11To meet the applicable safety provisions, only the tool/protector combinations as indicated in the table must be used.Be sure to use genuine MAKITA cutter blades ornylon cutting head.– The cutter blade must be well polished, free of cracks orbreakage. If the cutter blade hits against a stone duringoperation, stop the engine and check the blade immediately.– Polish or replace the cutter blade every three hours of operation.– If the nylon cutting head hits against a stone during operation,stop the engine and check the nylon cutting head immediately.CAUTION: The appropriate protector must always be installed, foryour own safety and in order to comply with accident-prevention regulations.Operation of the equipment without the guard being inplace is not permitted.The outside diameter of the cutter blade must be230 mm (9 - 1/16”). Never use any blades surpassing230 mm (9 - 1/16”) in outside diameter.Metal blade Protector for metal bladesNylon cutting head Protector fornylon cutting head(3) (2)(1)MOUNTING OF PROTECTOR– In use of the metal blade, fix the protector (3) to the clamp (2) with two boltsM6 x 30 (1).NOTE: Tighten the right and left bolts evenly so that the gap between the clamp(2) and the protector (3) will be constant.Otherwise, the protector sometimes may not function as specified.(3)(4)– In cases where the nylon cord cutter is to be used, be sure to mount thenylon cord cutter protector (4) onto the metal blade protector (3).– Mount the nylon cord cutter protector (4) by sliding it into place from the flankof the metal blade protector (3) as shown.– Remove tape adhered to cutter, which cuts nylon cord, on nylon cord cutterprotector (4).CAUTION: Be sure to push in nylon cord cutter protector (4) until it is fullyinserted.Take care not to injure yourself on the cutter for cutting the nyloncord.– To remove the nylon cord cutter protector (4), apply a hex wrench into thenotch on the metal blade protector (3), push it in and meanwhile slide thenylon cord cutter protector (4).Hex wrench