Bosch 3931A - Manual (Page 7)

2. Grasp a new dust bag at the flange. Push it
over the bottom of the connection piece first
and then over the catch on the top of the
connection piece. Make sure that the full
length of the dust bag faces against the
inner wall of the canister (Fig. 2).
3. Re-attach the control unit.
4. Lock the canister latches.
REMOVING THE DUST BAG
1. Unlock the canister latches and remove the
control unit.
2. Pull the dust bag away from and off of the
connection piece.
3. Close the opening in the dust bag by folding
down the lid
4. Remove bag and dispose of properly.
REMOVING THE FILTER CARTRIDGES
1. First, clean the filters by setting the mode
selector switch to the PULSE-CLEAN™
mode, which takes only 10 seconds.
2. To open the filter access compartment, use
a coin to rotate the filter compartment lock
by 1/4 turn in the direction of the arrow and
push the lock in.
3. Lift up the top section of the control unit.
4. Grasp the filter cartridge by the fins, pull up
and remove.
Replace a damaged filter cartridge immediately.
THOROUGH CLEANING OF THE
FILTER CARTRIDGES
If necessary, the filter cartridges can also be
cleaned with a soft brush and can also be
washed with water.
REPLACING THE FILTER CARTRIDGES
1. Insert new or cleaned filter cartridge and
ensure firm seating.
2. Lower the top section down again.
3. With slight pressure from the top of the
control unit, the filter compartment lock will
snap back again.
CLEANING THE MOTOR
PROTECTION FILTERS
The motor protection filters are mostly
maintenance-free. If the motor filters are dirty,
it may indicate that the filter cartridges are
damaged and need to be replaced. If the motor
filters need cleaning, take out the motor
protection filters from time to time and wash
them. Allow them to dry thoroughly before
reinserting.
REMOVING THE MOTOR
PROTECTION FILTERS
1. To open the filter access compartment, use
a coin to rotate the lock by 1/4 turn in the
direction of the arrow and push the lock in.
2. Lift up the top section.
3. Grasp the filter, pull up and remove.
REPLACING THE MOTOR
PROTECTION FILTERS
(See Figure 4.)
1. Insert clean motor protection filters and
ensure firm seating.
2. Lower the top section.
3. With slight pressure from the top of the
control unit, the filter compartment lock will
snap back again.
WAND STORAGE
The wands from the optional VAC011 wand kit
can be stored in the recesses at the bottom of
the rear of the container. See Figure 1.
-7-
FILTER
CARTRIDGE
CONTROL UNIT TOP
SECTION
CONTROL UNIT
BOTTOM SECTION
MOTOR PROTECTION
FILTER
FILTER
COMPARTMENT
LOCK
FIG. 4
BM 1609929K45 08-06 8/14/06 11:42 AM Page 7