DUO`PULSE Pump - Ntn
Contents
1. N B green Led on indicates that the probe is supplied Yellow Led on indicates operating mode for reading We attach a table with the calibration parameters for the ultrasound probe for 30 and 100 kg tanks Calibration of ultrasound probe 30 kg tank 100 kg tank Level Output height X Quantity of height X Quantity of signal mm grease kg mm grease kg a Maximum Threshol ay A absolute 50 26 50 95 level Minimum threshold Picture 18 absolute D 420 800 level N B In the 30 kg pump tank at the minimum absolute level there is still a reserve of 7 kg In the 100 kg pump tank at the minimum absolute level there is still a reserve of 15 kg Green LED status indicator Signals if the sensor is powered BROWN Yellow LED function indicator 4 BLACK Reports the output status On Off 3 WHITE 3 BLUE Picture 20 Picture 19 15 26 Windows setting During the operational phase Place the object on the threshold 1 ace nen ae feet Ve biects between this threshold and 2 Press the button for about 3 seconds until the LED blink simultaneously The LED flashes During the operational phase Place the object on the threshold 2 heg sie ee ee Sains between this threshold and 1 Press the button for about 1 sec and then release it The sensor returns to operation Output feature selection in ascending or descending Press the button for about 13 sec unti2. Operating diagram for the DUO PULSE 30 amp 100 kg for double line oil lubrication yty filing cap vith 10 micron 300 BAR 4 410 PSD 0 75 kW q GW aj max 400 BAR 5 880 PSD 0 1 000 BAR 14 700 PSD Picture 4 Operating diagram for the DUO PULSE 30 amp 100 Kg for single line oil lubrification 300 BAR 44 410 PSD Singha line P moax 400 BAR 3 880 PSD 0 1 000 BAR 14 700 PSI gt Distribution base Picture 6 4 26 5 PUMP COMPONENTS 5 1 FIXED DELIVERY PUMPING ELEMENTS The pump has two fixed delivery standard pumping elements 200 cm min for each pumping element A piston slides inside the body of the pumping element coupled to the latter by a lapping process The seal between the piston and the pumping body is of a dry type with no gasket provided between the two The pumping element retention valve is of the tapered seal type This solution is able to guarantee an optimum seal for the system at high operating pressures max pressure of 400 bars The pumping elements are assembled on the manifold unit with a threaded attachment which facilitates its assembly dismantling 5 2 ENDLESS SCREW WORM WHEEL UNIT The pump has endless screw worm wheel working kinematics with a transmission ratio of 1 40 The screw is made from special steel with high mechanical resistance which gives it optimum flexible rigidity To guarantee high resistance to wear the screw has been subjected to TENIFER wear
3. and electric supply line Check the motor winding Check that the connection plates for the motor terminal box are positioned in accordance with the supply voltage Fill the tank N B If the tank was emptied without the electric signal for reaching the minimum level being given the minimum level contact must be checked Remove the cover from the tank and check that the stirring paddle is turning anticlockwise and that the lubricant is moving if not invert two of the three motor phases See above Remove the pump delivery pipe and drain off the lubricant until the air bubbles have been eliminated Clean the cone and the pumping element stop valve housing draining off the lubricant Replace the gasket 17 26 No signal indicating minimum level when there is not any lubricant in the tank Selection of minimum level with lubricant below the minimum and pump working Cause Incorrect adjustment of minimum level Incorrect adjustment of minimum level Check the correct functioning of the level probe in the following way Dismantle the minimum level unit and recalibrate the capacitive probe The light on the control panel is still on check the electric connection and if necessary replace the capacitive probe Lubrication installation accessories METERING UNIT AG6 Alarm signal indicating non delivery of lubricant The small rods visible inside the metering unit turrets must mo
4. appears on the Display Keep the SET button pressed down for 5 sec The value of the height read appears on the Display Press the SET button until the desired height appears Press the MODE ENTER button once and the height set is memorised Press the MODE ENTER key once fsP2 appears on the Display 2 3 4 5 6 When the wording on the Display no longer flashes press SET once 7 8 9 1 1 Repeat the previous points from N 5 to N 9 14 26 7 4 4 Procedure for calibrating the ultrasound probe model ZWS 70 CI QS code 3289173 Before being assembled the probe must be calibrated in accordance with the following sequence 1 2 3 7 8 electrically connect the sensor following the electric diagram shown below keep the sensor button pressed down until the two LED green and yellow lights flash together position it in front of the minimum absolute level to be read entering the height by releasing the button the two LEDs display a fixed light 4 press the button for 3 or 4 seconds the probe has acquired the Minimum absolute level 5 6 position it in front of the maximum absolute level to be read entering the height by releasing the button the two keep the sensor button pressed down until the two LED green and yellow lights flash together LEDs have a fixed light press the button for 3 or 4 seconds the probe has acquired the Maximum absolute level In this way the sensor is calibrated
