TM10-3930-660-20 13-4. TIRES -   REPLACE  (Cont’d) h. Work progressively around rim (b) prying with tire iron (c), stepping on lock ring (8) and forcing it down into gutter of rim (b) until completely installed. CAUTION Use care when assembling rim components to avoid dislodging the O-ring (9). i. Allow aligning ring (7) to come up over O-ring (9) and onto lock ring (8). 2. TEMPORARILY INFLATE TIRE (3) AND CHECK FOR PROPER SEATING OF TIRE BEADS, ALIGNING RING (7), AND LOCK RING (8). Always inflate tires mounted on rims with aligning rings or lock rings in an inflation safety cage, or serious injury or loss of life could result. Improperly seated aligning rings or lock rings could blow off during inflation.  Never  attempt  to  seat aligning rings or lock rings during or after inflation. Serious injury or loss of life could result. Never over inflate tires to seat tire beads. Serious injury or loss of life could  result. When inflating tires in a safety cage, always use an airhose and gage for safety  cage  use. Failure to do so could cause serious injury. 13-9