Manual Carat A-20 (page 14 of 32) (English, German, Dutch, French, Italian, Spanish)

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Due to continuous product development and technical

improvements, technical information may be changed

without prior notice.

MAIN PARTS

1. Spade grip / Pistol grip

2. Switch

3. Water level

4. Overload indication

5. Auxiliary handle

6. Carbon brushes

7. Gear switch

8. Drill connection

9. Collar

10. Spanner insert

11. Water connection (wet drilling)

12. Dust extraction (dry drilling)

13. Residual-current device (PRCD)

14. Fix button drill bit

15. Pilot drill

16. Dustec ® dustextraction

INTENDED USE

AB C

This is an insulated diamond core drilling machine

for WET use in combination with diamond core dril-

ling for drilling holes in stony materials and concrete. The

drilling machine can be used manually as well as in combi-

nation with a drill platform. This machine is suited for right

as well as left handed personel.

AB C

This is a double-isolated diamond core drill machine

for DRY use in combination with diamond core drills

for drilling holes in brick/ block and masonry. The machine

may not be used for wet drilling and is not suitable for use

with diamond core drills which must be cooled by water.

POWER SUPPLY

The drill machine may only be connected to the voltage

which is stated on the type illustration and only works with

1-phase. The machine is insulated according to European

Guidelines and consequently may only be used via a trip

switch (PRCD) with an under voltage safety level of < 10

mA on an earthed electrical mains.

The drill machine may only be connected to the vol-

tage which is stated on the serial plate and only works

with 1-phase AC. The machine is double isolated ac-

cording to European Guidelines and can therefore also be

connected contact boxes without mass cable / earthing.

SAFETY INSTRUCTIONS

• Always use the extra side handle and always hold the

drill machine with both hands

• Always use the machine under supervision. Keep hands

way from rotating parts

• Double-check that the diamond drill is correctly assem-

bled

• Before use, check that all screws are rmly in place.

Because of vibrations caused during drilling, screws can

work loose and cause damage or injury

• After use, do not touch metal parts of the drill machine

and the diamond drill; this could be hot and cause burns.

• Ensure that the drill machine does not start rotating by

accident; always disengage the switch when discon-

necting from the power source, or if there is an interrup-

tion to the power supply

A-1801(D) • A-1811 • A-1821

A-2011 • A-2012 • A-2031 • A-2032

A-2211 • A-2212 • A-2231 • A-2232

Attention: Because of the high torque in the lowest gear,

we strongly advise you not to drill by hand in the lowest

gear. If the diamond drill suddenly gets stuck there is a

high risk that the user will get hurt. Use lowest gear only in

combination with a drill rig.

PRCD SWITCH

IF APPLICABLE

The machine electrical cable is equipped with a PRCD

switch which protects the operator against electrocution.

As soon as the drilling machine is plugged in, the PRCD

should be started up by pressing on the (green) -RESET-

button. If the PRCD is switched o󰀨 , the -RESET- button

must be pressed again.

Note:

• The PRCD and the electrical cable should never come in

contact with water.

• Check the PRCD by pressing the -TEST button before

use.

• Never use the diamond drilling machine without a pro-

perly functioning PRCD.

• Never replace the standard plug with another type of

plug.

WORKING PROCES

If drilling is done by hand, initially the drill should never be

applied perpendicular to the material (the drill may start

‘spinning’). Spinning is prevented by drilling the rst cen-

timeter / 0,5 inch at an angle of 30 degrees. Then the drill

can be slowly brought to the desired position.

In order to centre without problems, it is advised to use a

pilot drill. Once the pilot drill is removed, the drill can be

placed in the pre-drilled hole.

Tips

• Diamond drills which are not precisely circular cause ex-

tra burden to the bearings and the cogs.

• Switch on the machine only if the diamond drill can turn

freely.

• When changing the diamond drill, always use 2 span-

ners. Never use a hammer as this may damage the cogs.

Extra Side handle

The side handle can be loosened by hand to change its

position. After position is set , twist the handle again until

rm. By removing this handle, it is possible to mount the

drilling machine in a drilling rig.

Switching on/o󰀨

If the machine is provided with a switch with a x button,

with which the machine can be switch on/o󰀨 in 2 ways:

1 - Moment switch

Switch on; push in switch

Switch o󰀨; release switch

2 - Permanent switch

Switch on; push in switch and secure using x button (for

use in a drill standard)

Switch o󰀨; release switch and release again

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Carat A-20 Manual

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