GEF 7 E - Broyeur BOSCH - Free user manual and instructions

USER MANUAL GEF 7 E BOSCH

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OBJ_BUCH-1841-002.book Page 3 Tuesday, June 11, 2013 1:11 PM3 609 929 C46 | (11.6.13) Bosch Power Tools

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Executive Vice President

Head of Product Certification

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General Power Tool Safety Warnings

Read all safety warnings and all in-

structions. Failure to follow the warnings

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

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)

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

 Do not operate power tools in explosive atmospheres,

such as in the presence of flammable liquids, gases or

dust. Power tools create sparks which may ignite the dust

 Keep children and bystanders away while operating a

power tool. Distractions can cause you to lose control.

 Power tool plugs must match the outlet. Never modify

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.

 Avoid body contact with earthed or grounded surfaces,

such as pipes, radiators, ranges and refrigerators.

WARNING OBJ_BUCH-1841-002.book Page 10 Tuesday, June 11, 2013 1:11 PMEnglish | 11

Bosch Power Tools 3 609 929 C46 | (11.6.13)

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

earthed or grounded.

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

Water entering a power tool will increase the risk of electric

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

pulling or unplugging the power tool. Keep cord away

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

or entangled cords increase the risk of electric shock.

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

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

for outdoor use reduces the risk of electric shock.

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

able, use a residual current device (RCD) protected

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

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

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

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

alcohol or medication. A moment of inattention while op-

erating power tools may result in serious personal injury.

 Use personal protective equipment. Always wear eye

protection. Protective equipment such as dust mask,

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

used for appropriate conditions will reduce personal inju-

 Prevent unintentional starting. Ensure the switch is in

the off-position before connecting to power source

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

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

ergising power tools that have the switch on invites acci-

 Remove any adjusting key or wrench before turning

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

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

 Do not overreach. Keep proper footing and balance at

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

unexpected situations.

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

lery. Keep your hair, clothing and gloves away from

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

caught in moving parts.

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

traction and collection facilities, ensure these are con-

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

duce dust-related hazards.

Power tool use and care

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

for your application. The correct power tool will do the

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

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

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

the switch is dangerous and must be repaired.

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

battery pack from the power tool before making any

adjustments, changing accessories, or storing power

tools. Such preventive safety measures reduce the risk of

starting the power tool accidentally.

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

do not allow persons unfamiliar with the power tool or

these instructions to operate the power tool. Power

tools are dangerous in the hands of untrained users.

 Maintain power tools. Check for misalignment or bind-

ing of moving parts, breakage of parts and any other

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

damaged, have the power tool repaired before use.

Many accidents are caused by poorly maintained power

 Keep cutting tools sharp and clean. Properly maintained

cutting tools with sharp cutting edges are less likely to bind

and are easier to control.

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

cordance with these instructions, taking into account

the working conditions and the work to be performed.

Use of the power tool for operations different from those

intended could result in a hazardous situation.

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

son using only identical replacement parts. This will en-

sure that the safety of the power tool is maintained.

Safety Warnings for Sander

 Hold power tool by insulated gripping surfaces, be-

cause the belt may contact its own cord. Contact a “live”

wire may make exposed metal parts of the power tool “live”

and could give the operator an electric shock.

 Use the machine only for dry sanding. Penetration of wa-

ter into the machine increases the risk of an electric shock.

 Apply the machine to the workpiece only when

switched on and switch the machine off only after it has

been lifted away from the workpiece. The power tool

 Never touch the running sanding belt. Danger of injury.

 Pay attention that no persons are put at risk through

sparking. Remove any combustible materials in the vi-

cinity. Sparking occurs when sanding metal materials.

 Do not use worn, torn or heavily clogged sanding belts.

Damaged sanding belts can tear apart, be thrown from the

machine and injure somebody.

 Prevent dust accumulation at the workplace. Dusts can

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

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

cumulation of powdered metal may cause electrical haz-

 When working with the machine, always hold it firmly

with both hands and provide for a secure stance. The

power tool is guided more secure with both hands.

 Secure the workpiece. A workpiece clamped with clamp-

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

OBJ_BUCH-1841-002.book Page 11 Tuesday, June 11, 2013 1:11 PM12 | English 3 609 929 C46 | (11.6.13) Bosch Power Tools  Always wait until the machine has come to a complete

stop before placing it down. The tool insert can jam and

lead to loss of control over the power tool.

