DRAFT HPW-DUST HIGH PRESSURE DUST SUPPRESSION SYSTEMS

Transcription

1 1 DRAFT HPW-DUST HIGH PRESSURE DUST SUPPRESSION SYSTEMS Dynaset HPW Dust high pressure suppression system is based on HPW-pump and is specially designed to prevent dust emissions at crushing, pulverizing, demolition or to any process of dusting materials. HPW dust high pressure suppression system can be used effectively applications like quarries, recycling and waste management, material handling etc. Dynaset wide HPW pump series produce needed water pressure and flow to different dust suppression application. High pressure water mist is spayed via dust suppression nozzles round the dust particles. The weight of the water bounded dust particles increases multiply that makes them fall down. Low water consumption is achieved by tiny water mist that do not irrigate machine and surroundings wet. Various applicable forms of high power jets are available, turbo jets or dousing umbrella for area suppression, falling debris etc. Dynaset HPW Dust high pressure Suppression system is easy to install to any machine and is fully controlled from cabin. The system has next benefits: - Extremely low water consumption, no need for large reservoir. - Microscopic water binds dust particles effectively. - No mud forming on machinery surface. - Good visibility, clean and better breathing air. - Saves health care expenses. OPERATING INSTRUCTIONS

2 2 TABLE OF CONTENTS 1. SAFETY PRECAUTIONS AND WARNING STICKERS 3 2. GENERAL 4 3. HPW-DUST BOUBLE BASIC COMPONENTS A HYDRAULIC ACTUATOR VALVE KIT CONTROL WIRING IN DUST SUPPRESSION SYSTEM Dust suppression system with dual water circuit INSTALLATION TO DIFFERENT HYDRAULIC SYSTEMS Open centre hydraulic system with variable displacement pump Dust suppression system with a dual water circuit Dust suppression system with a single water circuit Close centre hydraulic system with variable displacement pump Dust suppression system with a dual water circuit Dust suppression system with a single water circuit INSTALLING COMPONENTS NOZZLE SPRAY ANGLE THEORETICAL COVERAGE HYDRAULIC ACTUATOR VALVE INSTALLATION OPERATION PUMPING FLUIDS HYDRAULIC FLUIDS MAINTENANCE PRODUCT DISPOSAL MANUFACTURER S LIMITED WARRANTY DECLARATION OF CONFORMITY NOTES 19

3 3 SAFETY PRECATIONS Operating with DYNASET HPW dust high pressure suppression system, user has to conform to all safety regulations concerning pressurized equipment. Hydraulic circuit has a highpressure over 220 bar. EQUIPMENT TECHNICAL CONDITION HAS TO PAID SPECIAL ATTENTION TO. In order to avoid accidents all operators and maintenance personnel must act in compliance with the laws, regulations and recommendations the high pressure hydraulics, electricity and work safety issued by local authorities. EXTERME CLEANLINESS MUST BE MAINTAINED WHEN CARRYING OUT ANY DISSASSEMBLING OR REPAIR OF HPW UNIT AND HYDRAULIC SYSTEM. THIS IS CRUCIAL TO ENSURE SAFE, RELIABLE AND LONG-LIFE OPERATION OF THE EQUIPMENT. The pressure in hydraulic fluid circuit is considerably high and hydraulic system has to maintain regularly. Especially couplings, valves and hoses have to be tight and clean as well as kept under constant observation. Check and fix possible leakages of pressure and hot blowouts immediately avoiding user and bystander injuries. In order to exclude possible accidents, it is not allowed to clean or inspect HPW unit when hydraulic fluid circuit is pressurized. Prior to any cleaning, inspection and service hydraulic system of your carrier machine must be stopped and all hydraulic fluid circuits depressurized. Wear appropriate clothing and safety equipment such as goggles, ear and eye protection, safety shoes at all times when operating with the HPW dust high pressure suppression system. Beware of warm oily machinery parts. Operators and maintenance personnel must always comply with local safety regulations and precautions in order to close out the possibility of damages and accidents. All installation and service hydraulic and electric equipment must be performing experienced personnel only. Preventing freezing nozzles, water circuit and pipeline. Draining and air flushing have to perform before ambient temperature reaches 0 C (32 F) or lower. WARNING STICKERS Dynaset dispatch department includes one (1) warning sticker bag per one (1) main product. Product recipient is obligated to fix determinate warning sticker to Dynaset product. Attach sticker to visible and appropriate place or close to Dynaset product where it s easily seen. Before attaching sticker, clean surface with solvent detergent. READ OPERATING INSTRUCTIONS. BEWARE OF HIGH PRESSURE KEEP FROM FREEZING. USE EAR PROTECTOR AND SPLATTERS. GLOGGLES.

