Manual Felisatti DHF16 (page 5 of 32) (English, German, French, Italian, Portuguese, Spanish)

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Continuous use

Switching on: Press the On-/off switch J and then the locking

button K, after that release on-off switch J.

Switching off: Press the On-/off switch J and then release. The

speed can be controlled continuously during the operation by

adjusting nger pressure on the On-/off switch.

OPERATION

1. Hammer-drilling

Set the following adjustments before starting work:

- Lever E over hammer gure for Hammerdrilling operation.

- Clockwise rotation.

2. Fit the drill.

3. Place the drill against the material before switching it on,

press it until the lengthways play is taken up,

then switch on and work exerting light pressure (e.g. 30N).

Note Exerting greater pressure does not increase the

machine’s effectiveness!

Tips on drilling in masonry:

• Take the drill out of the hole from time to time to remove

dust.

• Switch to percussion-drilling for concrete, hard bricks

and tiles, stone and hard cement (but not when drilling the

surface of marble).

• For tiles, paving-stones, soft bricks and tiles, soft cement,

breeze-block and plaster, switch to normal

drilling.

• Use percussion carbide-tipped masonry drill-bits.

• When drilling a hard, smooth surface (e.g. tiles), cover the

point to be drilled with adhesive tape in order to prevent the

drill tip from skidding.

ACCESSORIES

Accessories and their corresponding order number can be

found in our catalogues.

MAINTENANCE AND CARE

WARNING-Always unplug the machine before carrying out

work on it.

- When you notice a decrease in hammer output, take the

machine to an Ofcial Service Centre.

- Tool inspection: Using a blunt cutting tool leads to less

efcient work and could damage the motor, there fore cutting

tools should be sharpened or replaced as soon as any wear

is noticed. Daily: Clean the tool holder.

- Inspect the mounting screws: Regularly inspect all the

mounting screws and ensure they are rmly tight-ened.

Should any screw be loose, tighten it immediately. Failure to

do so could put you at serious risk.

- Motor maintenance: Take the utmost care to ensure

that the motor winding is not damaged and does not become

damp with oil or water.

- Brush replacement: The brushes disconnect auto-

matically and should be replaced after 150-200 hours use or

when they are less than 10 mm long. Have them replaced by

an Ofcial Service Centre.

- Clean the machine thoroughly after each use with a

blast of dry air.

- The vents of the machine should be kept clear at all

times.

- Check that the mains lead is in good condition. If it is not,

take it to an Ofcial Service Centre to have it replaced.

- Use only Felisatti accessories and spares. The parts the

changing of which is not covered in this instruction manual,

chuck in the opposite direction of operation.

2. Changing the position of the auxiliary handle

1. Unscrew the auxiliary handle H in an anticlockwise

direction.

2. Turn the auxiliary handle H to the required position.

3. Screw the auxiliary handle H in place again.

3. Setting the depth gauge

Make sure before you start that drill-bit is inserted.

1. Slightly loosen the xing wing nut N.

2. Hold the bit tip against the work surface. Push the depth

gauge G against the work surface, to the same

depth as the length of the bit.

3. Read the value in mm off the scale on the depth gauge G

and subtract the required drill depth.

4. Tighten the xing wing nut N and adjust the resulting value

for the depth stop.

4. Mains connection

Warning! Connect only to a single-phase AC current supply

and only to the mains voltage specied on the rating plate.

Connection to sockets without earth protection is possible as

the appliance features protective class II insulation according

to European Standard EN50144. Radio interference

suppression complies with the European Standard EN

55014.

FUNCTIONS

1. Mechanical speed shift

Low speed: Lever F should be at sign I on the head

High speed: Lever F should be at sign II on the head.

Speed may be shifted with the machine on and in either

direction.

2. Electronic speed selection

The speed can be controlled in innitely variable steps

by adjusting nger pressure on the On-/off switch J. The

electronic regulation built-in the switch trigger J allows to

adjust the speed suitable for the material to be worked. It’s

advisable to start the drill at low speed so that the drill does

not move from the intended centre. On cast iron and high

strength steels, low speed is advisable. On plastics, timber,

aluminium, copper, soft bronze and brass, high speeds are

advisable.

3. Switching over between drilling and hammerdrilling (g. 1)

Hammer-drilling:

Changeover switch E in position, over hammer gure.

Drilling without hammer:

Changeover switch E in position, over bit gure .

Striking mechanism may be turned on while the machine is

running.

Use hard metal drill bits to work with concrete, stone and

rubblework.

Only ever switch over when the machine is stationary or

slowing down. Only ever operate the machine rotating

clockwise when drilling.

4. Switching between forward and reverse.

These models are provided with a reversing lever in the

switch which allows the drill to be used as an screwdriver.

Select direction of rotation with turn direction lever I as shown

on label O, i.e., R=right sense, L=left sense. Due to a lockout

mechanism, the turn direction lever I can only be switched

when the On-/off switch J is not depressed. Only enable the

turn direction lever I when the machine has stopped.

Only ever operate the machine rotating to the right when

hammer-drilling or when chiselling!

5. Switching the tool on and off Intermittent use

Switching on: Press trigger switch J.

Switching off: Release trigger switch J.

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Felisatti DHF16 Manual

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