5. group Internal body of the pumping element equipped with delivery adjustment with threaded screws Piston Non return valve manufactured with tapered cone seal system Spring which guarantees contact between the piston and the control eccentric gear Ref Code Description Code 3190491 OR 2187 gasket in polyurethane Fixed pumpin CHPU95 Figure 9 0295040 eee 0295024 Stop valve cap element unit 3191312 Tapered spring 0295023 Gasket OR 2187 in polyurethane 3190491 CHPU95 Gasket OR 3156 in polyurethane Figure 10 0295060 pumping 3190495 Gasket OR 3118 in polyurethane element unit CHPU9S 0295035 Stop valve cap 3191312 Tapered spring Picture 9 Fixed delivery pumping Picture 10 Variable delivery pumping element element 7 26 5 6 ADJUSTMENT OF PUMPING ELEMENT DELIVERY Delivery is adjusted by unscrewing reducing delivery or tightening increasing delivery the internal pumping element each complete turn corresponds to an 11 5 change in delivery There are two references on the fixed and mobile pumping element bodies Figure 8 which allow identification of rotation at every turn 90 The internal pumping element possesses a threaded adjustment of M36x2 each complete turn corresponds to an adjustment of the pumping element s stroke of 2 mm We use the reference height obtained with calibration between the exterior of the fixed pumping element and the exterior of the internal pumping element height X We use Y to i
6. level kit 100 kg oil Grease loading filter By pass re kit Manifold kit Tank flange gasket Manifold gasket pump body Manifold gasket pumping 295009 Filter gasket Filter cover gasket Worm screw assembly cover gasket Body pump reservoir gasket Helicoidal gear assembly Worm screw assembly 21 26 Picture 21 pump body secondary unit Picture 22 Worm wheel group unit Picture 23 Endless screw unit 22 26 12 DIMENSIONS To facilitate future maintenance increase the spaces indicated by at least 200 mm 7 87 in Dimensions mm inches 900 35 43 30 kg tank 1350 53 14 100 kg tank 615 24 21 30 100 kg tank C 450 17 71 30 100 kg tank Picture 25 D 148 5 5 84 30 100 kg tank Picture 24 Electric system Technical data Electrical supply 230 400 Volt 5 50 Hz 240 440 Volt 5 60 Hz 13 HANDLING AND TRANSPORT A metal pallet is used for transport and storage with packing at the side and a wooden cover The pump is fixed on a metal pallet which allows safe handling using a forklift The metal pallet has been designed so that it can be installed in the installation being equipped with 4 four holes of 14 mm suitable for fixing to the floor The machine components can withstand temperatures during storage from 20 to 50 4 F 122 F it is therefore necessary in order to avoid damages for the machine to be started up when the machine has reached a minimum temp
7. of use of this system or its parts without prior written authorization from NTN SNR Roulements will absolve the latter from any responsibility for injury to persons and or damage to property and will release them from all obligations arising from the guarantee 2 GENERAL DESCRIPTION The Duo Pulse lubrication pump may be adapted to many uses without making any mechanical changes even after it has been installed In fact the pressure quantity of lubricant delivered actual type of lubricant or type of distribution can be altered This construction technique is essentially based on the following modules e Electric motor Pump body with integrated reducer Two pumping elements Reservoir Valves and outlet unit inverter pressure adjustment valve etc There is only one bearing structure for all versions with the dual pumping element constituting the essential module The pump unit possesses one single output because the deliveries from the two pumping elements flow into a manifold unit The pump is controlled by normal electrical apparatus which is able to effect inversion and perform the programmed cycles The Duo Pulse electric pump is fully protected against the external environment and can operate without difficulty under the most severe environmental conditions 2 26 Picture 1 DUO PULSE 100 Kg Picture 2 DUO PULSE 30 Kg 3 IDENTIFICATION OF THE PUMP On the front part of the pump tank there is a plate which indicate
