Instruction manual Stone and scrap handling grab SK05ST-SK30ST English FOR ENGCON STONE AND SCRAP HANDLING GRAB SK05ST-SK30ST THE WIDEST RANGE ON THE MARKET Increase your excavator s efficiency and precision
Instruction manual Congratulations for choosing engcon s stone and scrap handling grab. This product has been developed since 1985, and is highly adapted to its purpose. However, the quality of a product depends on the maintenance it receives. To optimise the product s safety, function and lifespan, please read the information in this instruction manual carefully. The manual describes the things you should check and the safety measures to observe. We welcome you as a customer of engcon Nordic AB and look forward to a long, fruitful collaboration. Do not hesitate to contact us for further information. Kind regards, Örjan Westerlund, CEO engcon Nordic AB 2
CERTIFICATION OF CONFORMITY According to AFS 1994:48, Appendix 2 A Manufacturer s name: engcon Nordic AB Address: Box 111 Postal address: 833 22 STRÖMSUND Country: SWEDEN Phone: + 46 670 178 00 Fax: + 46 670 178 28 Email: info@engcon.se hereby certifi es that: Stone and scrap handling grab Machine specifi cation Type: Serial no.: Delivery date: Miscellaneous: was manufactured in accordance with Ordinance AFS 1994:48 of the Swedish Occupational Safety and Health Administration (equivalent to EU Machine Directive 98/37/EG) with regulations on machines and certain other technical devices, with special reference to the Ordinance s Appendix 1 regarding basic health and safety requirements for machine design and manufacture. The following standards and regulatory directives have been applied and complied with: Machine Directive 98/37/EG Swedish standards SS-EN ISO 12100-1 and SS-EN ISO 12100-2 NB: This certifi cation and engcon s warrantees will immediately cease to be valid if the product is altered or modifi ed without engcon s authorisation. Title: CEO Name: Örjan Westerlund Date: Signature: 3
Instruction manual Table of contents 1 Introduction 5 1.1 General 5 1.2 Identifi cation and marking of stone and scrap handling grab 5 1.3 Warning decals 5 1.4 System description and application areas 5 2 Safety regulations 6 2.1 General 6 2.2 Check list, safety 6 3 Technical data 8 3.1 Stone and scrap handling grab 8 4 Assembly and installation 9 4.1 Installation of stone and scrap handling grab 9 5 Handling 12 6 Maintenance 13 6.1 Daily maintenance 13 6.2 Lubrication instructions 13 Lubrication schedule, SK stone and scrap handling grab 14 6.3 Expander nut 13 Appendix, Expander 15 6.4 Tightening 19 7 Exploded views 20 7.1 SK05 20 7.2 SK10 22 7.3 SK15 24 7.4 SK20 26 7.5 SK30 28 4
Stone and scrap handling grab 1 Introduction 1.1 General This instruction manual provides relevant information on installation, handling and maintenance of the stone and scrap handling grab delivered by engcon. The safety information in this manual relates directly to the stone and scrap handling grab, and does not regard the base machine. In addition to this information, you should carefully read the safety information regarding the base machine and any other equipment you will be using. Do not attempt to install, use or perform maintenance on the stone and scrap handling grab before carefully reading all the information regarding the stone and scrap handling grab and base machine. Observe all safety instructions carefully. 1.2 Identification and marking of stone and scrap handling grab Check that the information in Certification of conformity corresponds to the information on the grab (Figure 1), and the documentation. In the event of deviations, contact your supplier before starting assembly. 1.3 Warning decals Figure 1 All the machine s instructions and decals must be clearly legible at all times. Contact your supplier to order new instructions and decals. 1.4 System description and application areas The stone and scrap handling grab is suitable for the sorting of waste, for instance in connection with demolition work. Please note that the stone and scrap handling grab s weight and the increased reach may lead to reduced stability, causing risk of damage and personal injury. Check your base machine manufacturer s recommendations when calculating the tipping load, and make sure you include the increased weight and reach caused by the stone and scrap handling grab in these calculations. 5
