Type 233000 & 234000 DROPSA SpA
Contents
1. and any accessories mounted on it should be carefully checked immediately on receipt and in the event of any discrepancy or complaint the Dropsa SpA Sales Department should be contacted without delay DROPSA S p A 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 of use of this system or its parts without prior written authorisation from DROPSA S p A will absolve the latter from any responsibility for injury or damage to persons and or property and will release them from all obligations arising from the guarantee The list of importers and instructions for ordering the required model are shown in Section 4 1 0 DESCRIPTION OF THE PUMP These powerful robust and long lasting pumps mounted on commercial drums are used for transferring light greases lubricants and other non corrosive fluids or fitted with a flexible hose and gun for filling grease cups or small tanks in the industrial and automotive fields Another interesting application of this type of pump is in the lubrication field where its capacity to deliver large quantities at a high working pressure renders it particularly suitable for feeding centralised progressive systems The pump is made up of a motor assembly with a synthetic rubber piston particularly resistant to abrasion moved from t2. Product manager Name DROPSA SpA Vimodrone MI Italy Company February 1999 Signature Date DROPSA DISTRIBUTORS UK U S A Dropsa UK Lid X Dropsa Corporation Unit 6 Egham Business Village 50679 Wing Drive Egham 40221 Dusseldorf 1 Utica Tel 39 02 250 79 1 Surrey TW20 8RB Deutschland Michigan 48315 Fax 39 02 250 79 767 Tel 44 01784 431177 Tel 49 0211 394 011 Tel 1 810 566 1540 E mail sales dropsa it econ Fax 44 01784 438598 Fax 49 0211 394 013 Fax 1 810 566 1541 Fax 55 011 548 9408 vendite dropsa it National E mail Copyright Dropsa all rights reserved Reproduction of any part of this document is strictly forbidden without prior consent from Dropsa Dropsa reserve the right to withdraw or modify specifications without prior notice E mail salesuk dropsa com E mail sales dropsa de E mail salesusa dropsa com E mail salesbr dropsa com C20171E Pneumatically driven pump Rev 1 June 2002 Page 9 of 9
3. to 110 cSt The versions for double lines are complete with a tank of 5 Kg It In sheet steel minimum level electrical contact filling valve hydraulic inverter and pressure gauge these are suitable for the lubrication of small to medium sized machinery 1 1 Accessories Nipple to connect pump to the flexible hose Part N 2513006 4 27 threaded for 1 flex side R4 UNI ISO 7 1 gas pump side Connector rotary Part N 2037659 C20171E Pneumatically driven pump Rev 1 June 2002 Page 2 of 9 Gun greasing Part N 1151000 Filter suction Part N 234063 Snap connector Part N 919000 Hose flexible air Part N 101100 length in cm overall R 4 gas flex 8x17 Hose flexible lubricant Part N 2513021 length in cm overall 4 27 threaded for 1 2 0 TECHNICAL SPECIFICATIONS Compression ratio 40 1 Command air pressure minimum 4 bar 0 4 MPa maximum 10 bar 1 MPa recommended 7 bar 0 7 MPa Lubricant outlet G 1 4 UNI ISO 228 1 1 4 Gas Compressed air inlet G 1 4 UNI ISO 228 1 1 4 Gas Delivery flow rate 400 gr of grease min with an air pressure of 10 bar HYDRAULIC DIAGRAM 233000 HYDRAULIC DIAGRAM 234000 hR LU A i Ty It is possible to command the pump manually with a simple valve or automatically utilising a 2 or 3 way solenoid valve 2 1 Methods of commanding the pump C20171E Pneumatically d
4. GI 1 234210 7 kg anan 234250 180 26 Grease NLGI 1 234260 7 5 kg Air aie Ht ae connector supplie 234125 20 26 Grease NLGI 1 234160 9 Kg With lid and pressure disc 234126 180 26 Grease NLGI 1 234260 23 Kg With lid and pressure disc 233310 5 supplied 26 Grease NLGI1 234050 18 3 Kg With minimum level 233330 5 supplied 26 Oil 1500 cst 234050 18 5 Kg With minimum level amp 2 way valve 233300 5 supplied 02 Grease NLGI 1 234050 25 kg With hydraulic inverter min level amp gauge 233305 5 supplied 02 Oil 1500 cst 234050 20 kg With hydraulic inverter min level amp gauge 254500 20 supplied 26 Grease NLGI 1 234160 35 Kg Con trolley 2m hose amp gun C2017IE Pneumatically driven pump Rev 1 June 2002 Page 8 of 9 CE Declaration Of Conformity Manufacturer DROPSA SpA Company Via Croce 1 20090 Vimodrone MI Italy Address 02 250791 Telephone It is certified that The machine Pneumatically driven pump series 233000 and 234000 is manufactured in conformity with the DIRECTIVE OF THE COUNCIL OF THE EUROPEAN COMMUNITY concerning the harmonisation of member states legislation relative to machines 98 37 CE 91 368 CEE EMC 89 336 CEE and BT 73 23 CEE and relative amendments is manufactured in accordance with the following standards and harmonised technical specifications EN 292 1 EN 292 2 EN 50081 2 EN 50082 2 CEI EN 60204 1 EN 1050 Technical manager Ing Walter Divisi
