Grinding mill MISTRAL 50L (art. 650P) USE AND MAINTENANCE MANUAL RIVER SYSTEMS SRL Via Marco Polo, 33-35011 Campodarsego (Padova) Italy Tel. +39-049-9202464 - Fax: +39-049-9216057 - e-mail: info@riversystems.it
INDEX INTRODUCTION... 2 REFERENCE GUIDE... 2 IDENTIFICATION NOTES... 2 GUARANTEE... 2 USE OF THE MACHINE... 2 SAFETY REGULATIONS... 3 CHECKS AND SUGGESTIONS BEFORE STARTING UP... 3 FAILURES DRAWBACKS SOLUTIONS... 4 MAINTENANCE... 4 SAFETY LABELS... 5 CLOGGING OF THE MILL / CLEANING OF THE MILL... 5 REPLACEMENT OF THE SIEVE... 5 REPLACEMENT OF THE BLADE... 6 REPLACEMENT OF THE MOTOR CARBON BRUSHES... 6 STORAGE... 6 DISPOSAL OF THE MACHINE... 7 TECHNICAL SPECIFICATIONS... 7 AVAILABLE SIEVES... 7 SPARE PARTS... 8-9 1
ENGLISH INTRODUCTION This manual is an integral part of the machine and contains the necessary information for its operation and maintenance. Please read it carefully and follow the instructions. The manual, or its copy, shall be always available for the operator s perusal. We suggest contacting the manufacturer for any information, spare parts and accessories you may need. REFERENCE GUIDE This symbol indicates the most dangerous operations or situations. All safety regulations are important and must be strictly observed. This symbol indicates a very important note or advice. IDENTIFICATION NOTES The identification label of the machine that quotes all its data is placed (see picture on the right). Both the identification label and the ones with hazard symbols must always be visible and in a good state. If necessary, replace them with new ones, to be required to the manufacturer. GUARANTEE The guarantee is no more valid if the machine is used for other than intended use. At the time of delivery, check the machine for possible transport damages. Any claim shall be sent to River Systems srl in writing within 8 (eight) days of receipt. The guarantee is valid for 12 months from the purchase date. The guarantee decays if the instructions given in this manual are not respected and/or if the machine is modified or if non original spare parts are used. The guarantee does not include the electrical components. For any dispute the place of jurisdiction shall be Padova (Italy). USE OF THE MACHINE The grinding mill Mistral is used for the domestic preparation of flours with various thickness for animal feed. It can grind very thin flours or crush cereals and other dry products. The obtained product is of high quality, suitable for the preparation of animal feed and whole wheat. The grinding mill can be plugged to any household single-phase 220V/50Hz power outlet. Please make sure that the switch is in OFF position before plugging it. Do not use this mill to grind wood branches, plastic or ferrous material. Do not let the motor overheat. Use the grinding mill for maximum 30 minutes / 1 hour without interruption, according to the stress the motor is subjected to; let the motor cool for 10-15 minutes before restarting grinding. The size of the product is regulated by the internal interchangeable holed sieve. The performance of the machine is determined by the type of sieve used and by the product to be ground. Minors are not allowed to use the grinding mill. 2
Any arbitrary modification to the machine relieves the manufacturer of any blame for any subsequent damage. Before using the grinding mill, it is necessary to wear hearing protections, dust mask, work gloves and face shield. Use the mill in well aired places only! SAFETY REGULATIONS In order to avoid accidents, please pay attention to the directions specified on the safety labels applied on the machine. The noise level of the machine is of about 85 90 db (A) while working. Switch the motor off as soon as the mill has finished grinding (the revs of the motor increase). Before any cleaning or maintenance operation, make sure that the motor is off and the machine Please make sure that all the guards are installed and intact. Please remember that a careful user is the best safety against any accident. Do not use the grinding mill under the rain or in a very humid room or where there are flammable gases or liquids. Do not use the grinding mill with wet hands. Wait until the machine is cold before changing the sieve or making any maintenance operation. Before starting the grinding mill, place