Bosch Gws 22230 H Manual
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14 | English 1 609 92A 0ML | (9.4.14)Bosch Power Tools A properly attached, undam- aged quick-clamping nut can be loosened by hand when turning the knurled ring in an- ticlockwise direction. Never loosen a tight quick- clamping nut with pliers. Al- ways use the two-pin span- ner. Insert the two-pin span- ner as shown in the illustration. Grinding/Cutting Disc Pay attention to the dimensions of the grinding tools. The mounting hole diameter must fit the mounting flange without play. Do not use reducers or adapters. When using diamond cutting discs, pay attention that the di- rection-of-rotation arrow on the diamond cutting disc and the direction of rotation of the machine (see direction-of-rotation arrow on the machine head) agree. See graphics page for the mounting sequence. To fasten the grinding/cutting disc, screw on the clamping nut 7 and tighten with the two-pin spanner; see Section “Quick- clamping Nut ”. After mounting the grinding tool and before switching on, check that the grinding tool is correctly mounted and that it can turn freely. Make sure that the grinding tool does not graze against the protection guard or oth- er parts. A plastic part (O-ring) is fitted around the centring collar of mounting flange 5. If the O-ring is missing or damaged, the mounting flange 5 must be replaced before resuming operation. Flap Disc For operations with the flap disc, always mount the hand guard 12. Rubber Sanding Plate For operations with the rubber sanding plate 14, always mount the hand guard 12. See graphics page for the mounting sequence. Before mounting the rubber sanding plate 14, attach the 2spacer discs 13 to the grinder spindle 4 (GWS 20-230 H / GWS 22-180 H / GWS 22-230 H/JH / GWS 24-180 H / GWS 24-230 H /JH / GWS 26-180 H / GWS 26-230 B/H). Screw on the round nut 16 and tighten with the two-pin span- ner. Note: Expect more force to be required to loosen the round nut 16 (GWS 24-230 JVX).Cup Brush/Disc Brush For operations with the cup brush/wheel brush, always mount the hand guard 12. See graphics page for the mounting sequence. The cup brush/disc brush must be able to be screwed onto the grinder spindle until it rests firmly against the grinder spindle flange at the end of the grinder spindle threads. Tight- en the cup brush/disc brush with an open-end spanner. Note: Expect more force to be required to loosen the grinding tool (GWS 24-230 JVX). Grinding Cup (GWS 20-230 H / GWS 22-180 H / GWS 22-230 H /JH / GWS 24-180 H / GWS 24-230 H / JH / GWS 26-180 H / GWS 26-230 B / H) When working with the grinding cup, mount the special protection guard 24. The grinding cup 25 should never project further out of the protection guard 24 than necessary for the respective grind- ing application. Adjust the protection guard 24 accordingly to this dimension. See graphics page for the mounting sequence. Screw on clamping nut 7 and tighten with two-pin spanner 26. Approved Grinding Tools All grinding tools mentioned in these operating instructions can be used. The permissible speed [min -1] or the circumferential speed [m/s] of the grinding tools used must at least match the values given in the table. Therefore, observe the permissible rotational/circumferen- tial speed on the label of the grinding tool. max. [mm][mm] Dbd[min-1][m/s] 180 2308 822.2 22.28500 650080 80 180 230––8500 650080 80 100 30 M 14 8 500 45 bd D D D bd OBJ_BUCH-827-007.book Page 14 Wednesday, April 9, 2014 1:53 PM
English | 15 Bosch Power Tools1 609 92A 0ML | (9.4.14) Rotating the Main Handle (GWS 24-230 JVX / GWS 26-230 B) Before any work on the machine itself, pull the mains plug. The main handle 34 can be rotated with respect to the ma- chine housing toward the left or right in steps of 90°. In this manner, the On/Off switch can be brought into a more con- venient position for special working situations, e.g., for cut- ting operations using the cutting guide with dust extraction protection guard 18 or for left-handed persons. Press the handle unlocking button 35 in the direction of the arrow and at the same time turn the main handle 34 to the re- quested position until it latches. Rotating the Machine Head (GWS 20-230 H / GWS 22-180 H / GWS 22-230 H / JH / GWS 24-180 H / GWS 24-230 H / JH / GWS 26-180 H / GWS 26-230 B / H) Before any work on the machine itself, pull the mains plug. The machine head can be rotated with respect to the machine housing in 90 ° steps. In this man- ner, the On/Off switch can be brought into a more convenient position for special working situa- tions, e. g., for cutting op- erations using the cutting guide with dust extrac- tion protection guard 18 or for left-handed persons. Completely unscrew the four screws. Rotate the machine head carefully, without removing it from the housing, to the new position. Screw in and tighten the four screws again. 