WSG 25180 - Grinder Fein - Free user manual and instructions

USER MANUAL WSG 25180 Fein

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WSG20-180 WSG20-230 WSG25-180 WSG25-230 WSG20-180 WSG20-230 WSG25-180 WSG25-230 OBJ_BUCH-0000000033-003.book Page 5 Thursday, February 6, 2014 9:58 AM6

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Original Instructions. Symbols, abbreviations and terms used. Symbol, character Explanation General prohibition sign. This action is prohibited. Do not touch the rotating parts of the power tool. Observe the instructions in the text or graphic opposite! Make sure to read the enclosed documents such as the Instruction Manual and the General Safety Instructions. Before commencing this work step, pull the mains plug out of the socket. Otherwise there will be danger of injury if the power tool should start unintentionally. Use eye protection during operation. Use ear protection during operation. Use protective gloves during operation. A surface that can be touched may be very hot and thus hazardous. Gripping surface Additional information. Confirms the conformity of the power tool with the directives of the European Community. This sign indicates a possible dangerous situation that could cause severe or fatal injury. Worn out power tools and other electrotechnical and electrical products should be sorted separately for environmental-friendly recycling. Product with double or reinforced insulation WARNING Character Unit of measure- ment, international Unit of measure- ment, national Explanation

, rpm, r/min rpm Rated speed

WWOutput U VVRated voltage f Hz Hz Frequency M... mm mm Size of metric thread Ø mm mm Diameter of a round part mm mm Ø

=Max. diameter of grinding/cutting disc

=Diameter of mounting hole T=Thickness of grinding/cutting disc mm mm Ø

=Max. sanding pad diameter mm mm M=Thread for clamping flange l=Length of mounting thread kg kg Weight according to EPTA-Procedure 01/2003 OBJ_BUCH-0000000033-003.book Page 19 Thursday, February 6, 2014 9:58 AM20

For your safety. 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. Do not use this power tool before you have thor- oughly read and completely understood this Instruction Manual and the enclosed “General Safety Instructions” (document number 3 41 30 054 06 1). The documents mentioned should be kept for later use and enclosed with the power tool, should it be passed on or sold. Please also observe the relevant national industrial safety regulations. Intended use of the power tool: Hand-guided angle grinder for dry grinding/roughing and cutting of metal and stone in weather-protected environ- ments with the application tools and accessories recom- mended by FEIN. This power tool is also suitable for use with AC genera- tors with sufficient power output that correspond to the Standard ISO 8528, design type G2. This Standard is par- ticularly not complied with when the so-called distortion factor exceeds 10 %. When in doubt, please refer to the generator instruction/specification guide. Safety Warnings common for Grinding, Sanding, Wire Brushing, Polishing or Abrasive Cutting Off operations This power tool is intended to function as a grinder, sander, wire brush or cut-off tool. Read all safety warn- ings, instructions, illustrations and specifications pro- vided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. Operations such as polishing are not recommended to be performed with this power tool. 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 accessory must be at least equal to the maximum speed marked on the power tool. Acces- sories 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. Threaded mounting of accessories must match the grinder spindle thread. For accessories mounted by flanges, the arbour hole of the accessory must fit the locating diameter of the flange. 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. 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 acces- sory is dropped, inspect for damage or install an undam- aged 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 testtime. Wear personal protective equipment. Depending on appli- cation, use face shield, safety goggles or safety glasses. Where 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 opera- tion. 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 pro- tective equipment. Fragments of workpiece or of a bro- ken accessory may fly away and cause injury beyond immediate area of operation.

dB dB Sound pressure level

pCpeak dB dB Peak sound pressure level K... Uncertainty m/s

Vibrational emission value according to EN 60745 (vector sum of three directions) h,AG m/s

Basic and derived units of measurement from the international system of units SI. Character Unit of measure- ment, international Unit of measure- ment, national Explanation WARNING OBJ_BUCH-0000000033-003.book Page 20 Thursday, February 6, 2014 9:58 AM21

