Bosch GGS 8 CE Professional: English

English: Bosch GGS 8 CE Professional

OBJ_BUCH-1269-004.book Page 10 Tuesday, May 17, 2011 4:15 PM

10 | English

Position Stellrad Leerlaufdrehzahl (min

-1

)

Deutschland

Robert Bosch GmbH

GGS 28 CE

GGS 8 CE

Servicezentrum Elektrowerkzeuge

GGS 28 LCE

Zur Luhne 2

1 10000 2500

37589 Kalefeld – Willershausen

2

12700 3600

Tel. Kundendienst: +49 (1805) 70 74 10*

3

16700 4600

Fax: +49 (1805) 70 74 11*

(*Festnetzpreis 14 ct/min, höchstens 42 ct/min aus Mobil-

4

19700 5700

funknetzen)

5

23500 6800

E-Mail: Servicezentrum.Elektrowerkzeuge@de.bosch.com

6

28000 8000

Tel. Kundenberatung: +49 (1803) 33 57 99

Arbeitshinweise

(Festnetzpreis 9 ct/min, höchstens 42 ct/min aus Mobilfunk-

netzen)

Bewegen Sie den Schleifkörper mit leichtem Druck gleichmä-

Fax: +49 (711) 7 58 19 30

ßig hin und her, um ein optimales Arbeitsergebnis zu erhalten.

E-Mail: kundenberatung.ew@de.bosch.com

Zu starker Druck verringert die Leistungsfähigkeit des Elek-

trowerkzeuges und führt zu schnellerem Verschleiß des

Österreich

Schleifkörpers.

Tel.: +43 (01) 7 97 22 20 10

Fax: +43 (01) 7 97 22 20 11

E-Mail: service.elektrowerkzeuge@at.bosch.com

Wartung und Service

Schweiz

Wartung und Reinigung

Tel.: +41 (044) 8 47 15 11

f Ziehen Sie vor allen Arbeiten am Elektrowerkzeug den

Fax: +41 (044) 8 47 15 51

Netzstecker aus der Steckdose.

Luxemburg

f Halten Sie das Elektrowerkzeug und die Lüftungsschlit-

Tel.: +32 (070) 22 55 65

ze sauber, um gut und sicher zu arbeiten.

Fax: +32 (070) 22 55 75

f Verwenden Sie bei extremen Einsatzbedingungen nach

E-Mail: outillage.gereedschap@be.bosch.com

Möglichkeit immer eine Absauganlage. Blasen Sie die

Lüftungsschlitze häufig aus und schalten Sie einen Feh-

Entsorgung

lerstrom-(FI-)Schutzschalter vor. Bei der Bearbeitung

Elektrowerkzeuge, Zubehör und Verpackungen sollen einer

von Metallen kann sich leitfähiger Staub im Innern des

umweltgerechten Wiederverwertung zugeführt werden.

Elektrowerkzeugs absetzen. Die Schutzisolierung des

Werfen Sie Elektrowerkzeuge nicht in den Hausmüll!

Elektrowerkzeugs kann beeinträchtigt werden.

Nur für EU-Länder:

Sollte das Elektrowerkzeug trotz sorgfältiger Herstellungs-

Gemäß der Europäischen Richtlinie

und Prüfverfahren einmal ausfallen, ist die Reparatur von ei-

2002/96/EG über Elektro- und Elektronik-

ner autorisierten Kundendienststelle für Bosch-Elektrowerk-

Altgeräte und ihrer Umsetzung in nationales

zeuge ausführen zu lassen.

Recht müssen nicht mehr gebrauchsfähige

Geben Sie bei allen Rückfragen und Ersatzteilbestellungen

Elektrowerkzeuge getrennt gesammelt und

bitte unbedingt die 10-stellige Sachnummer laut Typenschild

einer umweltgerechten Wiederverwertung

des Elektrowerkzeuges an.

zugeführt werden.

Kundendienst und Kundenberatung

Änderungen vorbehalten.

Der Kundendienst beantwortet Ihre Fragen zu Reparatur und

Wartung Ihres Produkts sowie zu Ersatzteilen. Explosions-

zeichnungen und Informationen zu Ersatzteilen finden Sie

auch unter:

English

www.bosch-pt.com

Das Bosch-Kundenberater-Team hilft Ihnen gerne bei Fragen

Safety Notes

zu Kauf, Anwendung und Einstellung von Produkten und Zu-

behören.

