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4. Make sure the vacuum bag strap is adjusted to allow a free flow of air from the vacuum bag elbow tube (Fig. 19). If the bag is kinked, the tool will not operate properly. WARNING: To avoid serious personal injury, do not wear loose fitting clothing or articles such as scarves, strings, chains, ties, etc., because they could get drawn into the air intake. Also make sure long hair does not get drawn into the air intake. Long hair must be pulled back and secured off shoulders and neck. Fig. 19 H