GE Baker Hughes 2900-40 Series Maintenance Manual

6 | BHGE© 2019 Baker Hughes, a GE company. All Rights Reserved.B. Dual Pilots ...................................................................................................................................................................................................................... 56C. Field Test Connection .............................................................................................................................................................................................. 56D. Single, Dual and High Capacity Filters (optional) .................................................................................................................................. 56-57E. Sensing Line Filter (standard) ............................................................................................................................................................................... 57F. Gag .................................................................................................................................................................................................................................... 58G. Heat Exchanger..................................................................................................................................................................................................... 57-59H. Lifting Lever ................................................................................................................................................................................................................... 59I. Manual, Electrical, or Pneumatic Blowdown Valve ...................................................................................................................................... 59J. Pilot Valve Tester......................................................................................................................................................................................................... 60K. Pressure Differential Switch................................................................................................................................................................................... 60L. Pressure Spike Snubber ........................................................................................................................................................................................... 61M. Remote Pilot Mounting............................................................................................................................................................................................. 61N. Remote Sensing........................................................................................................................................................................................................... 61O. Sensing Ring .................................................................................................................................................................................................................. 61XXIII. Maintenance Tools and Supplies....................................................................................................................................................................... 62-66A. Adjuster Top Seal Insertion Tool........................................................................................................................................................................... 62B. Insert Installation Tool ............................................................................................................................................................................................. 63C. Lapping Tools ........................................................................................................................................................................................................ 64-65D. Disc Holder and Guide Removal and Assembly Tool ............................................................................................................................ 65-66XXIV. Replacement Parts Planning ...................................................................................................................................................................................... 67A. Basic Guidelines .......................................................................................................................................................................................................... 67B. Identification and Ordering Essentials .............................................................................................................................................................. 67C. Positive Identification of Main Valve and Pilot Valve Combinations .................................................................................................... 68XXV. Genuine Consolidated Parts ........................................................................................................................................................................................... 68XXVI. Recommended Spare Parts ...................................................................................................................................................................................... 69-74XXVII. Manufacture's Field Service, Repair, and Training Programs ................................................................................................................. 75A. Field Service .................................................................................................................................................................................................................. 75B. Factory Repair Facilities ........................................................................................................................................................................................... 75C. Safety Relief Valve Maintenance Training ........................................................................................................................................................ 75End Users Notes ............................................................................................................................................................................................................................. 76-79