TM 10-7310-281-13&PMODERN BURNER UNIT (MBU)0016 00OPERATOR SERVICES0016 00-1/2 blankCLEAN AIR VENT ASSEMBLY ORIFICETHIS SECTION COVERS:Service (as required)INITIAL SETUPMBU shut-down and cool (WP 0005)Maintenance LevelMaterials/PartsOperatorTools and Special ToolsAccessory Outfit, Gasoline, Field Range with Baking Rack (WP 0038, Table 2, Item 1)Clean Air Vent Assembly Orifice. Locate the Air Vent Assembly (1)on the top surface of the fuel tank(3). The Air Vent Orifice (2)is the 3/8 inch diameter hole located on the side of the assembly facing therear of the MBU. Ensure that the orifice is clear of any dust or debris as this would prevent venting of thefuel tank and affect fuel flow. DO NOT use any tool or object that would push any debris further into theorifice. Use a small cleaning brush to clean the debris out of the orifice.Cleaning the Air Vent Valve OrificeEND OF WORK PACKAGE123
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