General Power Tool Safety Warnings

www.powertool-portal.de, das Internetportal für Handwer-

Read all safety warnings and all instruc-

ker und Heimwerker.

WARNING

tions. Failure to follow the warnings and in-

www.ewbc.de, der Informations-Pool für Handwerk und Aus-

structions may result in electric shock, fire and/or serious injury.

bildung.

Save all warnings and instructions for future reference.

The term “power tool” in the warnings refers to your mains-

operated (corded) power tool or battery-operated (cordless)

power tool.

3 609 929 C06 | (17.5.11) Bosch Power Tools

OBJ_BUCH-1269-004.book Page 11 Tuesday, May 17, 2011 4:15 PM

English | 11

Work area safety

f Dress properly. Do not wear loose clothing or jewel-

f Keep work area clean and well lit. Cluttered or dark areas

lery. Keep your hair, clothing and gloves away from

invite accidents.

moving parts. Loose clothes, jewellery or long hair can be

caught in moving parts.

f Do not operate power tools in explosive atmospheres,

such as in the presence of flammable liquids, gases or

f If devices are provided for the connection of dust ex-

dust. Power tools create sparks which may ignite the dust

traction and collection facilities, ensure these are con-

or fumes.

nected and properly used. Use of dust collection can re-

duce dust-related hazards.

f Keep children and bystanders away while operating a

power tool. Distractions can cause you to lose control.

Power tool use and care

Electrical safety

f Do not force the power tool. Use the correct power tool

for your application. The correct power tool will do the

f Power tool plugs must match the outlet. Never modify

job better and safer at the rate for which it was designed.

the plug in any way. Do not use any adapter plugs with

earthed (grounded) power tools. Unmodified plugs and

f Do not use the power tool if the switch does not turn it

matching outlets will reduce risk of electric shock.

on and off. Any power tool that cannot be controlled with

the switch is dangerous and must be repaired.

f Avoid body contact with earthed or grounded surfaces,

such as pipes, radiators, ranges and refrigerators.

f Disconnect the plug from the power source and/or the

There is an increased risk of electric shock if your body is

battery pack from the power tool before making any

earthed or grounded.

adjustments, changing accessories, or storing power

tools. Such preventive safety measures reduce the risk of

f Do not expose power tools to rain or wet conditions.

starting the power tool accidentally.

Water entering a power tool will increase the risk of electric

shock.

f Store idle power tools out of the reach of children and

do not allow persons unfamiliar with the power tool or

f Do not abuse the cord. Never use the cord for carrying,

these instructions to operate the power tool. Power

pulling or unplugging the power tool. Keep cord away

tools are dangerous in the hands of untrained users.

from heat, oil, sharp edges and moving parts. Damaged

or entangled cords increase the risk of electric shock.

f Maintain power tools. Check for misalignment or bind-

ing of moving parts, breakage of parts and any other

f When operating a power tool outdoors, use an exten-

condition that may affect the power tool’s operation. If

sion cord suitable for outdoor use. Use of a cord suitable

damaged, have the power tool repaired before use.

for outdoor use reduces the risk of electric shock.

Many accidents are caused by poorly maintained power

f If operating a power tool in a damp location is unavoid-

tools.

able, use a residual current device (RCD) protected

f Keep cutting tools sharp and clean. Properly maintained

supply. Use of an RCD reduces the risk of electric shock.

cutting tools with sharp cutting edges are less likely to bind

Personal safety

and are easier to control.

f Stay alert, watch what you are doing and use common

f Use the power tool, accessories and tool bits etc. in ac-

sense when operating a power tool. Do not use a power

cordance with these instructions, taking into account

tool while you are tired or under the influence of drugs,

the working conditions and the work to be performed.

alcohol or medication. A moment of inattention while op-

Use of the power tool for operations different from those

erating power tools may result in serious personal injury.

intended could result in a hazardous situation.

f Use personal protective equipment. Always wear eye

Service

protection. Protective equipment such as dust mask,

f Have your power tool serviced by a qualified repair per-

non-skid safety shoes, hard hat, or hearing protection

son using only identical replacement parts. This will en-

used for appropriate conditions will reduce personal inju-

sure that the safety of the power tool is maintained.

ries.

f Prevent unintentional starting. Ensure the switch is in

Safety Warnings for Straight Grinders

the off-position before connecting to power source

and/or battery pack, picking up or carrying the tool.