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

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

approved to BS 1362).

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

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

ised customer service agent. The replacement plug should

have the same fuse rating as the original plug.

The severed plug must be disposed of to avoid a possible

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

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

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

Product Description and Specifica-

Read all safety warnings and all instruc-

tions. Failure to follow the warnings and in-

structions may result in electric shock, fire

and/or serious injury.

While reading the operating instructions, unfold the graphics

page for the machine and leave it open.

The power tool is intended for dry sanding, structuring and

The numbering of the product features refers to the illustra-

tion of the machine on the graphics page.

1 Adjustment screw for belt run

3 Auxiliary handle (insulated gripping surface)

5 Clamping lever for sanding attachment

6 Thumbwheel for belt speed preselection

9 Fastening screw for attachment cover

10 Sanding attachment

14 Supporting surface

15 Handle (insulated gripping surface)

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

livery scope of the product. A complete overview of accessories

can be found in our accessories program.

Noise/Vibration Information

Measured sound values determined according to EN 60745.

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

Sound pressure level 89 dB(A); Sound power level

(triax vector sum) and uncertainty K

determined according to EN 60745:

The vibration emission level given in this information sheet

has been measured in accordance with a standardised test

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

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

The declared vibration emission level represents the main ap-

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

applications, with different accessories or poorly maintained,

the vibration emission may differ. This may significantly in-

crease the exposure level over the total working period.

An estimation of the level of exposure to vibration should also

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

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

nificantly reduce the exposure level over the total working pe-

Identify additional safety measures to protect the operator

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

accessories, keep hands warm, organise work patterns.

Declaration of Conformity

We declare under our sole responsibility that the product de-

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

lowing standards or standardization documents: EN 60745

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

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

Electric File GEF 7 E Article number

Belt speed at thumbwheel setting

Belt speed preselection

/II The values given are valid for a nominal voltage [U] of 230 V. For differ-ent voltages and models for specific countries, these values can vary. OBJ_BUCH-1841-002.book Page 12 Tuesday, June 11, 2013 1:11 PMEnglish | 13

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

Dust/Chip Extraction

 Dusts from materials such as lead-containing coatings,

some wood types, minerals and metal can be harmful to

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

allergic reactions and/or lead to respiratory infections of

the user or bystanders.

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

as carcinogenic, especially in connection with wood-treat-

ment additives (chromate, wood preservative). Materials

containing asbestos may only be worked by specialists.

– Provide for good ventilation of the working place.

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

Observe the relevant regulations in your country for the

materials to be worked.

 Prevent dust accumulation at the workplace. Dusts can

Mounting the Auxiliary Handle (see figure A)

 Operate your machine only with the auxiliary handle 3.

Screw the auxiliary handle 3 on the right or left of the machine

head depending on the working method.

Adjusting the Sanding Attachment (see figure B)

– Before adjusting the sanding attachment 10, completely

release clamping lever 5.

– Move the sanding attachment 10 accordingly to suit your

working conditions and working position.

– Close the clamping lever 5 and tighten it firmly.

Note: Clamping lever 5 is indexed (adjustable), allowing it to

be set to an ergonomically favourable or space-saving posi-

With the clamping lever 5 tightened, pull its lever away from

the machine head, turn it to the desired position and allow it

Changing the Sanding Belt (see figure C)

– Loosen fastening screw 9 and remove the attachment cov-

– Press sanding attachment 10 via the supporting surface 14

against a sturdy object (e. g. a bench top) until the sanding

attachment 10 deflects. Remove the sanding belt 12.

– Firstly, position the new sanding belt 12 around on the

drive roller 7 and then around the deflection roller 13. Pay

attention that the arrow directions on the inside of the

sanding belt (if given) and on the attachment cover 8 of the

power tool correspond. Release the sanding attachment

10 again, so that the sanding belt 12 is tensioned.

– Mount the attachment cover 8 with fastening screw 9.

– Adjust the belt run as required, see section “Adjusting the

Adjusting the Belt Run (see figure D)

 Adjust the belt run only when the power tool is

switched off and disconnected from the power supply.

Turn adjustment screw 1 until the sanding belt 12 is posi-

tioned centred on deflection roller 13.

