Supply of Belt Tensioning Device Assly. For 4.5 Kw Belt Tensioning Device Assly. For 4.5 Kw Transom-Mounted Alternator To Rdso Drg. No. Skel/3940 Sheet-I Alt-5 & Sheet No. 2 Alt-5. The Length Of Item No. 9 I.E. Indication Plate Shall Be 250 Mm.