Instruction manual 2 Safety regulations 2.1 General This instruction manual contains several warning texts, which should be read carefully before assembling or using the stone and scrap handling grab. The warning texts explain potential risks and how to avoid them. If in any doubt, contact your employer or the supplier of the stone and scrap handling grab for further explanation of the warning texts. Remember: Sound judgment and thorough knowledge of your machinery reduces many unnecessary risks. Consequently, operators should take the time to learn correct use of the stone and scrap handling grab before starting operation. 2.2 Safety check list Do not attempt to install, use or perform maintenance on the stone and scrap handling grab before carefully reading all the information regarding the stone and scrap handling grab and the base machine. Observe all safety information carefully. Never use your hands to check for leaks in the hydraulic system. Hydraulic oil can penetrate your skin under pressure causing serious injury. The mountings are safety features and require regular inspection and adaptation. Check carefully for cracks. If in any doubt about the safety features, contact your dealer or engcon Nordic AB. The stone and scrap handling grab may only be used if correctly locked into place. Always check that the lock bolts have fully protruded according to the specifi cation for the relevant implement hitch. Faulty installation can be dangerous. If in any doubt about your knowledge or the equipment, contact your dealer or engcon Nordic AB. Ensure that the hydraulic system is decompressed before starting work on the system. Risk of personal injury. 6
Stone and scrap handling grab Defective or faulty machinery and/or equipment can cause harm to people, property or the environment. Make sure that the recommended servicing and maintenance are performed on the machine. Exceeding the recommended maximum capacity for the stone and scrap handling grab can damage the machine. Take care when handling long objects bacause of the extra forces generated by living weights and the increased risk area. Risk of personal injury or damage. Always get a good grip when lifting objects. Risk of personal injury or damage. Never try to upgrade the equipment s maximum capacity by making modifi cations not approved by the supplier. Replace damaged and/or illegible decals and warning signs before using the machine. Risk of personal injury. Risk of burn injuries from hot hydraulic oil. Risk of catching in moving parts. Risk of personal injury. Use the appropriate devices for lifting operations. The grab is not designed for lifting with chains, straps or similar devices. Risk of damage and personal injury. 7
Instruction manual 3 Technical data 3.1 Stone and scrap handling grab Stone and scrap handling grab Type SK05ST SK10ST SK15ST SK20ST SK30ST Max. grab width (A) [mm] 1110 1660 1790 1990 2575 Min. grab width (A) [mm] 0 0 0 0 0 Cutting width (B) [mm] 505 715 860 860 1170 Jaw length (C) [mm] 460 680 790 870 1180 Height (D) [mm] 580 790 960 1070 1360 Grab force [kn] 8,7 15 19 25 45 Pressure [MPa] 21 21 21 21 21 Weight [kg]* 180 325 540 620 1195 Grab area [m 2 ] 0,2 0,3 0,4 0,5 0,7 Recommended machine weight [tonnes] 3-6 6-12 12-16 16-22 22-32 Recommended tiltrotator/rotator EC05 EC10 EC15 EC20 EC30 Table 1. *Depending on mounting C D A B 8
Stone and scrap handling grab 4 Assembly and installation Check that the necessary supplementary documentation is available before starting assembly. Your supplied stone and scrap handling grab and this supplementary documentation are adapted as closely as possible to your base machine. The following assembly and installation instructions apply if the stone and scrap handling grab is directly mounted. If the stone and scrap handling grab is mounted onto an implement hitch, you should use the base machine s manual for the connection of implements. 4.1 Connecting the stone and scrap handling grab Before starting assembly 1. Check the limits for tipping load, taking into account the stone and scrap handling grab s weight and the increased reach. Check the limits for tipping load when connecting the stone and scrap handling grab, to minimise risk of accidents. Faulty installation can be dangerous. If in any doubt about your knowledge or the equipment, contact your dealer or engcon Nordic AB. Risk of catching in moving parts. Risk of personal injury. Figure 2 2. Place the base machine and stone and scrap handling grab on a fl at, non-slip surface. Make sure the stone and scrap handling grab is standing straight and is aligned with the stick and dog bone (see Figure 2). 3. During installation, use a ladder or other equipment that does not cause risk of falling. 9
Instruction manual Assembly 1. Install the O rings (if using). 2. Position the dog bone so that it aligns with the appropriate holes in the upper part of the stone and scrap handling grab. 3. Adjust the width with shims if necessary. 4. Insert the supplied stub axle. Figure 3 4. Install the stub axle lock, making sure it locks completely. Figure 4 5. Position the stick so that it aligns with the appropriate holes in the upper part of the stone and scrap handling grab. 6. Lower the stick carefully, making sure there are no breaks. 7. Adjust the width with shims if necessary. 8. Insert the supplied stub axle. 9. Mount the stub axle lock, making sure it locks completely. See Figure 4. Figure 5 10 Faulty installation can be dangerous. If in any doubt about your knowledge or the equipment, contact your dealer or engcon Nordic AB.
