TM 10-3930-671 -10 Table 3-1.  Operator Preventive Maintenance Checks and Services - CONT. Location Item Item To Not Fully Mission No. Interval Check/ Procedure Capable If: Service DAILY- ENGINE- Continued Continued WARNING Remove all jewelry such as rings, dog tags, bracelets, etc.  If jewelry contacts battery terminal, a direct short may result in instant heating of tools, damage to equipment, and injury or death to personnel. 8 Before Batteries Check that battery hold-down is in place and holding batteries securely.  Notify unit maintenance, if necessary. Check that batteries and cables are free of corrosion.  Notify unit maintenance, if necessary. Check that battery cables are secure.  Notify Battery cables are unit maintenance, if necessary. loose. 9 Before Engine Coolant Check coolant level (Para 3-7).  Notify unit Class III leak exists. Level maintenance, if necessary.Coolant lower than cold fill level in cooling system compensation tank. 10 Before Fuel Tank, Lines, Check fuel lines, fuel injector lines, Any leaks are present. and Fittings. and fittings for leaks or damage. Notify unit maintenance, if necessary. 11 Before Engine Oil Level Check engine oil level (Para 3-6).  Notify Engine oil is below the unit maintenance, if necessary. ADD mark on dipstick. 12 Before Engine Inspect that fan belt is present and fan is Fan or fan belt is loose, operating.  Notify unit maintenance, if missing, or damaged. necessary. 3-6