4 4 GENERAL HWP High Pressure Dust Suppression system forms microscopic water mist which means low water consumption and low costs. Mist-like atomized water binds even the smallest dust particles and makes them heavier to falling down in a controlled manner. Dust suppression system avoid soiling of surroundings, inhibits mud sagging keeping the working area almost dry. The compact hydraulic operated high pressure pump is easily mounted onto the machine. HPW pump is controlled by electric ON/OFF valve on machinery cabin. Hydraulic valve kit controls the water pressure with pressure reducer and the oil flow limiter. Pressure reducer and solenoid valve to appropriate application control nozzles water flow. Pressure compensated oil flow-limiter controls the biggest running speed of the HPW-pump. Excavator fitted Dynaset HPW-Dust suppression system are dual power stage type. Continuous basic dust suppression is supplement with a high power mode, which is used as frequently as necessary to suppress dust created during demolition by fallen debris by bulk-loaded dump on a truck s platform etc. Technically dual stage power output is implemented in two different ways: 1. In a Dual Water Circuit (DWC), both basic and high power levels use individual high-pressure nozzle pairs. The high power dust suppression is switched on by activating separate water solenoid valve. High power suppression nozzles can be the first time coarsely pre-aimed to an assumed dust source according to task demand and conditions. Exact aiming is done after the experiment. 2. In a Single Water Circuit (SWC), the same nozzle pair is for both basic and high power dust suppression, using two separate hydraulic flows one for each power level of dust suppression. Prior to switching on the dust suppression, operator have to aim the attachment with dust suppression nozzles to a dust source. Front loader s bucket or mobile crusher s feed hopper and conveyors can be equipped with dust suppression-nozzle pipe(s) of a single water circuit mode continuous mode, dust suppression system HPW200 Dust. Nozzles: 8 x (1,6 lpm 120 )

5 5 HPW-DUST DOUBLE BASIC COMPONENTS HPW90 dust double, PC-SAE 1"-24V, D PV-SAE HPW90/ DUAL WATER CIRCUIT SYSTEM (DWC) components ready for installation and for instantly use, including following components: HPW-PUMP 1., PRESSURE REDUCING VALVE 2.2, FLOW LIMITING VALVE 2.3 and SOLENOID VALVE 2.4. (spraying On) In OC-hydraulic systems, HPW-pump is operated under constant hydraulic pressure. The output water flow and eventually hydraulic flow is rated by the size of installed water nozzles. The flow limiting valve is adjusted at factory to the throughput required by high power dust suppression. HPW200 dust double-dwc, D HOSE HPW200/30-45 HAND SPRAY PISTOL FILTER ELEMENT NOZZLES: 2 x 6504 (12 lpm 65 ) 2 x 6502 (6,4 lpm 65 ) PRESSURE RELIEF VALVE 2.4 SOLENOID VALVE (HIGH PRESSURE) 2.3 FLOW LIMITING VALVE ON / OFF -VALVE (CONTINUOUS) - PUSH AND PULL BUTTONS - INDICATOR LAMP - SOLENOID PLUGS - CONTROL WIRING