8. resistant treatment The screw is supported by oblique contact ball bearings duly preloaded to reduce working clearance The worm wheel is made of bronze alloy for gear systems particularly suitable for making the pump run quietly The worm wheel shaft is made of special high resistance steel which gives the pump better reliability and durability 5 3 INVERTORS The standard pump is prepared for dual line function with an electromagnetically controlled inverter being assembled as standard The inverter can be replaced if it is not working efficiently without disconnecting the two line pipes of an interchangeable type This is able to reduce maintenance times and the relating installation shutdown GENERAL NOTE FOR ALL INVERTERS It is advisable to plan a delay in the de energizing of the electromagnets from 2 5 sec to allow complete inversion in relation to the closing time of the pressure gauge at the end of the line This version means that the inverter can be replaced without disconnecting the line pipes A solution of this type offers the following advantages e Ease of assembly and dismantling only the 4 front Allen screws need to be loosened and tightened e Short replacement time e Minimum installation shutdown time Picture 7 5 26 Spare electro valves 5 4 PRESSURE CONTROL VALVE MOUNTED ON THE PUMP Bypass pressure adjustment nut Ch 34 Pump group unit The pump has a pressure c
9. 0083402 0083450 0083451 0083452 0083453 Ultrasound level Ultrasound level with continuous reading 4 20 mA 0295140 Laser level with 2 digital outlets with 4 thresholds or 4 20 mA 0295130 Heater module for low temperatures lt 5 C 23 F 0295065 Laser level Heater module Pumping element modules Oil conversion Terminal Box bracket Electrical control box Bracket Metal pallet Reserve pumping module 200cm min 24 cu in Variable pumping module 100 200cm min 12 24 cu in Closure cap for fixed delivery pumping element Closure cap for variable delivery pumping element Min max oil level float kit 30 Kg 66lb Min max oil level float kit 100 Kg 99 79kg Filling cap with filter Bracket for installing a terminal wiring box onto the base pallet 3044455 Bracket for installing a control box onto the base pallet 0295040C 0295060 0295024 0295035 0295150 0295160 3130138 3044456 nea used as the base of the packaging and also for installation of 0043446 20 26 SPARE PARTS Spares description Minimum level kit 30 kg grease Minimum level kit 100 kg grease Maximum level kit 30 100 kg grease Minimum and maximum laser level kit 30kg Minimum and maximum laser level kit 100kg Minimum and maximum ultrasound level kit 30kg Minimum and maximum ultrasound level kit 100kg Maximum mechanical level kit 30 100 kg grease Maximum and minimum float level kit 30 kg oil Maximum and minimum float
10. DUO PULSE Pump Modular electric pump User and Maintenance Manual Guarantee CONTENTS INTRODUCTION GENERAL DESCRIPTION IDENTIFICATION OF THE MACHINE TECHNICAL CHARACTERISTICS PUMP COMPONENTS UNPACKING AND INSTALLATION INSTRUCTIONS FOR USE PROBLEMS AND SOLUTIONS MAINTENANCE PROCEDURES 10 DISPOSAL 11 INFORMATION ABOUT ORDERING 12 DIMENSIONS 13 HANDLING AND TRANSPORT 14 PRECAUTIONS FOR USE 15 CONTRAINDICATIONS FOR USE 16 GUARANTEE 17 DECLARATION OF CONFORMITY 2 Ooo ae Ne Manufacturer NTN SNR Roulements Product Duo Pulse Pump Certification Manual compiled in accordance with Directive CE 2006 42 1 INTRODUCTION This user and maintenance manual refers to the IN PULSE lubrication system This manual should be conserved in such a way that it remains undamaged over time and is readily available to personnel needing to consult it The manufacturer reserves the right to update the product and or the user and maintenance manual without the obligation to revise previous versions Further copies of this manual updates or clarifications can be obtained by directly contacting Experts amp Tools at NIN SNR Roulements or to consult our web site at www ntn snr com The use of the equipment referred to in this manual must be entrusted to qualified personnel with a basic knowledge of mechanics hydraulics and electrical systems lt is the responsibility of the installer to use tubing suitable for the
11. achine maintenance or if the machine is scrapped do not dispose of polluting parts into the environment Refer to local regulations with regard to their correct disposal When scrapping the machine the identification plate and any other documents must be destroyed 19 26 11 INFORMATION ABOUT ORDERING Equipment Standard equipment 247 000 2477001 400 cm3 min grease pump 30 Kg 66lb tank with inverter code 0083420 at 24V DC 400 cm3 min grease pump 100 Kg 220Ib tank with inverter code 0083420 at 24 V DC 400 cm3 min grease pump 80 Kg 1 76lb tranrent reservoir with inverter code 0083420 at 24 V DC 2477100 Duo Pulse Pump 2477050 400 cm3 min oil pump 30 Kg 66lb tank inverter code 0083420 at 24 V DC 2477 0951 Duo Pulse Pump 30 Kg sheet metal reservoir with inverter code 0083420 at 24 V DC 1525212 Duo Pulse trolley mounted Electromagnetic inverter for base Transparent reservoir Dual Line electric Inverter Pneumatic inverter 400 cm3 min oil pump 100 Kg 220Ib tank with inverter code 0083420 at 24 V DC DUO PULSE ATEX Pump in Stainless Steel 316 24V DC 110V AC 50 60Hz 230V AC 50 60HZ Instrumentation and optional Reservoir including the tank PN 0295056 and all accessories required for use flanges screws nuts seals 24V DC 110V AC 50 60Hz 230V AC 50 60HZ 24V DC 24V AC 50 60Hz 110V AC 50 60Hz 230V AC 50 60HZ 0083420 0083421 0083422 0295210 0083400 0083401
