Philadelphia Gear PTO-GEN REPAIR KUKUI SOW.pdf
PDF 236 KB Posted
- Attached to
- USCGC KUKUI MAIN REDUCTION GEAR INSPECTION
- Solicitation number
- 70Z08526Q260000223
About this file
This Statement of Work (SOW) details shipboard repair services for the United States Coast Guard Cutter (USCGC) KUKUI's Main Reduction Gear (MRG) PTO-GEN Assembly in Sitka, Alaska. The work involves addressing excessive bearing wear found during an MRG inspection, specifically for the PTO to low-speed gear high-speed gear bearings. Philadelphia Gear (PG) will perform repair actions including removing the turning gear assembly, uncoupling the PTO shaft, conducting bearing renewal and axial clearance checks, and replacing multiple components such as bearing cups, bearing cones, spiders, and coupling hubs.
The repair work is scheduled from 11 November 2025 to 15 December 2025, to be performed at the CGC KUKUI located at 1480 Seward Ave in Sitka, AK. The contractor is required to provide state-issued identification for personnel, vehicle license plate information, and comply with all federal, state, and local laws. At the conclusion of repairs, tasks include greasing lip seals, observing spray patterns, performing a dock trial, and completing final torque of the Generator Housing Cover. The Point of Contact is CWO2 Brandon Erler, reachable at (907) 966-5470.
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| File | Type | Posted |
|---|---|---|
| NOTICE OF INTENT TO SOLE SOURCE 70Z08526Q260000223.docx | DOCX document |
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Text version
30 Oct 2025 SOW USCG KUKUI Reduction Gear’s PTO-GEN Assembly Repairs (Sitka, AK)
LAST UPDATED: 5/21/2025 PAGE 1/2
Shipboard Repair Services USCGC KUKUI PTO Bearing Renew
1. Background, Problem Statement:
During CGC KUKUI’s Main Reduction Gear (MRG) inspection; PTO to low-speed gear, excessive bearing wear was found on high-speed gear bearings.
1.1 Main Reduction Gear (MRG) Info:
MFR ID 96-DHCMGH-CP
B Class Model Gear Unit Reduction: NSN 3020-XF-C11-6019 Input RPM 900 Output RPM 254 Gear ration 3.541:1
1.2 Background:
USCG observed questionable flow from LO spray nozzles in the Generator Pinion Housing. A PG Service Rep visited the Cutter to address the spray nozzle issue. In the course of that work, damage additional damage internally was observed and documented in Condition Found Report (CFR) PG Order# 45880 dated 28Oct2025,
1.3 Work Requirement Statement:
1. In response to CFR45880 USCG has determined/concurred that Kukui does required the recommend repair actions of that report.
2. In response to report USCG concurs to the following repair actions to be performed by
PG:
A. Remove turning gear assembly.
B. Uncoupled PTO shaft and support.
C. Bearing renewal and axial clearance check.
D. To correct the out of spec bearing clearance It is preferred that the turning gear adapter spigot PG p/g 50005-0202 be machined to set the axial clearance to spec using shim material.
3. In addition to above repair actions PG shall perform all work required to renew the following components (both those PG shall provide as well as the parts USCG shall provide) in the course of the repairs:
Philadelphia Gear Provided Part
Part # Description Comment 31000-0223 Bearing Cup Same as 01070-0322 PC 77 31000-0224 Bearing Cone Same as 01070-0322 PC 76 32300-2053 Spider Same as 01070-0322 PC 340 32000-0118 Coupling Hub Same as 01070-0322 PC 341 32300-1765 Coupling Hub Same as 01070-0322 PC 342 IR 162343-6 Machine Turning Gear
30 Oct 2025 SOW USCG KUKUI Reduction Gear’s PTO-GEN Assembly Repairs (Sitka, AK)
LAST UPDATED: 5/21/2025 PAGE 2/2
Adapter P/N 50005-0202
USCG Provided Parts
Part # Description Comment 31000-1796 Bearing Cup Same as 7501070-0322 PC 75 31000-1795 Bearing Cone Same as 01070-0322 PC 74
4. At conclusion of repairs perform the following tasks in conjunction/company with Cutter personnel:
• grease the associated lip seals
• observe proper spray patterns
• perform dock trial
• Final torque of Generator Housing Cover
5. Period of Performance
11 November 2025 15 December 2025
6. Location of Performance
CGC KUKUI
1480 Seward Ave Sitka, AK 99835 POC: CWO2 Brandon Erler (907) 966-5470
7. Acceptance Criteria
• N/A
8. Security and Confidentiality
• KTR shall provide:
• State Issued Identification numbers to include issuing state for all personnel
• Vehicle license plate number to include issuing state for all KTR vehicles
• Each vehicle year, make, and model
9. Reporting Requirements
10. Legal Compliance
• KTR shall comply with all applicable Federal, State, and Local laws and regulations.
11. Performance Monitoring
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