Manual DeWalt DW739 T 3 (page 25 of 96) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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ENGLISH

Changing Speed

DW738 (FIG. 8A–8C)

Your DW738 bandsaw has two speeds. The low speed is obtained

with the drive belt on the small drive pulley (hh) (fig. 8B). The high speed

is obtained with the drive belt on the large drive pulley (ii) (fig. 8B). For

speed rates, refer to the technical data.

1. Slacken the motor location bolt (m) and move the motor to relax

the drive belt (fig. 8A).

2. Ease the drive belt from the wheel pulley and subsequently from

the drive pulley (hh) or (ii) (fig. 8B, 8C).

3. Reinstall the drive belt on the wheel pulley and the required drive

pulley (hh) or (ii).

4. Reposition the motor to obtain the correct drive belt tension and

secure the motor location bolt (m) (fig. 8A).

DW739 (FIG. 1, 9)

The speed of your DW739 bandsaw is infinitely variable over a wide

range (refer to the technical data).

With the motor running, turn the blade speed adjuster (n) to obtain the

desired speed (fig. 9).

WARNING: Do not force the speed adjuster beyond its

range.

Mounting and Adjusting the Rip Fence

(ﬁ g. 1, 10A–10E)

1. Mount a fence clamp piece (kk in fig. 10A) on each end of the

fence (j in fig. 1) using the M6 x 65 bolts (jj in fig. 10A) as shown

(fig. 10A, 10B).

2. Put a D6 washer on each of the bolts and screw the plastic knobs

(ll) onto the bolts (fig. 10C).

3. Slide the fence onto the table as shown (fig. 10D). Make sure that

the V-shaped lug (mm) engages in the groove in the table (fig. 10E).

4. To set the fence, slacken the knobs (ll) and slide the fence into the

desired position using the scale on the table (fig. 10C).

5. Secure the fence in position by first tightening the front knob, then

the rear knob. This ensures that the fence is aligned with the blade.

Range of Bandsaw Blade Available

(Recommended Blades)

(overall length 2095 mm)

TYPE OF

BLADE

PITCH

(mm)

WIDTH

(mm)

USAGE

DT8480QZ 4.2 3.0

Wood – Fretsaw

blade

DT8481QZ 4.2 12.0

Wood – General

purpose

DT8482QZ 6.4 16.0 Wood – Thick cuts

DT8483QZ 3.2 6.0 Wood – Contour cuts

DT8484QZ 1.8 6.0

Metal – Non-ferrous –

thin material

DT8485QZ 3.2 12

Metal – Non-ferrous –

thick material

DT8486ZQ 3.2 10.0

Wood - Formica and

laminates

OPERATION

WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect tool from power

source before making any adjustments or removing/

installing attachments or accessories. An accidental

start-up can cause injury.

Instructions for Use

WARNING:

• Always observe the safety instructions and applicable

regulations.

• Do not force the cutting action. Allow the motor to reach

full speed before cutting.

• Select an appropriate saw blade.

• Never run the machine without the guards in place.

• Do not overtension the blade.

The attention of UK users is drawn to the “woodworking machines

regulations 1974” and any subsequent amendments.

Ensure the machine is placed to satisfy your ergonomic conditions in

terms of table height and stability. The machine site shall be chosen so

that the operator has a good overview and enough free surrounding

space around the machine that allows handling of the workpiece

without any restrictions.

To reduce effects of vibration make sure the environment temperature

is not too cold, machine and accessory is well maintained and the

workpiece size is suitable for this machine.

Turn the knob (k) in order to properly adjust the height of the blade

guard.

Switching On and Off (ﬁ g. 5A)

For reasons of security, the On/Off switch (a) works only with the safety

key (b) inserted. It also offers a no-volt release function: should the

power be shut off for some reason, the switch has to be deliberately

reactivated.

To operate

• I = ON

The tool now works in continuous operation.

• 0 = OFF

For safety reason the hinged cover is equipped with electrical interlock

switch. Please close and lock the cover carefully then otherwise the

machine will not run.

Basic Saw Cuts

Always position the blade guard approximately 10 mm above the

surface of the workpiece.

RIPPING (FIG. 11)

1. Install the rip fence as described above.

2. Set the rip fence for the width of cut required by using the scale.

3. Slowly feed the workpiece into the blade, keeping it firmly pressed

onto the table and against the fence. Allow the teeth to cut and do

not force the workpiece through the blade. The blade speed should

be kept constant.

WARNING: Always use a push stick. Always switch off the

tool when work is finished and before unplugging.

BEVEL CUTS (FIG. 12)

1. Set the table to the required angle.

2. When performing bevel cuts ensure that the rip fence is fixed on

the lower side of the table.

3. Proceed as for ripping.

FREEHAND CUTS

Freehand cuts are performed without the help of a fence.

WARNING:

• Do not attempt to cut curves smaller than the blade will

allow.

• Whenever possible, connect a dust extraction device

designed in accordance with the relevant regulations

regarding dust emission.

MAINTENANCE

Your DEWALT power tool has been designed to operate over a long

period of time with a minimum of maintenance. Continuous satisfactory

operation depends upon proper tool care and regular cleaning.

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DeWalt DW739 T 3 Manual

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