Bosch GGS 6 S Professional: English

English: Bosch GGS 6 S Professional

OBJ_BUCH-1050-004.book Page 12 Thursday, April 26, 2012 10:22 AM

12 | English

Wartung und Service

Österreich

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

Wartung und Reinigung

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

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

f Ziehen Sie vor allen Arbeiten am Elektrowerkzeug den

Netzstecker aus der Steckdose.

Schweiz

f Halten Sie das Elektrowerkzeug und die Lüftungsschlit-

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

ze sauber, um gut und sicher zu arbeiten.

Fax: +41 (044) 8 47 15 51

f Verwenden Sie bei extremen Einsatzbedingungen nach

Luxemburg

Möglichkeit immer eine Absauganlage. Blasen Sie die

Tel.: +32 2 588 0589

Lüftungsschlitze häufig aus und schalten Sie einen Feh-

Fax: +32 2 588 0595

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

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

von Metallen kann sich leitfähiger Staub im Innern des

Elektrowerkzeugs absetzen. Die Schutzisolierung des

Entsorgung

Elektrowerkzeugs kann beeinträchtigt werden.

Elektrowerkzeuge, Zubehör und Verpackungen sollen einer

Lagern und behandeln Sie das Zubehör sorgfältig.

umweltgerechten Wiederverwertung zugeführt werden.

Wenn ein Ersatz der Anschlussleitung erforderlich ist, dann

Werfen Sie Elektrowerkzeuge nicht in den Hausmüll!

ist dies von Bosch oder einer autorisierten Kundendienststel-

Nur für EU-Länder:

le für Bosch-Elektrowerkzeuge auszuführen, um Sicherheits-

Gemäß der Europäischen Richtlinie

gefährdungen zu vermeiden.

2002/96/EG über Elektro- und Elektronik-

Sollte das Elektrowerkzeug trotz sorgfältiger Herstellungs-

Altgeräte und ihrer Umsetzung in nationales

und Prüfverfahren einmal ausfallen, ist die Reparatur von ei-

Recht müssen nicht mehr gebrauchsfähige

ner autorisierten Kundendienststelle für Bosch-Elektrowerk-

Elektrowerkzeuge getrennt gesammelt und

zeuge ausführen zu lassen.

einer umweltgerechten Wiederverwertung

Geben Sie bei allen Rückfragen und Ersatzteilbestellungen

zugeführt werden.

bitte unbedingt die 10-stellige Sachnummer laut Typenschild

Änderungen vorbehalten.

des Elektrowerkzeuges an.

Kundendienst und Kundenberatung

Der Kundendienst beantwortet Ihre Fragen zu Reparatur und

English

Wartung Ihres Produkts sowie zu Ersatzteilen. Explosions-

zeichnungen und Informationen zu Ersatzteilen finden Sie

auch unter:

Safety Notes

www.bosch-pt.com

Das Bosch-Kundenberater-Team hilft Ihnen gerne bei Fragen

General Power Tool Safety Warnings

zu Kauf, Anwendung und Einstellung von Produkten und Zu-

Read all safety warnings and all in-

WARNING

behören.

structions. Failure to follow the warnings

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

and instructions may result in electric shock, fire and/or seri-

ker und Heimwerker.

ous injury.

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

Save all warnings and instructions for future reference.

bildung.

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

Deutschland

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

power tool.

Robert Bosch GmbH

Servicezentrum Elektrowerkzeuge

Work area safety

Zur Luhne 2

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

37589 Kalefeld – Willershausen

invite accidents.

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

f Do not operate power tools in explosive atmospheres,

Fax: +49 (1805) 70 74 11*

such as in the presence of flammable liquids, gases or

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

dust. Power tools create sparks which may ignite the dust

funknetzen)

or fumes.

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

f Keep children and bystanders away while operating a

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

power tool. Distractions can cause you to lose control.

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

netzen)

Electrical safety

Fax: +49 (711) 7 58 19 30

f Power tool plugs must match the outlet. Never modify

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

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

earthed (grounded) power tools. Unmodified plugs and

matching outlets will reduce risk of electric shock.

1 619 929 K88 | (26.4.12) Bosch Power Tools

OBJ_BUCH-1050-004.book Page 13 Thursday, April 26, 2012 10:22 AM

English | 13

f Avoid body contact with earthed or grounded surfaces,

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

such as pipes, radiators, ranges and refrigerators.

battery pack from the power tool before making any

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

adjustments, changing accessories, or storing power

earthed or grounded.

