TM 10-5430-242-12&P 0018 00 Change 1 0018 00-4 Table 1.  Unit Preventive Maintenance Checks and Services for Fuel Storage Tank. NOTE Within designated intervals, these checks are to be performed in the order listed. ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 1 Before Tank (1) Inspect for tears or punctures. Torn or punctured. 2 Before 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. 3 4 Before Before Drain Ball Valve (4) Vent and Pipe Assembly (5) Check for bent or binding stem or broken handle. Check for evidence of 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. Stem or handle is damaged or missing. Relief cap or flame arrestor is damaged or missing.  Relief cap gasket, flat rubber gasket or cam-lever arms are damaged or missing. 5 Before Filler/Discharge Assembly (6) (GTA Model)   or Filler/Discharge Assembly (7) (Reliance and MPC Model) Check for evidence of damage.  Check if cam- lever arms are damaged or missing.  Check if the elbow body is cracked or sealing surface is badly dented.  Check for loose, damaged or missing screws and gaskets.   Cam-lever arms are damaged or missing.  Elbow body is cracked.   Elbow sealing surface is badly dented. Hardware is damaged or missing. 6 Before Drain Fitting Assembly (8)   Check drain plug, drain hose, and drain ball valve, for damaged or missing parts.   Drain plug, drain hose, drain ball valve is missing, improperly connected, or damaged. 7 Before Berm Liner Drain Fitting Assembly (9)   Check drain plug, drain hose, or drain ball valve, for damaged or missing parts.   Drain plug, drain hose or drain ball valve is missing, improperly connected, or damaged.