TM 9-2320-280-20-28-4. TIRE, WHEEL, AND RUNFIAT MAINTENANCE (Cont’d)4.5.6.7.8.9.10.11.12.13.14.15.16.17.8-14Lubricate O-ring seal (8) with tire soap and install O-ring seal (8) on first ledge of rim half (9). Makesure Wing seal (8) is not twisted and is uniformly positioned 1 in. (25.4 mm) belowstuds (10). Do not overstretch O-ring seal (8).Position inner rim half (9) on a raised stand (or another inner rim half) to ensure tire (6) sidewallwill not contact floor when installed.Lubricate tire bead (7) and rim bead seat areas with tire soap.NOTEBefore installing tire on inner rim half, inspect tire sidewalls fora “paint dot”. Paint dots are often painted on tires to indicate thetire’s light spot, for balancing purposes. If paint dot is present,position tire on rim halves so that paint dot is 180° from valvestem on outer rim half.Center runflat (5) in tire (6). Carefully lower tire (6) over rim half (9). Check to ensure O-ringseal (8) has not been disturbed.Ensure runflat (5) is not binding flat portion of rim half (9). Runflat (5) should clear inner rimhalf (9).Install rim half (2) in tire (6).CAUTIONTighten locknuts gradually to avoid bent and broken studs, ordamage to wheel components.Install rim half (2) to rim half (9) with eight locknuts (1). Tighten locknuts (1) in sequence shownuntil rim half (2) is nearly touching rim half (9).Tighten locknuts (1) to 55 lb-ft (75 N m) in sequence shown.Tighten locknuts (1) to 65 lb-ft (88 N m) in sequence shown.Check wheel assembly for gaps at each stud (10) between rim half (2) and rim half (9). Use a0.0015 in. (0.038 mm) thickness gauge to detect gaps. If gaps are detected, disassembly andreassemble wheel assembly and recheck for gaps. If gaps are still detected, replace rim half (2).Install valve core (4) in valve stem (3).W A R N I NGNever inflate a wheel assembly without having checked wheellocknut torques to ensure the wheel locknuts are tightened tospecifications. An assembly with improperly tightened locknutscould separate under pressure resulting in serious injury ordeath.Always use a tire inflation cage for inflation purposes. Stand onone side of cage, during inflation, never directly in front. Keephands out of the cage during inflation. Inflate assembly torecommended pressure, using a clip-on air chuck. Do not exceed30 psi (207 kPa) cold inflation pressure. Failure to follow theseinstructions may result in serious injury or death.Place assembly in safety cage and inflate tire (6) to 30 psi (207 kPa) to seat tire bead.Deflate tire (6) to recommended tire pressure (TM 9-2320-280-10).Check for leaks around rim edges (11) and valve stem (4) with soapy solution.
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