Husqvarna K 3000 Vac Owners Manual - Page 15
Assembly, Fitting the cutting blade, Checking the drive shaft and flange washers, Guard for the blade
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Assembly ASSEMBLY There is an arrow on the machine that indicates the axleís direction of rotation that the blade is mounted on. WARNING! Always pull out the plug from ! the outlet socket before cleaning, maintenance or assembly. Fitting the cutting blade Husqvarna's blades are approved for hand-held power cutters. Blades are manufactured with three different diameters of centre holes: 20 mm (0.787"), 22.2 mm (7/ 8") and 25.4 mm (1"). Bushings can be fitted on the machine axle to adjust the machine to the centre hole of the blade. Use a bushing with the correct diameter! The blades are marked with the diameter of the centre hole. When the blade is replaced with a new one, check the flange washers and the drive axle. See instructions under the heading Checking the drive axle and flange washers. Checking the drive shaft and flange washers Check that the threads on the drive shaft are undamaged. Check that the contact surfaces on the blade and the flange washers are undamaged, of the correct dimension, clean, and that they run properly on the drive axle. The blade is placed on the bushing (C) between the inner flange washer (A) and the flange washer (B). The flange washer is turned so that it fits on the axle. Tightening torque for the bolt holding the blade is: 15-25 Nm (130-215 in.lb). The cutting blade/axle can be locked by holding in the locking button on the rear of the machine. The button is spring-loaded and is reset when button is released. Do not use warped, notched, indented or dirty flange washers. Do not use different dimensions of flange washers. Guard for the blade The guard must always be fitted on the machine. The guard for the cutting equipment should be adjusted so that the rear section is flush with the work piece. Spatter and sparks from the material being cut are then collected up by the guard and led away from the user. When a diamond blade is mounted on the power cutter make sure that the diamond blade will rotate in the direction indicated by the arrow on the blade. English - 15