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. – As far as possible, use a dust extraction system suita- ble for the material. – 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 easily ignite. Operation Starting Operation Observe correct mains voltage! The voltage of the pow- er 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. When operating the machine with power from mobile genera- tors that do not have sufficient reserve capacity or are not equipped with suitable voltage control with starting current amplification, loss of performance or untypical behavior can occur upon switching on. Please observe the suitability of the power generator being used, particularly with regard to the mains voltage and fre- quency. Switching On and Off To start the power tool, press the On/Off switch 2 forward and then down. To lock-on the pressed On/Off switch 2, push the On/Off switch 2 further forward. To switch off the power tool, release the On/Off switch 2, or when it is locked, briefly press the On/Off switch 2 and then release it. To save energy, only switch the power tool on when using it. Switch Version without Lock-on (country-specific): To start the power tool, press the On/Off switch 2 forward and then down. To switch off the machine, release the On/Off switch 2. 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 grind- ing tools. Damaged grinding tools can burst and cause in- juries. Run-on Brake (GWS 24-230 JVX) The power tool is equipped with the Bosch Brake System, a patented electromechani- cal run-on brake. When switching off or when the power sup- ply is interrupted, the machine comes to a complete stop within a few seconds. This means a reduction of the run-on time of approx. 70 % when compared with angle grinders without run-on brake, which al- lows for the power tool to be placed down sooner. 35 34 OBJ_BUCH-827-007.book Page 15 Wednesday, April 9, 2014 1:53 PM
16 | English 1 609 92A 0ML | (9.4.14)Bosch Power Tools Note: When the braking effect decreases noticeably, the run- on brake has failed. The power tool should be sent immediate- ly to an after-sales service (for addresses, see section “After- sales Service and Application Service”. Reduced starting current (GWS 22-230 JH / GWS 24-230 JH / JVX) The electronic reduced starting current limits the power con- sumption when switching the tool on and enables operation from a 13 ampere fuse. Note: When the machine runs at full speed immediately after switching on, the reduced starting current has failed. The power tool should be sent immediately to an after-sales ser- vice (for addresses, see section “After-sales Service and Ap- plication Service”, page 17). Working Advice Exercise caution when cutting slots in structural walls; see Section “Information on Structures”. Clamp the workpiece if it does not remain stationary due to its own weight. 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 acces- sory. Do not touch grinding and cutting discs before they have cooled down. The discs can become very hot while working. Do not use the power tool with a cut-off stand. Note: When not using for extended periods, pull the mains plug out of the socket outlet. When the mains plug is inserted and mains voltage is given, the power tool, even when switched off, still consumes a low amount of current. Rough Grinding Never use a cutting disc for roughing. The best roughing results are achieved when setting the ma- chine at an angle of 30 ° to 40 ° . Move the machine back and forth with moderate pressure. In this manner, the workpiece will not become too hot, does not discolour and no grooves are formed. Flap Disc With the flap disc (accessory), curved surfaces and profiles can be worked. Flap discs have a considerably higher service life, lower noise levels and lower sanding temperatures than conventional sanding sheets. Cutting Metal For cutting with bonded abrasives, always use the pro- tection guard for cutting 23/32. When cutting, work with moderate feed, adapted to the mate- rial being cut. Do not exert pressure onto the cutting disc, tilt or oscillate the machine. Do not reduce the speed of running down cutting discs by ap- plying sideward pressure.The machine must al- ways work in an up- grinding motion. Other- wise, the danger exists of it being pushed un- controlled out of the cut. When