6 6 HPW-DUST DOUBLE BASIC COMPONENTS Following Hydraulic High Pressure Water Pumps (HPW) are widely used in Dynaset high-pressure dust suppression systems: - HPW 200/30-45 dust. 4 x 6,4 l/min nozzles. - HPW 200/30-45 dust double. Double power spray 20/30 lpm. - HPW 220/50-70 dust double. Double power spray 30/50 lpm. - HPW 180/ dust double. Double power spray 30/90 lpm. - HPW 130/ dust double. Double power spray 30/180 lpm. HPW 200/30-45 HPW 130/ MAIN PARTS HPW90 Dust double, PC-SAE 1"-24V oc. D Water nozzle with required fittings is suitable for both continuous and intermittent high power modes Nozzles left to right: - No. 1-4, (6,4 lpm 200bar 110º) for intermittent high power mode. - No. 5 and 6, 2 x R3/8" (51 lpm 70bar) for continuous mode. - No. 7 nozzle attaching clamp. Water solenoid valve for occasional high-pressure dust suppression with required fittings. Dust suppression nozzles installed to a nozzle pipe. High pressure spray pistol with 10m hose. Filter to water intake (claw coupling) from pressurized water supply, i.e. water from hydrant, max. pressure 5 bar. Water intake hose with strainer and claw coupling from machinery s separate water tank.

7 7 A HYDRAULIC ACTUATOR VALVE KIT Valve kit for Open centre hydraulic systems includes pressure compensator PV-SAE pos When installing to close centre hydraulic system, concerned pressure compensator is not required. HYDRAULIC VALVE KIT for a DUAL WATER CIRCUIT SYSTEM (DWC) includes following components: PRESSURE REDUCING VALVE 2.2, FLOW LIMITING VALVE 2.3 and SOLENOID VALVE 2.4. In OC-hydraulic systems, HPW-pump is operated under constant hydraulic pressure. The output water flow and eventually hydraulic flow is rated by the size of installed water nozzles. The flow limiting valve is adjusted at factory to the throughput required by high power dust suppression. 2.3 PC-SAE 3/4" 2.4 Solenoid valve 2/2 NC 2.2 Pressure reducer Flow limiter R3/4 u s B 2.1 LS T 2.4 LS A P OC-HYDRAULICS P HYDRAULIC VALVE KIT for SINGLE WATER CIRCUIT (SWC) SYSTEM provides two separate hydraulic flows, one for both power level of dust suppression. HPW200 dust double-dwc, D P On / Off -valve Solenoid-valve Flow limiting valve T Pressure relief valve Control valve kit for single water circuit system (SWC).

8 8 A HYDRAULIC ACTUATOR VALVE KIT HYDRAULIC VALVE KIT for SINGLE WATER CIRCUIT SYSTEM (SWC): Valve kit includes an adjustable FLOW LIMITING VALVE 2.5 for continuous dust suppression, LS Valve with FLOW LIMITER 2.6 for high power dust suppression (adjusted in factory), two SOLENOID VALVES 2.7 and 2.8 respectively and PRESSURE RELIEF VALVE LS Q2 LS T Q2 P OC-HYDRAULICS 2.5 Q1 P 2.6 Q1 By activating the solenoid valve 2.7, the continuous dust suppression is being started. Water flow is rated by setting of flow limiting valve 2.5, which can be re-adjusted within certain limits. Hydraulic fluid flow Q1 is directed to the pressure port of HPW-pump through above components and fixed flow limiter The High power dust suppression is switched by activating the solenoid valve 2.8 when system s operation (primary hydraulic flow and secondary water flow) is rated tothe fixed flow limiter setting 2.6. Pressure relief valve protects the equipment against damages. CONTROL WIRING IN DUST SUPPRESSION SYSTEM DUST SUPPRESSION SYSTEM WITH DUAL WATER CIRCUIT HPW-PUMP S ON-OFF SWICTH + 24 VDC 2 x 1,5 mm2 red yellow HPW-pump is switched on by activating the hydraulic solenoid valve 2.4. The switch is to be located in a suitable place inside of the machinery cabin. ON-OFF SWITCH OF BASIC DUST SUPPRESSION IN CABIN.