Safety Warnings Common for Grinding, Wire Brushing,

Carrying power tools with your finger on the switch or en-

Polishing or Carving:

ergising power tools that have the switch on invites acci-

f This power tool is intended to function as a grinder,

dents.

carving tool, polisher (GGS 8 CE) or wire brush

(GGS 8 CE). Read all safety warnings, instructions, il-

f Remove any adjusting key or wrench before turning

lustrations and specifications provided with this power

the power tool on. A wrench or a key left attached to a ro-

tool. Failure to follow all instructions listed below may re-

tating part of the power tool may result in personal injury.

sult in electric shock, fire and/or serious injury.

f Do not overreach. Keep proper footing and balance at

f Do not use accessories which are not specifically de-

all times. This enables better control of the power tool in

signed and recommended by the tool manufacturer.

unexpected situations.

Just because the accessory can be attached to your power

tool, it does not assure safe operation.

Bosch Power Tools 3 609 929 C06 | (17.5.11)

OBJ_BUCH-1269-004.book Page 12 Tuesday, May 17, 2011 4:15 PM

12 | English

f The rated speed of the accessory must be at least equal

piece allows you to use both hands to control the tool.

to the maximum speed marked on the power tool. Ac-

Round material such as dowel rods, pipes or tubing have a

cessories running faster than their rated speed can break

tendency to roll while being cut, and may cause the bit to

and fly apart.

bind or jump toward you.

f The outside diameter and the thickness of your acces-

f Position the cord clear of the spinning accessory. If you

sory must be within the capacity rating of your power

lose control of the power tool, the cord may be cut or

tool. Incorrectly sized accessories cannot be adequately

snagged and your hand or arm may be pulled into the spin-

controlled.

ning accessory.

f The arbour size of wheels, sanding drum or any other

f Never lay the power tool down until the accessory has

accessory must properly fit the spindle or collet of the

come to a complete stop. The spinning accessory may

power tool. Accessories that do not match the mounting

grab the surface and pull the power tool out of your control.

hardware of the power tool will run out of balance, vibrate

f After changing the bits or making any adjustments,

excessively and may cause loss of control.

make sure the collet nut, chuck or any other adjust-

f Mandrel mounted wheels, sanding drums, cutters or

ment devices are securely tightened. Loose adjustment

other accessories must be fully inserted into the collet

devices can unexpectedly shift, causing loss of control,

or chuck. The “overhang” or the length of the mandrel

loose rotating components will be violently thrown.

from the wheel to the collet must be minimal. If the man-

f Do not run the power tool while carrying it at your side.

drel is insufficiently held and/or the overhang of the wheel

Accidental contact with the spinning accessory could snag

is too long, the mounted wheel may become loose and

your clothing, pulling the accessory into your body.

ejected at high velocity.

f Regularly clean the power tool’s air vents. The motor’s

f Do not use a damaged accessory. Before each use in-

fan will draw the dust inside the housing and excessive ac-

spect the accessory such as abrasive wheels for chips

cumulation of powdered metal may cause electrical haz-

and cracks, sanding drum for cracks, tear or excess

ards.

wear, wire brush for loose or cracked wires. If power

f Do not operate the power tool near flammable materi-

tool or accessory is dropped, inspect for damage or in-

als. Sparks could ignite these materials.

stall an undamaged accessory. After inspecting and in-

stalling an accessory, position yourself and bystanders

f Do not use accessories that require liquid coolants. Us-

away from the plane of the rotating accessory and run

ing water or other liquid coolants may result in electrocu-

the power tool at maximum no-load speed for one

tion or shock.

minute. Damaged accessories will normally break apart

Kickback and related warnings

during this test time.

f Kickback is a sudden reaction to a pinched or snagged ro-

f Wear personal protective equipment. Depending on

tating wheel, backing pad, brush or any other accessory.

application, use face shield, safety goggles or safety

Pinching or snagging causes rapid stalling of the rotating

glasses. As appropriate, wear dust mask, hearing pro-

accessory which in turn causes the uncontrolled power

tectors, gloves and workshop apron capable of stop-

tool to be forced in the direction opposite of the accesso-

ping small abrasive or workpiece fragments. The eye

ry’s rotation at the point of the binding.

