BM 2610022228 04-12_BM 2610022228 04-12.qxp 4/12/12 10:52 AM Page 8

FIG. 6

FILTER

 

CARTRIDGE

 

CONTROL UNIT TOP

 

SECTION

FILTER

CONTROL UNIT

COMPARTMENT

BOTTOM SECTION

LOCK

 

 

MOTOR PROTECTION

 

FILTER

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.

INSTALLING THE FILTER CARTRIDGES

1.Insert new or cleaned filter cartridge and ensure firm seating.

2.Lower the top section of the control unit down onto the bottom section.

3.With slight pressure from the top of the control unit, the filter compartment lock will snap back into place.

CLEANING THE MOTOR

PROTECTION FILTERS

The motor protection filters are mostly maintenance-free. If the motor protection filters are dirty, it may indicate that the filter cartridges are damaged and need to be replaced. If the motor protection filters need cleaning, take out the motor protection filters and wash them. Allow them to dry thoroughly before reinserting.

REMOVING THE MOTOR

PROTECTION FILTERS (See Figure 6.)

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.

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.

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Bosch Power Tools 3931A-PB manual Removing the Filter Cartridges, Thorough Cleaning Filter Cartridges, Removing the Motor
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3931A-PB specifications

The Bosch Power Tools 3931A-PB is a versatile and efficient tool that caters to both professionals and DIY enthusiasts looking for reliability and performance in their projects. This powerful reciprocating saw is engineered to tackle a wide range of cutting tasks, making it a valuable addition to any toolbox.

One of the prominent features of the Bosch 3931A-PB is its robust 7.5 Amp motor, which delivers a high cutting speed of up to 2,700 strokes per minute. This impressive power enables users to cut through a variety of materials, including wood, metal, and plastics, with ease. The variable speed control feature allows for precise adjustments to the cutting speed depending on the material and application, enhancing both versatility and control.

The design of the Bosch 3931A-PB emphasizes user comfort and handling. It boasts an ergonomic grip that reduces fatigue during extended use, allowing users to work efficiently without discomfort. Additionally, the tool features an adjustable shoe that provides increased stability while cutting, enabling cleaner cuts in different materials.

Another noteworthy characteristic of the Bosch 3931A-PB is its unique blade change system. The tool incorporates a tool-less blade release mechanism, making it quick and easy to switch out blades for different applications without the need for additional tools. This efficiency saves time and streamlines the workflow for users.

Moreover, the Bosch 3931A-PB is equipped with a built-in LED light that illuminates the work area. This feature is especially beneficial for working in dimly lit conditions, ensuring that users can see their cutting line clearly. Additionally, the saw includes a dust blower that keeps the cutting line free from debris, enhancing visibility and accuracy during operation.

Safety is a paramount consideration in the design of the Bosch 3931A-PB. It includes a two-finger trigger switch that offers enhanced control, and the durable exterior is designed to withstand the rigors of job site use. The tool is also compatible with a wide array of blades, allowing users to expand its capabilities to suit their specific needs.

In summary, the Bosch Power Tools 3931A-PB is a high-performance reciprocating saw that combines power, comfort, and convenience. Its advanced features, including a powerful motor, variable speed control, tool-less blade changes, and integrated lighting, make it an ideal choice for anyone looking to tackle cutting tasks with efficiency and precision.
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