TCTO RB-M-45 TM4001 - Fuel Tank Level Sending Unit Modification.pdf

U.S. COAST GUARD

ASSET COMPUTERIZED MAINTENANCE SYSTEM

RB-M-45

TM4000.1

REV'D 02/08/17

ASSET NUMBER OPERATING ACTIVITY MAINTENANCE ACCOMPLISHED MAINTENANCE DUE

DATE ASSET HOURS DATE ASSET HOURS

MO DAY YEAR MO DAY YEAR

ZULU DATE ZULU HOURS

MO DAY YEAR

ITEM 1

DUE

CMS CODE ACTION DESCRIPTION CEINUM

TM4001 MODIFY FUEL LEVEL SENDING UNIT RM-B000-001

X SCHEDULED X UNSCHEDULED

MAN HOURS: MK___.___DC___.___EM___.___ET___.___GM___.___BM___.___FN___.___SN___.___ME___.___ IT___.___OTHER___.___

REMARKS:

TECHNICIAN'S TECHNICIAN'S

SIGNATURE ID

* ASTERISK INDICATES QA REQUIRED

*QA (1) * QA (2) * QA (3)

IMMEDIATE ATTENTION REQUIRED

TIME COMPLIANCE TECHNICAL ORDER

TCTO RB-M-45-TM4001

THIS TECHNICAL ORDER IS APPLICABLE TO RB-M-45

HULLS 45601 THROUGH 45770.

THIS TECHNICAL ORDER DIRECTS AND AUTHORIZES THE

REPLACEMENTOFTHEBOLTANDNUTMOUNTINGSYSTEM

WITH A BOLT AND NUT INSERT SYSTEM.

THIS TCTORB-M-45-TM4001 SUPERSEDESRB-M-45-TM4000

DUE TO CHANGE IN HULL APPLICABILITY.

Distribution Statement D: Distribution authorized to the DHS/CG/DoD and their contractors Administrative/Operational use, 02/08/17. Other requests shall be referred to .

WARNING: This document contains technical data whose export is restricted by the Arms Export-Control Act (Title 22, U.S.C., Sec 2751, et.

seq.) or the Export Administration Act of 1979, as amended, Title 50, U.S.C. App 2401 et. seq. Violations of these export laws are subject to severe criminal penalties. Disseminate in accordance with provisions of DoD Directive 5230.25.

DESTRUCTION NOTICE: For classified documents, follow the procedures in DoD 5200.22-M, National Industrial Security Program Operating Manual, Section 5-705 or DoD 5200.1-R, Information Security Program Regulation, Chapter VI, Section 7. For unclassified, limited documents, destroy by any method that will prevent disclosure of contents or reconstruction of the document.

REVIEWED LOG YN DATA WEIGHT AND BALANCE OFFICER'S UNIT DOCUMENT

BY ENTRY SIGNATURE NUMBER

COMPLETED

U.S. COAST GUARD

ASSET COMPUTERIZED MAINTENANCE SYSTEM

RB-M-45

TM4000.1

REV'D 02/08/17

PROTOTYPE WAS INSTALLED ON 45771 AND WILL REMAIN

INSTALLED.

Distribution Statement D: Distribution authorized to the DHS/CG/DoD and their contractors Administrative/Operational use, 02/08/17. Other requests shall be referred to .

WARNING: This document contains technical data whose export is restricted by the Arms Export-Control Act (Title 22, U.S.C., Sec 2751, et.

seq.) or the Export Administration Act of 1979, as amended, Title 50, U.S.C. App 2401 et. seq. Violations of these export laws are subject to severe criminal penalties. Disseminate in accordance with provisions of DoD Directive 5230.25.

DESTRUCTION NOTICE: For classified documents, follow the procedures in DoD 5200.22-M, National Industrial Security Program Operating Manual, Section 5-705 or DoD 5200.1-R, Information Security Program Regulation, Chapter VI, Section 7. For unclassified, limited documents, destroy by any method that will prevent disclosure of contents or reconstruction of the document.