12. e Display Press the SET key d3 appears on the Display Keep the SET button pressed down for 5 sec When the wording on the Display no longer flashes press SET once rd1 appears on the Display Press MODE ENTER once Check that the Display wording has rotated by 180 oF ae a eS Ye Calibrate outlet 1 OUT 1 operating with window nsP1 B amp fsP1 D see Calibration table for Laser probe 1 Press the MODE ENTER key once OU1 appears on the Display 2 Keep the SET button pressed down for 5 sec 3 When the wording on the Display no longer flashes press SET twice until Fno appears on the Display Press the MODE ENTER key once nsP1 appears on the Display Keep the SET button pressed down for 5 sec When the wording on the Display no longer flashes press SET once Press the SET button until the desired height appears Press the MODE ENTER button once and the height set is memorised 0 Press the MODE ENTER key once fsP1 appears on the Display 4 5 6 TA The value of the height read appears on the Display 8 9 1 1 Repeat the previous points from N 5 to N 9 Calibrate outlet 2 OUT 2 operating with window nsP2 A amp fsP2 C see Calibration table for Laser probe Press the MODE ENTER key once OU2 appears on the Display Keep the SET button pressed down for 5 sec When the wording on the Display no longer flashes press SET 4 times until Fno appears on the Display Press the MODE ENTER key once nsP2
13. erature of 5 TC 41 F 14 PRECAUTIONS FOR USE lt is necessary to carefully read the warnings and risks associated with using a lubricant pump The operator must understand how it works and must clearly understand the dangers by studying the user manual 23 26 15 CONTRAINDICATIONS FOR USE The check on compliance with the essential safety requirements and with the stipulations indicated in the machine directives are to be carried out by means of compiling the checklists already made available and contained in the technical file Three types of lists were used e list of dangers section from EN 414 relating to EN 292 e Application of the essential safety requirements Machine Dir app 1 part 1 e electrical safety stipulations EN 60204 1 See below a list of dangers which have not been completely eliminated but are considered acceptable e During assembly maintenance it is possible that there may be an oil splash consequently this operation must be carried out using appropriate individual protective devices e contact with oil gt see instructions for using appropriate individual protective devices DPI Use of an inappropriate lubricant gt fluid characteristics indicated both on the pump and in the manual if in doubt consult our Technical Office protection against direct and indirect contact must be provided by the user e whenever the cover is opened for an intervention resealing the catch is essential e The pu
14. g All the electric components must be earthed This applies to both the electric components and to the control devices To this end make sure that the earth wire is connected correctly For safety reasons the earth conductor must be approximately 100 mm longer than the phase conductors If the cable is accidentally removed the earth terminal must be the last one to be removed 7 2 ACTION TO BE TAKEN BEFORE START UP Check the integrity of the pump Refill the tank with suitable lubricant Check that the pump is at working temperature and that there are no air bubbles in the pipes Check that the electric connection has been carried out correctly N 3 USE Check the data sets imposed Press the start button on the machine to which the Duo Pulse pump is connected Check that the pump start up Check that the machine is adequately lubricated if there are still some doubts about its correct functioning you can contact the NTN SNR Roulements Technical Office and request a test procedure e Check that the direction of rotation of the electric motor is the one indicated by the indicator arrow positioned on the protective housing of the motor fan e Check that the hydraulic connection is correct 7 4 ADJUSTMENT CALIBRATION OF LEVEL PROBES 7 4 1 Pressure lt is possible to adjust working pressure by rotating the bypass screw clockwise to increase pressure or anticlockwise to reduce pressure During this operation pay attentio
