GGS 27 Professional - Coffee grinder BOSCH - Free user manual and instructions

USER MANUAL GGS 27 Professional BOSCH

OBU_DOKU-15157-101.fm Page 1 Monday, November 10, 2008 5:24 PM

3D rendering of a Bosch electric shaver with visible shaft and mounting bracket (no text or symbols)

Robert Bosch GmbH

Power Tools Division

70745 Leinfelden-Echterdingen

Germany

www.bosch-pt.com

1 609 929 K44 (2008.11) O / 77 ASIA

GGS Professional

7|7C|27L|27LC

BOSCH

en Original instructions

cn 本使用说明书

tw正本使用说明書

ko사용 실명지 원부

blue:Metal top

BOSCH 5 6 2 413

GGS 7 C

GGS 27 LC

Professional

OBJ_BUCH-866-001.book Page 5 Monday, November 10, 2008 5:33 PM

5

A 7 3 1 2 7

1 609 929 K44 | (10.11.08) Bosch Power Tools

6 | English

Safety Notes

General Power Tool Safety Warnings

WARNING

Read all safety warnings and all instructions. Failure to follow

the warnings and instructions may result in electric shock, fire and/or serious injury.

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.

1) Work area safety

a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
b) 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 or fumes.
c) Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

2) Electrical safety

a) 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.
b) Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
c) Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
d) 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.

e) When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
f) If operating a power tool in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock.

3) Personal safety

a) 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 operating power tools may result in serious personal injury.
b) 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 injuries.

c) 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 energising power tools that have the switch on invites accidents.

d) Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury.

e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves away from moving parts.

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

g) If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.

4) Power tool use and care

a) 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.

b) 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.

c) 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.

d) 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.

e) Maintain power tools. Check for misalignment or binding 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 tools.

f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.

g) Use the power tool, accessories and tool bits etc. in accordance 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.

5) Service

a) Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.

Safety Warnings for Straight Grinders

Safety Warnings Common for Grinding

This power tool is to be used as a grinder. Observe all safety warnings, instructions, illustrations and specifications provided

with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.

This power tool is not suitable for sanding with sanding discs, working with wire brushes, polishing and cut-off grinding. Operations for which the power tool is not designed may create a hazard and cause personal injury.

▶ Do not use accessories which are not specifically designed and recommended by the tool manufacturer. Just because the accessory can be attached to your power tool, it does not assure safe operation.

The rated speed of the accessory must be at least equal to the maximum speed marked on the power tool. Accessories running faster than their rated speed can break and fly apart.

The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized accessories cannot be adequately guarded or controlled.

The arbor size of wheels, flanges, backing pads or any other accessory must properly fit the spindle of the power tool. Accessories with arbor holes that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively and may cause loss of control.

8 | English

Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheels for chips and cracks, backing pad for cracks, tear or excess wear, wire brush for loose or cracked wires. If power tool or accessory is dropped, inspect for damage or install an undamaged accessory. After inspecting and installing an accessory, position yourself and bystanders away from the plane of the rotating accessory and run the power tool at maximum no-load speed for one minute. Damaged accessories will normally break apart during this test time.
▶ Wear personal protective equipment. Depending on application, use face shield, safety goggles or safety glasses. As appropriate, wear dust mask, hearing protectors, gloves and workshop apron capable of stopping small abrasive or workpiece fragments. The eye protection must be capable of stopping flying debris generated by various operations. The dust mask or respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss.
▶ Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.
Hold power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring or its own cord. Cutting accessory contacting a "live" wire may make exposed metal parts of the power tool "live" and shock the operator.
▶ Position the cord clear of the spinning accessory. If you lose control of the power tool, the cord may be cut or snagged and your hand or arm may be pulled into the spinning accessory.

▶ Never lay the power tool down until the accessory has come to a complete stop. The spinning accessory may grab the surface and pull the power tool out of your control.
▶ Do not run the power tool while carrying it at your side. Accidental contact with the spinning accessory could snag your clothing, pulling the accessory into your body.
Regularly clean the power tool's air vents. The motor's fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards.
▶ Do not operate the power tool near flammable materials. Sparks could ignite these materials.
▶ Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock.

Kickback and related warnings

▶ Kickback is a sudden reaction to a pinched or snagged rotating wheel, backing pad, brush or any other accessory. Pinching or snagging causes rapid stalling of the rotating accessory which in turn causes the uncontrolled power tool to be forced in the direction opposite of the accessory's rotation at the point of the binding.

For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out. The wheel may either jump toward or away from the operator, depending on direction of the wheel's movement at the point of pinching. Abrasive wheels may also break under these conditions.

Kickback is the result of power tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below.