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

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

shock.

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

f Maintain power tools. Check for misalignment or bind-

or entangled cords increase the risk of electric shock.

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

tools.

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

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

and are easier to control.

Personal safety

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

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

cordance with these instructions, taking into account

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

the working conditions and the work to be performed.

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

Use of the power tool for operations different from those

alcohol or medication. A moment of inattention while op-

intended could result in a hazardous situation.

erating power tools may result in serious personal injury.

Service

f Use personal protective equipment. Always wear eye

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.

Safety Warnings for Straight Grinders

f Prevent unintentional starting. Ensure the switch is in

the off-position before connecting to power source

Safety warnings common for grinding and working with

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

wire brushes

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

f This power tool is to be used as a grinder and wire

ergising power tools that have the switch on invites acci-

brush. Observe all safety warnings, instructions, illus-

dents.

trations and data supplied with the power tool. Non-ob-

f Remove any adjusting key or wrench before turning

servance of the following instructions can lead to electric

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

shock, fire and/or serious injury.

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

f Operations such as sanding, polishing or cutting-off

f Do not overreach. Keep proper footing and balance at

are not recommended to be performed with this power

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

tool. Operations for which the power tool was not de-

unexpected situations.

signed may create a hazard and cause personal injury.

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

f Do not use accessories which are not specifically de-

lery. Keep your hair, clothing and gloves away from

signed and recommended by the tool manufacturer.

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

Just because the accessory can be attached to your power

caught in moving parts.

tool, it does not assure safe operation.

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

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

traction and collection facilities, ensure these are con-

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

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

cessories running faster than their rated speed can break

duce dust-related hazards.

and fly apart.

f The outside diameter and the thickness of your acces-

Power tool use and care

sory must be within the capacity rating of your power

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

tool. Incorrectly sized accessories cannot be adequately

for your application. The correct power tool will do the

guarded or controlled.

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

f The arbor size of wheels, flanges, backing pads or any

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

other accessory must properly fit the spindle of the

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

power tool. Accessories with arbor holes that do not match

the switch is dangerous and must be repaired.

the mounting hardware of the power tool will run out of bal-

ance, vibrate excessively and may cause loss of control.

Bosch Power Tools 1 619 929 K88 | (26.4.12)

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

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

spect the accessory such as abrasive wheels for chips

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

and cracks, backing pad for cracks, tear or excess

the pinch point can dig into the surface of the material

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

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

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

either jump toward or away from the operator, depending

stall an undamaged accessory. After inspecting and in-

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

stalling an accessory, position yourself and bystanders

ing. Abrasive wheels may also break under these condi-

away from the plane of the rotating accessory and run

tions.

the power tool at maximum no-load speed for one

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

minute. Damaged accessories will normally break apart

rect operating procedures or conditions and can be avoid-

during this test time.

ed by taking proper precautions as given below.

f Wear personal protective equipment. Depending on

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

application, use face shield, safety goggles or safety

body and arm to allow you to resist kickback forces. Al-

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

ways use auxiliary handle, if provided, for maximum

tectors, gloves and workshop apron capable of stop-

control over kickback or torque reaction during

ping small abrasive or workpiece fragments. The eye

start-up. The operator can control torque reactions or

protection must be capable of stopping flying debris gen-

kickback forces, if proper precautions are taken.

erated by various operations. The dust mask or respirator

f Never place your hand near the rotating accessory. Ac-

must be capable of filtrating particles generated by your

cessory may kickback over your hand.

operation. Prolonged exposure to high intensity noise may

f Do not position your body in the area where power tool

cause hearing loss.

will move if kickback occurs. Kickback will propel the

f Keep bystanders a safe distance away from work area.

tool in direction opposite to the wheel’s movement at the

Anyone entering the work area must wear personal

point of snagging.

protective equipment. Fragments of workpiece or of a

f Use special care when working corners, sharp edges,

broken accessory may fly away and cause injury beyond

etc. Avoid bouncing and snagging the accessory. Cor-

immediate area of operation.