9 9 CONTROL WIRING IN DUST SUPPRESSION SYSTEM DUST SUPPRESSION SYSTEM WITH DUAL WATER CIRCUIT HIGH POWER WATER SOLENOID VALVE S BUSH-BOTTON SWITCH + 24 VDC VDC 0 2 x 1,5 mm2 1.3 High power dust suppression is switched on by activating the water solenoid valve 1.3. Spring-loaded push-on button is recommended to place on a boom s control stick. 24 VDC from the 10 A fuse By activating either of hydraulic solenoid valves with a rocker or other 3-pole switch, an operator directs the hydraulic flow of chosen power mode to the HPW-pump s pressure port. The switch can be located onto the dashboard or any other user-friendly position. When the switch is in the mid-position, both solenoid valves are disengaged and HPW-pump stopped. INSTALLATION TO DIFFERENT HYDRAULIC SYSTEMS HPW-pump is to be connected to hydraulic system of carrier machine, as well as to pumping fluid circuit. HPW can be installed with no particular efforts to system based on either constant or variable displacement hydraulic pump, as well as to closed hydraulic systems. ATTENTION! Check the ports of your HPW-pump and connect it to hydraulic and pumping fluid circuits according to their markings! If the hydraulic pressure line will be connected by accident to the return port and return line correspondingly to the pressure port, it will not cause any harm to HPW-pump, however pump will not operate. In order to reduce both pressure pulsation and return line oscillation, the flexible hose with textile fabric cord is recommended to be used in return line to protect from damage low pressure units, such as oil cooler. Prior to connecting HPW-pump to hydraulic circuit, compatibility of used equipment should be ensured. Hydraulic pressure and flow rate produced by hydraulic circuit should meet values demanded by your HPW-pump. Refer to the technical specifications.

10 10 INSTALLATION TO DIFFERENT HYDRAULIC SYSTEMS OPEN CENTRE HYDRAULIC SYSTEMS WITH VARIABLE DISPLACEMENT PUMP DUST SUPPRESSION SYSTEM WITH A DUAL WATER CIRCUIT Nozzles for continuous dust suppression mode. High power dust suppression nozzles. Water solenoid valve for high power dust suppression. High-pressure spray gun. AN ALTERNATIVE: Water reservoir, intake hose, filter. PC-SAE Water supply from water hydrant (Max. pressure 5 bar). DUST SUPPRESSION SYSTEM WITH A SINGLE WATER CIRCUIT. Dual mode high dust suppression nozzles. High-pressure spray gun. AN ALTERNATIVE: Water reservoir, intake hose, filter. PC-SAE Water supply from water hydrant (Max. pressure 5 bar).

11 11 INSTALLATION TO DIFFERENT HYDRAULIC SYSTEMS CLOSE CENTRE HYDRAULIC SYSTEMS WITH VARIABLE DISPLACEMENT PUMP DUST SUPPRESSION SYSTEM WITH A DUAL WATER CIRCUIT Nozzles for continuous dust suppression mode. High power dust suppression nozzles. Water solenoid valve for high power dust suppression. High pressure spray gun. AN ALTERNATIVE: Water reservoir, intake hose, filter. Water supply from water hydrant (Max. pressure 5 bar). DUST SUPPRESSION SYSTEM WITH A SINGLE WATER CIRCUIT. Dual mode high dust suppression nozzles. AN ALTERNATIVE: Water reservoir, intake hose, filter. Water supply from water hydrant (Max. pressure 5 bar).