REVIEWED LOG YN DATA WEIGHT AND BALANCE OFFICER'S UNIT DOCUMENT

BY ENTRY SIGNATURE NUMBER

COMPLETED

TCTO RB-M-45 TM4001

1. APPLICATION

This technical order is applicable to all RBM-45 hulls 45601 through 45770.

2. PURPOSE

This Engineering Change (EC) provides instructions to covert the fuel level sending unit from a nut and bolt attachment configuration to a bolt and nut insert attachment configuration.

3. EC COORDINATOR

Technical questions or comments associated with this EC shall be directed to CWO Jeff Paquette, e-mail “Jeffery.E.Paquette@uscg.mil”, phone number (410) 762-6130, or a Product Line POC list and phone numbers can be found on appropriate Product Line’s webpage on SFLC’s webpage at “https://cg.portal.uscg.mil/units/sflc/SitePages/Home.aspx”.

4. WHEN TO BE ACCOMPLISHED

This EC shall be accomplished within 48 months after receipt of this EC.

5. BY WHOM TO BE ACCOMPLISHED

This EC shall be accomplished by Coast Guard Industrial Service Activity (ISA) or by unit personnel in commercial contractor facilities. The SBPL shall coordinate the scheduling and execution of this EC for each asset.

6. WHAT IS REQUIRED

a. SUPPLY SUPPORT

(1) Kits/Parts/Materials Required The following table contains the NON-Government Furnished Equipment (GFE) parts required to comply with this EC and are not contained in a kit. Units shall submit via District responders a part request for needed items to complete this TCTO.

Table 6-1. NON-GFE INDIVIDUAL PARTS

QTY NSN PART

NUMBER

NOMENCLATURE SOURCE

1 kt N/A N552M62 Kit, Thread Setter SOS: GSA

ADVANTAGE

1 pg N/A 5NWL9 10-24 Aluminum Nut Insert

CAGE: 2N647

1 ea N/A 0150202 Loctite 271 CAGE:L05Q2

1 ea N/A 62400 Loctite 242 CAGE:L05Q2

(2) Action Required on Items in Stock Not applicable.

(3) Disposition of Removed and Replaced Parts/Materials and Initial Seed of New Parts/Materials SFLC will be responsible for action on Inventory Control Point (ICP) items.

Not applicable.

DESTRUCTION NOTICE- Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

mailto:Jeffery.E.Paquette@uscg.mil https://cg.portal.uscg.mil/units/sflc/SitePages/Home.aspx

b. MANPOWER AND PERSONNEL

WORK PHASE SKILLS LABOR-HOURS

Installation MK1/MK2 4.0 Inspection Marine Chemist 1.0 Inspection QA 0.5

TOTAL 5.5

c. SUPPORT AND TEST EQUIPMENT

(1) Special Tools

None.

(2) Special Test Equipment None.

(3) Software None.

d. TECHNICAL DOCUMENTS The tables listed below are used to identify the documents that have been affected by and/or are required to accomplish this configuration change. The source codes listed below each table are used to identify the intended reason for inclusion in this EC; multiple codes may be applicable to each document:

(1) Drawings – Below are the drawing revisions that have been affected, created, or will be referenced while completing the changes called for in this EC. Consult CG-LIMS STIP, “http://oscls-lims-ap04.osc.uscg.mil:7002/NETIMS” for the most current drawing revision when making the installations.

CG-DWG REV TITLE ACTION(s)

TAKEN*

45-RBM-110-002 - Hull Structures Modular A A

45-RBM-261-001 - Fuel Supply System Schematic A

45-RBM-261-002 - Fuel Supply System A

45-RB-M-437-001 - Tank Level Indicator System Schematic A

45-RB-M-437-002 A Tank Level Indicator System R

* ACTION TAKEN CODES (more than one code may be used) R – Revised as a result of EC Q – Required to complete EC A – Added as a result of EC D – Deleted (upon completion of EC)

(2) Technical Publications (TP) None.

