10Fence Adjustments1. Adjust fences by loosening ratchetinghandle (A, Fig. 7), turn knob (B, Fig. 7) toadjust fence in or out, and tighten ratchetinghandle.2. Adjust spindle guard height by looseningtwo screws (C, Fig. 7), sliding guard up ordown to desired height, and then tighteningscrews.3. Hold down guides can be adjusted byloosening knob (D, Fig. 7).4. Hold in guides can be adjusted by looseninghex cap screw (E, Fig. 7).5. Guide supports can be adjusted byloosening hex cap screw (F, Fig. 7).Changing CuttersDisconnect the machine from power source,unplug!Each size spindle is supplied with a safety locknut with left-hand threads located above thespindle nut. To mount or change cutters, firstremove the safety lock nut. Remove thespindle nut by placing one wrench on thespindle nut and another wrench on the flats ontop of the spindle. Always replace the safetylock nut before operating shaper.Tool changing must be done with the utmostcare keeping in mind the following points.1. Cutters, collars and spacers mounted on thespindle shaft must have a perfect fit with noroom for movement or play between parts.2. Holes and counterbores of cutters, collarsand spacers must be perfectly shapedwithout rust, dings, nicks or other flaws.3. Clean all cutters, collars and spacers beforeinstalling them on the spindle.4. Always mount the cutter as low as possibleon the spindle.5. Make sure all parts on the spindle arelocked in position before starting the shaper.