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Connector Soldering Complete
Image above: A technician solders pins for the replacement feed-through connector that will be installed on the external tank of space shuttle Atlantis. Photo credit: NASA/Kim Shiflett
View Hi-res Image
Jan. 7
Workers are finished soldering the pass-through connector as work continues to make space shuttle Atlantis ready for launch. The connector is undergoing testing and will be waterproofed before being installed on the external fuel tank for Atlantis' STS-122 mission.
A series of false readings from the fuel sensor system was traced to the pass-through connector during two previous launch attempts last month and a test of the external tank. The connector is on the external tank and allows sensors, called engine cutoff sensors, inside the tank to send data to the computers that control the space shuttle's three main engines.
The connector on the external tank to be used by space shuttle Endeavour for its STS-123 mission also will be examined. Crews at NASA's Kennedy Space Center are removing a section of foam on that tank in preparation for taking out the connector.
Media Resources
› STS-122 Press Kit (15 Mb PDF)
› STS-122 Fact Sheet (7.6 Mb PDF)
› STS-122 TV Schedule
› ECO Sensor's Morning Press Briefing (Real Player Video)
Engine Cutoff (ECO) sensors graphics:
› LH2 ECO Sensor Locations
› Overall Schematic of ECO and Liquid Level (Point) Sensors
› Orbiter Avionics Bays
› Orbiter Aft Avionics Bays
› Functional Block Diagram of Point Sensor Box
› Exploded View of Point Sensor Box
Image above: A technician solders pins for the replacement feed-through connector that will be installed on the external tank of space shuttle Atlantis. Photo credit: NASA/Kim ShiflettView Hi-res Image
Jan. 7
Workers are finished soldering the pass-through connector as work continues to make space shuttle Atlantis ready for launch. The connector is undergoing testing and will be waterproofed before being installed on the external fuel tank for Atlantis' STS-122 mission.
A series of false readings from the fuel sensor system was traced to the pass-through connector during two previous launch attempts last month and a test of the external tank. The connector is on the external tank and allows sensors, called engine cutoff sensors, inside the tank to send data to the computers that control the space shuttle's three main engines.
The connector on the external tank to be used by space shuttle Endeavour for its STS-123 mission also will be examined. Crews at NASA's Kennedy Space Center are removing a section of foam on that tank in preparation for taking out the connector.
Media Resources
› STS-122 Press Kit (15 Mb PDF)
› STS-122 Fact Sheet (7.6 Mb PDF)
› STS-122 TV Schedule
› ECO Sensor's Morning Press Briefing (Real Player Video)
Engine Cutoff (ECO) sensors graphics:
› LH2 ECO Sensor Locations
› Overall Schematic of ECO and Liquid Level (Point) Sensors
› Orbiter Avionics Bays
› Orbiter Aft Avionics Bays
› Functional Block Diagram of Point Sensor Box
› Exploded View of Point Sensor Box
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