DESTRUCTION NOTICE- Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

http://oscls-lims-ap04.osc.uscg.mil:7002/NETIMS

(3) Maintenance Procedure Cards (MPC) - Below are the MPC revisions that have been affected, created, or will be referenced while completing the changes called for in this EC. Consult CG-LIMS STIP, “http://oscls-lims-ap04.osc.uscg.mil:7002/NETIMS” for the most recent version.

MPC NUMBER DESCRIPTION ACTION REV DATE ACTION(s)

TAKEN*

B65001.D F/O Tank Insp Cover REPLACE 30 April 2015 Q

M41004.0 Fuel Tank Level Sensor

REPLACE 15 March 2015 R, Q

B24101.D Fuel Tank INSP/CLN 30 September 2014 Q

S00011.0 Electrical Isolation Service

TEXT 15 May 2014 Q

* ACTION TAKEN CODES (more than one code may be used) R – Revised as a result of EC Q – Required to complete EC A – Added as a result of EC D – Deleted (upon completion of EC)

(4) Other - Below are all other documents that are required to complete this EC.

DOCUMENT

TYPE

TITLE DOCUMENT

NUMBER

REV DATE ACTION(s)

TAKEN*

B65001.D Equipment Tag-Out Procedure

9077.1 (series) 21 December 1995 Q

M41004.0 Naval Engineering Manual

M9000.6F (series)

22 March 2011 Q

B24101.D Gas Free Engineering

074, Vol 3 01 August 2011 Q

7. HOW WORK IS ACCOMPLISHED

a. PRELIMINARY STEPS

(1) Isolate electrical service, (Refer to MPC S00011.0).

WARNING

ENSURE EQUIPMENT IS PROPERLY TAGGED OUT. FAILURE

TO COMPLY MAY RESULT IN SERIOUS PERSONAL INJURY OR

DEATH.

(2) Complete Red Danger Tags IAW COMDTINST 9077.1 (series).

(3) Remove the fuel tank cover, (Refer to MPC B65001.D).

(4) Have a marine chemist certify all affected spaces are “Safe for Hot Work”, (Refer to

COMDTINST M9000.6F (series) and NSTM Chapter 074, Vol 3).

(a) Maintain the gas free certification by a competent person throughout the duration of this installation, (Refer to COMDTINST M9000.6F (series) and NSTM Chapter 074, Vol 3).

(5) Clean the fuel tank, (Refer to MPC B24101.D).

DESTRUCTION NOTICE- Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

http://oscls-lims-ap04.osc.uscg.mil:7002/NETIMS http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_S00011.0.pdf http://www.uscg.mil/directives/ci/9000-9999/CI_9077_1C.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B65001.D.pdf https://cg.portal.uscg.mil/sites/externaldata/Directives/CIM_9000_6F.pdf https://cg.portal.uscg.mil/units/forcecom/Assessment/ATO/Cutter Resources_Quick references/General References/Naval Ships Technical Manuals (NSTM)/NSTM 074, Vol 3, Rev 06 - Gas Free Engineering.pdf https://cg.portal.uscg.mil/sites/externaldata/Directives/CIM_9000_6F.pdf https://cg.portal.uscg.mil/units/forcecom/Assessment/ATO/Cutter Resources_Quick references/General References/Naval Ships Technical Manuals (NSTM)/NSTM 074, Vol 3, Rev 06 - Gas Free Engineering.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B24101.D.pdf

(6) Inspect the fuel tank, (Refer to MPC B24101.D).

b. MODIFY FUEL TANK

(1) Remove fuel level sending unit, (Refer to MPC M41004.0).

(a) Retain # 10-24 bolts for reuse.

(b) Dispose of nuts and washers IAW all local, state, and federal regulations.

(2) Protect fuel tank from drill swarf.

(a) Place duct tape loosely under the fuel tank level sensor holes.

WARNING

USE APPROPRIATE EYE OR FACE PROTECTION WHEN

EXPOSED TO EYE OR FACE HAZARDS FROM FLYING

PARTICLES, MOLTEN METAL, LIQUID CHEMICALS, ACIDS

OR CAUSTIC LIQUIDS, CHEMICAL GASES OR VAPORS,

COMPRESSED AIR OR POTENTIALLY INJURIOUS LIGHT

RADIATION.