5. INSTRUCTIONS FOR USE Pneumatically driven pump Type 233000 amp 234000 DROPSA SpA In accordance with point 1 7 4 to I Dir 98 37 CE Sections 0 0 INTRODUCTION AND WARNING 1 0 DESCRIPTION OF THE PUMP 2 0 TECHNICAL SPECIFICATIONS 3 0 CORRECT USE 4 0 DISTRIBUTORS DECLARATION OF CONFORMITY R rt Catalogue P N C2017IE Wk 23 02 Registered name DROPSA SpA Address via Croce 1 20090 Vimodrone MI Italy Model Pneumatically driven pump 233000 amp 234000 Year of manufacture 1999 Marking CE 0 0 INTRODUCTION AND WARNING This user s and maintenance manual refers to series 233000 amp 234000 pneumatically driven pumps for use in mineral oil or grease lubrication systems It is recommended that this manual is carefully kept in good condition and is always available to persons requiring to consult it To request further copies updates or clarifications with respect to this manual contact the Engineering Department at Dropsa SpA The use of the pump referred to in this manual must be entrusted to qualified personnel with a knowledge of hydraulics mechanical and electrical systems the non observance of the information given in this manual or the improper use of the equipment by non qualified or non authorised personnel can put persons or the environment at risk due to the escape of fluids under pressure It is of extreme importance that the instructions for use are read and understood both by th
6. e operators and maintenance personnel in cases of doubt please contact the area representative or our Customer Service department The manufacturer reserves the right to update the product and or the user s manual without the obligation to revise previous versions It is however possible to contact the Engineering Department for the latest revision in use It is the responsibility of the installer to utilise tubing suitable for the system the use of unsuitable tubing can generate problems with the pump risks to persons and cause pollution The loosening of connections can cause serious safety problems and all such connections should be checked before and after installation and tightened if necessary Never exceed the maximum operating pressure values allowed for the pump and the components to which it is connected Before any maintenance or cleaning operations close off the air supply and release the pressure from the pump and the tubing to which it is connected Do not subject the pump the tubing or other parts under pressure to violent impacts damaged tubing or connections are dangerous and should be replaced After prolonged periods of inactivity ensure the tightness of all connections subjected to pressure It is required that personnel make use of protection devices clothing and necessary tools suitable to the place and employment of the pump both while in operation and during the undertaking of maintenance tasks The pump
7. es not require any further maintenance The use of lubricants free from impurities is recommended and the periodic careful cleaning of the component parts of the pump and inspection for any signs of damage The machine does not require any special tools to carry out checks or maintenance tasks However it is recommended that only tools suitable for the tasks and in good condition should be utilised DPR 547 55 to avoid injury to persons or damage to machine parts 3 7 Repairs The following diagnostic table indicates the main anomalies which may be encountered the probable causes and possible solutions The anomalies shown are e the pneumatic motor fails to function e the pneumatic motor functions but fails to deliver product e the pump fails to maintain pressure In case of doubts and or problems which cannot be resolved do not attempt to disassemble parts of the machine but contact the Engineering Department of DROPSA S p A C20171E Pneumatically driven pump Rev 1 June 2002 Page 6 of 9 SYMPTOM PROBABLE CAUSE REMEDY The pneumatic motor fails Problems with the supply Check the air supply connections Check to function line the air treatment assembly e Pump rod blocked e Remove the rod and check that it slides freely Dissemble and clean if necessary e Internal damage e Disconnect the rod and check that the motor functions if necessary disassemble clean and replace any damaged parts The pneumatic mo