15. he operator with an appropriate pump Once the maximum level of lubricant has been reached the small rod which indicates that the tank is full intervenes 5 8 INDICATORS OF MINIMUM AND MAXIMUM OIL LEVEL Standard oil pumps have two types of level e Minimum and maximum level float e Maximum visual level float 0295100 Maximum visual level kit float 0295033 Maximum visual level float 0295150 Level float kit for 30 kg tanks 68 1 Ib minimum and maximum level 0295160 Level float kit for 100 kg tanks 68 1 Ib minimum and maximum level 5 8 1 Minimum and maximum level float A probe rod with dual float mounted on the pump cover provides a reading of the minimum oil level reserve and the maximum level which allows the automatic refilling of the tank to be halted The minimum level contact is indicated by a light signal on the control panel In addition it controls any command for the pump to automatically refill the tank 5 8 2 Maximum visual level floating See point 5 7 2 5 7 Stirring paddle for grease and oil standard performance Four tanks are provided with a capacity of 30 and 100 kg 22 66 1 220 4 Ib two for oil and two for grease The tanks have a stirring paddle and scraper as standard and they must not be dismantled when they are being assembled and replaced Under the stirring paddle a galvanized steel mesh with 0 5 mm holes 0 02 in is provided as standard In this way the pump is protected fr
16. illator the outlet amplifier They are supplied with 4 wires with an antivalent function in the NPN or PNP versions In this operation the sensors offer as standard characteristics protection against permanent short circuit of the load absolute safety against inversion of polarity and protection from the peaks produced by disconnecting inductive loads They can be supplied together with model ALNC ALTP feeders They are compatible with programmable controller inputs Picture 15 12 26 7 4 3 Procedure for calibrating the laser probe The laser probe possesses a representative and programming display mounted on board It is possible to operate in analogue mode with signal from 4 to 20 mA or in digital mode two outputs and four intervention thresholds We attach a table showing the calibration parameters for the laser probe for 30 and 100 kg tank LASER PROBE CALIBRATION 100 kg tank Maximum absolute Picture 16 Minimum absolute N B In the 30 kg pump tank at minimum absolute level there is still a reserve of 7 kg In the 100 kg pump tank at absolute minimum level there is still a reserve of 15 k g Picture 17 Operating instructions for the IFM laser probe 13 26 Instructions for calibrating the Laser Probe 01D100 Rotate the wording on the Display by 180 Press the MODE ENTER key 7 times EF appears on the Display Press the SET key Press the MODE ENTER key 5 times diS appears on th
17. l the LED blink simultaneously Only the green LED flashes Press the button for about 1 sec to choose between NA and NC Yellow LED On ascending Off descending 16 26 Re settina to factorv settinas Remove power Press and hold the button while power is applied both LED flashina simultaneouslv Press the button for about 13 sec while the green LED is constant Release the biitton 8 PROBLEMS AND SOLUTIONS Below is a diagnostic table showing the main faults the probable causes and the possible solutions In the event of doubts and or problems which cannot be solved do not proceed to look for the fault by dismantling parts of the machine but contact the NTN SNR Roulements Technical Office Fat _ Cause pC Slution The electric pump is not delivering any lubricant he pump will not go under pressure The electric motor is not functioning The tank is empty The pump is not triggered Causes of the pumps failure to trigger The motor is turning in an inverted direction clockwise The motor is turning in the right direction but the stirring paddle is not turning Presence of air bubbles in the lubricant The pressure adjustment valve bypass has been calibrated at too low a value Presence of dirt in the non return valve Possible dirt on the cone of the pump stop valve Internal gasket between pumping element and manifold unit broken Check the connection between motor
18. ly with the instructions provided in this manual Any changes to the component parts of the system or a change in the intended use of the latter or its parts without written authorisation from NTN SNR ROULEMENTS relieve the latter from any liability for personal injuries and or damage to property and relieve it of any guarantee obligation 25 26 17 DECLARATION OF CONFORMITY DECLARATION OF CONFORMITY NTN SNR Roulements registered in Annecy rue des Usines CERTIFIES That the machines DUO PULSE pump Has been constructed in conformity with the directives of the council of the European community on the standardization of the legislation of member states 98 37 CE Machines BT 73 23 CEE Low voltage Has been manufactured as applicable in accordance with the following standards and harmonised technical specifications EN292 1 2 EN 1050 EN 982 EN 11200 EN 60947 EN 894 1 2 G n ral manager Experts amp Tools Product Manager Experts amp Tools Christophe ODDOUX Christophe BENIER Experts NTN SNR Tools Web site http www ntn snr com E mail expertsandtools nitn snr fr 26 26
