TM 10-1670-287-23&P  0047 00  2.  Install AR2 Power Cable Assembly, Reserve as follows:  a.  Place container on work surface with pack tray facing down and AR2 pocket at the bottom right.  b.  Clean exterior of power housing by wiping with a clean, lint-free cloth moistened with anhydrous  isopropyl alcohol.  c.  Clean all metal parts (except power housing) by washing in anhydrous isopropyl alcohol and dry  thoroughly.  d.  Visually inspect all components for wear or damage.  e.  Discard worn or damaged parts.  Change 1  0047 00-4  NOTE Periodic maintenance of the power cable assembly is required to  insure proper operation. As a guide, follow the interval periods  contained in TM 10-1670-305-23&P, WP 0018 00. If required,  removal, disassembly, cleaning, inspection and assembly  instructions are also contained in TM 10-1670-305-23&P, WP 0019  00.