Ridgid R4331 Operation Manual - Page 16
Adjustments - replacement blades
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ADJUSTMENTS WARNING: Before performing any adjustment, make sure the tool is unplugged from the power supply and the switch is in the OFF ( O ) position. Failure to heed this warning could result in serious personal injury. THICKNESS SCALE ADJUSTMENT See Figure 16, page 25. Located on the right front of the planer, the thickness scale shows the depth of the finished workpiece. Inaccurate cuts can be prevented by routinely checking the alignment of the thickness scale. Table extensions must be level with planer table. Plane a scrap piece of wood then measure the thickness of the finished piece. If properly adjusted, the thickness of the finished piece should be the same as indicated on the thickness scale. If out of adjustment, loosen the scale indicator screws holding the scale indicator and adjust the thickness indicator to the correct setting. Retighten screws securely. BLADE ADJUSTMENT See Figure 17, page 25. WARNING: Always wear heavy leather gloves and use caution when loosening blade locking screws and handling and/or changing blades. Blades are sharp and can cause serious injury. Tiny nicks may appear on the blades as a result of picking up sand or other particles on a workpiece and then running the workpiece through the planer. Slight adjustments can be made to one or both blades to offset such planing imperfections. Unplug the planer. Lower the cutter head assembly. Remove the dust hood screws holding the dust hood in place. Remove hood and set aside. WARNING: To avoid injury, NEVER rotate the cutter head by hand. If cutter head is not locked, rotate until it locks. Note: Rotating the cutter head is accomplished by turning the dust exhaust fan with your fingers until the cutter head locks in place. Using the magnetic blade wrench, loosen, but do not remove, the blade locking screws that secure the blade in the cutter head. Push the end of the cutter blade on either the left or right side to shift the blade as desired. The blade can be shifted up to 3/64 in. Retighten the blade locking screws securely. Replace the dust hood and reinstall dust hood screws to secure. 16