8. g Dept of Dropsa Spa protection against direct and indirect contact must be provided by the user given the purpose of the pump it must always be functioning for this reason it is necessary to pay attention to the electrical connections which in the case of a power failure the customer s machine is restarted only by means of a reset while the lubrication pump is able to restart During installation and maintenance stages there exists the danger of cutting with the suction fitting C20171E Pneumatically driven pump Rev 1 June 2002 Page 7 of 9 Fluids Lubricants with abrasive additives INADMISSIBLE FLUIDS Danger High wear rate of contacted parts Lubricants with silicon additives Seizure of the pump Petrol solvents inflammable liquids Fire explosion damage to seals Corrosive products Corrosion of the pump injury to persons Water Oxidation of the pump Food products Contamination of the product itself 4 0 Instructions for ordering and distributors Versions available Part N Fordrums Syst Lubricant Part N Pump Note pump of Kg It to be pumped dip tube weight 234 23405 5k Air attachment with snap connector 34000 5 26 Grease NLGI 1 234050 5 5 kg eae Air attachment with snap connector 234150 20 26 Grease NLGI1 234160 6 kg Eiei Air attachment with snap connector 234200 56 26 Grease NL
9. mping screws Connect the flexible hose to the delivery outlet of the pump check that it is suitable for the operating pressure and flow rate 6 Connect the pump to the compressed air supply Sie Sa Disassembly The pump has been designed and constructed to require the minimum of maintenance 1 Disconnect the air supply and the lubricant delivery hose from the pump if required the pump rod can be emptied by operating the pump with the rod uppermost DANGER ensure hands are not near the suction inlet during the pump operation 2 Clamp the pneumatic motor head in a vice and unscrew the dip tube take care of the joint lockpin which can easily come out and be lost in the lubricant 3 Separate the 2 components both can be overhauled or replaced without any difficulties Where the machine is to be scrapped do not dispose of potentially polluting parts in the environment following local regulations for their correct disposal At the time of the machine being scrapped it is necessary to remove and destroy the identification plate and all other relative documents 3 5 Regulation The only parameter which can be modified is the pressure to modify the value increase or decrease the pressure of the command air supply 3 6 Maintenance Locate the machine in conditions which facilitate easy access Utilise individual protection to avoid contact with mineral oil or grease Having undergone rigorous testing by ourselves the pump do
10. o open the tank and to invert the operating direction if the float 3 2 Use 1 verify the settings on the control panel where fitted 2 press the start button of the machine to which the pump is connected 3 verify the starting of the pump 4 verify the adequate lubrication of the machine if doubt exists as to the correct functioning consult the Engineering Department of Dropsa SpA to request test procedures 5 Where used as a transfer pump verify that the flow of the lubricant is continuous and constant 3 3 Transport and storage Transport and storage is effected in a cardboard package No particular precautions are required except as noted on the package itself Handling can be effected by one person Lift the unit with taking account of the right way up indicated on the cardboard carton The machine components can withstand temperatures during storage from 20 to 50 C however in order to avoid damage starting of the machine should occur at a minimum temperature of 5 C 3 4 Assembly Disassembly C2017IE Pneumatically driven pump Rev 1 June 2002 Page 5 of 9 Assembly No provisions are made for the disassembly of the pump Carefully check the integrity of the drum any dents could impend the movement of the pressure disc Open the lid of the drum and level the surface of the grease Clamp the pump to the appropriate the drum lid Place the lid with the pump on the drum taking care to secure it with the cla
