Lufkin Field Service Report_GS0018-FS0a Rev B.pdf
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- Attached to
- Reference Documents for DORFP 1305M224R0042 – NOAA Ship Thomas Jefferson FY25 Repairs Services
- Solicitation number
- 1305M224R0042
About this file
This document is a Field Service Report for a Lufkin gear reducer located on the NOAA ship M/V Thomas Jefferson. The gear reducer was inspected, with the clutches disassembled, cleaned, and inspected. Some wear was found on the clutch components, and the forward and reverse clutch back plates were recommended for repair or replacement. The gear oil also needs to be replaced. No tests were performed, and the inspection and cleaning of the clutches went well. The report recommends contacting Lufkin Service for any concerns before putting the gear reducer back into operation.
The related federal contract opportunity is for NOAA Ship Thomas Jefferson FY25 Repair Services, issued as a Delivery Order Competition under an existing multiple award IDIQ contract for NOAA dockside support services. This is a civilian contract, and only contractors already awarded a Region II IDIQ will be considered for award.
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Text version
Lufkin Gears† Field Service Contact 24/7: T + 1 936 637 5307 409 Ellis Ave Lufkin, Texas 75901 USA
GR-0018-FS0a Rev B Lufkin Gears, LLC 16 November 2020 Confidential and Proprietary 1
Field Service Report
Project Information
Service Order LK01752
Prepared By Ed Butler
Accompanied By Chad Gates
Date Prepared Jan. 18, 2024
Direct Customer Detyens Shipyard
End User NOAA M/V Thomas Jefferson
Jobsite Contact Joe Fabian (843) 297-2924/ Chris McMurray jfabian@detyens.com / cmcmurray@detyens.com
Line of Business Marine
Purpose of Visit Minor Inspection
Copyright 2020 Baker Hughes Company. † Registered trademark of Baker Hughes Company in one or more countries. All third-party product and company names are trademarks of their respective holders.
1. EQUIPMENT IDENTIFICATION
Make Model Order No Serial No Observations
Lufkin RS2719S 829213 7122 Aged mailto:jfabian@detyens.com
GR-0018-FS0a Rev B Lufkin Gears, LLC 16 November 2020 Confidential and Proprietary 2
2. EQUIPMENT LOCATION
The Lufkin gear reducer is located within the engine room of the NOAA M/V Thomas
Jefferson.
16 November 2020 Confidential and Proprietary 3
3. OPERATING CONDITIONS
The gear reducer is operated by a twelve cylinder EMD diesel engine at a top speed of 900 RPM and is the main propulsion for the vessel.
16 November 2020 Confidential and Proprietary 4
4. EXTERNAL APPEARANCE
Clean, showing age
5. FINDINGS DURING DISASSEMBLY
The gear reducer was not disassembled. Only the three clutches were disassembled, cleaned, and inspected. See below for photos of findings.
16 November 2020 Confidential and Proprietary 5
6. INSPECTION / CHECKS
Aux. Clutch. Pilot support bearing.
Pilot bearing carrier fit is 5.513 inch Inside aux clutch, no visible wear.
16 November 2020 Confidential and Proprietary 6
No visible wear on clutch shoes. Clutch looks like new inside.
(Note the insp. Paint markings)
Reverse clutch Pilot bearing (bearing feels dry)
16 November 2020 Confidential and Proprietary 7
Pilot bearing fit 5.1185 inch Clutch shoes show oil
Contamination.
Clutch back plate Torque bar pin locations are worn
These locations need to be repaired.
16 November 2020 Confidential and Proprietary 8
Forward clutch Pilot bearing fit 5.118 inch
Clutch shoes show some wear. All Clutch shoe torque bar pin locations show wear and need repair.
16 November 2020 Confidential and Proprietary 9
GEAR INSPECTION
16 November 2020 Confidential and Proprietary 10
Reverse gears PTO drive gear
Light wear & even contact Light wear & even contact.
Forward pinion shows light wear with even contact
16 November 2020 Confidential and Proprietary 11
Reverse pinion shows light wear and even contact.
Low speed gear shows light wear and even contact
Aux. drive pinion gear shows light wear with even contact.
16 November 2020 Confidential and Proprietary 12
7. REPLACED PARTS
1. Qty.2 LFKE7078174 - BRG.BALL (WH1.ROW5.D.2..)
2. Qty.3 LFK36000260 - WASHER, RUBB BACK-EATON 412324-01
(WH1.ROWC.2.C.LK99999.2\.OTH)
3. Qty.64 LFKN9059125 - NUT ELASTIC STOP-5/8" NC LIGHT (WH1.ROWF.3.E..)
4. Qty.2 LFKAM149392 - SHAFT STUB-CLUTCH BRG SPCL
5. Qty.1 LFK56570863 - BEARING, BALL - SKF 6216
6. Qty.4 LFKN9059110 - NUT ELASTIC STOP-5/16"NC LIGHT (WH1.X.X.X..)
7. Qty.1 LFK56570854 - SHAFT, STUB - LUFKIN RS2719S
8. Qty.6 LFKN9005252 - SCREW, CAP-SOCKET HEAD, UNC 1/2 X2
9. Qty.32 LFKN9085382 - SCREW, CAP-HX HD, UNC 5/8 X 3-½
10. Qty.32 LFKN9085374 - SCREW, CAP-HX HD, UNC 5/8 X 2-¼
11. Qty.4 LFK100305278 - GASKET, AIR CONNECTION - EATION AIRFLEX (WH1.ROWH.3.E.)
12. Qty.16 LFKN9085194 - SCREW,CAP-HX HD,UNC 3/8 X 2-1/4
13. Qty.16 LFKN9085190 - SCREW,CAP-HX HD,UNC 3/8 X 1-¾
14. Qty.32 LFKN9059115 - NUT ELASTIC STOP-3/8" NC LIGHT
15. Qty.1 LFK100304143 - SEAL, LIP - GARLOCK 53 X 2570
8. FINDINGS DURING REASSEMBLY
New parts were installed after a thorough cleaning of the clutches.
9. TESTS
No tests were preformed.
10. CONCLUSIONS
The inspection went well, as well as the cleaning of clutches and installation of new parts.
11. RECOMMENDATIONS
• The forward and reverse clutch back plates need to be repaired or replaced. The torque bar pin locations are worn.
• Gear oil needs to be replaced.
• Call Lufkin Service for any concerns after or before putting back into operation.
File details come from the government source that posted it. Updated .