TM 5-4320-300-14Table 4-1 Organizational Preventive Maintenance Checks and Services - ContinuedW - WeeklyQ- QuarterlyM - MonthlyS- SemiannuallyIntervalItemItemTo BeNo. W M Q SInspected ProceduresCAUTIONWhen refilling hot engine with coolant, fillslowly to prevent rapid cooling and distortionof engine castings.g. Refill the cooling system with a fresh solution of 50%water and 50% antifreeze conforming to MI L-A-46153.17Main WiringHarnessCAUTIONDisconnect battery cable from negative (-) bat-tery post before disconnecting any other leadsfrom engine components. This precaution willprevent short circuits which could damage alter-nator, voltage regulator, or other parts.Inspect main wiring harness for broken or burned insulation,frayed connecting wires, and loose or broken contacts.4-30
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