Hold the power tool by insulated gripping surfaces only, when performing an operation where the cutting acces- sory 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 could give the operator an electric shock. 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 con- trol. 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 acces- sory. 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 mate- rial 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 incor- rect 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. Safety warnings specific for grinding and abrasive cutting-off operations 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. The grinding surface of the centre depressed wheels must be mounted below the plane of the guard lip. An improperly mounted wheel that projects through the plane of the guard lip cannot be adequately protected. The guard must be securely attached to the power tool and positioned for maximum safety, so the least amount of wheel is exposed towards the operator. The guard helps to protect operator from broken wheel fragments, accidental contact with wheel and sparks that could ignite clothing. 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 periph- eral 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 differ- ent 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 specific for abrasive cutting off operations Do not “jam” the cut-off wheel or apply excessive pres- sure. Do not attempt to make an excessive depth of cut. Overstressing the wheel increases the loading and sus- ceptibility to twisting or binding of the wheel in the cut and the possibility of kickback or wheel breakage. Do not position your body in line with and behind the rotating wheel. When the wheel, at the point of opera- tion, is moving away from your body, the possible kick- back may propel the spinning wheel and the power tool directly at you. When wheel is binding or when interrupting a cut for any reason, switch off the power tool and hold the power tool motionless until the wheel comes to a complete stop. Never attempt to remove the cut-off wheel from the cut while the wheel is in motion otherwise kickback may occur. Investigate and take corrective action to eliminate the cause of wheel binding. Do not restart the cutting operation in the workpiece. Let the wheel reach full speed and carefully re-enter the cut. The wheel may bind, walk up or kickback if the power tool is restarted in the workpiece. OBJ_BUCH-0000000033-003.book Page 21 Thursday, February 6, 2014 9:58 AM22

Support panels or any oversized workpiece to minimize the risk of wheel pinching and kickback. Large work- pieces tend to sag under their own weight. Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both sides of the wheel. Use extra caution when making a “pocket cut” into exist- ing walls or other blind areas. The protruding wheel may cut gas or water pipes, electrical wiring or objects that can cause kickback. Safety warnings specific for sanding operations Do not use excessively oversized sanding disc paper. Fol- low manufacturers recommendations, when selecting sanding paper. Larger sanding paper extending beyond the sanding pad presents a laceration hazard and may cause snagging, tearing of the disc, or kickback. Safety warnings specific for wire brushing opera- tions Be aware that wire bristles are thrown by the brush even during ordinary operation. Do not overstress the wires by applying excessive load to the brush. The wire bristles can easily penetrate light clothing and/or skin. If the use of a guard is recommended for wire brushing, do not allow any interference of the wire wheel or brush with the guard. Wire wheel or brush may expand in diameter due to work load and centrifugal forces. Further safety warnings Use elastic spacers/liners when these are provided with the grinding accessory. Make sure that the application tools are mounted in accordance with the manufacturers instructions. The mounted application tools must be able to rotate freely. Incorrectly mounted application tools can become loose during operation and be thrown from the machine. Handle grinding accessories carefully and store them according to the manufacturer’s instructions. Damaged grinding accessories can develop cracks and burst during operation. When using application tools with a threaded insert, take care that the thread in the application tool is long enough to hold the spindle length of the power tool. The thread in the application tool must match the thread on the spindle. Incorrectly mounted application tools can loosen during operation and cause injuries. Beware of any concealed electric cables, gas or water conduits. Check the working area before commencing work, e. g. with a metal detector. Use a stationary extraction system, blow out ventilation slots frequently and connect a residual current device (RCD) on the line side. When working metal under extreme operating conditions, it is possible for conduc- tive dust to settle in the interior of the power tool. The total insulation of the power tool can be impaired. Do not rivet or screw any name-plates or signs onto the power tool. If the insulation is damaged, protection against an electric shock will be ineffective. Adhesive labels are recommended. Always work with the auxiliary handle. The auxiliary han- dle ensures reliable guiding of the power tool. Before putting into operation, check the mains connec- tion and the mains plug for damage. Recommendation: The tool should always be supplied with power via a residual current device (RCD) with a rated current of 30 mA or less. Hand/arm vibrations The vibration emission level given in this information sheet has been measured in accordance with a standard- ised 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 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 opera- tor from the effects of vibration such as: maintain the tool and the accessories, keep the hands warm, organisation of work patterns. Handling hazardous dusts For work procedures with this power tool where mate- rial is removed, dusts develop that can be hazardous to one’s health. Contact with or inhaling some dust types, e. g. asbestos and asbestos-containing materials, lead-containing coat- ings, metal, some wood types, minerals, silicate particles from materials containing stone, paint solvents, wood preservatives, antifouling paints for vessels, can trigger allergic reactions to the operator or bystanders and/or lead to respiratory infections, cancer, birth defects or other reproductive harm. The risk from inhaling dusts depends on the exposition. Use dust extraction matched appropriately for the developing dust, as well as personal protective equipment and provide for good ventilation of the workplace. Leave the processing of asbestos-contain- ing materials to specialists. Wood and light-metal dust, hot mixtures of sanding dust and chemical materials can self-ignite under unfavourable conditions or cause an explosion. Avoid sparking in the direction of the dust collector as well as overheating of the power tool and the materials being sanded, empty the dust collector/container in time, observe the material manufacturer’s working instructions, as well as the rele- vant regulations in your country for the materials being worked. OBJ_BUCH-0000000033-003.book Page 22 Thursday, February 6, 2014 9:58 AM23