it on a solid and safe flat surface and make sure that all its parts are intact and correctly assembled. As soon as you finish grinding, switch off the motor and unplug the machine. Do not insert foreign bodies besides cereals. CAUTION: Cutting hazards. The grinding mill is supplied with a rotating blade and electric parts. Do not insert your hands in any hole or slot of the feed mill while it is working or plugged in. CHECKS AND SUGGESTIONS BEFORE STARTING UP Every grinding mill is tested before delivery. Make sure the machine is unplugged before making the following checks: - Check the blade wear. - Make sure that the needed sieve is installed correctly (see chapter Replacement of the sieve ). - Fill in the hopper with the product to be ground before starting the mill, unless the product to grind is similar to sugar, in which case, in order not to overstress the motor, put only small quantities of product. Make sure that the hopper is never empty. Switch off the mill as soon as grinding is over. 3
FAILURES DRAWBACKS SOLUTIONS Trouble Cause Remedy Instructions Excessive vibration The product is not ground The grinding mill does not work The blade or the sieve are broken A motor support is broken The blade or the sieve or the motor carbon brushes are worn The product to grind is too damp The thermal overload relay is released The motor has shortcircuited The motor carbon brushes are worn Replace the blade or the sieve Replace the motor support Replace the blade or the sieve or the motor carbon brushes Clean the mill and the sieve and grind drier products Re-establish the thermal overload relay Replace the motor Replace the motor carbon brushes To replace the blade or the sieve, see relative paragraph on page 22 and 23. This operation must be performed by specialized personnel. To replace the blade, see relative paragraph on page 23. To replace the sieve, see relative paragraph on page 22. To replace the motor carbon brushes, see relative paragraph on page 23. To clean the grinding mill, see relative paragraph on page 22. Put the switch in OFF position. Wait 10-15 minutes before restarting the motor. If it still does not work, contact specialized personnel. Contact specialised personnel. To replace the motor carbon brushes, see relative paragraph on page 23. MAINTENANCE The maintenance operations must be carried out by specialized personnel, carefully following the instructions given in the present manual. Before any maintenance operation, make sure that the motor is off and the machine is Before any maintenance operation or check, clean the working area, wear work gloves and use suitable tools that are in good conditions. After any maintenance operation or check, restore the machine guards. After each use Every 10 working hours Every 50 working hours Every 200 working hours Periodic maintenance operations table We recommend a thorough cleaning of the inside of the mill. Check the tightness of the screws. Check the blade wear. Make sure that the electric cord is in good condition. Check the rotating parts. Clean the motor and especially the cooling fan with compressed air. Make sure that the motor carbon brushes are in good condition. 4
SAFETY LABELS As for the identification label of the machine, the safety labels must be kept visible and in a good state. If necessary, replace them with new ones, to be required to the manufacturer. Before starting the grinding mill wear a face shield. Wait until all the parts of the machine are completely motionless before touching them. Read the use and maintenance manual before starting the machine. Disconnect the tension before removing the guards. CLOGGING OF THE MILL / CLEANING OF THE MILL Before carrying out this operation, make sure that the motor is off and the machine is 1) Unfasten the metal belt and lift the upper part of the mill. 2) Unscrew the wing nuts that secure the sieve and remove it. 3) Clean all the parts with a cloth or with compressed air. 4) Reassemble the mill with care. REPLACEMENT OF THE SIEVE Before carrying out this operation, make sure that the motor is off and the machine is 1) Unfasten the metal belt and lift the upper part of the mill. 2) Unscrew the wing nuts that secure the sieve and remove it. 3) Replace the worn sieve with a new one (original) or with one with different holes. 4) Insert the new sieve and secure it with the wing nuts. 5) Reassemble the mill with care. 5