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

f Hold the power tool by insulated gripping surfaces on-

rotating accessory and cause loss of control or kickback.

ly, when performing an operation where the cutting ac-

f Do not attach a saw chain woodcarving blade or

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

toothed saw blade. Such blades create frequent kickback

ting accessory contacting a “live” wire may make exposed

and loss of control over the power tool.

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

erator an electric shock.

Additional safety instructions for grinding

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

f Use only wheel types that are recommended for your

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

power tool and the specific guard designed for the se-

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

lected wheel. Wheels for which the power tool was not de-

ning accessory.

signed cannot be adequately guarded and are unsafe.

f Never lay the power tool down until the accessory has

f The guard must be securely attached to the power tool

come to a complete stop. The spinning accessory may

and positioned for maximum safety, so the least

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

amount of wheel is exposed towards the operator. The

guard helps to protect operator from broken wheel frag-

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

ments, accidental contact with wheel and sparks that

Accidental contact with the spinning accessory could snag

could ignite clothing.

your clothing, pulling the accessory into your body.

f Wheels must be used only for recommended applica-

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

tions. For example: do not grind with the side of the

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

cut-off wheel. Abrasive cut-off wheels are intended for

mulation of powdered metal may cause electrical hazards.

peripheral grinding; side forces applied to these wheels

f Do not operate the power tool near flammable materi-

may cause them to shatter.

als. Sparks could ignite these materials.

f Always use undamaged wheel flanges that are of cor-

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

rect size and shape for your selected wheel. Proper

ing water or other liquid coolants may result in electrocu-

wheel flanges support the wheel thus reducing the possi-

tion or shock.

bility of wheel breakage. Flanges for cut-off wheels may be

Kickback and related warnings

different from grinding wheel flanges.

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

f Do not use worn down wheels from larger power tools.

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

Wheels intended for larger power tools are not suitable for

Pinching or snagging causes rapid stalling of the rotating

the higher speed of a smaller tool and may burst.

accessory which in turn causes the uncontrolled power

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

ry’s rotation at the point of the binding.

1 619 929 K88 | (26.4.12) Bosch Power Tools

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English | 15

Safety warnings specific for wire brushing operations

Product Features

f Be aware that wire bristles are thrown by the brush

The numbering of the product features refers to the illustra-

even during ordinary operation. Do not overstress the

tion of the machine on the graphics page.

wires by applying excessive load to the brush. The wire

1 Clamping nut (GGS 6 S)

bristles can easily penetrate light clothing and/or skin.

2 Protection guard (open) with locking screw (GGS 6 S)

f If the use of a guard is recommended for wire brushing,

3 Grinder spindle

do not allow any interference of the wire wheel or

brush with the guard. Wire wheel or brush may expand in

4 Mounting flange (GGS 6 S)

diameter due to work load and centrifugal forces.

5 Spindle collar

6 On/Off switch

Additional safety warnings

7 Safety switch against starting/Lock-on button for On/Off

Wear safety goggles.

switch

8 Quick-clamping nut *

9 Clamping nut (GGS 6)

10 Clamping flange

f Use suitable detectors to determine if utility lines are

11 Protection guard (enclosed) with locking nuts (GGS 6)

hidden in the work area or call the local utility company

12 Mounting flange (GGS 6)

for assistance. Contact with electric lines can lead to fire

13 Handle (insulated gripping surface)

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

sion. Penetrating a water line causes property damage or

14 Locking screw for protection guard

may cause an electric shock.

15 Holding rod

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

16 Two-pin spanner for clamping nut

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

17 Index mark

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

18 Snap ring

vents uncontrolled restarting.

19 Locking nut for protection guard

f Do not touch grinding and cutting discs before they have

20 Open-end spanner, size 24 mm*

cooled down. The discs can become very hot while working.

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

f Secure the workpiece. A workpiece clamped with clamp-

livery scope of the product. A complete overview of accessories

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

can be found in our accessories program.

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

Noise/Vibration Information

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

approved to BS 1362).

Measured sound values determined according to EN 60745.

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

Typically the A-weighted noise levels of the product are:

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

Sound pressure level 86 dB(A); Sound power level 97 dB(A).

ised customer service agent. The replacement plug should

Uncertainty K =3 dB.

have the same fuse rating as the original plug.

Wear hearing protection!

The severed plug must be disposed of to avoid a possible

Vibration total values a

h

(triax vector sum) and uncertainty K

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

determined according to EN 60745:

et elsewhere.

