Sunday, December 22, 2013

NASA: Ammonia Pump Removed - Next Spacewalk set

From NASA:

Astronaut Rick Mastracchio works outside the International Space Station during the first of a series of spacewalks to replace a degraded ammonia pump module.
Image Credit: NASA TV
Space Station Crew Removes Ammonia Pump; Next Spacewalk Set for Tuesday
Dec. 21, 2013
Expedition 38 Flight Engineers Rick Mastracchio and Mike Hopkins wrapped up a 5-hour, 28-minute spacewalk outside the International Space Station at 12:29 p.m. EST Saturday, completing the first in a series of excursions aimed at replacing a degraded ammonia pump module associated with one of the station's two external cooling loops that keeps both internal and external equipment cool.
  › View video of spacewalk highlights

A second spacewalk to install a replacement pump module, originally planned for Monday, is now scheduled for Tuesday.

The extra day will allow time for the crew to resize a spare spacesuit on the space station for use by Mastracchio. During repressurization of the station's airlock following the spacewalk, a spacesuit configuration issue put the suit Mastracchio was wearing in question for the next excursion.-- specifically whether water entered into the suit's sublimator inside the airlock. The flight control team at NASA's Johnson Space Center in Houston decided to switch to a backup suit for the next spacewalk....

More details - and video - here.

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