Dewalt D28140 Instruction Manual - Page 14

English (114.3 mm) and 5" (127 mm) Sanding Flap Discs Type 27 guard Type 27 guard (Type 27 and 29) and wire brushes. Grinding and cutting with wheels other than Type 27 and 29 require different accessory guards not included with tool. Mounting instructions for these accessory guards are included in the accessory package. 1. Open the guard latch (M). Align the lugs (N) on the guard with the slots (O) on the gear case. FIG. 3 N hubbed sanding flap disc Quick-Change backing flange non-hubbed sanding flap disc threaded clamp nut Mounting Guard MOUNTING AND REMOVING GUARD (FIG. 3, 4) CAUTION: Guards must be used with all grinding wheels, sanding flap discs, wire brushes, and wire wheels. The tool may be used without a guard only when sanding with conventional sanding discs. Some DEWALT models are provided with a guard intended for use with depressed center wheels (Type 27) and hubbed grinding wheels (Type 27). The same guard is designed for use with sanding flap discs O I M 2. Push the guard down until the guard lugs engage and rotate freely in the groove on the gear case hub. 3. With the guard latch open, rotate the guard (I) into the desired working position. The guard body should be positioned between the spindle and the operator to provide maximum operator protection. 4. Close the guard latch to secure the guard on the gear case. You should not be able to rotate the guard by hand when the latch is closed. Do not operate the grinder with a loose guard or the clamp lever in open position. 5. To remove the guard, open the guard latch, rotate the guard so that the arrows are aligned and pull up on the guard. NOTE: The guard is pre-adjusted to the FIG. 4 diameter of the gear case hub at the factory. If, after a period of time, the guard becomes P loose, tighten the adjusting screw (P) with clamp lever in the closed position. 12