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3 | 1 609 929 N92 | (12.11.08) Bosch Power Tools 2 605 438 414 2 601 099 044 2 608 000 211 2 608 000 200 2 608 000 198 2 608 000 199 2 601 099 074 2 608 604 496 2 608 613 016 P 100: 2 608 604 494 P 280: 2 608 604 495 GAS 25 GAS 50 GAS 50 M GAS 25 GAS 50 GAS 50 M Ø 19 mm 3 m 2 607 002 161 5 m 2 607 002 162 1 609 200 933 Ø 19 mm 3 m 2 600 793 009 5 m 1 610 793 002 OBJ_BUCH-428-002.book Page 3 Wednesday, November 12, 2008 3:21 PM
4 | 1 609 929 N92 | (12.11.08) Bosch Power Tools 6 1 4 5 2 3 GDA 280 E Professional OBJ_BUCH-428-002.book Page 4 Wednesday, November 12, 2008 3:21 PM
5 | 1 609 929 N92 | (12.11.08) Bosch Power Tools F E D C B A 3 7 6 4 6 5 6 5 4 8 9 10 9 9 11 9 OBJ_BUCH-428-002.book Page 5 Wednesday, November 12, 2008 3:21 PM
14 | English 1 609 929 N92 | (12.11.08) Bosch Power Tools en Safety Notes General Power Tool Safety Warnings Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in elec- tric 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. Clut- tered 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. Distrac- tions 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, radia- tors, 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 out- door use. Use of a cord suitable for out- door use reduces the risk of electric shock. f) If operating a power tool in a damp loca- tion is unavoidable, use a residual cur- rent 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 influ- ence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious person- al injury. b) Use personal protective equipment. Al- ways wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protec- tion 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 bat- tery pack, picking up or carrying the tool. Carrying power tools with your fin- ger on the switch or energising power tools that have the switch on invites acci- dents. d) Remove any adjusting key or wrench be- fore turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal inju- ry. e) Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unex- pected situations. f) Dress properly. Do not wear loose cloth- ing or jewellery. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts. WARNING OBJ_BUCH-428-002.book Page 14 Wednesday, November 12, 2008 3:21 PM
English | 15 Bosch Power Tools 1 609 929 N92 | (12.11.08) g) If devices are provided for the connec- tion of dust extraction and collection fa- cilities, 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 cor- rect power tool for your application. The correct power tool will do the job better and safer at the rate for which it was de- signed. 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 re- paired. c) Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjust- ments, 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 unfa- miliar with the power tool or these in- structions to operate the power tool. Power tools are dangerous in the hands of untrained users. e) Maintain power tools. Check for mis- alignment or binding of moving parts, breakage of parts and any other condi- tion that may affect the power tool’s op- eration. 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. Prop- erly 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 in- structions, taking into account the work- ing conditions and the work to be per- formed. 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 qual- ified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained. Safety Warnings for Sander f Use the machine only for dry sanding. Pen- etration of water into the machine increases the risk of an electric shock. f Caution, fire hazard! Avoid overheating the object being sanded as well as the sander. Always empty the dust collector before tak- ing breaks. In unfavourable conditions, e. g., when sparks emit from sanding metals, sand- ing debris in the dust bag, micro filter or pa- per sack (or in the filter sack or filter of the vacuum cleaner) can self-ignite. Particularly when mixed with remainders of varnish, poly- urethane or other chemical materials and when the sanding debris is hot after long pe- riods of working. f Secure the workpiece. A workpiece clamped with clamping devices or in a vice is held more secure than by hand. f Keep your workplace clean. Blends of mate- rials are particularly dangerous. Dust from light alloys can burn or explode. f Never use the machine with a damaged ca- ble. Do not touch the damaged cable and pull the mains plug when the cable is dam- aged while working. Damaged cables in- crease the risk of an electric shock. OBJ_BUCH-428-002.book Page 15 Wednesday, November 12, 2008 3:21 PM
