Bosch Power Tools GmbH 5000 GGS Professional Straight Grinder Instruction Manual

Bosch Power Tools GmbH 5000 GGS Professional Straight Grinder

Product Information

The GGS Professional 5000 and 5000 L are power tools manufactured by Robert Bosch Power Tools GmbH, located in Stuttgart, Germany. These tools are intended for industrial use and come with original instructions in various languages, including English, French, Portuguese, Chinese, Korean, Thai, Indonesian, Vietnamese, Arabic, and Farsi. The product is designed to be used as a mains-operated (corded) power tool or battery-operated (cordless) power tool.

Product Usage Instructions

Safety Notes

• Read all safety warnings and instructions provided in the manual before using the product. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
• Keep the work area clean and well-lit to avoid accidents.
• Do not operate the power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust.
• Keep children and bystanders away while operating a power tool to avoid distractions that can cause you to lose control.
• Power tool plugs must match the outlet. Never modify the plug in any way.
• Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges, and refrigerators.
• Do not expose power tools to rain or wet conditions to avoid an increased risk of electric shock.
• 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 extension cord suitable for outdoor use to reduce the risk of electric shock.

Product Usage

• Ensure that the power tool is connected to the correct outlet and that the plug matches the outlet.
• Make sure that the work area is clean and well-lit.
• Do not use the power tool in explosive atmospheres such as in the presence of flammable liquids, gases, or dust.
• Keep children and bystanders away while operating the power tool to avoid distractions.
• Do not expose the power tool to rain or wet conditions.
• Hold the power tool firmly with both hands while using it.
• Do not modify the plug in any way.
• Use an extension cord suitable for outdoor use if operating the power tool outdoors.
• Do not abuse the cord. Keep it away from heat, oil, sharp edges, and moving parts.
• Follow all instructions provided in the manual.

Safety Notes

General Power Tool Safety Warnings
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 mainsoperated (corded) power tool or battery- operated (cordless) power tool.

Work area safety

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

Electrical safety

• 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 andmatching outlets will reduce risk of electric shock.
• 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.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
• 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 extension 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 unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock

Personal safety

• 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.
• 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.
• 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.
• 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.
• 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 jewellery. 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 extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce 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 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.
• 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 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.

Service
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 intended to function as a grinder. Read 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 recommended for sandpaper grinding, wire brushing, polishing and abrasive cut-off operations. Operations for which the power tool was 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 grinding accessory must be at least equal to the maximum speed marked on the power tool. Grinding accessories rotating faster than their permitted speed can break and fly around.
• 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 arbour size of wheels, sanding drums or any other accessory must properly fit the spindle or collet of the power tool. Accessories that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively and may cause loss of control.
• Mandrel-mounted wheels, grinding cylinders, cutting tools or other accessories must be inserted fully into the collet or chuck. The “protrusion” or exposed part of the mandrel between grinding accessory and collet or chuck must be minimal. If the mandrel is not sufficiently clamped or the grinding accessory is too far forward, the accessory may become loose and be ejected at great speed.
•  Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheels for chips and cracks, sanding drum 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 shop 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 the power tool only by the insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring or its own connecting cable. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
• Always hold the tool firmly in your hand(s) during the start-up. The reaction torque of the motor, as it accelerates to full speed, can cause the tool to twist.
• If possible, use clamps to fix the workpiece. Never hold a small workpiece in one hand whilst operating the power tool in the other. Clamping small workpieces gives you both hands free to better control the power tool. Round workpieces such as wooden dowels, bars or pipes tend to roll away when being cut, which can cause the accessory to jam and be hurled towards you.
• Position the connecting cable clear of the spinning accessory. If you lose control of the power tool, the connecting cable 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 wheel may grab the surface and pull the power tool out of your control.
• After changing the bits or making any adjustments, make sure the collet nut, chuck or any other adjustment devices are securely tightened. Loose adjustment devices can unexpectedly shift, causing loss of control, loose rotating components will be violently thrown.
• 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, belt, brush or any other accessory. Pinchingor 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. 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. The operator can control kickback forces, if proper precautions are taken.
• 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 use a toothed saw blade. Such blades create frequent kickback and loss of control over the power tool.
• Always feed the accessory into the material in the same direction in which the cutting edge exits the material (the same direction in which the chips are ejected). Feeding the power tool in the wrong direction causes the cutting edge of the accessory to run out of the workpiece, which causes the power tool to be pulled in this feed direction.
• Always clamp the workpiece securely when using rotating files, high-speed routing bits or carbide routing bits. These accessories snag in the groove even upon slight tilting and can cause kickback. If rotating files, highspeed routing bits or carbide routing bits snag, the accessory can jump out of the groove and lead to loss of control over the power tool.

Additional safety instructions for grinding

• Use only wheel types that are recommended for your power tool and only for recommended applications. For example: do not grind with the side of a cut-off wheel. Abrasive cut-off wheels are intended for peripheral grinding, side forces applied to these wheels may cause them to shatter.
• For threaded abrasive cones and plugs use only undamaged wheel mandrels with an unrelieved shoulder flange that are of correct size and length. Proper mandrels will reduce the possibility of breakage.

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.
• Do not touch abrasive wheels until they have cooled down. The discs can become very hot while working.
• Secure the workpiece. A workpiece clamped with clamping devices or in a vice is held more secure than by hand.
• Products sold in GB only: Your product is fitted with a 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 authorised 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 socket elsewhere. Products sold in AUS and NZ only: Use a residual current device (RCD) with a rated residual current of 30 mA or less.

