GE Power & Water Renewable Energy FACT SHEET Up-tower Gearbox Solutions Introduction The GE Advantage GE has many up-tower gearbox repair options to support your fleet and help reduce costs. By replacing damaged components and minimizing crane work, GE is helping customers manage asset life-cycle costs and reduce down-time. GE’s up-tower repair services are currently available on our 1.X turbines. Each engineered repair features qualified parts, customized tools and certified technicians to help ensure units are returned to service quickly and safely. Specific scope capabilities are located on the back side of this fact sheet. Technical Description Combined with GE’s PulsePOINT monitoring software, thorough inspections, and extensive field expertise, up-tower repairs can help keep cost down and production up. GE’s proprietary tooling and engineering processes focus on safe, reliable up-tower replacement of internal gearbox components in high speed, intermediate, and low speed stages. Replacing damaged components helps ensure gears, bearings and lubrication are within specification, thereby extending asset life. Copyright © 2014 General Electric Company. All rights reserved. GEA31070 (2/2014) High Speed (HSS) OEM Model S Winergy PEAS 4390.x Bosch GPV 451T SLE Winergy PEAB 4410.x Gen-side Bearings Rotor-side Pinion Bearing Intermediate Speed (HSIS) Gen-side Bearings Rotor-side Bearing Pinion & Gear Low Speed (LSIS) & Planetary Gen-side Bearings Rotor-side Bearing LSIS Gear Assembly Pitch Tube Sun Pinion Seals & Assembly In progress In progress In progress In progress Moventas PLH 1100.1 Moventas PLH 1100.2 Bosch GPV 453 In progress In progress GETS 7GA87C N/A N/A N/A In progress GETS 7GA87E N/A N/A N/A In progress NGC FDM-00R1-7 In progress In progress Ask NGC FDM-00R8 In progress In progress Ask XLE Winergy PEAB 4411.x Winergy PEAB 4419.x Bosch GPV 455 GETS 7GA89A NGC FDMX-00R4 In progress In progress In progress N/A N/A In progress In progress In progress N/A In progress In progress Ask Broadening Expertise GE’s field engineers and repair engineers collaborate closely to apply their broad expertise to each repair. Each new innovation provides an opportunity to re-evaluate tooling and processes in order to ensure each scope can be executed as simply, safely and reliably as possible. These collective learnings help our team advance design for serviceability in new units. GE is committed to investing in innovative new technology that make more repairs possible up-tower.