Selecting the Sanding Belt

Depending on the material to be worked and the required rate

of removal, different sanding belts are available:

Note: Depending on the application method and the material

being worked, either flexible of stiff sanding belts can be

Changing the Sanding Arm (see figure E)

– Remove the sanding belt 12 (see section “Changing the

– Unscrew adjustment screw 1 and remove the sanding arm

– Mount the new sanding arm 16 and fasten it with adjust-

– Pay attention that the sanding arm 16 is correctly mounted

according to figure E.

– Mount the sanding belt 12 (see section “Changing the

– Adjust the belt run (see section “Adjusting the Belt Run”).

 Observe correct mains voltage! The voltage of the

power source must agree with the voltage specified on

the nameplate of the machine. Power tools marked

with 230 V can also be operated with 220 V.

Switching On and Off

To start the power tool, push the On/Off switch 4 forwards.

To switch off the machine, push On/Off switch 4 toward the

To save energy, only switch the power tool on when using it.

Executive Vice President

Head of Product Certification

For dry sanding and pre-sanding coarse 40, 60

For structuring and for smoothing

out minor unevenness medium 80, 120

For fine structuring fine

Polishing Fleece belts

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3 609 929 C46 | (11.6.13) Bosch Power Tools

Preselecting the Belt Speed

 Operate with a belt speed adapted to the application, in

order to prevent damage to the material.

The required belt speed can be adjusted with the thumbwheel

for belt speed preselection 6 (even during operation).

The required belt speed depends on the material being sand-

ed and on the working conditions, and can be determined by

 When using a fleece belt, do not work with a higher set-

ting than speed stage 4 (max.). Otherwise, the fleece

belt will become too hot.

When sanding, the removal capacity and the surface quality

are mainly determined by the sanding belt selection as well as

through the preselected belt speed.

Work with the lowest possible sanding pressure in order to in-

crease the service life of the sanding belts. Excessively in-

creasing the sanding pressure does not lead to a higher sand-

ing capacity, but to more wear of the power tool and the

Work with moderate feed and perform the sanding parallel

and overlapping with respect to the sanding paths.

To achieve a perfect surface, do not skip more than one grain

size when selecting the sanding belt.

Use only original Bosch sanding accessories.

Only flawless sanding belts achieve good sanding capacity

and make the machine last longer.

 Do not clamp power tools in the saw stand. Clamped

power tools and sharp-edged application tools may result

Storage of the Sanding Belts

Store sanding belts in their original packaging at

15 °C – 25 °C room temperature and 40 % – 70 % humidity.

Do not store sanding belts on concrete floors, close to open

Do not bend or kink the sanding belts, otherwise they will be-

Maintenance and Service

Maintenance and Cleaning

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

 For safe and proper working, always keep the machine

and ventilation slots clean.

Remove adherent sanding dust with a brush.

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

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

der to avoid a safety hazard.

After-sales Service and Application Service

Our after-sales service responds to your questions concern-

ing maintenance and repair of your product as well as spare

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

Bosch’s application service team will gladly answer questions

concerning our products and their accessories.

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

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

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

Australia, New Zealand and Pacific Islands

Robert Bosch Australia Pty. Ltd.

Customer Contact Center

Republic of South Africa

Hotline: (011) 6519600

35 Roper Street, New Centre

Unit E, Almar Centre

E-Mail: bsc.dur@za.bosch.com

Western Cape – BSC Service Centre

Democracy Way, Prosperity Park

The machine, accessories and packaging should be sorted for

environmental-friendly recycling.

Do not dispose of power tools into household waste!

Only for EC countries:

According the European Guideline

2012/19/EU for Waste Electrical and Elec-

tronic Equipment and its implementation

into national right, power tools that are no

longer usable must be collected separately

and disposed of in an environmentally cor-

rect manner. Subject to change without notic Français

Avertissements de sécurité

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Executive Vice President

Head of Product Certification

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2011/65/UE, 2004/108/CE, 2006/42/CE.

Executive Vice President

Head of Product Certification

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Executive Vice President

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2004/108/EF, 2006/42/EF.

Executive Vice President

Head of Product Certification

Bosch Service Center

Executive Vice President

Head of Product Certification

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Bosch Service Center

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2011/65/UE, 2004/108/WE, 2006/42/WE.

Executive Vice President

Head of Product Certification

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Robert Bosch Sp. z o.o.

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No. RU C-DE.ME77.B.00343

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vederilor Directivelor 2011/65/UE, 2004/108/CE,

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Elektro pila GEF 7 E Navedbe veljajo za nazivne napetosti [U] 230 V. Pri drugih napetostih in

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Head of Product Certification

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