 316L, P12 OF 9B 5310 N 2/EA 3.2

DWG6627995

008 P16 2.2 M HEX BOLT, 3/4- 10 UNC - 2A X 6- 9B 5310 N 4/EA 3.2 1/2 316L P16 OF DWG6627995

HEX NUT, 3/4-10UNC-2B, 316L,

009 P17 2.2 M SLOTTED TYPE, P17 OF 9B5310 N 4/EA 3.2

DWG6627995 {FOR P16)

010 P18 2.2 M FLAT WASHER, 3/4, 316L, P18 OF 9B 5310 N 8/EA 3.2 DWG8627995 lFOR P16 & P17l

011 P19 2.2 M COTTER PIN, 1/8 DX 2, 316L, P19 9B5315 N 4/EA 3.2 OF DWG6627995 CFOR P16 & P17l

SET SCREW HEX, 3/8-16 UNC X

012 P20 2.2 M 1/2, 316L, P20 OF DWG6627995 9B 5310 N 4/EA 3.2

(FOR STRUT BEARING}

BAR,METAL, 1.1875",AISI 1020

013 P27 2.2 M (ASTM A108 GR1020), P27 OF 9B 9510 002566271 N 4/FT 3.2 DWG6627995 (FOR FABRICATE TAPERPINl

014 P28 2.2 M

NUT,SELF-LOCKING,HEX, P28 OF 9B 5310 011523028 N 2/EA 3.2 DWG6627995

015 P29 2.2 M WASHER,FLAT, 3/8" ID, P29 OF 9B 5310 000877493 N 1/HD 3.2 DWG6627995 (FOR P28ll

FLAT BAR, 1-1/4" WX 3 FT X 1/4"

016 P25 2.2 M TH, ASTM A-131, P25 OF 9B 9510 N 3/FT 3.2

DWG6627995

NUT,SELF-LOCKING,HEX, 3/4-16

017 MS 2.3 M UNF-2B, SELF LOCK, PB OF 9B 5310 000802289 N 12/EA 3.2

DWG6627994

Ship/HULL NO. Ship/HULL NAME ICN: I Rev:

I K.ey Op:

DIVE BOAT JON: 89ZAA85007 I A01

TITLE:

Propulsion Shaft and Stuffing Box BKT; replace

MATERIAL LIST

ITEM PC REF M STOCK HAZ DOC QlY Para NO. NO. NO. I DESCRIPTION NUMBER MAT NO. REQD/ No. C UNIT

018 M11 2.3 M WASHER,LOCK, M11 OF 9B 5310 013396531 N 1/HD 3.2 DWG6627994 (FOR M8)

HEX BOLT,PN 91247A508, 7/8-14

019 M7 2.3 M UNF-2AX 3-1/2", SAE GR5, FOR 9B5305 N 12/EA 3.2 FABRICATION REAMER BOLT, M7

OF DWG6627994

t s e ..... I I

>-- I -i--- f .. I I 1.88

BL~ - - 16.S

FR 17

RUDDER

STOCK

CL

CUI//SP-CTI/fEDCON

ITEM# H68 □F REF (c)

RUDDER STOCK

1-3/4'DIA

ITEM# P3 □F REF Cd)

PRPLN SHIFT

2 .. DIA

76,88

13,5

ITEM# 380 □F REF <b)

2-1/2 NPS, SCH-BO PIPE

FR 16

I I

_L ~1-: 7 _ ---:-::-+-- ~ - -

FR 15 FR 14

PRPLN SHAFT REMOVAL GUIDANCE

CUI//SP-CTI/FEDCDN

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Ship/HULL NO. Ship/HULL NAME ICN: Rev: Key Op:

DIVE BOAT

JON: 89ZAA85007 A01

TITLE:

Propulsion Shaft and Stuffing Box BKT; replace

ENCLOSURE (B) 1 11