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Operating instructions – Bosch 3931 User Manual

Page 9

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Operating Instructions

The vacuum cleaner has four operating
modes:

• Normal Vacuuming Mode

• Power Tool Activation Mode

• Pulse-Clean Filter Cleaning Mode

• Pulse-Clean Filter Cleaning Combined

with Power Tool Activation Mode

Avoid accidental starting.
Be sure vacuum and tool

switches are OFF before plugging in or
putting vacuum switch into power tool
activation mode or filter cleaning mode.
Do not keep power tool plugged into the
vacuum cleaner’s power tool outlet
during normal vacuuming.
Plugging in
vacuums or tools that have the switch ON
invites accidents.

Not suitable to vacuum
hazardous or toxic

substances or dusts e.g. asbestos. The
filters will not be able to capture all particles
and may exhaust them back into the
environment.

NORMAL VACUUMING MODE

Switching the Unit On: Set mode selector
switch to ON.

Switching the Unit Off: Set mode selector
switch to OFF.

POWER-TOOL ACTIVATION MODE

Never connect a tool with
a rating greater than the

amperes listed on the receptacle. This
vacuum has a power tool outlet for use in
conjunction with other appliances such as
sanders, jigsaws and planers; tools with
ratings greater ratings may cause a fire.

1. Check power tool nameplate for

acceptable amperage rating. Only tools
with rated at 7.2 amps or less should be
connected to the vacuum cleaner.

2. Make sure the power tool is switched off,

and then plug it in.

3. Set the mode selector switch to POWER

TOOL ACTIVATION position.

4. When the power tool is switched on, the

power tool automatically switches on the
vacuum cleaner.

Switching The Vacuum Cleaner ON: When
the power tool is switched on, the vacuum
cleaner automatically switches on.

In the Power Tool Activation Mode or
Pulse-Clean Mode combined with Power
Tool Activation, the vacuum cleaner power is
set at 4.8 amps. In the normal vacuuming
and normal PULSE-CLEAN mode, the power
is 11.1 amps.

!

WARNING

!

WARNING

!

WARNING

FIG. 5

GROUNDED OUTLET

(OUTLET COVER)

BM 2610919254 12/02 12/18/02 10:52 AM Page 9