protection must be capable of stopping flying debris gen-

For example, if an abrasive wheel is snagged or pinched by

erated by various operations. The dust mask or respirator

the workpiece, the edge of the wheel that is entering into

must be capable of filtrating particles generated by your

the pinch point can dig into the surface of the material

operation. Prolonged exposure to high intensity noise may

causing the wheel to climb out or kick out. The wheel may

cause hearing loss.

either jump toward or away from the operator, depending

f Keep bystanders a safe distance away from work area.

on direction of the wheel’s movement at the point of pinch-

Anyone entering the work area must wear personal

ing. Abrasive wheels may also break under these condi-

protective equipment. Fragments of workpiece or of a

tions.

broken accessory may fly away and cause injury beyond

Kickback is the result of power tool misuse and/or incor-

immediate area of operation.

rect operating procedures or conditions and can be avoid-

ed by taking proper precautions as given below.

f Hold power tool by insulated gripping surfaces only,

when performing an operation where the cutting ac-

f Maintain a firm grip on the power tool and position your

cessory may contact hidden wiring or its own cord. Cut-

body and arm to allow you to resist kickback forces.

ting accessory contacting a “live” wire may make exposed

The operator can control kickback forces, if proper precau-

metal parts of the power tool “live” and could give the op-

tions are taken.

erator an electric shock.

f Use special care when working corners, sharp edges,

f Always hold the tool firmly during the start-up. The re-

etc. Avoid bouncing and snagging the accessory. Cor-

action torque of the motor, as it accelerates to full speed,

ners, sharp edges or bouncing have a tendency to snag the

can cause the tool to twist.

rotating accessory and cause loss of control or kickback.

f Use clamps to support workpiece whenever practical.

f Do not attach a thin toothed saw blade. Such blades cre-

Never hold a small workpiece in one hand and the tool

ate frequent kickback and loss of control.

in the other hand while in use. Clamping a small work-

3 609 929 C06 | (17.5.11) Bosch Power Tools

OBJ_BUCH-1269-004.book Page 13 Tuesday, May 17, 2011 4:15 PM

English | 13

f Always feed the bit into the material in the same direc-

Safety warnings specific for polishing operations

tion as the cutting edge is exiting from the material

(GGS 8 CE)

(which is the same direction as the chips are thrown).

f Do not allow any loose portion of the polishing bonnet

Feeding the tool in the wrong direction causes the cutting

or its attachment strings to spin freely. Tuck away or

edge of the bit to climb out of the work and pull the tool in

trim any loose attachment strings. Loose and spinning

the direction of this feed.

attachment strings can entangle your fingers or snag on the

f When using cut-off wheels, high-speed cutters or tung-

workpiece.

sten carbide cutters, always have the work securely

Safety warnings specific for wire brushing operations

clamped. These wheels will grab if they become slightly

(GGS 8 CE)

canted in the groove, and can kickback. When a cut-off

f Be aware that wire bristles are thrown by the brush

wheel grabs, the wheel itself usually breaks. When the

even during ordinary operation. Do not overstress the

steel saw, high-speed cutters or tungsten carbide cutter

wires by applying excessive load to the brush. The wire

grab, it may jump from the groove and you could lose con-

bristles can easily penetrate light clothing and/or skin.

trol of the tool.

f Allow brushes to run at operating speed for at least one

Additional safety instructions for grinding

minute before using them. During this time no one is to

f Use only wheel types that are recommended for your

stand in front or in line with the brush. Loose bristles or

power tool and only for recommended applications.

wires will be discharged during the run-in time.

For example: do not grind with the side of a cut-off

f Direct the discharge of the spinning wire brush away

wheel. Abrasive cut-off wheels are intended for peripheral

from you. Small particles and tiny wire fragments may be

grinding, side forces applied to these wheels may cause

discharged at high velocity during the use of these brushes

them to shatter.

and may become imbedded in your skin.

f For threaded abrasive cones and plugs use only undam-

Additional safety warnings

aged wheel mandrels with an unrelieved shoulder

flange that are of correct size and length. Proper man-

Wear safety goggles.

drels will reduce the possibility of breakage.

f Do not “jam” the cut-off wheel or apply excessive pres-

sure. Do not attempt to make an excessive depth of cut.