Grinding surfaces (roughing): a

h

<2.5m/s

2

, K=1.5 m/s

2

.

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

The vibration emission level given in this information sheet

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

has been measured in accordance with a standardised test

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

Product Description and Specifica-

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

sure.

tions

The declared vibration emission level represents the main ap-

Read all safety warnings and all instruc-

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

tions. Failure to follow the warnings and in-

applications, with different accessories or poorly maintained,

structions may result in electric shock, fire

the vibration emission may differ. This may significantly in-

and/or serious injury.

crease the exposure level over the total working period.

An estimation of the level of exposure to vibration should also

While reading the operating instructions, unfold the graphics

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

page for the machine and leave it open.

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

nificantly reduce the exposure level over the total working pe-

Intended Use

riod.

The machine is intended for grinding and deburring metal us-

Identify additional safety measures to protect the operator

ing corundum grinding accessories.

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

accessories, keep hands warm, organise work patterns.

The machine is also suitable for working with wire brushes.

Bosch Power Tools 1 619 929 K88 | (26.4.12)

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16 | English

Technical Data

Straight grinder GGS 6 GGS 6 S

Article number

0 601 214 0.. 0 601 214 1..

Rated power input

W12001150

Output power

W720670

Max. speed

min

-1

6800 6800

Thread of grinder spindle

5/8" M 14

Max. spindle length

mm 27 31

Tool holder

mm 16 20

Max. grinding disc thickness

mm 25 32

Grinding tool diameter, max.

mm 125 125

Weight according to EPTA-Procedure 01/2003

kg 3.9 3.9

Protection class

/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.

Starting cycles generate brief voltage drops. Interference with other equipment/machines may occur in case of unfavourable mains system conditions.

Malfunctions are not to be expected for system impedances below 0.36 ohm.

Declaration of Conformity

After mounting the grinding tool, shut the protection guard 11

and tighten both wing nuts.

We declare under our sole responsibility that the product de-

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

Mounting the Grinding Tools

lowing standards or standardization documents: EN 60745

according to the provisions of the directives 2011/65/EU,

The grinding tools must run completely concentrically. Do not

2004/108/EC, 2006/42/EC.

continue to use damaged grinding tools that are out of bal-

ance. If the grinding tools are out of balance they should be re-

Technical file (2006/42/EC) at:

placed. Treat with a whetstone (accessory) or change.

Robert Bosch GmbH, PT/ETM9,

Using a whetstone, any particular special shape can be pro-

D-70745 Leinfelden-Echterdingen

duced out of the basic forms of the grinding accessory.

Dr. Egbert Schneider

Helmut Heinzelmann

When using grinding tools with a threaded insert, pay atten-

Senior Vice President

Head of Product Certification

tion that the end of the grinder spindle 3 does not touch the

Engineering

PT/ETM9

hole base of the grinding tool.

GGS 6 S (see figure B)

Turn the grinder spindle 3 until the hole in the grinder spin-

dle 3 and the openings of the housing are aligned. Insert

Robert Bosch GmbH, Power Tools Division

D-70745 Leinfelden-Echterdingen

the holding rod 15 through the openings of the housing

28.03.2012

and the hole of the grinder spindle 3.

Loosen and remove the clamping nut 1 with the two-pin

spanner 16 provided.

Assembly

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

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

Mount the grinding accessory and tighten clamping nut 1

plug.

with two-pin spanner 16. Pay attention that the grinding

accessory can rotate freely in protection guard 2.

Mounting the Protective Devices

f Use tapered grinding accessories only in conjunction

f Adjust protection guards in such a manner that spark-

with the open protection guard 2 and the matching

ing toward the operator is prevented.

clamping system (clamping nut 1 and mounting flange

Protection Guard for Grinding (GGS 6 S) (see figure A)

4).

Place the protection guard 2 on the spindle collar. Adapt the

GGS 6 (see figure F)

position of the protection guard 2 to the requirements of the

Turn the grinder spindle 3 until the hole in the grinder spin-

work step. Lock the protection guard 2 with locking screw 14

dle 3 and the openings of the housing are aligned. Insert

and tighten the locking screw with at least 10 Nm.

the holding rod 15 through the openings of the housing

Protection Guard for Grinding (GGS 6) (see figure E)

and the hole of the grinder spindle 3.

