TM 10-7310-281-13&PMODERN BURNER UNIT (MBU)0014 00OPERATOR SERVICES0014 00-1REPLACE IGNITORTHIS SECTION COVERS:Replace (2000 Hours)INITIAL SETUPMBU shut-down and cool (WP 0005)Maintenance LevelMaterials/PartsOperatorRags (WP 0060, Table 1, Item 1)Tools and Special ToolsCross tipped Screwdriver (WP 0038, Table 2, Item 1)Replace Ignitor . Replace the ignitor every 2000 Hrs of operation or whenever recommended as part of atroubleshooting procedure.WARNING!Hot SurfacesDo not attempt service procedures on a burner that has recently been in operation. Letthe burner cool down before performing these procedures to avoid the possibility ofserious burns.Open control panel(1) of MBU to gain access to the fuel delivery block (2).Remove 2 hex nuts and washers(3) securing fuel delivery block(2) to the burner tube (4).Move fuel delivery block (2) out of the way to gain access to the ignitor (5).Disconnect ignitor power lead (6).Loosen ignitor retainer screw (7) and remove ignitor(5) from the fuel delivery block(2).CAUTION!Ignitor DamageWhen replacing the nozzle, be careful not to damage the ignitor.Install new ignitor assembly (5), and tighten the retainer screw (7).Connect the ignitor power lead (6).
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