19. mp s working logic requires it to operate at all times so it is necessary to pay attention to the electric connection If there is no current the customer s machine can only be restarted following a reset while the lubrication pump can restart automatically C wuids T OOCOC S Corrosive products Corrosion of the pump injuries to persons Pump oxidation Food substances Contamination of these substances 24 26 16 GUARANTEE All NTN SNR Roulements products are guaranteed for a maximum of 12 months from the delivery date for constructional and material faults The guarantee is extended as indicated below Complete installation of the system by NTN SNR Roulements 24 months Other components 12 months from the date of installation if installation takes place 6 months or more following the delivery date the guarantee will cover a maximum of 18 months from the delivery date In the event of equipment malfunction we must be notified of precise details of the fault encountered supplying the NTN SNR Roulements code the test number if present expressed as xXxxxXxx xXxxxxx delivery and installation date and finally conditions of using the product s in question Once this information has been received we will decide at our own discretion whether to provide technical assistance or not After receiving the equipment and on the basis of careful analysis NTN SNR Roulements reserves the right to decide whether to repair o
20. n to the pressure gauge positioned on the edge of the pump 11 26 7 4 2 Procedure for calibrating the capacitive probe Before being assembled the capacitive probe must be calibrated in accordance with the following sequence 1 connect the sensor electrically 2 immerse the sensor in the lubricant down to half of its length 3 remove the sensor from the lubricant until it skims the surface of the lubricant 4 at this point there can be two possible types of operation e the sensor status does not change its sensitivity must be reduced by acting on the screws for adjusting sensor sensitivity until tts state of excitation is reached e if its status changes the sensor already possesses the correct sensitivity after checking that the sensor has been correctly read the sensor reading must be repeated at least three times Tighten the capacitive probe on the probe carrier rod complying with the following assembly height e 450 mm from below the cover up to the lower surface of the sensor for a 30 kg tank e 900 mm from below the cover up to the lower surface of the sensor for a 100 kg tank DO Operating instructions for the capacitive probe model SC18M C5 PNP NO NC 0 55 V d c WHITENC 2 I 200mA BLUE Picture 14 General information about operations Sensors operating under C for continuous current 4 wires They are sensors which are amplified in continuous current and which incorporate in addition to the osc
21. ndicate the actual displacement of the internal pumping element Y 13 X X height measured Y 13 X pumping Variation of Actual stroke of Effective pumping element adjustment delivery per pumping element delivery stroke pumping element element Cm min Picture 11 Picture 12 Picture 13 5 7 MAXIMUM AND MINIMUM GREASE LEVEL INDICATORS Standard grease pumps have two types of level e Minimum capacitive level e Maximum visual level float 0295100 Maximum visual level kit float 0295120 Minimum capacitive level kit per tank kg 30 68 1 Ib 0295110 Minimum capacitive level kit per tank kg 100 100 02 kg 3289166 Capacitive probe 5 7 1 Minimum capacitive level The minimum level is produced by a capacitive probe positioned on the end of a pipe mounted on the tank cover The capacitive probe is normally closed When it reaches the minimum level the probe indicates a lack of lubricant To make the solution valid for NLGI 2 grease as well the capacitive probe interfaces with the scraper whose function is to clean the lower face of the grease probe If the capacitive probe is replaced then it must be recalibrated see calibration procedure The minimum level contact is indicated by a light signal on the control panel In addition it controls any command for the pump to automatically refill the tank 8 26 5 7 2 Maximum visual level floating The phase for loading the lubricant into the tank is carried out by t
22. nel 10 26 7 INSTRUCTIONS FOR USE 7 1 GOING INTO OPERATION Damage to the supply cable and housing may involve contact with live parts at high voltage and consequently fatal danger Check the integrity of the supply cable and the unit prior to use If the supply cable or the unit is damaged do not start up the system Replace the damaged supply cable with a new one The unit can be opened and repaired only by specialist personnel In order to prevent the danger of electrocution due to direct or indirect contact with live parts the electric supply line must be adequately protected by an appropriate magnetothermal differential switch with threshold of intervention of 0 03 ampere and max intervention time of 1 second e The interruption power of the switch must be lt 10 kA and rated current In 6A e The pump must not be used when submerged in fluids or in a particularly aggressive or explosive inflammable atmosphere unless prepared in advance for this purpose by the supplier e to fix the pump correctly check the pitch dimensions shown in the figures in chapter 12 e Use safety gloves and goggles as indicated in the safety sheet for the lubrication oil e Do NOT use lubricants which are aggressive towards NBR gaskets and if in doubt consult the NTN SNR Roulements technical office which will supply a detailed list of the recommended oils e Do not ignore dangers to health and comply with health and safety regulations e Warnin
