TM 9-2350-261-20-1Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOVItemIntervalItem ToProcedureNot MissionNo.BeCapable It:Inspected58Semi-Differen-Replace missing or damaged retainingAny cracked or bro-Annualtialclips and mount pins on differentialken mounts.mounts (page 21-20). Drain differen-tial every 100 hours, 1500 miles orsemi-annually.Remove front hullplug and differential drain plug. In-spect drain plugs for metallic particlesand refill oil system with OE/HDO asneeded. Clean and inspect breatherand oil filter with PD 680 Type III sol-vent. If metal chips are found notifyDirect Support Maintenance.WARNINGFireResistantHydraulic (FRH)fluid may contain tricresyl phos-phate which, if taken internally,can produce paralysis. Hydrau-l i c f l u i d m a y b e a b s o r b edthrough the skin. Wear longsleeves, gloves, goggles, and faceshield. If FRH gets in eyes, washthem immediately and get medi-cal aid immediately. If FRH getson your skin, thoroughly washwith soap and water. Washhands thoroughly prior to eatingor smoking. Application of thesemeasures is considered an effec-tive control of the hazard.CAUTIONUse only FRH or OHA hydraulicfluid. Do not mix different typesof hydraulic fluids. Do not over-fill.59Semi-Differen-NOTEAnnualtial BrakeIf hydraulic fluid is contami-Adjust-nated, or fluid type is changed,mentdrain pivot steer system usingprocedure in LO 9-2350-281-12,card 19, paragraph 4.2-78 Change 3
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