REPLACEMENT OF THE BLADE Before carrying out this operation, make sure that the motor is off and the machine is Wear work gloves to avoid being injured by the blade. 1) Unfasten the metal belt and lift the upper part of the mill. 2) Unscrew the wing nuts that secure the sieve and remove it. 3) Unscrew the bolt that secures the blade to the motor shaft. Remove the blade. Make sure not to lose any washer. 4) Replace the blade with an original spare one. Reinsert the washers, blade and wing nuts as shown in the picture on the right. 5) Reassemble the mill with care. REPLACEMENT OF THE MOTOR CARBON BRUSHES Before carrying out this operation, make sure that the motor is off and the machine is This operation shall be carried out by specialized personnel. 1) Unscrew the screws that secure the hopper to the central cylinder and remove the hopper. 2) After having removed the sieve, unscrew the bolts that secure the bin cover to the central cylinder. Remove the central cylinder, uncovering the motor compartment. 3) Remove the bolt (2) that blocks the brush. 4) Remove the plug (4) of the brush from its pin. 5) Remove the worn brush. 6) Execute the same operation for the second brush on the opposite side (B). 7) Make sure that the new brushes are assembled correctly, as well as the other parts of the motor. Finally reassemble the mill with care. STORAGE At the end of the working season or if the machine is not used for a long period, it is necessary to: - Clean thoroughly the machine both inside and outside; - Check it and, if necessary, replace the damaged or worn parts; - Tighten all the bolts; - Cover the machine after having stored it in an indoor and safe place. It is in your best interest to find your grinding mill in perfect conditions when you resume working. 6
DISPOSAL OF THE MACHINE As far as the Waste Electrical and Electronic Equipment (WEEE) are concerned, please note that: 1. The WEEE shall not be disposed as general waste, but they shall be collected separately; 2. For their disposal, please use the public or private collection systems foreseen by the local regulations; 3. This appliance may contain dangerous substances: an improper use or an incorrect disposal can have negative effects on human health and on the environment; 4. The improper disposal of the WEEE is prosecuted by the law. TECHNICAL SPECIFICATIONS Dimensionss of the mill Width Length Total height 42 cm 42 cm 101 cm Net weight Input 7,3 Kg 1200 W AVAILABLE SIEVES Supplied sieves Type of sieve Holes Ø 2 galvanised Holes Ø 4 galvanised Holes Ø 6 galvanised Holes Ø 8 galvanised Code 650P2,0 650P4,0 650P6,0 650P8,0 Optional sieves Type of sieve Holes Ø 0,6 st.steel Holes Ø 0,8 galvanised Holes Ø 1,5 galvanised Code 650P0,6 650P0,8 650P1,5 7
SPARE PARTS Pos. Code Description 1 34001001 Unipolar switch with Faston connection 2 34020002 Electric cord with Schuko plug 3 29005315 Safety label: wear face shield 7 51010057 Hex screw M6x60 ZN UNI 5739 DIN 933 8 51130015 Flat washer M6 ZN UNI 6592 9 51135015 Flat washer M6x18 ZN DIN 9021 10 51056125 Hex nut M6 ZN 6S UNI 5588 11 51095015 Wing nut M6 ZN UNI 5448 12 01003005 Bin 50L (without lid) 13 51130010 Flat washer M5 ZN UNI 6592 14 51230001 Special galvanised washer D8x29x3 15 51010018 Hex screw M5x16 ZN UNI 5739 DIN 933 16 01001020 Stainless steel blade 17 51445037 Tooth washer ext. M8 ZN DIN6798 18 27001029 Rubber protection 19 51056025 Hex nut M8 ZN 6S UNI 5588 21 01001001 Hopper 22 51110212 Self thread. screw 3,9x12,7 cr.head DIN 7981 23 01001006 Motor protection 24 01001010 Baffle 25 38010030 Motor HP 1,6 230V-50Hz 1200W 26 01003001 Bin lid 27 01003010 Metal belt 30 01002015 Galvanised washer 20 650P2,0 Sieve, holes Ø 2 (supplied) 20 650P4,0 Sieve, holes Ø 4 (supplied) 20 650P6,0 Sieve, holes Ø 6 (supplied) 20 650P8,0 Sieve, holes Ø 8 (supplied) 31 29005641 Safety label: Keep hands clear while the machine is working read the manual - disconnect power supply 38010035 Motor carbon brush 8
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Fill in this part of the manual at the time of delivery; it is important to mention the above data in any communication with your dealer. Product: Delivery date: Stamp and signature of the retailer: 10