Product Description and Specifications

Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Intended Use
The machine is designed for grinding and deburring 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
2. Clamping nut
3. Grinder spindle
4. Spindle collar
5. On/Off switch
6. Handle (insulated gripping surface)
7. Protective sleeve
8. Holding rod*
9. Open-end spanner, size 17mm*
10. Inner shank dimension L0

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

Noise/Vibration Information

Sound emission values determined according to EN 60745-2-23.|  | GGS 5000| GGS 5000 L
---|---|---|---
 | 3 601 B23 0..| 3 601 B24 1..
Typically the A-weighted noise levels of the product are Sound pressure level

Sound power level Uncertainty K

Wear hearing protection!

| ****

dB(A)

dB(A)

dB

| ****

80

91

3

| ****

81

92

3

Vibration total values ah (triax vector sum) and uncertain- ty K determined according to EN 60745-2-23.

Grinding surfaces (roughing): ah

K

| ****

m/s2 m/s2

| ****

7.0

1.5

| ****

18.5

1.5

The vibration 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 exposure. The declared vibration emission level represents the main applications of the tool. However if the tool is used for different applications, with different accessories or insertion tools or is poorly maintained, the vibration emission may differ. This may significantly increase 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 significantly reduce the exposure level over the total working period. Identify additional safety measures to protect the operator from the effects of vibration such as: maintain the tool and the accessories, keep the hands warm, organisation of work patterns.

Only for EC countries:
Declaration of Conformity We declare under our sole responsibility that the product described under “Technical Data” is in conformity with all relevant provisions of the directives 2011/65/EU, until 19 April 2016: 2004/108/EC, from 20 April 2016 on: 2014/30/EU, 2006/42/EC including their amendments and complies with the following standards: EN 60745-1, EN 60745-2-23, EN 50581.

Assembly

• Before any work on the machine itself, pull the mains plug.
• Only use grinding points with a matching shank diameter. A grinding point/accessory with a shank diameter that does not fit the tool holder (see “Technical Data”), can not be clamped properly and will damage the collet chuck.
• The application tool must be clamped at least 10mm. The inner shank dimension L0 can be used to calculate the maximum permitted speed of the application tool from the specifications provided by manufacturer of the application tool. It must not be less than the maximum speed of the power tool.

Mounting the Grinding Tools (GGS 5000)

• Clean the grinder spindle 3 and all parts to be mounted.
• Turn the grinder spindle 3 until the hole in the grinder spindle 3 and the openings of the housing are aligned. Insert the holding rod 8 through the openings of the housing and the hole of the grinder spindle 3.
• Loosen the clamping nut 2 with the open-end spanner 9 (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 9 (size 17 mm) by turning in clockwise direction.

The grinding tools must run completely concentrical. Do not continue to use out-of-round grinding accessories, instead, replace before continuing to work. 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

Mounting the Grinding Tools (GGS 5000 L)

• Clean the grinder spindle 3 and all parts to be mounted.
• Hold the grinder spindle 3 with open-end spanner 11 by the spanner flats.
• Loosen the clamping nut 2 with open-end spanner 12 by applying it to the spanner flats and turning in anticlockwise direction.
• Insert the clamping shaft of the grinding tool to the stop into the collet chuck 1.
• Hold the grinder spindle 3 firmly with open-end spanner 11 and clamp the tool bit with open-end spanner 12 by the spanner flats, turning in clockwise direction.

The grinding tools must run completely concentrical. Do not continue to use out-of-round grinding accessories, instead, replace before continuing to work. 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

• Dust 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 dust can causeallergic reactions and/or lead to respiratory infections of the user or bystanders. Certain dust, such as oak or beech dust, is considered 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.

• Prevent dust accumulation at the workplace. Dust can easily ignite.

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.
• Visually check the collet chuck 1 and the clamping nut 2 are free from cracks or defects before use.

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

Working Advice

• Before any work on the machine itself, pull the mains plug.
• Do not strain the machine so heavily that it comes to a standstill.
• After heavily straining the power tool, continue to run it at no-load for several minutes to cool down the accessory.
• Application tools can become very hot while working. Do not touch them before they have cooled down.
• Protect the abrasive wheels from impacts.

Optimum grinding results are achieved when the grinding tool is moved uniformly back and forth with light pressure. Pressure that is too strong reduces the performance capability of the machine and causes the grinding tool to wear more quickly.

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 conditions, always use dust extraction as far as possible. Blow out ventilation slots frequently and install a portable residual current device (PRCD). When working metals, conductive dust can settle in the interior  of the power tool. The total insulation of the powertool can be impaired.

Please store and handle the accessory(-ies) carefully. If the replacement of the supply cord is necessary, this has to be done by Bosch or an authorized Bosch service agent in order to avoid a safety hazard.

After-sales Service and Application Service
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

Bosch’s application service team will gladly answer questions concerning our products and their accessories. In all correspondence and spare parts orders, please always include the 10-digit article number given on the nameplate of the product.

Robert Bosch Power Tools GmbH 70538 Stuttgart GERMANY www.bosch- pt.com 1 609 92A 2F2 (2015.08) O / 67 ASIA

References

• Invented for life | Bosch Global
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• Dụng cụ điện cầm tay Bosch | Dụng cụ điện cầm tay Bosch
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