TM 10-5430-242-12&P 0018 00 Change 1 0018 00-6 Table 1.  Unit Preventive Maintenance Checks and Services For Fuel Storage Tank (continued). ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 15 After Tank (1) Inspect for tears, punctures, or leaks. Tank has tears or punctures that cannot be repaired. 16 After Filler/Discharge Gate Valve (2) or   Ball Valve (3) Check for bent or binding stem, broken hand-wheel or handle.   Stem, hand-wheel or handle are damaged or missing. 17 After Drain Ball Valve (4) Check for bent or binding stem, or broken handle.   Stem or handle is damaged or missing. 18 After Vent and Pipe Assembly (5) Check for evidence of leakage, damage, or missing parts. Check the relief cap for cleanliness and freedom of operation. Check if the flame arrestor, relief cap gasket, flat rubber gasket, or cam- lever arms are damaged or missing.    Evidence of leak- age.  Relief cap or flame arrestor damaged or miss- ing.  Relief cap gasket, flat rubber gasket, or cam- lever arms are damaged or missing. 19 After Filler/Discharge Assembly (6) (GTA Model)   or Filler/Discharge Assembly (7) (Reliance and MPC Model) Check for evidence of damage or leakage.   Check if cam-lever arms are damaged or missing. Check if elbow body is cracked or sealing surface is badly dented. Check for loose, damaged or missing screws and gaskets. Any evidence of leakage.  Cam- lever arms damaged or missing.  Elbow body cracked or worn.   20 Semi- annually Drain Fitting Assembly (8)   Check immediate area for evidence of leakage.   Check the drain plug, drain hose, or drain ball valve for damaged or missing parts.   Any evidence of leakage.  Drain plug, drain hose, or drain ball valve are missing, improperly connected, or damaged. 21 Semi- annually Berm Liner Drain Fitting Assembly (9)   Check immediate area for evidence of leakage.   Check drain plug, drain hose, or drain valve for damaged or missing parts.   Any evidence of leakage.  Drain plug, drain hose, or drain ball valve is missing, improperly connected, damaged or leaks. END OF WORK PACKAGE