Fish Grader Manual English
Contents
1. Fish Grader User Manual y Fish Grader Manual VAKI Contents ca lt P nn A 2 A E Ur o o e E E o O o es 3 Control board needs to be setup occocccoccnoccncccncnnoccnconaconanoncncnronoronononrnnnronconononcnnaronononcnnaranonenonons 3 e e SUE 3 POLIS eV Inlet CUTE PPP 3 OOM ee EEE A 3 Espoo o ee o y EEEE EEEE 4 A o A o Ur SI Po E reeeenereree 4 A o ER EIER BEEHEEERSERRASERE RER 4 CONTOR Pe PP eo Ei RERTaER 5 AP P P OA 5 NINE EEE e o 5 o PI 6 SPACING Me Tra 6 Water eE A o ner 7 ODenine leVeller nennen erinnere ee Renee EEE 7 Aroa E A III recut suse eee 7 DUE ea o A ser 8 ANUN OS e E 9 Calibrating the VAKI Grader ccccssccssssscssscssssesccuscoussesecuscoussesceussuscoussosstsscoussesetsscousseseesscousseseeuse 9 Regular Manten INC EEE 11 e PI 11 Sis A UE PE 13 Chang Ine Springs and Dearing S ii anne ge 13 Ec ARI ee re 15 Page 1 www vaki is d Fish Grader Manual VAKI Basic Parts The VAKI 1400 grader is designed to sort live fish smolt juveniles and fry The grader carousel is hexadecagon and has sixteen boxes that rotate within the grader As each box passes over an outlet the grading gap opening in the bottom of the box is automatically increased to a preselected size The grading gaps can be set from fully closed up to a maximum 45mm wide The fish are graded by thickness The standard grader has 4 outlets and a single fish inlet Fish can be pumped or netted2. into the grader The inlet can be angled to increase or slow down the fish flow into the grader and the inlet has an integrated de watering box There is a 360 adjustment in the direction of the outlets from the grader Variable speed The VAKI grader has speed regulator which can adjust the speed from 5 12 rom Mains power supply by either single or three phases Fish stay in water because water flows into the rotating grading boxes from the integrated sprinkler system The fish remain in water at all times during the grading and pass easily through the outlet pipes The Grader is constructed from stainless steel It has height adjustable legs and is fully portable on rubber wheels Gradine carousel Grading boxes Motor De water additional Central well P water inlet integrated sprinkler Control of inlet sprinkler p indication Level adjustment Outlet Adjustable legs Page 2 www vaki is y Fish Grader Manual VAKI Set up Control board needs to be setup The control board needs to be placed and fastened The main board is fastened with two bolts and two rows Make sure that the electric cables don t fall into the moving grader Adjustable legs Adjustable legs are lying on the bottom of the box Adjustable Inlet cute Frame needs to be fastened in to the cross It is fastened with bolts through the frame and the cross ends Motor The VAKI grader is driven from a geared motor The moto
3. transfer fish to the grader it is important to ensure an even flow of fish and water Uneven delivery of fish to the grader can cause inaccurate grading as the number of fish may exceed the capacity limits e g rotation speed The diameter of the inlet is 4 De water outlet Additional dewatering may be required if larger pumps or very small fish are being used Spreading the fish Slide up down bar Flow direction controller The steepness of the slide helps to control the speed and flow of fish into the grading boxes The steepness can be changed by dragging the slide up down a steepness bar Flow direction controller leads the smolt to the centre of the grader Centrifugal force pushes the fish to the outer diameter of the grader Page 6 www vaki is Fish Grader Manual Wvar Water sprinkler Water flows into the rotating grading boxes from the integrated sprinkler system The fish remain in water at all times during the grading and pass easily through the outlet pipes Opening leveller The lower parts of the grading boxes are opened by a directional cam The position ofthe cam and thus the opening of the grading compartment are controlled by a leveller driven by a linear actuator There is one actuator for each grade which position decides the opening Cam Opening leveller The grading gaps of the grading boxes can be adjusted from fully closed up to 50 mm wide The length of the boxes is fixed at 440
