
The directional exhaust may be rotated to direct the exhausted air away from operator or work area. DEPTH OF CUT 1980 & 1981 Loosen flat plastic thumb screw, turn knurled stop screw until desired length of cutter is exposed beneath base. 1982 & 1983 Loosen plastic thumb screw, turn large plastic ring at top of base until desired length of cutter is exposed beneath base. CHANGING BITS Disconnect tool from air line. Hold collet body with one wrench and loosen collet retaining nut with other