NuTone SFDB-DC - Manual (Page 4)

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3. WHEN TO CHANGE BAG
With a 6 U.S. Gallons capacity, under normal conditions the bag requires
changing approximately twice a year. If the bag is filled, you will notice a complete
loss of vacuum in the system. Unless this loss of vacuum is caused by a blockage
in the system, changing the bag will solve the problem.
NOTE: Even if not filled to capacity, if the bag seems tightly stretched when
removing the debris pail, changing the bag will prevent it from tearing.
4. BAG REPLACEMENT
1. To remove the disposable bag, release both latches
on sides of the unit by pulling out and then
pushing up. Remove the pail from unit. Grasp the
edges of the bags’ collar and pull down. The bag
will slide off easily. Do not pull on the bag.
2. Unfold new bag.
3. Grasp collar where indicated on the bag and insert
over bag adapter. Be careful not to tear the bag.
Ensure that the collar is positioned between the
taper ring and the bag stopper on the bag adapter
(see illustration below). Put the pail back in its place.
NOTE : A set of 3 replacement bags (model 391) may be purchased from you local
NuTone Sales Outlet. To locate your nearest NuTone Sales Outlet, call toll
free 1-888-336-3948.
AA0004
AO0032
AO0026
B AG STOPPER
T APER RING