23. om any foreign bodies which might be inadvertently present during the tank refilling process 5 8 PRESSURE GAUGE The pressure gauge is of the glycerine filled type so it is protected from any pressure leaks which might damage its functioning It is mounted directly in the manifold group positioned on the front of the pump 3292078 0 1000 bar 0 14 700 psi 9 26 5 9 ELECTRICAL CONTROL PANEL NTN SNR ROULEMENTS electrical control panel has been designed to provide a system complete with all the controls necessary for automatic functioning controlled by safety signals from centralized lubrication installations The primary voltage is 400 VAC and 50 Hz the other voltages are on request electromagnetic PEP SONNE oesoem aone epe trae electropneumatic electromagnetic PASER OAE electropneumatic 6 UNPACKING AND INSTALLATION AN WARNING The unit is only to be opened and repaired by specialist personnel No pump assembly operations are envisaged The pump is fixed on a metal pallet which allows safe handling using a forklift This pallet has been designed so that it can be installed in the installation being equipped with 4 four holes of 14 mm suitable for fixing to the floor Provide adequate space as shown on the installation diagram to avoid abnormal posture or possible impact Then as described previously the pump must be connected hydraulically to the machine and then connected to the control pa
24. ontrol valve mounted on the manifold unit on the right side of the pumping elements The valve can be easily dismantled for inspection if required It is calibrated by turning the bypass pressure adjustment nut e clockwise increase of pressure e anticlockwise decrease of pressure Once the bypass has been calibrated the position of the pressure adjustment nut is locked using a lock nut It is important to bear in mind that line inversion is controlled by closing the contacts of the pressure switch Adjusting the pressure switch provides an operating pressure which is lower than the maximum pressure controlled by this valve Extractible pumping elements Picture 8 Description 3191311 Pressure 100 450 bar 1470 6615psi 3191314 Pressure 50 200 bar 735 2940 psi on request 5 5 PUMPING ELEMENTS WITH FIXED AND VARIABLE DELIVERY The standard pump has two pumping elements with fixed delivery Figure 9 On request it is possible to have a solution with variable delivery Figure 10 The pump can offer variable delivery by replacing a pumping element with fixed delivery with one with variable delivery Ref Code Description 295060 Pumping element with variable delivery 100 200 cm min Figure 10 295040 Pumping element with fixed delivery 200 cm min The main parts of the pumping element with variable delivery are 6 26 External body of the pumping element assembled with seal threading on the manifold
25. r replace the product If the guarantee is still valid we will proceed to repair or replace the part at our own expense lf the returned product is not faulty NTN SNR Roulements will decide at its own discretion whether or not to charge the customer for the costs incurred logistics etc This guarantee must be understood to be cancelled if the product shows signs of damage and resulting from incorrect use negligence normal wear and tear chemical corrosion installation not in compliance with the instructions expressly indicated and use contrary to the manufacturer s recommendations Any changes tampering or alterations to the equipment or its parts made without written authorisation from NTN SNR Roulements relieves the latter from all liability and releases it from the obligations of the guarantee Parts subject to normal wear and tear and perishable parts are not covered by the guarantee Anything not expressly indicated must be considered to be excluded from the guarantee as well as damages or cosis resulting from faults in the actual product The conditions of validity of the NTN SNR Roulements guarantee are understood to be implicitly accepted as soon as the equipment is purchased Any changes to or departures from this guarantee must only be considered valid after prior authorisation from NTN SNR Roulements NTN SNR ROULEMENTS declines any liability for personal injuries or damages to property in the event of failure to comp