12 12 INSTALLING COMPONENTS Hydraulic high-pressure water pump HPW is recommended to install onto excavator s upper structure behind the boom in order to easy pressure hose lying along the boom down to the nozzles. Install pump with rubber cushions to reduce noise and vibration. Water supply hose should be brought to the HPW-pump in the way excluding the hose to be drawn under the crawler track of the machinery. The water supply hose must constantly be insight of an operator. Water reservoir (if used) is recommended to lock on an excavator. Water supply hose, provided with filter, is brought in form the upper lid or hatch. 4 x High power dust suppression nozzles should be fastened to a attachment as well. Position of the nozzles should be chosen to cover as wide dusting area as possible. Direct nozzles to the dust source so that HPW-PUMP all dust are rounded by the water mist. See picture right below. Rotating table or foot of a attachment is suitable for the purpose. Nozzles should be shielded with detachable covers against impacts. High power dust suppression is controlled by means of the water solenoid valve, which is recommended to install to a basic boom s end in suitable place to be kept clean and intact. AN ALTERNATIVE: Water reservoir 2 x NOZZLES x 4 MATERIAL FLOW 2 x High power dust suppression nozzles should be fastened to an attachment. Position of the nozzles should be chosen to cover as wide dusting area as possible. Rotating table or foot of an attachment is suitable for the purpose. WATER MIST + DUST Recommended nozzles e.g. for crushing, pulverizing or demolition: (48lpm 200bar 25º, Oc ) (26 lpm 200 bar 25º, Oc ) MATERIAL FLOW

13 13 INSTALLING COMPONENTS Basic dust suppression nozzles should be installed to an attachment. Their position must ensure water jetting immediately into the processing zone / area, for instance straight into the zone between crushers jaws, see the page 1. Install nozzles into the inter-jaw zone, crusher s shaft must be provided with a water channel on 6-10mm. Additional swivel joint is required for the water supply. If there is no possibility to use swivel water joints, basic dust suppression nozzles is the best place on rotating table s rim. 2 x 2 x Nozzles for continuous dust suppression mode attached to clamps. High pressure dust suppression nozzles are effective alternative as well. Nozzles for continuous dust suppression mode equipped with swivel joints on hose branch. 4 x Nozzles for continuous dust suppression mounted to the crusher s conveyor with clamps.

14 14 NOZZLE SPRAY ANGLE THEORETICAL COVERAGE 65º (6504) 25º 1,1 m 0,5 m Area covered 1,1m x 2m = 2,2 m². If 4 nozzles: 4 x 2,2m² x 0,6 = 5,28 m². Area covered 0,5 m x 2 m = 1,0 m². If 8 nozzles: 8 x 1,0 m² x 0,6 = 4,8 m². Figures are only exemplifying, presenting theoretical coverage of spray patterns at various distances from nozzle orifice. Used pressure level, water temperature, viscosity and water surface tension have their affects to spray angle and distance. Prior to use different kinds nozzles with DYNASET high pressure dust suppression system, please be kindly requested to contact nearest DYNASET representative for an advice. 0 m 1 m 2 m 3 m 4 m HYDRAULIC ACTUATOR VALVE INSTALLATION Hydraulic valve unit, by means of which the necessary power is taken and brought to the Dynaset HPW-pump, is recommended to install into the hydraulic pump compartment of a carrier machine. The installation of the hydraulic actuator valve of a dual water-circuit dust suppression system is displayed on the attached pictures. Refer also to hydraulic diagrams on pages 9 and10. Pressure compensator installed to a pressure port of the main hydraulic pump. An installation of a valve unit include of pressure reducing valve, flow limiter valve and solenoid valve.