Overstressing the wheel increases the loading and suscep-

tibility to twisting or binding of the wheel in the cut and the

possibility of kickback or wheel breakage.

f Use suitable detectors to determine if utility lines are

hidden in the work area or call the local utility company

f Do not position your hand in line with and behind the

for assistance. Contact with electric lines can lead to fire

rotating wheel. When the wheel, at the point of operation,

and electric shock. Damaging a gas line can lead to explo-

is moving away from your hand, the possible kickback may

sion. Penetrating a water line causes property damage or

propel the spinning wheel and the power tool directly at

may cause an electric shock.

you.

f Release the On/Off switch and set it to the off position

f When wheel is binding or when interrupting a cut for

when the power supply is interrupted, e. g., in case of a

any reason, switch off the power tool and hold the pow-

power failure or when the mains plug is pulled. This pre-

er tool motionless until the wheel comes to a complete

vents uncontrolled restarting.

stop. Never attempt to remove the cut-off wheel from

the cut while the wheel is in motion otherwise kickback

f Secure the workpiece. A workpiece clamped with clamp-

may occur. Investigate and take corrective action to elimi-

ing devices or in a vice is held more secure than by hand.

nate the cause of wheel binding.

Products sold in GB only: Your product is fitted with a

f Do not restart the cutting operation in the workpiece.

BS 1363/A approved electric plug with internal fuse (ASTA

Let the wheel reach full speed and carefully re-enter

approved to BS 1362).

the cut. The wheel may bind, walk up or kickback if the

If the plug is not suitable for your socket outlets, it should be

power tool is restarted in the workpiece.

cut off and an appropriate plug fitted in its place by an author-

ised customer service agent. The replacement plug should

f Support panels or any oversized workpiece to minimize

have the same fuse rating as the original plug.

the risk of wheel pinching and kickback. Large work-

The severed plug must be disposed of to avoid a possible

pieces tend to sag under their own weight. Supports must

shock hazard and should never be inserted into a mains sock-

be placed under the workpiece near the line of cut and near

et elsewhere.

the edge of the workpiece on both sides of the wheel.

Products sold in AUS and NZ only: Use a residual current de-

f Use extra caution when making a “pocket cut” into ex-

vice (RCD) with a rated residual current of 30 mA or less.

isting walls or other blind areas. The protruding wheel

may cut gas or water pipes, electrical wiring or objects that

can cause kickback.

Bosch Power Tools 3 609 929 C06 | (17.5.11)

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14 | English

Product Description and Specifica-

Product Features

The numbering of the product features refers to the illustra-

tions

tion of the machine on the graphics page.

Read all safety warnings and all instruc-

1 Collet chuck

tions. Failure to follow the warnings and in-

2 Clamping nut

structions may result in electric shock, fire

3 Grinder spindle

and/or serious injury.

4 Spindle collar

While reading the operating instructions, unfold the graphics

5 On/Off switch

page for the machine and leave it open.

6 Thumbwheel for speed preselection

(GGS8CE/GGS28CE/GGS28LCE)

Intended Use

7 Handle (insulated gripping surface)

The machine is designed for grinding and deburring metal us-

8 Open-end spanner on the grinder spindle*

ing corundum grinding tools, as well as for working with sand-

9 Open-end spanner applied to clamping nut*

ing wheels.

*Accessories shown or described are not part of the standard de-

GGS 8 CE: The machine is additionally intended for brushing

livery scope of the product. A complete overview of accessories

and polishing metal.

can be found in our accessories program.

Technical Data

Straight grinder GGS ...

8 CE 28 C 28 CE 28 LC 28 LCE

Professional

Article number 3 601 ... B22 1.. B20 0.. B20 1.. B21 0.. B21 1..

Rated power input

W750600 650 650 650

Output power

W420350 380 380 380

Rated speed

min

-1

8000 28000 28000 28000 28000

Speed control adjustment

min

-1

2500

10000

10000

–8000

28000

–28000

Collet chuck diameter, max.

mm 8 8888

Spanner size of

–clamping nut

mm

19

19

19

19

19

grinder spindle

mm

13

19

19

13

13

Spindle collar dia. mm 43 43 43 43 43

Grinding tool diameter, max.

mm 50 50 50 50 50

Polishing tool diameter, max.

mm 80 ––––

Constant electronic control

z zzzz

Speed preselection

z z z

Weight according to EPTA-Procedure 01/2003

kg 1.7 1.4 1.4 1.6 1.6

Protection class

/II /II /II /II /II

The values given are valid for a nominal voltage [U] of 230 V. For different voltages and models for specific countries, these values can vary.