Operating Instructions. The self-start lock prevents the angle grinder from auto- matically restarting again, even after a brief interruption of the power supply, e. g., from a pulled mains plug. WSG20/WSG25: Press the locking button only when the motor is stopped (see page 5). WSB20/WSB25: Turn the clamping unit in when the rapid-clamping lever is open. Manually tighten the clamping unit until a ratch- eting noise starts. Fold the rapid-clamping lever back until it engages (see page 6). Notes: The electronic braking system EBS starts the brak- ing effect with a brief delay when the machine runs down and stops the grinding accessory within a few seconds. When the power supply is interrupted during operation or when the mains plug is pulled during operation, the grinding accessory runs out without a braking effect. Repair and customer service. When working metal under extreme operat- ing conditions, it is possible for conductive dust to settle in the interior of the power tool. The total insulation of the power tool can be impaired. Blow out the interior of the power tool via the ventila- tion slots frequently with dry and oil-free compressed air, and connect a residual current device (RCD) on the line side. WSB20/WSB25: Manually screw on the clamping unit to protect it against damage and debris. If the supply cord of this power tool is damaged, it must be replaced by a specially prepared cord available through the FEIN customer service centre. The current spare parts list for this power tool can be found in the Internet at www.fein.com. If required, you can change the following parts yourself: Application tools, auxiliary handle, clamping unit or flanges, wheel guard Warranty and liability. The warranty for the product is valid in accordance with the legal regulations in the country where it is marketed. In addition, FEIN also provides a guarantee in accordance with the FEIN manufacturer’s warranty declaration. The delivery scope of your power tool may include only a part of the accessories described or shown in this Instruction Manual. Declaration of conformity. FEIN declares itself solely responsible for this product conforming with the relevant provisions given on the last page of this Instruction Manual. Technical documents at: C. & E. FEIN GmbH, C-DB_IA, D-73529 Schwäbisch Gmünd Environmental protection, disposal. Packaging, worn out power tools and accessories should be sorted for environmental-friendly recycling. Selection of accessories (see pages 12 –13). Use only original FEIN accessories. The accessories must be intended for the power tool type. A Grinding disc, flap disc (use only with mounted wheel guard) B Steel wire brush (use only with mounted wheel guard) C Backing pad for fibre sanding sheets, fibre sanding sheets (mount only with the provided backing-pad clamping unit; use only with mounted hand guard or wheel guard) D Backing pad with Velcro, Velcro sanding sheets, sand- ing fleece with Velcro attachment (use only with mounted hand guard) E Steel cup brush, round twist brushes (use only with mounted hand guard) F Cutting disc (use only with mounted cut-off wheel guard) OBJ_BUCH-0000000033-003.book Page 23 Thursday, February 6, 2014 9:58 AM24

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