15 15 OPERATION Having started a machinery and job - for instance, demolition of the building - an operator stars the basic dust suppression by activating a hydraulic solenoid valve. Basic dust suppression nozzles catch the dust straight at its source. High power dust suppression can be used to kill the dusting of bigger objects - a debris pile, fallen fragment, etc. An attachment with nozzles should be aimed to the dust-emitting object by activating either the water or hydraulic solenoid valve - depends on system s structure, see pages 9-10). The high power dust suppression is intended for discontinuous use, but if the water pipeline is available, the high power mode can be used on continuous basis when necessary. PUMPING FLUIDS High-pressure dust suppression nozzles and HPW-pump required at least mesh 80 (177 μm) water intake strainer. Observe strainer condition regularly. If any nozzle s spray form going to be varying or to be clogged, the nozzle should detach and flushed with clean water against the working flow direction. Flush suction strainer with water or change it to the new one. Water based fluids and seawater can be pumped without any special arrangements, however the pump MUST BE FLUSHED AND CLEANED THOROUGHLY after a working shift with clean sweet water. Same rule applies to pumping of gelatin and depositing fluids. After having done your job, flush HPW-pump with clean water or suitable solvent. Solvents, fuels and oils can be pumped without any special arrangements. Fluids with abrasives or high content of solids can be pumped as well, but should be kept in mind, that HPW-pump s service lifetime is considerably shortened. Pls. note that DYNASET HDF-pump series is especially designed for pumping of abrasive fluids. When HPW-pump is going to be used as a self-priming unit with a special or high viscosity liquid, the flow and self-priming conditions should be evaluated. If the self-priming property cannot be reached, pumping liquid is to be fed with certain pressure (refer to the TECHNICAL SPECIFICATIONS), or the pump should be used at lower hydraulic flow. Furthermore, if pumping solution is aggressive to NBR-rubber, special seals must be used. HPW-models made of special materials or with coated parts are available by request. ATTENTION: Preventing freezing nozzles, water circuit and pipeline at HPW dust high pressure suppression system, draining and air flushing have to perform before ambient temperature reaches 0 C (32 F) or lower. HYDRAULIC FLUIDS Wide range of standard hydraulic fluids can be used with the DYNASET hydraulic equipment. Subject to the operating temperature, following mineral hydraulic oils are recommended: ISO VG 32S for oil s operation temperature up to 70 C; ISO VG 46S for oil s operation temperature up to 80 C; ISO VG 68S for oil s operation temperature up to 90 C. Synthetic and bio-oils can be used as well if their viscosity characteristics and lubricating efficiency are corresponding to above mineral oils. Automatic transmission fluids and even engine oils can be used, provided that they are allowed to be used in hydraulic system of your carrier machine. Prior to use special hydraulic fluids a with DYNASET equipment, please be kindly requested to contact nearest DYNASET representative for an advice.

16 16 MAINTENANCE If any nozzle s spray form going to be varying or nozzle clogged, the nozzle should detach and flush with clean water against the working flow direction. Flush suction strainer with water or change it to the new one. Due to small number of moving parts, in normal operating conditions HPW-pump does not require any other service, except replacement of sealings or occasionally of water valves, which depends on content of abrasives in pumping fluid, as well as on cleanliness of hydraulic oil. Check constantly whether the fluid dropping from pump s leakage detectors is growing and replace sealing in proper time to exclude intermixing of hydraulic oil and pumping fluid. To enable the easy surveillance, pump should be kept clean. Observe also couplings, valves and hoses that they are tight with no bleeding. Clean pump fluid filter and suction strainer guarantee long components life cycle. Prior to any cleaning, inspection and service hydraulic system of your carrier machine must be stopped and all hydraulic fluid circuits depressurized. WHEN CARRYING OUT ANY DISASSEMBLING OR REPAIR OF HPW-PUMP, ABSOLUTE CLEANLINESS MUST BE MAINTANED TO ENSURE RELIABLE AND TROUBLE-FREE OPERATION OF YOUR EQUIPMENT. PRODUCT DISPOSAL Conform to waste legislation, regulations and recommendations in waste disposal and waste recycling issued by local authorities. 1. Precondition: Product is permanently useless or beyond repair. Before transportation get off all used agent (oil, cooling liquid) and dirty filters. Items requiring special handling can normally be done by authorized waste management facility, if not: Separating the base materials, iron, copper, steel, electronics, removing paint, polyester resin, and insulation tape and/or plastics residues from all components. This waste material can now be recycled. 2. Deliver the recycling and waste material to waste management facility. Note! Customer can send the DYNASET equipment for reuse or recycling to the Dynaset Oy or to other location determinate by Dynaset representative. Customer pays shipping cost. Equipment must be adequately packed for shipment. Shipment documents must contain purchaser s name, contact information, equipment type and serial number.

