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Ref : S10061
Theme :
Testings - Satellites - Probes - Rockets (2314 images)
Title : Technicians hook a crane to a jacking
Caption :
(08/14/2002) -- Technicians hook a crane to a jacking, equalization and leveling (JEL) cylinder and bearing on Crawler-Transporter No. 2 in preparation for its removal. During routine maintenance inspections last week, technicians removed two of the 16 JEL cylinders on the crawler to gain access to the bearings and found three of the four bearings cracked. Further eddy current inspections indicated that cracks are present on 15 of the bearings. There are 16 cylinders and 32 bearings per crawler. Engineers are evaluating the situation to determine the cause of the cracks and an appropriate solution to the problem.
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