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OPERATIONS General Many of these operations can be dangerous or deadly if performed incorrectly. The instructions in this section are written with the understanding that the operator has the necessary knowledge and skills to operate this machine. If at any time you are experiencing difficulties performing any operation, stop using the machine! If you are an inexperienced operator, we strongly recommend that you read books, trade articles, or seek training from an experienced dust collector operator before performing any unfamiliar operations. Above all, your safety should come first! Operation This dust collector is designed for collecting wood dust from woodworking machines. The Model W1666 will draw up to 1550 CFM, and the Model W1685 will draw up to 1280 CFM. The dust collectors are not designed to be used as central whole-house vacuums. Central vacuum systems and woodshop dust collection systems have completely different vacuum pumps and are not interchangeable. For safe operation and the best dust collection results, please follow the rules below: • ALWAYS wear a NIOSH approved respirator to help protect yourself from the respiratory dangers caused by the inhalation of fine dust. Dust collectors do not eliminate the fine, and most harmful, dust from the workshop. • DO NOT collect metal pieces, glass, or liquid with this dust collector. It is intended for collecting wood dust only (Figure 25). Metal pieces may spark when they contact the impeller and cause a fire. • USE a 4" dust collection hose that is as short as possible. Remember, the longer the hose, and the more bends in the ducting, the less CFM your dust collector will draw. • LIMIT the use of 90. elbows or 45. elbows. These fittings will decrease the overall efficiency of the dust collector. • GROUND your dust collection hose to protect against unpleasant static shock, and in the worst case, an accidental fire. OPERATIONS W1666, W1685 Dust Collectors MAINTENANCE MAINTENANCE General Make a habit of inspecting your dust collector each time you use it to ensure optimum performance. Check for the following conditions and repair or replace when necessary: • Worn or damaged switch, switch-safety key, electrical cords and plugs. • Loose mounting bolts, loud rubbing, vibration or tapping noises coming from motor or impeller housing. • Clogged, frayed, or leaking dust collection bags. • Any other condition that can cause an unsafe condition. Lubrication All bearings are sealed and permanently lubricated, no lubrication is required. Emptying Collected Dust The lower bag on the dust collector should be emptied when it becomes 2.3 to 3.4 full. 1. ALWAYS WEAR A RESPIRATOR WHEN EMPTYING DUST COLLECTION BAGS (see Figure 26). 2. Shake the upper bag and let the dust inside settle for a few minutes. 3. Loosen the latch clamp holding the bag. 4. Take the bag off of the collector body and close up the opening. 5. Place a garbage bag over the opening of the collection bag. Invert both bags to empty. 6. Clean or reinstall the bag on the dust collector. Collector Bag Cleaning Emptying the collector bag exposes you to harmful dust. Always wear a respirator and safety goggles when emptying the collector bag! Figure 26. Wearing a respirator and safe- ty goggles for personal dust protection. MAKE SURE that your machine is unplugged during all maintenance pro- cedures! If this warning is ignored, seri- ous personal injury may occur. The lower dust storage bag is intended to be cleaned by simply emptying it. Once a year under heavy use, hand wash in cold water with a mild soap, and hang dry only. DO NOT wash bags in a laundry machine or tumble dry. -20 W1666, W1685 Dust Collectors Troubleshooting This section covers the most common dust collector problems. DO NOT make any adjustments until the dust collector is unplugged and moving parts have come to a complete stop. SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Motor will not start, or it growls on start up. 1. Power supply fuse or circuit breaker has tripped. 2. Toggle switch is broken inside. 3. Start capacitor is at fault. 4. Motor fan cover is dented, stopping the fan from being able to spin. 5. Motor is at fault. 1. Disconnect power, and inspect circuit for electrical shorts and repair. Replace circuit breaker if it is old or has tripped many times. 2. Disconnect power, and use an ohmmeter to check switch terminals for continuity, and replace switch if required. 3. Replace start capacitor. 4. Replace motor fan cover (and fan, if damaged). 5. Replace motor. Motor runs slower than normal. 1. Poor electrical connection. 2. Low power source voltage. 3. Motor is at fault. 1. Inspect the power supply for loose, corroded, or overheated electrical connections and repair. 2. Have the power source voltage checked; reduce the length of extension cord. 3. Replace the motor. Loud, repetitious noise, or excessive vibration coming from dust collector. 1. Dust collector is not on a flat surface and wobbles. 2. Impeller fan is damaged and...

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