17 17 MANUFACTURER S LIMITED WARRANTY 1. Warranty coverage All hydraulic accessories manufactured by DYNASET OY are subject to the terms and conditions of this limited warranty. Products are warranted to the original purchaser to be free from defects in materials or workmanship. Exclusions from warranty are explained in item Beginning of warranty period Warranty period begins from the delivery date of the product. Delivery is considered to be done on the date when installation has been accomplished or purchaser has taken the product in use. Product is considered as taken in use at the date when DYNASET OY has delivered the product to purchaser, unless separately agreed otherwise by written agreement. 3. Warranty period Warranty period is twelve (12) months based on maximum of 2000 hours usage during this time period. In cases where the system is provided complete with certain special components (e.g. drive unit), those components are considered as a subject to their manufacturer s warranty. 4. Warranty procedures Immediately upon identifying a problem which purchaser believes to be a failure subject to the product s limited warranty, purchaser must contact primary to the seller of the product. Contact must be made as soon as possible, latest thirty (30) days after the problem was identified. Seller and/or manufacturer technical staff determines the nature of the problem primarily by phone or . Purchaser commits to give necessary information and to perform routine diagnostic procedures in order to determine the nature of the problem and necessary procedures. 5. Warranty repairs If the product is found to be defective during the warranty period, DYNASET OY will, at its option, either repair the product, author it to be repaired at its authorized workshop or exchange the defective product. If the product must be repaired elsewhere than premises of DYNASET OY or authorized workshop, all costs excluded from this warranty (traveling and waiting hours, daily allowance, traveling expenses and uninstallation/reinstallation costs) will be charged from the purchaser. If the problem is not covered by this limited warranty, DYNASET OY has the right to charge purchaser of troubleshooting and repairing. 6. Delivery terms of warranty repair If the product is found possible to be defective under this limited warranty and it needs to be repaired, DYNASET OY gives Warranty Return Number (WRN). Items being returned must be shipped, at the purchaser s cost, adequately packed for shipment, to the DYNASET OY or to other location authored by DYNASET OY. Shipment documents must contain: - Purchaser s name and contact information - Receipt of original purchase - WRN code - Problem description 7. Warranty of repaired product Warranty period of the product repaired under this limited warranty continues to the end of original warranty period. 8. Exclusions from warranty This warranty shall not apply to: a. Failures due to normal wear and tear, improper installation, misuse, abuse, negligence, purchaser selection of improper product to intended use, accident, improper filtration of hydraulic oil or intake water or lack of maintenance b. Cost of maintenance, adjustments, installation or startup c. Coating, hydraulic oil, quick couplings and interconnection hoses (internal or external to system assemblies) d. Products altered or modified in a manner not authorized by DYNASET OY in writing e. Products which have been repaired during warranty period by others than DYNASET OY or its authorized workshop f. Costs of any other damage or loss, whether direct, indirect, incidental, special or consequential, arising out of the use of, or the inability to use, the product g. Telephone or other communications expense h. Product that is used in exceptional conditions, considered to cause excessive wear and tear i. Faults caused by nature phenomenon s like flood, thunder, etc. DYNASET OY, all rights reserved

18 18 EC DECLARATION OF CONFORMITY We hereby declare that the below-reference product design, structure and our manufacture form fulfills relevant, fundamental safety and health requirements with the provisions in the Council Directive on mutual approximation of laws of the Member States on the safety of machines. - Machine directive 2006/42/EC - Directive 97/23/EC European standards Pressure equipment. - LVD directive 2006/95/EC Apply conformity standards: - EN Safety of machinery Electrical equipment of machines. - CEN EN ISO 4413: EN ISO 4413:2010 Hydraulic fluid power - General rules and safety requirements for systems and their components. If device has changed by someone other than at the hands of manufacturer or his permission, this declaration is not valid. PRODUCT: HIGH PRESSURE DUST SUPPRESSION SYSTEMS ALL TYPE NUMBERS: HPWxxxxxxxxxx-xxxxxxx-xxxxxxx-xxxxxxxx-xxxxxxxx YLÖJÄRVI DYNASET Oy Timo Nieminen R&D Manager

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