Please observe the article number on the type plate of your machine. The trade names of the individual machines may vary.

Noise/Vibration Information

Measured sound values determined according to EN 60745.

GGS ...

28 C

28 LC

8 CE

Professional

28 CE

28 LCE

Typically the A-weighted noise levels of the product are

Sound pressure level

dB(A)

78

77

82

Sound power level

dB(A)

89

88

93

Uncertainty K=

dB

3

3

3

Wear hearing protection!

3 609 929 C06 | (17.5.11) Bosch Power Tools

OBJ_BUCH-1269-004.book Page 15 Tuesday, May 17, 2011 4:15 PM

English | 15

GGS ...

28 C

28 LC

8 CE

Professional

28 CE

28 LCE

Vibration total values a

h

(triax vector sum) and uncertainty K determined according to

EN 60745:

Surface grinding (with wheel diameter of 25 mm):

2

a

h

m/s

3

6

2.5

2

K

m/s

1.5

1.5

1.5

Vibration total values a

h

(triax vector sum) and uncertainty K determined according to

EN 60745:

Surface grinding (with wheel diameter of 50 mm (max.):

a

m/s

2

h

8

14

2.5

K

m/s

2

1.5

1.5

1.5

The vibration emission level given in this information sheet

Clean the grinder spindle 3 and all parts to be mounted.

has been measured in accordance with a standardised test

Hold the grinder spindle 3 with open-end spanner 8 by the

given in EN 60745 and may be used to compare one tool with

spanner flats .

another. It may be used for a preliminary assessment of expo-

Loosen the clamping nut 2 with open-end spanner 9 by ap-

sure.

plying it to the spanner flats and turning in anticlockwise

The declared vibration emission level represents the main ap-

direction.

plications of the tool. However if the tool is used for different

Insert the clamping shaft of the grinding tool to the stop in-

applications, with different accessories or poorly maintained,

to the collet chuck 1.

the vibration emission may differ. This may significantly in-

Hold the grinder spindle 3 firmly with open-end spanner 8

crease the exposure level over the total working period.

and clamp the tool bit with open-end spanner 9 by the

An estimation of the level of exposure to vibration should also

spanner flats, turning in clockwise direction.

take into account the times when the tool is switched off or

The grinding tools must run completely concentrical. Do not

when it is running but not actually doing the job. This may signif-

continue to use out-of-round grinding accessories, instead,

icantly reduce the exposure level over the total working period.

replace before continuing to work.

Identify additional safety measures to protect the operator

f Do not tighten the collet chuck of the clamping nut as

from the effects of vibration such as: maintain the tool and the

long as no grinding accessory is mounted. Otherwise,

accessories, keep the hands warm, organisation of work pat-

the collet chuck can become damaged.

terns.

Dust/Chip Extraction

Declaration of Conformity

f Dusts from materials such as lead-containing coatings,

We declare under our sole responsibility that the product de-

some wood types, minerals and metal can be harmful to

scribed under “Technical Data” is in conformity with the fol-

one’s health. Touching or breathing-in the dusts can cause

lowing standards or standardization documents: EN 60745

allergic reactions and/or lead to respiratory infections of

according to the provisions of the directives 2004/108/EC,

the user or bystanders.

2006/42/EC.

Certain dusts, such as oak or beech dust, are considered

Technical file at:

as carcinogenic, especially in connection with wood-treat-

Robert Bosch GmbH, Postfach 10 01 56,

ment additives (chromate, wood preservative). Materials

D-70745 Leinfelden-Echterdingen

containing asbestos may only be worked by specialists.

Dr. Egbert Schneider

Dr. Eckerhard Strötgen

Provide for good ventilation of the working place.

Senior Vice President

Head of Product

It is recommended to wear a P2 filter-class respirator.

Engineering

Certification

Observe the relevant regulations in your country for the

materials to be worked.

f Prevent dust accumulation at the workplace. Dusts can

easily ignite.