16 | English 1 609 929 N92 | (12.11.08) Bosch Power Tools Functional Description Read all safety warnings and all in- structions. Failure to follow the warnings and instructions may re- sult in electric shock, fire and/or se- rious injury. While reading the operating instructions, unfold the graphics page for the machine and leave it open. Intended Use The machine is intended for dry sanding and polishing of wood, plastic, metal, filler, as well as for painted surfaces. It is ist especially suita- ble for profiles, corners or hard to reach loca- tions. Product Features The numbering of the product features refers to the illustration of the machine on the graphics page. 1 On/Off switch 2 Thumbwheel for orbit frequency preselec- tion 3 Extraction outlet 4 Sanding sheet* 5 Sanding plate 6 SDS button for release of the sanding plate 7 Vacuum hose* 8 Pad extender* 9 Sanding plate for extender* 10 Narrow pad extender* 11 Narrow rounded pad extender* *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 acces- sories program. Technical Data Noise/Vibration Information Measured values determined according to EN 60745. Typically the A-weighted sound pressure level of the product is 80 dB(A). Uncertainty K=3 dB. The noise level when working can exceed 80 dB(A). Wear hearing protection! Vibration total values (triax vector sum) deter- mined according to EN 60745: Vibration emission value ah =4.5 m/s2 , Uncer- tainty K =1.5 m/s2 . The vibration emission level given in this infor- mation 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 repre- sents the main applications of the tool. However if the tool is used for different applications, with different accessories or poorly maintained, the Delta Sander GDA 280 E Professional Article number 0 601 294 7.. Rated power input W 280 No-load speed min-1 6500 – 9500 No-load orbital stroke rate min-1 13000 – 19000 Sanding plate size (corner to corner) mm 94 Orbit diameter mm 2.0 Weight according to EPTA-Procedure 01/2003 kg 1.1 Protection class /II 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 ma- chines may vary. OBJ_BUCH-428-002.book Page 16 Wednesday, November 12, 2008 3:21 PM
English | 17 Bosch Power Tools 1 609 929 N92 | (12.11.08) vibration emission may differ. This may signifi- cantly increase the exposure level over the total working period. An estimation of the level of exposure to vibra- tion should also take into account the times when the tool is switched off or when it is run- ning but not actually doing the job. This may sig- nificantly reduce the exposure level over the to- tal 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. Declaration of Conformity We declare under our sole responsibility that the product described under “Technical Data” is in conformity with the following standards or standardization documents: EN 60745 accord- ing to the provisions of the directives 2004/108/EC, 98/37/EC (until 28 Dec 2009), 2006/42/EC (from 29 Dec 2009). Technical file at: Robert Bosch GmbH, PT/ESC, D-70745 Leinfelden-Echterdingen Robert Bosch GmbH, Power Tools Division D-70745 Leinfelden-Echterdingen 19.09.2008 Assembly f Before any work on the machine itself, pull the mains plug. Dust/Chip Extraction f Dusts from materials such as lead-containing coatings, some wood types, minerals and metal can be harmful to one’s health. Touch- ing or breathing-in the dusts can cause aller- gic reactions and/or lead to respiratory infec- tions 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. – Use dust extraction whenever possible. – Provide for good ventilation of the work- ing place. – It is recommended to wear a P2 filter- class respirator. Observe the relevant regulations in your country for the materials to be worked. External Dust Extraction (see figure A) Attach a vacuum hose 7 onto the outlet piece 3. Connect the vacuum hose 7 with a vacuum cleaner. An overview for connecting to various vacuum cleaners can be found at the beginning of these operating instructions. The vacuum cleaner must be suitable for the ma- terial being worked. When vacuuming dry dust that is especially det- rimental to health or carcinogenic, use a special vacuum cleaner. Replacing the Sanding Sheet (see figure B) When attaching a new sanding sheet, remove any dust or debris from the sanding plate 5 (e. g. with a brush). To ensure optimum dust extraction, pay atten- tion that the punched holes in the sanding sheet match with the holes in the sanding plate. The sanding plate 5 is fitted with Velcro backing for quick and easy fastening of sanding sheets with Velcro adhesion. Before attaching the sanding sheet 4, free the Velcro backing of the sanding plate 5 from any debris by tapping against it in order to enable optimum adhesion. Position the sanding sheet 4 flush alongside one edge of the sanding plate 5, then lay the sanding sheet onto the sanding plate and press firmly. Dr. Egbert Schneider Senior Vice President Engineering Dr. Eckerhard Strötgen Head of Product Certification OBJ_BUCH-428-002.book Page 17 Wednesday, November 12, 2008 3:21 PM
18 | English 1 609 929 N92 | (12.11.08) Bosch Power Tools To remove the sanding sheet 4, grasp it at one of the tips and pull it off from the sanding plate 5. Sanding accessories, such as fleece pads/pol- ishing cloth pads, are attached to the sanding plate in the same manner. Selecting the Sanding Sheet Depending on the material to be worked and the required rate of material removal, different sanding sheets are available: For reworking or polishing, especially of metal and stone, use fleece/polishing cloth pad. Depending on the desired surface quality of the workpiece, different fleece types or polishing cloth pads are to be used. Replacing the Sanding Plate (see figure C) n Slide the SDS button for release of the sand- ing plate 6 all the way to the right. o Remove the sanding plate 5. p Guide the sanding plate 5 from