BM 2610022228 04-12_BM 2610022228 04-12.qxp 4/12/12 10:52 AM Page 7

•The VAC013 paper bags should not be used when wet vacuuming because the water will cause the bag to come apart.

•The VAC023 plastic bags should not be used when wet vacuuming because the bag may tear when removed if it is fully loaded with liquid.

•See WET VACUUMING section for more information.

INSTALLING A DUST BAG

1.Unlock the canister latches and remove the control unit.

2.Properly position the rotary air valve for the dust collection to be used, according to (Fig. 4).

3.Grasp a new dust bag at the flange. Push it over the bottom of the internal port hose first and then over the catch on the top of the internal port hose. Make sure that the full length of the dust bag faces against the inner wall of the canister (Fig. 5).

4.Plastic bag only – If plastic bag is used, wrap the upper edge of the plastic bag over all four sides of the rim at the top of the

canister. Make sure that the plastic bag does not interfere with the canister latches.

5.Re-attach the control unit.

6.Lock the canister latches.

REMOVING THE DUST BAG

1.Unlock the canister latches and remove the control unit.

2.If plastic bag is used,

•First, remove hose and place hose port cap into hose port to contain dust.

•Second, gather the top of the bag from the rim of the canister, twist the top of the bag to seal the contents.

•Finally, tie off the bag with the connector tie that is attached to the side of the plastic bag.

3.Pull the dust bag away from and off of the internal port hose.

4.Close the opening in the dust bag by folding down the dust bag clip into opening.

5.Remove bag and dispose of properly.

FIG. 4

 

FIG. 5

DUST BAG

FLANGE

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Bosch Power Tools 3931A-PB manual Installing a Dust BAG, Removing the Dust BAG
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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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