TM 9-2350-287-10Table 2-1. Preventive Maintenance Checks and Services for Model M992A1LocationItem Interval CrewmemberNot Fully MissionNo.Item toProcedureCapable If:Check/Service37 AfterTrackWARNINGTension(continued)Lubricant is under high pressure.Loosen bleed plug slowly to avoidinjury to personnel.NOTEWhen measurement has reached3 1/2 inches (8.89 cm), trackadjuster cylinder assembly hasreached its maximum limit.Remove one track shoe andreadjust track tension.If track sag cannot be taken up,decrease track tension; removetrack shoe and adjust.To decrease track tension, openbleed plug on track adjuster cylinderassembly and reduce pressure untiltension is released.b. Tighten bleed plug and wipeaway excess grease.Change 12-57
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