below against the sanding plate holder and firmly press them together. q Slide the SDS button for release of the sand- ing plate 6 all the way to the left. If, e. g., the front tip of the sanding sheet is worn, you can also remove the complete sand- ing plate and reattach it turned by 120°. Specialty Sanding Plates You can replace the supplied sanding plate 5 with a specialty sanding plate, which is available as an accessory. The specialty sanding plate is attached in the same manner as the one supplied. Attach and remove the respective sanding sheets in the same manner as when changing original sanding sheets. Pad Extender (see figure D) With the pad extender 8 you can sand surfaces that are difficult to access, such as sills on win- dows, cabinets or doors. Pad Extender, Narrow (see figure E) With the narrow pad extender 10 you can sand narrow openings, slots and passages. Pad Extender, Narrow Rounded (see figure F) The narrow rounded pad extender 11 allows you to sand curved and hollow areas or surfaces that are curved inward, such as on furniture, rails or heating radiators. Grain size For the working of all wooden materials 40—240 For coarse-sanding, e. g. of rough, unplaned beams and boards coarse 40, 60 For face sanding and planing small irregulari- ties medium 80, 100, 120 For finish and fine sand- ing of hard woods fine 180, 240 For the working of paint/enamel coats or primers and fillers 40—320 For sanding off paint coarse 40, 60 For sanding primer medium 80, 100, 120 For final sanding of prim- ers before coating fine 180, 240, 320 OBJ_BUCH-428-002.book Page 18 Wednesday, November 12, 2008 3:21 PM
English | 19 Bosch Power Tools 1 609 929 N92 | (12.11.08) Operation Starting Operation f 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 machine, push the On/Off switch 1 towards the front to “I”. To switch off the machine, push the On/Off switch 1 towards the rear to “0”. Preselecting the Orbital Stroke Rate With the thumbwheel for preselection of the or- bital stroke rate 2, you can preselect the re- quired orbital stroke rate, even during opera- tion. The required stroke rate depends on the materi- al and the working conditions and can be deter- mined through practical testing. Working Advice f Wait until the machine has come to a stand- still before placing it down. The removal capacity during sanding is mainly determined by the selection of the sanding sheet as well as the preselected orbital stroke rate. Only flawless sanding sheets achieve good sanding capacity and extend the service life of the machine. Pay attention to apply uniform sanding pres- sure; this increases the working life of the sand- ing sheets. Intensifiying the sanding pressure does not lead to an increase of the sanding capacity, but to in- creased wear of the machine and the sanding sheet. For precise on-the-spot sanding of edges, cor- ners and hard to reach areas, it is also possible to work only with the tip or an edge of the sand- ing plate. A sanding sheet that has been used for metal should not be used for other materials. Use only original Bosch sanding accessories. Maintenance and Service Maintenance and Cleaning f Before any work on the machine itself, pull the mains plug. f For safe and proper working, always keep the machine and ventilation slots clean. 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. WARNING! Important instructions for con- necting a new 3-pin plug to the 2-wire cable. The wires in the cable are coloured according to the following code: Do not connect the blue or brown wire to the earth terminal of the plug. Important: If for any reason the moulded plug is removed from the cable of this power tool, it must be disposed of safely. OBJ_BUCH-428-002.book Page 19 Wednesday, November 12, 2008 3:21 PM
20 | English 1 609 929 N92 | (12.11.08) Bosch Power Tools After-sales Service and Customer Assistance Our after-sales service responds to your ques- tions 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 ques- tions concerning best buy, application and ad- justment of products and accessories. Great Britain Robert Bosch Ltd. (B.S.C.) P.O. Box 98 Broadwater Park North Orbital Road Denham Uxbridge UB 9 5HJ Tel. Service: +44 (0844) 736 0109 Fax: +44 (0844) 736 0146 E-Mail: SPT-Technical.firstname.lastname@example.org Ireland Origo Ltd. Unit 23 Magna Drive Magna Business Park City West Dublin 24 Tel. Service: +353 (01) 4 66 67 00 Fax: +353 (01) 4 66 68 88 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: +61 (01300) 307 044 Fax: +61 (01300) 307 045 Inside New Zealand: Phone: +64 (0800) 543 353 Fax: +64 (0800) 428 570 Outside AU and NZ: Phone: +61 (03) 9541 5555 www.bosch.com.au Disposal The machine, accessories and packaging should be sorted for environmental-friendly recycling. Only for EC countries: Do not dispose of power tools in- to household waste! According the European Guideline 2002/96/EC for Waste Electrical and Electronic Equipment and its implementation into national right, power tools that are no longer usable must be collected separately and disposed of in an environmentally correct manner. Subject to change without notice. OBJ_BUCH-428-002.book Page 20 Wednesday, November 12, 2008 3:21 PM
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