Hilti DCH 300 Manual de usuario

DCH 300

Bedienungsanleitung de

Operating instructions en

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Istruzioni d’uso it

Manual de instrucciones es

Manual de instruções pt

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Käyttöohje fi

ΟΟδδηηγγιιεεςςχχρρηησσεεωωςς

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DCH 300 diamond cutter

It is essential that the operating instructions

are read before the machine is operated for

the first time.

Always keep these operating instructions

together with the machine.

Ensure that the operating instructions are

with the machine when it is given to other

persons.

Contents Page

1. General information 19

2. Description 20

3. Accessories, consumables 23

4. Technical data 23

5. Safety rules 24

6. Before use 29

7. Operation 31

8. Care and maintenance 32

9. Troubleshooting 33

10. Disposal 34

11. Manufacturer’s warranty 34

12. EC declaration of conformity 35

1These numbers refer to the corresponding illustra-

tions. The illustrations can be found on the fold‐out

cover pages. Keep these pages open while studying

the operating instructions.

In these operating instructions, the designation “the

power tool” always refers to the DCH 300 diamond

cutter.

Operating controls and indicators 1

@Spindle lockbutton

;Front grip

=On / off switch

%Switch‐on interlock release button

&Diamond cutting disc

(Spindle

)Guard (hood)

+Guide wheels

§Clamping nut wrench, 24 mm AF / 10 mm AF

/Hex. socket wrench, 6 mm AF

:Guard (hood) clamping screw

·Dust removal connector cap

$Service indicator

£Theft protection indicator (option)

DCH 300 mounting system for diamond cutting

discs 2

|Reversible flange 60 mm dia.

¡Clamping flange, 60 mm dia.

QClamping nut, M16 x 1.5

DCH 300 mounting system for synthetic resin‐bon-

ded fiber‐reinforced abrasive cutting discs (op-

tional) 3

WReversible flange 80 mm dia.

E300 mm dia. synthetic resin‐bonded fiber‐rein-

forced cutting disc

RClamping flange, 80 mm dia.

TClamping nut, M16 x 1.5

Hood extension with depth gauge (optional) 4

ZHood extension

UHook

IStop

OCutting depth sliding indicator

PCutting depth scale

1. General information

1.1 Safety notices and their meaning

DANGER

Draws attention to imminent danger that could lead

to serious bodily injury or fatality.

WARNING

Draws attention to a potentially dangerous situation

that could lead to serious personal injury or fatality.

CAUTION

Draws attention to a potentially dangerous situation

that could lead to slight personal injury or damage to

the equipment or other property.

NOTE

Draws attention to an instruction or other useful

information.

1.2 Explanation of the pictograms and other

information

Warning signs

General

warning Warning:

electricity

Obligation signs

Wear a hard

hat. Wear eye

protection. Wear ear

protection. Wear

protective

gloves.

Wear safety

shoes. Wear

breathing

protection.

Symbols

Read the

operating

instructions

before use.

Return waste

material for

recycling.

Amps Volts

Alternating

current Revolutions

per minute Diameter Double

insulated

Location of identification data on the machine

The type designation and serial number can be found

on the type identification plate on the machine. Make

a note of this data in your operating instructions and

always refer to it when making an enquiry to your

Hilti representative or service department.

Type:

Serial no.:

2. Description

2.1 Use of the product as directed

The DCH 300 is an electrically powered diamond cutter for professional use in the construction industry.

It is designed for cutting mineral materials with diamond discs without use of water.

When cutting mineral materials, a dust removal system equipped with the corresponding filter must be used,

e.g. the Hilti VCU 40, VCU 40‑M or VCD 50 vacuum cleaner.

In order to avoid electrostatic effects, a vacuum cleaner equipped with an antistatic hose should be used.

Use only diamond cutting discs approved for use at a peripheral speed of at least 80 m/sec.

The power tool is to be used exclusively in pushing mode (counter rotation).

The use of liquids, e.g. to cool the disc or suppress dust, is not permissible.

Do not use the power tool for cutting with cutting tools of a type not specified in these operating instructions

(e.g. circular saw blades) or for grinding.

When equipped with synthetic resin‐bonded fiber‐reinforced abrasive cutting discs, the power tool can also be

used for cutting metals. For this application, use only synthetic resin‐bonded fiber‐reinforced abrasive cutting

discs approved for use at a peripheral speed of at least 80 m/sec.

The working environment may be as follows: construction site, workshop, renovation, conversion or new

construction.

To avoid the risk of injury, use only genuine Hilti accessories and cutting tools.

Observe the safety rules and operating instructions for the accessories used.

Observe the information printed in the operating instructions concerning operation, care and maintenance.

The machine is designed for professional use and may be operated, serviced and maintained only by trained,

authorized personnel. This personnel must be informed of any special hazards that may be encountered. The

machine and its ancillary equipment may present hazards when used incorrectly by untrained personnel or

when used not as directed.

The machine may be used only in a dry environment.

The machine may be operated only when connected to a power supply providing a voltage and frequency in

compliance with the information given on its type identification plate.

Do not use the machine where there is a risk of fire or explosion.

Working on materials hazardous to the health (e.g. asbestos) is not permissible.

Modification of the machine or tampering with its parts is not permissible.

2.2 Switches

On/off switch with switch‐on interlock

2.3 Starting current limitation

The starting current drawn by the power tool is several times higher than its rated current. The electronic

starting current limiter reduces the starting current drawn by the power tool and thus prevents the mains fuse

blowing. It also allows the power tool to start smoothly, without a jolt.

