SPACE PHOTOS

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Ref : S10059

Theme :  Testings - Satellites - Probes - Rockets  (2314 images)

Title : Technicians check out a jacking

Caption :

(08/13/2002) -- Technicians check out a jacking, equalization and leveling (JEL) cylinders from Crawler-Transporter No. 2. During inspections, technicians removed two of the 16 JEL cylinders on the vehicle to gain access to the bearings for routine maintenance and found three of the four bearings had cracks. Of the three bearings, two had extensive damage. Further eddy current inspections indicate that cracks are present on 15 of the bearings. There are 16 cylinders and 32 bearings per crawler. Although no cause for the cracks is known at this time, engineers are currently evaluating the situation to determine the most appropriate solution. The crawler is in the background.



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