Stone and scrap handling grab Installation of hydraulic tubes When installing the tubes, make sure that their length is correct. They should neither hang down too far or stretch when the stone and scrap handling grab is angled. 1. Cut the hydraulic tubes to a suitable length. 2. Mount the hydraulic tubes according to the enclosed hydraulic diagram. Ensure that the hydraulic system is decompressed before starting work on the system. Risk of personal injury. Perform a functional inspection Check that the stone and scrap handling grab opens and closes when the hydraulics are activated. Check that the tubes are not damaged by crushing or stretching. 11
Instruction manual 5 Handling The following instructions regard general handling. If your stone and scrap handling grab is equipped with a rotator, you will fi nd instructions for handling the rotator in the instruction manual for the tiltrotator/rotator. The stone and scrap handling grab is opened and closed using the ordinary controls in the base machine. As its name suggests, the stone and scrap handling grab is designed for the sorting of stones, construction waste, general scrap etc. The stone and scrap handling grab is not designed for lifting with straps, or with chains wedged between its jaws. Use the appropriate devices for lifting operations. The grab is not designed for lifting with chains, straps or similar devices. Risk of damage and personal injury. 12
Stone and scrap handling grab 6 Maintenance To avoid impairing the safety and lifespan of your stone and scrap handling grab, daily maintenance and lubrication must be performed as specifi ed. If your stone and scrap handling grab is equipped with a rotator, you will fi nd instructions for maintenance of the rotator in the instruction manual for the tiltrotator/ rotator. 6.1 Daily maintenance Check: that the stone and scrap handling grab is not cracked or damaged. that the stone and scrap handling grab is correctly attached to the machine. that there is no hydraulic leakage. Replace worn or damaged tubes. Faulty installation can be dangerous. If in any doubt about your knowledge or the equipment, contact your dealer or engcon Nordic AB. 6.2 Lubrication instructions engcon recommends that you lubricate the grab at 16 hour intervals. If working in water, the grab should be lubricated at 8 hour intervals. If your stone and scrap handling grab is equipped with a rotator, you will fi nd instructions for handling the rotator in the enclosed instruction manual for the tiltrotator/ rotator. See the lubrication schedule on page 6-2. Recommended grease: As a lubricant, we recommend a lithiumbased grease with a viscosity (NLGI) of 2 or lower. 6.3 Expander nut engcon s stone and scrap handling grab is equipped with an expander nut. (See special instructions on page 6-3.) Risk of catching in moving parts. Risk of personal injury. Ensure that the hydraulic system is decompressed before starting work on the system. Risk of personal injury. Risk of burn injuries from hot hydraulic oil. Never use your hands to check for leaks in the hydraulic system. The hydraulic oil can penetrate your skin under pressure causing serious injury. 13
