Ryobi AG4531G User Manual - Page 8

ASSEMBLY INSTALLING GRINDING WHEEL See Figure 2, page 12. DANGER: Use ONLY Type 27 depressed center grinding wheels (such as the one provided with this product). NEVER ­attach a Type 1 straight or cut-off wheel to this angle grinder. Use for any other purpose is not recommended and creates a hazard, which will result in serious injury. TYPE 27 − OK TO USE TYPE 1 − DO NOT USE DANGER: Never attach a wood cutting or carving blade of any type to this grinder. It is only designed for grinding and sanding. Use for any other purpose is not recommended and creates a hazard, which will result in serious injury. WARNING: Thoroughly inspect a new grinding wheel before you install it on the grinder. • Tap lightly around the wheel using a wooden ­hammer. • Listen carefully to the resulting sounds. Places with fissures or cracks will result in a different sound. Do not use a wheel containing fissures or cracks. When you install a new grinding wheel, carry out a no load revolution test of approximately one minute with the grinding wheel facing a safe direction, i.e., away from people or objects.  Depress the spindle lock button and rotate the clamp nut until the spindle locks. NOTE: To prevent damage to the spindle or spindle lock, always allow motor to come to a complete stop before engaging spindle lock.  Loosen and remove the clamp nut from the spindle. Do not remove the disc flange.  Make sure the flats on the bottom of the disc flange are engaged with the flats on the spindle.  Place the grinding wheel over the spindle. WARNING: Always install a grinding wheel with the depressed center against the disc flange. Failure to do so will cause the grinding wheel to crack when tightening the clamp nut. This could result in serious personal injury because of loose particles breaking off and being thrown from the grinder. Do not overtighten.  Thread the clamp nut on the spindle with the flat side of the nut facing up.  Fit the raised, small diameter portion of the clamp nut into the hole in the wheel and finger tighten.  Depress the spindle lock button and rotate the wheel clockwise until the spindle locks in position.  Tighten the clamp nut securely with the wrench provided. Do not overtighten. INSTALLING THE SIDE HANDLE See Figure 3, page 12. WARNING: The side handle must always be used to help prevent loss of control and possible serious injury. The side handle can be installed on the top, left, or right side of the grinder, depending on operator preference. n I nsert the side handle into the desired operating position. n Turn the side handle clockwise to securely tighten. OPERATION WARNING: Do not allow familiarity with this product to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury. WARNING: Always remove battery pack from the tool when you are assembling parts, making adjustments, cleaning, or when not in use. Removing battery pack will prevent accidental starting that could cause serious personal injury. 8 - English