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RIDGID WD45500 Owner's Manual: Vacuuming Dry Materials; Vacuuming Liquids; Emptying The Dust Drum; Cord Storage

4.5 u.s. gallons/15 liters pro pack wet/dry vac.
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SP6734 RIDGID WD45500 4.5 Gallon
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

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.
WARNING: Do not operate
without filter cage and float, as they
prevent liquid from entering the
impeller and damaging the motor.
3. When the liquid in the drum reaches a
predetermined level, the float mech-
anism 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
4. After using the Vac to pick up liquids,
the filter must be dried to avoid
possible mildew and damage to the
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Page 11
IMPORTANT: To avoid damage to the
Vac, do not run motor with float in raised

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
Drum Latches
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 9.



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