GE Baker Hughes 2900-40 Series Maintenance Manual page 6

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