Instruction manual 6.2 Lubrication schedule, SK stone and scrap handling grab 14
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Stone and scrap handling grab 6.4 Tightening of adapters Type Screw dimension Quantity Tightening 05 M 12 12 140 Nm 10 M 16 12 330 Nm 15 M 16 16 330 Nm 20 M 16 16 330 Nm 30 M 24 18 1120 Nm The rotator is dimensioned to withstand heavy strain from breakout and rotation. Tightening of certain screw joints is vital to ensure optimum durability. See Table 4. Screws and thread holes must be kept very clean and the threads well lubricated. If your stone and scrap handling grab has a rotator, follow the guidelines below. Type Screw joint Screw dimension Quantity Tightening 05 Screw casing M 12 6 140 Nm 10 Screw casing M 16 6 330 Nm 15 Screw casing M 16 6 330 Nm 20 Screw casing M 16 6 330 Nm 30 Screw casing M 20 6 650 Nm 05 Connected to M 12 12 80 Nm grab 10 Connected to M 14 12 220 Nm grab 15 Connected to M 16 12 330 Nm grab 20 Connected to M 20 12 650Nm grab 30 Connected to M 20 12 650Nm grab 05 Centre ring M 12 12 140 Nm 10 Centre ring M 16 12 330 Nm 15 Centre ring M 16 16 330 Nm 20 Centre ring M 16 20 330 Nm 30 Centre ring M 20 18 650 Nm Table 4 19
Instruction manual 7 Exploded view 7.1 SK05 20
Stone and scrap handling grab POS DESCRIPTION PARTNO QTY COMMENTS 1 Main frame 101279 1 2 ARM, SK-05 101280 1 3 ARM, SK-05 101281 1 4 LINK, SK-05 302042 1 5 Cylinder 201020 1 63/32 Stroke 150 6 Hydraulic Hose 740715 1 7 Supply hose - 2 8 Wear Plate 302086 2 9 Axial bushing 650306 8 SS 32/45x2.5 10 Bushing 30/34/45x30 630401 4 WF-WB702 11 Bushing 30/34x35 630314 4 WB 702 12 Pin 403065 1 605604 13 Pin 403064 2 605603 14 Pin 403063 4 605596 15 Screw 660406 10 5/8 L=52mm 16 Hex. Nut 5/8 660407 10-17 Accumulator 790102 1 145 bar pre-charge 18 Clamp Bracket 790103 1 19 Grease Nipple 711404 1 M8 Straight 20 Tredo washer 710703 4 GBR-06 21 Banjo 710272 2 4916-06 22 Adapter 710118 1 132-04-06 23 Tredo washer 710704 2 GBR-08 24 Banjo 710274 1 4916-08 25 Hex. Nut M8 Nylon Lock 610922 2 DIN 985 26 Flat Washer 611005 2 ISO 7089 8,4x16 Zinc Plated 27 Hex Head Screw 8 x 25 610124 2 8.8 Yellow chromated ISO 4014 21
Instruction manual 7.2 SK10 22
Stone and scrap handling grab POS DESCRIPTION PARTNO QTY COMMENTS 1 SK 10 Grab 101490 1 2 Arm SK10 101489 2 3 Link 201245 1 4 Cylinder 201005 1 ø80/40x320 5 Expander pin 402903 6 605474 6 Expander pin 402904 1 Latch 605475 1st 7 Clamp Bracket 790103 1 8 Accumulator 790102 1 145 bar pre-charge 9 Bushing 40/44/55x40 630404 16 WF-WB702 10 Sleeve 201234 13 11 Grease Nipple 711403 6 R1/8 Straight 12 Wear plate, SK-10 302094 2 13 Shim cuttingteeth 403226 4 14 Tooth SK05 & SK10 660102 4 15 Hex. Nut 5/8 660407 14-16 Screw 660406 14 5/8 L=52mm 17 O-ring 710915 15 57,2x5,7 23
Instruction manual 7.2 SK15 24
