Apollo operations handbook: Extravehicular mobility unit. Volume 1: System description, CSD-A-789-(1), Apollo 15-17, revision

This volume provides familiarization information essential to the operation of the extravehicular mobility unit (EMU), and describes the configuration combinations for the ATLB separable-components and the accessory contract end items. Configuration deviations may be made as dictated by specific crew/mission requirements. Operational procedures and malfunction detection procedures are found in Volume II of this handbook.