26. s the product code the supply voltage and the basic characteristics 4 TECHNICAL CHARACTERISTICS The pump consists of a series of components with the following characteristics Technical characteristics 400 bar 400 cm min 24 cu in min UNeLCanvery 2 x 200 cm 12 cu in pump modules Working temperature da 5 C a 50 C da23 F a 122 F Working humialty CO o o Mineral oll lubricants Viscosity at working Min 32 cSt temperature l o Grease lubricants Viscosity at working NGLI 2 Max temperature Three phase Power 0 75kW Protection IP55 class B Voltage 230 400 Volt 5 50 Hz 240 440Volt 5 60 Hz S1 continuous service Electric motor N B do not supply the machine with voltages and pressures different from those indicated on the plate 3 26 4 1 HYDRAULIC FUNCTION DIAGRAM Operating diagram for the DUO PULSE 30 amp 100Kg for double line grease lubrification Minimum lavel eaneor Graaee Tiling Electromagnetic imerrter 300 BAR 4ANO PSI WO 0 75 kW OO P mox 400 BAR 5 980 PSI 0 1 000 BAR 14 700 PSI Distribution base Picture 3 Operating diagram for the DUO PULSE 30 and 100 Ka single line Minimum maximum lewel Qoating sensur Maximum hewel visual indbeator 300 BAR C4 410 PSD WE BSP Inlet j i SINGLE LINE Hi SU BSP tap F mox 400 BAR 5 880 PSI Diswibution base 0 1 000 BAR 14 700 PFI Picture 5 WE GSP tap
27. ss or the adjustment of the control pressure gauge and of line Check that when one single outlet is used the right pad is assembled and that the other outlet is sealed See instruction sheet for AG6 metering units Check the electrical connection Reduce the pressure gauge calibration pressure until an electrical contact is obtained Increase the pressure gauge calibration valve The optimum calibration value is the one which allows a pressure of 50 70 bar 735 1029 psi at the end of the lubrication line 18 26 9 MAINTENANCE PROCEDURES Use the individual protective devices needed to avoid contact with mineral oil or grease Regular inspection The following regular checks must be carried out Check EE the lubrication status 1000 hours Cleanliness of the loading and suction filter 4000 hours The machine does not require any special equipment for any checking and or maintenance activity however the recommendation is to use suitable equipment which is in a good condition in order to avoid causing damage to persons or machine parts according to current regulation If necessary clean the tank paying due attention when the machine is off and without it being possible to restart it Remember to reseal the tank once the operation has been completed Make sure that the electric and hydraulic supply has been disconnected before carrying out any maintenance intervention 10 DISPOSAL In the course of m
28. system the use of inadequate tubing can cause problems with the pump injury to persons and create pollution Loosening of connections can cause serious safety problems carry out a check before and after installation and if necessary retighten them Never exceed the maximum working pressure values permitted for the panel and the components connected to it Before any maintenance or cleaning operation disconnect the power supply close off the air supply and discharge the pressure from inside the equipment and the tubing connected to it Do not subject the panel the connections the tubing or parts under pressure to violent impacts damaged tubing or connections are dangerous and should be immediately replaced After long periods of inactivity check air tightness of all parts subjected to pressure Personnel must use personal protection equipment clothing and tools adequate for the location and the use of the panel both during its operation and during maintenance operations The panel and any accessories mounted on it should be carefully checked immediately on receipt and in the event of any discrepancy or complaint the NTN SNR Roulements Sales department should be contacted without delay NTN SNR Roulements declines to accept any responsibility for injuries to persons or damage to property in the event of the non observance of the information presented in this manual Any modification to component parts of the system or the different destination
29. ve sequentially up and down and activate the control microswitch when the pump is working If this is not the case the two outlets or the single outlet of that metering unit will not deliver lubricant END OF LINE PRESSURE GAUGE The pressure gauge is not sending the signal to the electric command and control panel The pressure gauge sends the signal before the end of the lubrication cycle Metering unit small piston jammed Piping between metering unit outlet and point requiring lubrication obstructed Pressure on the line too low the lubricant is not delivered by any outlet or only by a few outlets Metering unit arranged for two outlets by used for only one outlet Electrical connection incorrect Incorrect adjustment of the control pressure gauge The pressure value set is too high and the pressure adjustment valve bypass intervenes before the pressure gauge can be activated Incorrect adjustment of the control pressure gauge The pressure value set is too low Replace the metering unit with another one having the same characteristics However it is advisable to make sure that the metering units have been correctly assembled particularly with regard to fixing Over locking of the fixing screws may damage the metering unit and cause the small piston to jam Remove the outlet pipe and check to see if the metering unit is delivering lubricant Change the pressure control valve adjustment bypa
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