Place the protection guard 11 on the spindle collar. Adapt the

Loosen the clamping nut 9 with the open-end spanner 20

position of the protection guard 11 to the requirements of the

(size 24 mm) by turning in anticlockwise direction.

work step. Lock the protection guard 11 with the two locking

Remove the clamping flange 10.

nuts 19 and tighten the locking nuts with at least 10 Nm.

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

1 619 929 K88 | (26.4.12) Bosch Power Tools

OBJ_BUCH-1050-004.book Page 17 Thursday, April 26, 2012 10:22 AM

English | 17

Mount the grinding accessory and clamping flange 10 and

Operation

tighten clamping nut 9 with open-end spanner 20 (size

24 mm). Pay attention that the grinding accessory can ro-

Starting Operation

tate freely in protection guard 11.

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

f Use straight grinding accessories only in conjunction

er source must agree with the voltage specified on the

with the enclosed protection guard 11 and the match-

nameplate of the machine. Power tools marked with

ing clamping system (clamping nut 9, clamping flange

230 V can also be operated with 220 V.

10 and mounting flange 12).

Switching On and Off

Changing the Mounting Flange (see figure D)

To start the power tool, firstly push the safety switch against

GGS 6 S

starting 7 toward the front and afterwards press and hold the

On/Off switch 6.

To fasten tapered grinding accessories, use mounting flange

4, clamping nut 1 and the open protection guard 2.

To lock the pressed On/Off switch 6, push the lock-on button

7 further toward the front.

Lever snap ring 18 out of the groove in grinder spindle 3 using

a screwdriver and remove mounting flange 4. Mount the fit-

To switch off the power tool, release the On/Off switch 6, or

ting mounting flange 4 analogously.

when it is locked, briefly press the On/Off switch 6 and then

release it.

GGS 6

f Check grinding tools before using. The grinding tool

To fasten straight grinding accessories, use mounting flange

must be mounted properly and be able to move freely.

12, clamping nut 9, clamping flange 10 and the enclosed pro-

Carry out a test run for at least one minute with no load.

tection guard 11.

Do not use damaged, out-of-centre or vibrating grind-

Lever snap ring 18 out of the groove in grinder spindle 3 using

ing tools. Damaged grinding tools can burst and cause in-

a screwdriver and remove mounting flange 12. Mount the fit-

juries.

ting mounting flange 12 analogously.

When not using the power tool, switch it off in order to save

energy.

Quick-clamping Nut (GGS 6 S)

(see figure C)

Working Advice

For convenient changing of grinding tools without the use of

Optimum grinding results are achieved when the grinding tool

additional tools, you can use the quick-clamping nut 8 instead

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

of the clamping nut 1.

sure that is too strong reduces the performance capability of

f Quick-clamping nut 8 may not be used for brushing.

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

Use only a flawless, undamaged quick-clamping nut 8.

ly.

When screwing on, pay attention that the side of the

quick-clamping nut 8 with printing does not face the

Maintenance and Service

grinding disc; the arrow must point to the index mark 17.

A properly attached, undamaged quick-clamping nut can be

Maintenance and Cleaning

loosened by hand when turning the knurled ring in anticlock-

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

wise direction. Never loosen a tight quick-clamping nut

plug.

with pliers. Always use the two-pin spanner 16.

f For safe and proper working, always keep the machine

and ventilation slots clean.

Dust/Chip Extraction

f In extreme conditions, always use dust extraction as

f Dusts from materials such as lead-containing coatings,

far as possible. Blow out ventilation slots frequently

some wood types, minerals and metal can be harmful to

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

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

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

allergic reactions and/or lead to respiratory infections of

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

the user or bystanders.

paired.

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

as carcinogenic, especially in connection with wood-treat-

Please store and handle the accessory(-ies) carefully.

ment additives (chromate, wood preservative). Materials

If the replacement of the supply cord is necessary, this has to

containing asbestos may only be worked by specialists.

be done by Bosch or an authorized Bosch service agent in or-

Provide for good ventilation of the working place.

der to avoid a safety hazard.

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

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

Observe the relevant regulations in your country for the

turing and testing procedures, repair should be carried out by

materials to be worked.

an after-sales service centre for Bosch power tools.

f Prevent dust accumulation at the workplace. Dusts can

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

easily ignite.

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

the machine.

Bosch Power Tools 1 619 929 K88 | (26.4.12)