4. cated in front of each cam 4 Rotate the cam to spread the grease 5 Remove the extra grease 6 Verify that cam isin right position If the cam is not in the right position compared to placement on the grader the grader will not run 7 Have all the sixteen cams been lubricated Yes No No Repeat until all springs and bearings have been lubricated Yes lubricating finished 8 Casing cover put back on the grader Needed for Lubrication brush grease grease pump Allen key number six Page 11 www vaki is Fish Grader Manual NE vaki Page 12 www vaki is Further maintenance Changing springs and bearings Long term usage of the grader will cause fatigue breaks By replacing the components that takes the most stress it s possible to lengthen the grader lifetime 2 Disconect the motor 4 Change springs if needed Fish Grader Manual TI VAKI 8 Close casing 5 Change bearings if Have all 16 7 fasten 4 9 Connect the 1 Open casing gt gt u a needed nee combs been seated comas changed l 6 Change washeres if needed 1 Disconnect the motor Motor is disconnected by pulling the pin out of its center 2 Open the cover The casings are opened by losing up the four bolts on sides of the casing 3 It s ideal to work with four cams at the time it saves t
5. e from each size group and measure the weight thickness and length of the fish Then compare the results to the gaps settings and earlier weight results Materials needed to perform quality assurance are digital caliper scales parameter excel document paper pencil paper towel anesthesia Page 15 www vaki is
6. ime and doesn t make the grader misalignment To remove the cam and the spring from the grader it s necessarily to loosen up two bolts which are located under the grader connected to the cam 4 Change spring 5 The bearings reduce friction 6 Replace washers 7 Itis easier to put a spring back the place when the cam placed in front of the cam is not placed 8 Cover casing closed by sliding it under the half loose screws Screws are then fastened 9 The motor is activated by putting the pin back to place Page 13 www vaki is Fish Grader Manual T aki Page 14 www vaki is Fish Grader Manual vaki Grader Quality The VAKI Grader is designed to sort live fish smolt juveniles and fry based on its thickness The grader is hexadecagon and has sixteen boxes that rotate within the grader As each box passes over an outlet the grading gap opening in the bottom of the box is automatically increased to a preselected size The grading gaps can be set from fully closed up to a maximum 50mm wide The fish are graded by thickness The standard grader has 4 outlets and a single fish inlet To follow the grader quality it s best to get to know the mean and the standard deviation of original group It s easy and fast to take weight samples and from that information it s possible to decide the grading gaps opening and estimate the percent of fish in each grading group When the grader is running it s useful to take a sampl
7. ith the white plastic wheel e g with a spring pulling against the braking direction of the bearing Then position an 11 mm gauge e g 11mm drill bit for instance in the opening Increase the gap until the gauge falls through On the main screen you should see 11 mm but for instance if you should read 12 3 mm you need to calibrate that great about 1 3mm Step 3 Repeat for all boxes ensuring that checking and adjusting the grading gap takes place at the exact same point of the round Step 4 Now you have three numbers written down Go back to the settings screen Press the appropriate grade and enter in the number you wrote down Repeat for all grades and press apply Page 10 www vaki is y Fish Grader Manual VAKI Regular maintenance Lubrication It is important to lubricate bearings and springs regularly every two months and also when the time between grading is long Bearings and springs need to be lubricated with food certified grease that has high tolerance for cold water sea Are all boxes lubricated 2 Lubri Lubri h Put b ubricate 3 ubricate t e DS N 5 Remove extra 6 Put com bearing spring grease back to place 1 Open casing gt 8 Close casing 1 The casings are opened by losing up the four bolts It is not necessary remove the bolts 2 Lubricate the bearings with grease pump 3 Lubricate the spring s with pencil The springs are lo
8. mm he LO h gt o S on the larger 140 version The length of box and 45 mm width is the A limit to the maximum thickness of fish that can be graded KR a 3 3 3 3 045mm Page 7 www vaki is Fish Grader Manual NE vAKa Actuators Grade 1 1 mm Grade 2 2 mm Grade3 3mm Linear actuators which are controlled by the main screen open and close the grading gaps Grading scale are displayed on the main screen and shows the mm opening of the grading gap Raise and lower the linear leveller to adjust the grading gaps in bottom of the grading boxes Grading gap closed Outlet Fixed under the rotating grading boxes are the outlet chutes The outlets collect the graded fish and direct them into pipes away from the grader The standard outlets are 160 mm tubes a reduction can bring the size to 110 80 or 60 mm There are four outlets on the standard machine Page 8 www vaki is Fish Grader Manual vaki Adjustable legs The height of the grader can be adjusted by approximately 1 meter by releasing the wing nuts and sliding the leg profile up or down to desired position Itis of outmost importance that the grader is levelled and the wing nuts tightened to ensure the stability of the grader To prevent instability make sure that the total length is no longer than 170cm If the grader needs to be raised more VAKI recommend users to insert platform under the grader If the grader is installed o