2.4 Restart interlock

The power tool does not restart by itself after an interruption in the electric supply. The switch must first be

released and then pressed again after approx. 1 second.

2.5 TPS theft protection system (optional)

The power tool may be optionally equipped with the TPS theft protection system. If equipped with this feature,

the power tool can be unlocked and made ready for operation only through use of the corresponding TPS key.

2.6 LED indicators

Service indicator LED (see section “Care and maintenance”)

Theft protection system indicator (optional) (see section “Operation”)

2.7 Guard (hood) with guide wheels

Cutting and slitting work on stone may be carried out only when the power tool is equipped with a dust hood

with wheels.

2.8 Electronic overload protection

The electronic overload protection system monitors current input and thus protects the power tool from

overload.

If the motor is overloaded through application of excessive working pressure, the power tool’s performance

drops noticeably or it may come to a complete standstill. A standstill should be avoided.

Permissible overload cannot be given as a specific value as it depends on the temperature of the motor.

If the power tool has been overloaded, release the pressure applied and then allow it to run under no load for

approx. 30 seconds.

2.9 Using extension cords

Use only extension cords of a type approved for the application and with conductors of adequate gauge. The

power tool may otherwise lose performance and the extension cord may overheat. Check the extension cord

for damage at regular intervals. Replace damaged extension cords.

Recommended minimum conductor gauge (cross section) and max. cable lengths

Conductor cross section 1.5 mm²2mm²2.5 mm²3.5 mm²

Mains voltage 100V ‐30 m ‐50 m

Mains voltage 110‐120 V 20 m ‐40 m ‐

Mains voltage 220‐240 V 30 m ‐50 m ‐

Do not use extension cords with a conductor cross section of less than 1.5 mm².

2.10 Using extension cords outdoors

When working outdoors, use only extension cords that are approved and correspondingly marked for this

application.

2.11 Using a generator or transformer

This tool may be powered by a generator or transformer when the following conditions are fulfilled: The unit

must provide a power output in watts of at least twice the value printed on the type identification plate on

the power tool. The operating voltage must remain within +5% and ‐15% of the rated voltage at all times,

frequency must be in the 50 – 60 Hz range and never above 65 Hz, and the unit must be equipped with

automatic voltage regulation and starting boost.

Never operate other power tools or appliances from the generator or transformer at the same time. Where

applicable, use a generator or transformer designed for simultaneous power tool and vacuum cleaner operation.

Switching other power tools or appliances on and off may cause undervoltage and / or overvoltage peaks,

resulting in damage to the power tool.

2.12 Depth gauge (optional)

The power tool can be fitted with an optional depth gauge. This improves dust removal performance for cutting

mineral materials. The maximum cutting depth can be set with the aid of the cutting depth scale on the hood

extension.

2.13 The items supplied as standard include:

1 Power tool with DCH‑EX 300 hood

1 Reversible flange 60 mm dia.

1 Clamping flange, 60 mm dia.

1 Clamping nut, M16 x 1.5

1 Clamping nut wrench, 24 mm AF / 10 mm

1 Hex. socket wrench, 6 mm AF

1 Cardboard box

1 Operating instructions

2.14 Cutting disc specifications

Diamond cutting discs in compliance with the requirements of EN 13236 are to be used with the power tool.

Synthetic resin‐bonded fiber‐reinforced cutting discs in compliance with EN 12413 (straight, not offset, type

41) may also be used with this power tool for working on metals. In this case, the appropriate DCH 300 ABR

disc mount (see accessories) must be used with the power tool.

The mounting instructions issued by the disc manufacturer must also be observed.

3. Accessories, consumables

DCH 300 ABR disc mount 212259, Reversible flange

Ø80 mm, clamping flange

Ø80 mm, clamping nut M16 x 1.5

Depth gauge for the DCH 300 212131

Vacuum cleaner VCU 40, VCU 40‑M, VCD 50

Antistatic hose, complete Length 5 m, Ø36

Hilti toolbox

DCH 300

Disc type Specification Material

Diamond cutting disc DCH‑D 305 C1 Concrete

Diamond cutting disc DCH‑D 305 C2 Hard concrete

Diamond cutting disc DCH‑D 305 M1 Masonry, sand‐lime block

Diamond cutting disc DCH‑D 305 C10 Concrete (Economy Line

disc)

Diamond cutting disc DCH‑D 305 M10 Masonry (Economy Line

disc)

4. Technical data

Right of technical changes reserved.

Rated voltage 110 V 220 V 230 V 230 V / CH 240 V

Rated power

input 2,300 W 2,600 W 2,600 W 2,250 W 2,600 W

Rated current

input 22.5 A 12.5 A 12.1 A 10 A 11.7 A

Mains fre-

quency

50 Hz 50…60 Hz 50…60 Hz 50 Hz 50 Hz

Other information about the power tool DCH 300

Dimensions 705 mm x 240 mm x 235 mm

Drive spindle thread M 16 X 1.5

Disc arbor size 22.2 mm

25.4 mm

Cutting disc ØMax. 305 mm

Cutting disc thickness Max. 3.5 mm

Weight in accordance with EPTA procedure 01/2003 9.4 kg

Protection class Protection class I (grounded) or protection class II

(double insulated). See type identification plate.

Rated speed under no load Max. 4,900 r.p.m.

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