(3) Drill out the existing five mounting holes, perpendicular to the tank, using 19/64 inch drill bit.

(a) De-burr holes.

** Q.A. (1) REQUIRED AT THIS POINT **

(4) Remove swarf from drill holes and fuel tank.

(a) Remove duct tape from below drill holes.

c. INSTALL THREADED INSERTS

(1) Thread inserts, P/N: 5NWL9 onto manual pliers installation tool, P/N: N552M62.

WARNING

AVOID EYE CONTACT, SKIN CONTACT, AND INHALATION WITH

SEALANT. KEEP AWAY FROM ALL SOURCES OF IGNITION.

USE IN A WELL VENTILATED AREA. WASH EXPOSED SKIN

THOROUGHLY AFTER HANDLING. FAILURE TO COMPLY MAY

RESULT IN PERSONAL INJURY.

(2) Apply Loctite 271, P/N: 0150202, sparingly to threaded insert.

(3) Insert threaded insert into drilled hole.

(4) Squeeze manual pliers installation tool until insert is seated.

(5) Repeat Step 7.c. (1) through 7 c. (4) for four remaining inserts.

** Q.A. (2) REQUIRED AT THIS POINT **

d. FINAL STEPS

(1) Remove foreign matter from fuel tank.

DESTRUCTION NOTICE- Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B24101.D.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_M41004.0.pdf

WARNING

AVOID EYE CONTACT, SKIN CONTACT, AND INHALATION WITH

SEALANT. KEEP AWAY FROM ALL SOURCES OF IGNITION.

USE IN A WELL VENTILATED AREA. WASH EXPOSED SKIN

THOROUGHLY AFTER HANDLING. FAILURE TO COMPLY MAY

RESULT IN PERSONAL INJURY.

(2) Apply Loctite 242, P/N: 62400, to # 10-24 mounting bolts.

(3) Install fuel level sending unit, (Refer to MPC M41004.0).

(4) Clean the fuel tank, (Refer to MPC B24101.D).

(5) Inspect the fuel tank, (Refer to MPC B24101.D).

(6) Calibrate the fuel level sending unit, (Refer to MPC M41004.0).

(7) Install the fuel tank cover, (Refer to MPC B65001.D).

(8) Restore electrical service, (Refer to MPC S00011.0).

(9) Remove Red Danger Tags IAW COMDTINST 9077.1 (series).

** Q.A. (3) REQUIRED AT THIS POINT **

8. SUPPLEMENTAL INFORMATION

a. DESIGN INTERFACE The changes in this TCTO are for the way the fuel level sending unit mounts to the fuel tank. It removes the locking washers and nut from the mounting on the fuel tank. The nuts and washers are replaced with nut inserts.

b. WEIGHT AND MOMENT INFORMATION This EC presents no effect in weight and Center-of-Gravity.

c. TRAINING AND TRAINING SUPPORT None.

d. COMPUTER RESOURCES SUPPORT None.

e. PACKAGING, HANDLING, STORAGE AND TRANSPORTATION None.

f. FACILITIES None.

9. RECORDS

a. ACTION REQUIRED ON MAINTENANCE RECORDS

When the EC is signed off in ACMS, the Hull Significant Component History Report (SCHR) will automatically be updated.

b. ACTION REQUIRED ON SUPPLY RECORDS

(1) APL(s) Affected

None.

(2) Personal Property Records

None.

DESTRUCTION NOTICE- Destroy by any method that will prevent disclosure of contents or reconstruction of the document.

http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_M41004.0.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B24101.D.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B24101.D.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_M41004.0.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_B65001.D.pdf http://cgweb.netims.uscg.mil:7002/NETIMS/content/conn/SURFACE_WCC/path/Surface/MPC/45-RB-M_S00011.0.pdf http://www.uscg.mil/directives/ci/9000-9999/CI_9077_1C.pdf