9. n a platform or elevated from the floor level by any means it should be secured by straps or other means preventing it from tilting Maximum length 170cm Calibrating the VAKI Grader The VAKI grader is calibrated at the factory However in time should the calibration need resetting if possible this should be carried out by an authorised VAKI service agent The calibration procedure is to ensure all boxes open identically for each grade size Each of the grading boxes must be checked and reset if required at the same position on the grader It is therefore preferable to carry out the calibration in a position where you can either manually or using the motor rotate the grader to the point you are going to carry out the calibration Actuators Grade 1 11 mm Grade 2 13mm Grade 23mm Page 9 www vaki is y Fish Grader Manual VAKI In this sample we use 11 mm opening as the calibration setting but of course any size above 5 mm can be used Step 1 Start by resetting the calibration to zero On Setting Parameters the Info screen press next From there you will be Grade One moved to another screen There you will see a settings button press it Press each grade and set Grade Two them to zero Press apply and go back to the main Grade Ihree screen YAKI Aquaculture Systems Ltd Step 2 Start the motor Close the grading gap CANCEL APPLY completely Stop the motor secure the position of the arm w
10. oo iow can monitor and keep the grader up to date The next Default Gateway 10 lio f 100 E MAC 00 d 22 06 a2 dc button will move you to a settings screen The setting screen is for calibrating the grader YAKI Aquaculture Systems Ltd Page 4 www vaki is a Fish Grader Manual VAKI Control Screen Main Screen For opening and closing the grading boxes you first have to pick a grade by pressing the grade label and then pressing ether the plus or minus button For starting and stopping the grader press the start or stop button located on the lower bottom of the screen For increasing or decreasing the speed press the plus or minus button located above By pressing the speed label located in the upper right corner you will move to the information screen Pressing the speed label will move you to the information screen I Start Up Display Grade 1 9 rpm 1mm Grade 2 2 mm Grade Starts stops th A 3 mm Increases and decreases the opening of the grading boxes Increases Fa decreases the speed Page 5 www vaki is Fish Grader Manual Waki Inlet To achieve the best results and highest capacity it is important to spread the fish evenly uniformly and at a steady rate through the grader Up well inlet De water outlet Up well inlet Fish can be transferred into the grader through the up well or netted into the inlet hopper When using a fish pump to
11. r is fitted with a regulator to control the speed from 5 to 12 rpm It is best practice to start up the grader atlow speed The grader should be connected to an ordinary 230volts AC electrical supply 2 ampere which is converted internally to three phased current for the motor by the transformer As an option a 110 volt version can be supplied Page 3 www vaki is lay Fish Grader Manual VAKI Control board Control Board has two buttons and a control screen The big red rotation button on the bottom of left sight is the main power switch and can only be turned on if the cabinet is closed The red button on the top is an Emergency Stop The red rotation button on yellow plate is the Main Power Switch The screen on the front is the Control Board To opening the control board Turn off the main power switch and open the control cabinet It will not open without the main switch turned off Remote control A wireless remote control is optional and highly recommended With the remote control it s possible to start and stop the grader up to 35 meters away The grader should never be turned on unless in sight Info Screen Here you monitor how many hours the grader has been running You can also set the IP address and the default Name Text_To_Display gateway for the grader Setting the IP address is optional Senn on Runtime 1099 hours but we highly recommend it for that we here at VAKI mo fio
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