Robert Bosch GmbH, Power Tools Division

D-70745 Leinfelden-Echterdingen

Operation

18.04.2011

Starting Operation

Assembly

f Observe correct mains voltage! The voltage of the pow-

f Before any work on the machine itself, pull the mains plug.

er source must agree with the voltage specified on the

nameplate of the machine. Power tools marked with

Mounting the Grinding Tools (see figure A)

230 V can also be operated with 220 V.

f Only use properly fitting and undamaged open-end

Switching On and Off

spanners (see “Technical Data”).

To start the power tool, push the On/Off switch 5 forwards.

Bosch Power Tools 3 609 929 C06 | (17.5.11)

OBJ_BUCH-1269-004.book Page 16 Tuesday, May 17, 2011 4:15 PM

16 | English

To lock the On/Off switch 5, press the On/Off switch 5 down

In all correspondence and spare parts order, please always in-

at the front until it latches.

clude the 10-digit article number given on the type plate of

To switch off the power tool, release the On/Off switch 5 or,

the machine.

if it is locked, briefly push down the back of the On/Off switch

After-sales Service and Customer Assistance

5 and then release it.

Our after-sales service responds to your questions concern-

Kickback stop

ing maintenance and repair of your product as well as spare

In case of a sudden drop in speed, e.g., caused by a jammed

parts. Exploded views and information on spare parts can al-

disc while cutting, the power supply to the motor is electroni-

so be found under:

cally interrupted.

www.bosch-pt.com

To restart the operation, switch the On/Off switch 5 to the

Our customer service representatives can answer your ques-

Off position and start the machine again.

tions concerning possible applications and adjustment of

products and accessories.

Constant Electronic Control

Constant electronic control holds the speed constant at no-

Great Britain

load and under load, and ensures uniform working perform-

Robert Bosch Ltd. (B.S.C.)

ance.

P.O. Box 98

Broadwater Park

Speed preselection (GGS 8 CE/GGS 28 CE/GGS 28 LCE)

North Orbital Road

The required speed can be preselected with the thumbwheel

Denham

6 (also while running).

Uxbridge

The required speed depends on the material being worked

UB 9 5HJ

and the diameter of the application tool. Observe the maximal

Tel. Service: +44 (0844) 736 0109

allowable speed of the application tool.

Fax: +44 (0844) 736 0146

E-Mail: boschservicecentre@bosch.com

Thumbwheel Position No-load speed (min

-1

)

GGS 28 CE

GGS 8 CE

Ireland

GGS 28 LCE

Origo Ltd.

1

10000 2500

Unit 23 Magna Drive

Magna Business Park

2

12700 3600

City West

3

16700 4600

Dublin 24

4

19700 5700

Tel. Service: +353 (01) 4 66 67 00

5

23500 6800

Fax: +353 (01) 4 66 68 88

6

28000 8000

Australia, New Zealand and Pacific Islands

Working Advice

Robert Bosch Australia Pty. Ltd.

Power Tools

Optimum grinding results are achieved when the grinding tool

Locked Bag 66

is moved uniformly back and forth with light pressure. Pres-

Clayton South VIC 3169

sure that is too strong reduces the performance capability of

Customer Contact Center

the machine and causes the grinding tool to wear more quick-

Inside Australia:

ly.

Phone: +61 (01300) 307 044

Fax: +61 (01300) 307 045

Maintenance and Service

Inside New Zealand:

Phone: +64 (0800) 543 353

Maintenance and Cleaning

Fax: +64 (0800) 428 570

f Before any work on the machine itself, pull the mains

Outside AU and NZ:

plug.

Phone: +61 (03) 9541 5555

www.bosch.com.au

f For safe and proper working, always keep the machine

and ventilation slots clean.

Republic of South Africa

f In extreme conditions, always use dust extraction as

Customer service

far as possible. Blow out ventilation slots frequently

Hotline: +27 (011) 6 51 96 00

and install a residual current device (RCD). When work-

Gauteng – BSC Service Centre

ing metals, conductive dust can settle in the interior of the

35 Roper Street, New Centre

power tool. The total insulation of the power tool can be im-

Johannesburg

paired.

Tel.: +27 (011) 4 93 93 75

If the machine should fail despite the care taken in manufac-

Fax: +27 (011) 4 93 01 26

turing and testing procedures, repair should be carried out by

E-Mail: bsctools@icon.co.za

an after-sales service centre for Bosch power tools.

3 609 929 C06 | (17.5.11) Bosch Power Tools