The Big 131 are
Pump Module (PM) R&R
Flex Hose Rotary Coupler (FHRC) R&R
Interface Heat Exchanger (IFHX) R&R
Solar Array Wing (SAW) Bearing Motor Roll Ring Module (BMRRM) R&R
SAW Electronics Control Unit (ECU) R&R
Ammonia Tank Assembly (ATA) R&R
Nitrogen Tank Assembly (NTA) R&R
Main Bus Switching Unit (MBSU) R&R
The boots come in two sizes (large and small) and there are three sizing inserts for a total of six possible sizes.
The Enhanced Boot (Figure 3.5.5) consists of a fabric
ankle joint, fabric foot envelope, fiberglass sole stiffener,
removable heel, threaded fabric attachment ring, and a
TMG. The Boot Assembly provides for flexion and
extension of the ankle ...