cutting profiles and square bar, it is best to start at the smallest cross section. Cutting Stone Provide for sufficient dust extraction when cutting stone. Wear a dust respirator. The machine may be used only for dry cutting/grinding. For cutting stone, it is best to use a diamond cutting disc. When using the cutting guide with dust extraction protection guard 18, the vacuum cleaner must be approved for vacuum- ing masonry dust. Suitable vacuum cleaners are available from Bosch. Switch on the machine and place the front part of the cutting guide on the workpiece. Slide the machine with moderate feed, adapted to the ma- terial to be worked. For cutting especially hard material, e. g., concrete with high pebble content, the diamond cutting disc can overheat and become damaged as a result. This is clearly indicated by cir- cular sparking, rotating with the diamond cutting disc. In this case, interrupt the cutting process and allow the dia- mond cutting disc to cool by running the machine for a short time at maximum speed with no load. Noticeably decreasing work progress and circular sparking are indications of a diamond cutting disc that has become dull. Briefly cutting into abrasive material (e. g. lime-sand brick) can resharpen the disc again. Information on Structures Slots in structural walls are subject to the Standard DIN 1053 Part 1, or country-specific regulations. These regulations are to be observed under all circumstanc- es. Before beginning work, consult the responsible structural engineer, architect or the construction supervisor. OBJ_BUCH-827-007.book Page 16 Wednesday, April 9, 2014 1:53 PM
English | 17 Bosch Power Tools1 609 92A 0ML | (9.4.14) 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 residual current device (RCD). When work- ing metals, conductive dust can settle in the interior of the power tool. The total insulation of the power tool can be im- paired. 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 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- so 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 order, please always in- clude the 10-digit article number given on the type plate of the machine. Great Britain Robert Bosch Ltd. (B.S.C.) P.O. Box 98 Broadwater Park North Orbital Road Denham Uxbridge UB 9 5HJ At www.bosch-pt.co.uk you can order spare parts or arrange the collection of a product in need of servicing or repair. Tel. Service: (0844) 7360109 E-Mail: [email protected] Ireland Origo Ltd. Unit 23 Magna Drive Magna Business Park City West Dublin 24 Tel. Service: (01) 4666700 Fax: (01) 4666888Australia, 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: (01300) 307044 Fax: (01300) 307045 Inside New Zealand: Phone: (0800) 543353 Fax: (0800) 428570 Outside AU and NZ: Phone: +61 3 95415555 www.bosch.com.au Republic of South Africa Customer service Hotline: (011) 6519600 Gauteng – BSC Service Centre 35 Roper Street, New Centre Johannesburg Tel.: (011) 4939375 Fax: (011) 4930126 E-Mail: [email protected] KZN – BSC Service Centre Unit E, Almar Centre 143 Crompton Street Pinetown Tel.: (031) 7012120 Fax: (031) 7012446 E-Mail: [email protected] Western Cape – BSC Service Centre Democracy Way, Prosperity Park Milnerton Tel.: (021) 5512577 Fax: (021) 5513223 E-Mail: [email protected] Bosch Headquarters Midrand, Gauteng Tel.: (011) 6519600 Fax: (011) 6519880 E-Mail: [email protected] Disposal 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 to the European Directive 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 notice. OBJ_BUCH-827-007.book Page 17 Wednesday, April 9, 2014 1:53 PM
| 95 Bosch Power Tools1 609 92A 0ML | (9.4.14) OBJ_BUCH-827-007.book Page 95 Wednesday, April 9, 2014 1:53 PM
1 609 92A 0ML | (9.4.14)Bosch Power Tools 96 | 1 605 703 099 1 603 340 031 1 603 340 040 1 607 950 043 2 602 025 181 1 601 329 013 1 600 793 007 2 605 438 197 1 605 510 179 Ø 180 mm 1 605 510 180 Ø 230 mm2 605 510 297 2 605 510 298 Ø 180 mm Ø 230 mm 2 605 510 299 2 605 510 300 Ø 180 mm Ø 230 mm 1 605 510 181 1 605 703 099 1 603 340 040 1 607 950 004 GWS 20-230 H GWS 22-180 H GWS 22-230 H/JH GWS 24-180 H GWS 24-230 H/JH GWS 26-180 H GWS 26-230 B/H 1 607 000 247 OBJ_BUCH-827-007.book Page 96 Wednesday, April 9, 2014 1:53 PM
| 97 Bosch Power Tools1 609 92A 0ML | (9.4.14) 1 600 210 039 1 603 340 031 1 603 340 040 1 607 950 043 2 602 025 181 1 601 329 013 1 600 793 007 2 605 438 197 2 602 025 284 Ø 180 mm 2 602 025 285 Ø 230 mm2 605 510 280 2 605 510 281 Ø 180 mm Ø 230 mm 2 602 025 282 2 602 025 283 Ø 180 mm Ø 230 mm 1 607 000 247 GWS 24-230 JVX OBJ_BUCH-827-007.book Page 97 Wednesday, April 9, 2014 1:53 PM