Stone and scrap handling grab POS DESCRIPTION PARTNO QTY COMMENTS 1 Main frame 101258 1 2 Grab arm 101257 1 3 Grab arm 101256 1 4 Link 201003 1 5 Adapter unit 302040 4 6 Cylinder 201005 1 ø80/40x320 7 Hydraulic tube 740702 1 8 Hydraulic tube 740903 1 9 Hydraulic tube 740904 1 10 Wear steel 201000 2 11 Bushing 40/44/55x40 630404 4 WF-WB702 12 Grease Nipple 711403 2 R1/8 Straight 13 Tooth 660101 4 14 Block 660103 4 Combi parts 31201 15 Hex Head Screw 3/4 x64 660404 8 8.8 Zinc plated 16 Accumulator 790102 1 145 bar pre-charge 17 Clamp Bracket 790103 1 18 Expander pin 402904 1 Latch 605475 1st 19 Expander pin 402903 2 605474 20 Screw 660401 8 3/4 L=69mm 21 Hex. Nut 3/4 660403 20-22 Support ring 650305 4 SS40x50x2.5 23 Bushing 40/45x40 630313 4 WB 802 24 Expander pin 402905 4 605474 25 Screw 660405 12 3/4 L=59mm 26 Hex Head Screw 8 x 16 610122 2 8.8 Zinc plated ISO 4014 27 Tredo washer 710702 1 GBR-04 28 Tredo washer 710704 6 GBR-08 29 Split Lock Washer 611023 2 8,1x14,8x2 30 Banjo 710274 3 4916-08 31 Banjo 710271 1 4916-04 32 Adapter 710148 2 144-08-06 25
Instruction manual 7.2 SK20 26
Stone and scrap handling grab POS DESCRIPTION PARTNO QTY COMMENTS 1 Arm SK20ST 101240 1 2 Arm SK20 101239 1 3 Main frame SK20 101238 1 4 Adapter unit 301866 4 5 Hydraulic Cylinder 200990 1 ø100/60x300 6 Expander pin 402765 4 605265 7 Expander pin 402764 2 605264 8 Link SK20 200992 1 9 Expander pin 402763 1 10 Hydraulic tube 740702 1 11 Wear steel 201000 2 12 Tooth 660101 4 13 Block 660103 4 Combi parts 31201 14 Grease Nipple 711403 2 R1/8 Straight 15 Clamp Bracket 790103 1 16 Accumulator 790102 1 145 bar pre-charge 17 Hex Head Screw 8 x 16 610122 2 8.8 Zinc plated ISO 4014 18 Screw 660401 8 3/4 L=69mm 19 Hex. Nut 3/4 660403 20-20 Hex Head Screw 3/4 x64 660404 8 8.8 Zinc plated 21 Screw 660405 4 3/4 L=59mm 22 Tredo washer 710702 1 GBR-04 23 Tredo washer 710703 4 GBR-06 24 Tredo washer 710704 2 GBR-08 25 Banjo 710274 1 4916-08 26 Banjo 710272 2 4916-06 27 Adapter 90K 710152 1 237-06-06 28 Bushing 55/50x50 630406 4 WB 802 27
Instruction manual 7.2 SK30 28
Stone and scrap handling grab POS DESCRIPTION PARTNO QTY COMMENTS 1 Main frame 101841 1 2 Grab Arm SK30 101836 2 3 Link SK30 201692 1 4 Expander bolt 404107 6 ø60x200 5 Expander bolt 404112 1 ø60x375 6 Cyl.125/70 SL450 302776 1 7 Sleeve 302521 8 8 Bushing 60/65/75x50 630405 10 WF-WB702 9 Grease Nipple 711403 6 R1/8 Straight 10 Clamp Bracket 790103 1 11 Accumulator 790102 1 145 bar pre-charge 12 Wear steel 302522 2 13 Screw 660405 16 3/4 L=59mm 14 Hex. Nut 3/4 660403 16-15 Hex Head Screw 8 x 25 610124 2 8.8 Yellow chromated ISO 4014 16 Flat Washer 611023 2 8,1x14,8x2 Zink plated ISO 7089 17 Hex. Nut M8 Nylon Lock 610922 2 DIN 985 29
Notes
Notes
HEAD OFFICE engcon Nordic AB, Tel: +46 (670) 178 00, Fax: +46 (670) 178 28 SALES OFFICES engcon Finland, Tel: +358 (50) 553 09 82, +358 (40) 554 8735 Fax: +358 (63) 222 905 engcon Denmark, +45 (20) 20 35 84, Fax: +45 (64) 79 21 10 engcon Germany, +49 (33) 75 218 833, +49 (176) 212 589 06, Fax: +49 (33) 75 218 835 engcon UK, 0044-2476 456 401, +44 (797) 191 2546, Fax: 0044-2476 651 461 For further information on our outlets, visit www.engcon.com engcon s products are available from most brand dealers selling excavators, and from many accessory dealers. engcon Denmark engcon UK engcon Germany engcon Sweden engcon Finland engcon Nordic AB Box 111, SE-833 22 Strömsund, Sweden Tel +46 670 178 00 Fax: +46 670 178 28 info@engcon.se www.engcon.se