Ridgid WD4522 Owners Manual - Page 9

SP6734-1 RIDGID WD45500 4.5 Gallon - ES 4/25/12 12:21 PM Page 9 Operation (continued) Utility Nozzle - General purpose nozzle for most vacuuming applications. Hose - Provides transfer of vacuum or blowing capability to work site. Provides the means of attaching accessories. Hose includes suction relief valve to reduce hose pull back when the inlet is blocked. Vacuuming Dry Materials 1. The filter must always be in correct position at all times to avoid leaks and possible damage to Vac. 2. When using your Vac to pick up very fine dust, it will be necessary for you to empty the drum and clean the filter at more frequent intervals to maintain peak Vac performance. NOTE: A dry filter is necessary to pick up dry material. If you use your Vac to pick up dust when the filter is wet, the filter will clog quickly and be very difficult to clean. Vacuuming Liquids 1. When picking up small amounts of liquid the filter may be left in place. 2. When picking up large amounts of liquid we recommend that the filter be removed. If the filter is not removed, it will become saturated and misting may appear in the exhaust. 3. When the liquid in the drum reaches a ! WARNING: Do not operate without filter cage and float, as they prevent liquid from entering the impeller and damaging the motor. predetermined level, the float mechanism will rise automatically to cut off suction. You will know that the float has risen because Vac airflow ceases and the motor noise will become higher in pitch, due to increased motor speed. When this happens, turn off the Vac, unplug the power cord, and empty the drum. 4. After using the Vac to pick up liquids, the filter must be dried to avoid possible mildew and damage to the filter. IMPORTANT: To avoid damage to the Vac, do not run motor with float in raised position. Emptying the Dust Drum ! WARNING: To reduce the risk of injury from accidental starting, unplug power cord before emptying the drum. 1. To remove the power head to empty contents of the dust drum, simply lift the two drum latches on the front and rear of the Vac and lift the power head up and off the dust drum and set to the side. Drum Latches (2) 2. Set the power head upright in a clean, dry area while emptying the drum. 3. Dump the drum contents into the proper waste disposal container. Cord Storage When vacuuming is complete, unplug the cord and wrap it up as described in the "Cord, Hose & Accessory Storage" Section shown on page 7. 9