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H 90SB HANDLING INSTRUCTIONS INSTRUCCIONES DE MANEJO ..... Read through carefully and understand these instructions before use. Leer cuidadosamente y comprender estas instrucciones antes del uso. ......... 1 2 3 4 2131764586 7 mm 17 mm 1 2 3 4 2131764586 7 mm 17 mm English Espanol ... 1 Front cover Cubierta delantera .. 2 Retainer Retenedor ... 3 Tool shank Barrena ... 4 Wear limit Limite de desgaste .... 5 No. of carbon brush No. de escobilla de carbon ... 6 Tail cover Cubiertra posterior .. 7