• Maintain a firm grip on the power tool and position your body and arm to allow you to resist kickback forces. Always use auxiliary handle, if provided, for maximum control over kickback or torque reaction during start-up. The operator can control torque reactions or kickback forces, if proper precautions are taken.
  ▶ Never place your hand near the rotating accessory. Accessory may kickback over your hand.
  Do not position your body in the area where power tool will move if kickback occurs. Kickback will propel the tool in direction opposite to the wheel's movement at the point of snagging.
  ▶ Use special care when working corners, sharp edges, etc. Avoid bouncing and snagging the accessory. Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and cause loss of control or kickback.
  ▶ Do not attach a saw chain woodcarving blade or toothed saw blade. Such blades create frequent kickback and loss of control over the power tool.

Additional safety instructions for grinding

▶ Use only wheel types that are recommended for your power tool and the specific guard designed for the selected wheel. Wheels for which the power tool was not designed cannot be adequately guarded and are unsafe.
▶ Wheels must be used only for recommended applications. For example: do not grind with the side of the cut-off wheel. Abrasive cut-off wheels are intended for peripheral grinding; side forces applied to these wheels may cause them to shatter.
▶ Always use undamaged wheel flanges that are of correct size and shape for your selected wheel. Proper wheel flanges support the wheel thus reducing the possibility of wheel breakage. Flanges for cut-off wheels may be different from grinding wheel flanges.

▶ Do not use worn down wheels from larger power tools. Wheels intended for larger power tools are not suitable for the higher speed of a smaller tool and may burst.

Additional safety warnings

Wear safety goggles.

▶ Use suitable detectors to determine if utility lines are hidden in the work area or call the local utility company for assistance. Contact with electric lines can lead to fire and electric shock. Damaging a gas line can lead to explosion. Penetrating a water line causes property damage or may cause an electric shock.
▶ Release the On/Off switch and set it to the off position when the power supply is interrupted, e. g., in case of a power failure or when the mains plug is pulled. This prevents uncontrolled restarting.
- Secure the workpiece. A workpiece clamped with clamping devices or in a vice is held more secure than by hand.
- Keep your workplace clean. Blends of materials are particularly dangerous. Dust from light alloys can burn or explode.
▶ Never use the machine with a damaged cable. Do not touch the damaged cable and pull the mains plug when the cable is damaged while working. Damaged cables increase the risk of an electric shock.

Functional Description

Read all safety warnings and all instructions. Failure to follow the warnings and instructions 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.

10 | English

Intended Use

The machine is designed for grinding and de-burring metal using corundum grinding tools, as well as for working with sanding wheels.

Product Features

The numbering of the product features refers to the illustration of the machine on the graphics page.

1 Collet chuck
2 Clamping nut
3 Grinder spindle
4 Spindle collar
5 On/Off switch
6 Thumbwheel for speed preselection (GGS 7 C/GGS 27 LC)
7 Open-end spanner, size 17 mm*

*Accessories shown or described are not part of the standard delivery scope of the product. A complete overview of accessories can be found in our accessories program.

Technical Data

Straight grinder GGS 7		GGS 7 C		GGS 27 L	GGS 27 LC
		Professional	Professional	Professional	Professional
Article number		0 601 212 0..	0 601 212 7..	0 601 215 0..	0 601 215 7..
Rated power input	W	500 600 500 600
Output power	W	270 360 300 360
Rated speed	min^-1		7000 7000 27000 27000
Speed control adjustment	min^-1		- 3100 - 7000		- 12000 - 27000
Collet chuck diameter, max.	mm		8	8
Spindle collar dia.	mm		35	35	35
Grinding tool diameter, max.	mm		45	45	25
Constant electronic control			-	●	-
Speed preselection			-	●	-
Weight according to EPTA-Procedure 01/2003	kg		1.6	1.7	1.6
Protection class			/	/	/

The values given are valid for nominal voltages [U] of 230/240 V. For lower voltage 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.

Assembly

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

Mounting the Grinding Tools (see figure A)

• Clean the grinder spindle 3 and all parts to be mounted.
• Hold the grinder spindle 3 on the spanner surfaces with the open-end spanner 7 (size 17 mm).
• Loosen the clamping nut 2 with the open-end spanner 7 (size 17 mm) by turning in anticlockwise direction.
• Insert the clamping shaft of the grinding tool to the stop into the collet chuck 1.
• Tighten the clamping nut 2 with the open-end spanner 7 (size 17 mm) by turning in clockwise direction.

The grinding tools must run completely concentrically. Do not continue to use damaged grinding tools that are out of balance. If the grinding tools are out of balance they should be replaced. Treat with a whetstone (accessory) or change.

Using a whetstone, any particular special shape can be produced out of the basic forms of the grinding accessory.

▶ Do not tighten the collet chuck of the clamping nut as long as no grinding accessory is mounted. Otherwise, the collet chuck can become damaged.

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-treatment 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.

Operation

Starting Operation

▶ 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 5 forwards.

To lock the On/Off switch 5, press the On/Off switch 5 down at the front until it latches.

To switch off the power tool, release the On/Off switch 5 or, if it is locked, briefly push down the back of the On/Off switch 5 and then release it.

▶ Check grinding tools before using. The grinding tool must be mounted properly and be able to move freely. Carry out a test run for at least one minute with no load. Do not use damaged, out-of-centre or vibrating grinding tools. Damaged grinding tools can burst and cause injuries.

