DeWalt DWS778 Manuel de service télécharger pdf (Page 13)

ENGLISH

OPERATION

Instructions for Use

WARNING: Always observe the safety instructions and

applicable regulations.

WARNING: To reduce the risk of injury, turn unit off

and disconnect machine from power source before

installing and removing accessories, before adjusting

or changing set-ups or when making repairs. Be sure

the trigger switch is in the OFF position. An accidental

start-up can cause injury.

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 increased vibration, make sure the environment is

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

workpiece size is suitable for this machine.

Switching On and Off (ﬁ g. 1)

A hole (bb) is provided in the trigger switch (a) for insertion of a padlock

to lock the tool.

1. To run the tool, press the trigger switch (a).

2. To stop the tool, release the switch.

Use of XPS

LED Worklight System (ﬁ g. 1)

NOTE: The mitre saw must be connected to a power source.

The XPS

LED Worklight System (hh) is equipped with an on/off

switch (gg). The XPS

LED Worklight System is independent of the

mitre saw’s trigger switch. The light does not need to be on in order to

operate the saw.

To cut through an existing pencil line on a piece of wood:

1. Turn on the XPS

system, then pull down on the operating handle

blade will appear on the wood.

2. Align the pencil line with the edge of the blade’s shadow. You may

have to adjust the mitre or bevel angles in order to match the pencil

line exactly.

Body and Hand Position

Proper positioning of your body and hands when operating the mitre

saw will make cutting easier, more accurate and safer.

WARNING:

• Never place your hands near the cutting area.

• Place your hands no closer than 150 mm from the blade.

• Hold the workpiece tightly to the table and the fence

when cutting. Keep your hands in position until the

switch has been released and the blade has completely

stopped.

• Always make dry runs (without power) before finish

cuts so that you can check the path of the blade.

• Do not cross your hands.

• Keep both feet firmly on the floor and maintain proper

balance.

• As you move the saw arm left and right, follow it and

stand slightly to the side of the saw blade.

Basic Saw Cuts

VERTICAL STRAIGHT CROSS-CUT (FIG. 1, 2, 17)

NOTE: Use 250 mm saw blades with 30 mm arbor holes to

obtain the desired cutting capacities.

1. Raise the saw head (y) to its highest position by pushing down on

the saw head (y) and pulling out the lock-down button (w). Release

the downward pressure and allow the saw head to rise to its full

height.

2. Squeeze the mitre latch (m) then move the arm to the 0° position.

3. Release the mitre latch.

4. Always ensure that the mitre latch is locked tightly before cutting.

5. Place the wood to be cut against the sliding fence (q) and secure it

with the material clamp (ff).

6. Take hold of the operating handle (c) and press the guard lock-up

release lever (b) to release the guard. Press the trigger switch (a) to

start the motor. It is recommended to start the cut near the fence.

7. Depress the head to allow the blade to cut through the timber and

enter the plastic kerf plate (k).

8. After completing the cut, release the switch and wait for the saw

blade to come to a complete standstill before returning the head to

its upper rest position.

WARNING:

• For some types of plastic profiles, it is advisable to follow

the sequence in reverse order.

• The lower blade guard is designed to close quickly

when the lever (b) is released. If it does not, have the saw

serviced by an authorized D

EWALT repair agent.

PERFORMING A SLIDING CUT (FIG. 1, 2, 18)

1. Turn the saw head traverse lock (s) to loosen.

2. Push down the saw head (y), pull out the lock-down button (w) and

let the saw head rise to it’s highest position.

3. Place the wood to be cut against the sliding fence (q) and secure it

with the material clamp (ff).

4. Lower the saw head then pull it to the end of its travel.

5. Press the guard lock-up release lever (b) to release the guard.

Press the trigger switch (a) to start the motor.

6. Totally depress the head to allow the blade to cut through the

timber and push the head back to complete the cut.

7. After completing the cut, release the switch and wait for the saw

blade to come to a complete standstill before returning the head to

its upper rest position.

WARNING: Remember to lock the saw head in the rear

position when the sliding cuts are finished.

VERTICAL MITRE CROSS-CUT (FIG. 1, 19)

1. Squeeze the mitre latch (m). Move the arm left or right to the

required angle.

2. The mitre latch will automatically locate at 0°, 15°, 22.5°, 31.62°,

45° and 50° both left and right. If any intermediate angle is required

hold the head firmly and lock by fastening the mitre latch.

3. Always ensure that the mitre latch is locked tightly before cutting.

4. Proceed as for a vertical straight cross-cut.

WARNING: When mitring the end of a piece of wood

with a small off-cut, position the wood to ensure that the

off-cut is to the side of the blade with the greater angle to

the fence, i.e.:

left mitre, off-cut to the right

right mitre, off-cut to the left

BEVEL CROSS-CUTS (FIG. 11, 14, 20)

Bevel angles can be set from 0° to 48° to the left. Bevels up to 45°

can be cut with the mitre arm set between zero and a maximum of 45°

mitre position right or left.

1. Unlock the sliding fence lever (i) and move the fence away from the

blade.

2. Loosen the bevel clamp handle (t) and set the bevel as desired.

3. Set the override button (cc) if required.

4. Hold the head firmly and do not allow it to fall.

5. Tighten the bevel clamp handle (t) firmly.

6. Slide the fence towards the blade making sure it does not touch

the blade, then tighten the fence lock lever by turning clockwise.

7. Proceed as for a vertical straight cross-cut.

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DeWalt DWS778 Manuel de service Page 13

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