Constant Electronic Control (GGS 7 C/GGS 27 LC)

Constant electronic control holds the speed constant at no-load and under load, and ensures uniform working performance.

Speed preselection (GGS 7 C/GGS 27 LC)

The required speed can be preselected with the thumbwheel 6 (also while running).

The required speed depends on the material to be worked and the diameter of the tool. Determine the optimum setting through practical testing.

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Thumbwheel Position	No-load speed (min ^-1 )GGS 7 C GGS 27 LC
1	3100	12000
2	4150	16000
3	5450	21000
4	6200	24000
5	6700	26000
6	7000	27000

Maintenance and Service

Maintenance and Cleaning

▶ Before any work on the machine itself, pull the mains plug.
▶ For safe and proper working, always keep the machine and ventilation slots clean.
In extreme working conditions, conductive dust can accumulate in the interior of the machine when working with metal. The protective insulation of the machine can be degraded. The use of a stationary extraction system is recommended in such cases as well as frequently blowing out the ventilation slots and installing a residual current device (RCD).

If the machine should fail despite the care taken in manufacturing and testing procedures, repair should be carried out by an after-sales service centre for Bosch power tools.

In all correspondence and spare parts order, please always include the 10-digit article number given on the type plate of the machine.

After-sales Service and Customer Assistance

Our after-sales service responds to your questions concerning maintenance and repair of your product as well as spare parts. Exploded views and information on spare parts can also be found under:

www.bosch-pt.com

Our customer consultants answer your questions concerning best buy, application and adjustment of products and accessories.

People's Republic of China

Website: www.bosch-pt.com.cn

China Mainland

Bosch Power Tools (China) Co., Ltd.

567, Bin Kang Road

Bin Jiang District 310052

Hangzhou, P.R.China

Service Hotline: [phone]

Tel.: [phone]

Fax: [phone]

HK and Macau Special Administrative Regions

Robert Bosch Hong Kong Co. Ltd.

21st Floor, 625 King's Road

North Point, Hong Kong

Customer Service Hotline: [phone]

Fax: [phone]

E-Mail: [e-mail]

www.bosch-pt.com.cn

Indonesia

PT. Multi Tehaka

Kawasan Industri Pulogadung

Jalan Rawa Gelam III No. 2

Jakarta 13930

Indonesia

Tel.: [phone]

Fax: [phone]

E-Mail: [e-mail]

www.multitehaka.co.id

Phillippines

Robert Bosch, Inc.

Zuellig Building

Sen. Gil Puyat Avenue

Makati City 1200, Metro Manila

Philippines

Tel.: [phone]

www.bosch.com.ph

Malaysia

Robert Bosch (SEA.) Pte. Ltd.

No. 8a, Jalan 13/6

46200 Petaling Jaya,

Selangor,

Malaysia

Tel.: [phone]

Fax: [phone]

E-Mail: [e-mail]

Toll Free Tel.: [phone]

Fax: [phone]

www.bosch.com.sg

Thailand

Robert Bosch Ltd.

Liberty Square Building

No. 287, 11 Floor

Silom Road, Bangrak

Bangkok 10500

Tel.: [phone] - 18 88 (10 lines)

Fax: [phone]

Robert Bosch Ltd., P. O. Box 2054

Bangkok 10501, Thailand

Bosch Service – Training Centre

2869-2869/1 Soi Ban Kluay

Rama IV Road (near old Paknam Railway)

Prakanong District

10110 Bangkok

Thailand

Tel.: [phone] - 4

Fax: [phone]

Fax: [phone]

Singapore

Robert Bosch (SEA.) Pte. Ltd.

38 C Jalan Pemimpin

Singapore 915701

Republic of Singapore

Tel.: [phone]

Fax: [phone]

www.bosch.com.sg

Vietnam

Robert Bosch (SEA) Pte. Ltd - Vietnam

Representative Office

Saigon Trade Center, Suite 1206

37 Ton Duc Thang Street,

Ben Nghe Ward, District 1

HCMC

Vietnam

Tel.: [phone]

Fax: [phone]

Australia, New Zealand and Pacific Islands

Robert Bosch Australia Pty. Ltd.

Power Tools

Locked Bag 66

Clayton South VIC 3169

Customer Contact Center

Inside Australia:

Phone: [phone]

Fax: + 61 (01300) 307 045

Inside New Zealand:

Phone: [phone]

Fax: [phone]

Outside AU and NZ:

Phone: [phone]

www.bosch.com.au

Disposal

The machine, accessories and packaging should be sorted for environmental-friendly recycling.

Subject to change without notice.

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安全规章

电动工具通用安全警告

Robert Bosch Korea Mechanics and Electronics Ltd.

전동공구 사업부

Jalan Rawa Gelam III No. 2

Jakarta 13930

Indonesia

Tel.: [phone]

Fax: [phone]

E-Mail: [e-mail]

www.multitehaka.co.id

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