11. op to bottom and vice versa by a compressed air jet and a pump rod with a chromed piston connected to the motor piston The lubricant is primed on the upstroke of the piston filling the lower chamber of the pump rod or the priming chamber and from here through a non return valve passes to the upper chamber high pressure chamber In the successive downstroke phase the piston forces this quantity of lubricant through the pump outlet and simultaneously refills the priming chamber so repeating the cycle The pressure with which the lubricant is delivered is 40 times that of the command air while the flow rate at a temperature of 20 C with an air pressure of 10 bar is in the order of 400 grams of lubricant a minute The following accessories can be supplied on request Pressure disk to be used when the pump is mounted directly on a commercial grease drum This disk acts to maintain the grease compact and to avoid the formation of air bubbles in the feed line so prejudicing the the functioning of the system Lid made for mounting this type of pump substituting the original drum lid Suction filter to be mounted on the pump dip tube as the lubricants supplied in commercial drums are not always free from impurities Air treatment assemblies Specifications double action filter in the air line Air regulator for a constant air pressure Lubricator with a constant air oil ratio Control of the oil flow viscosity of the oil up
12. r For correct fixing verify the distance between centres shown in the diagram in Section 2 2 Use gloves and safety glasses as required in the lubrication oil safety chart DO NOT use aggressive lubricants with NBR gaskets and seals if in doubt consult the Engineering Department of Dropsa SpA who will provide a chart with the details of recommended oils DO NOT ignore dangers to health and observe all hygiene standards e WARNING All electrical components must be grounded This refers to both electrical components and control devices In this regard ensure that the ground cable is correctly connected For reasons of safety the ground cable must be approx 100 mm longer than the phase cables In the event of accidental detachment of the cable the ground terminal must be the last to be removed t action to be taken prior to start up Verify the integrity of the pump Insert the pump in the drum ensuring there are no air bubbles in the grease Verify that the pump is at operating temperature and the tubing free from air bubbles Verify the integrity of the supply line Check that any electrical connections have been effected correctly CEI 64 8 IEC 364 Check that any solenoid valves or level indicators are correctly connected to the control panel Unless otherwise specified by the customer the minimum level is supplied with the contacts normally closed Where the user requires the contacts to be normally open it is necessary t
13. riven pump Rev 1 June 2002 Page 3 of 9 2 2 Fixing dimensions DIMENSIONS 233000 CODICE PESO DIMENSIONI mm ETIPO Kg daN A B C 233250 Grasso 233300 Grasso 233305 Olio CODE amp WEIGH DIMENSIONS TYPE T DIMENSIONS 234000 239 Codice Codice Codice coperchio disco pompa pressatore accessori 234150 234160 1141550 1141132 234125 234200 234210 1141551 1141136 234250 234260 1141552 1141102 234126 234320 234260 3042054 2343604 Pompe complete di coperchio e disco pressatore menla Drum PartN PartN PartN Length PartN PartN Part N Pump Air Motor Pump rod Dip tube Pressure pump Lid disc access Pump complete with lid and pressure disc e i 2 3 Other data Viscosity of lubricant at operating temperature oil From 15 2000 cSt Max density of grease which can be pumped at operating NLGI 1 temperature Operating temperature 5 80 C Operating humidity 90 relative humidity 20 50 C Noise pressure level lt 75 dB A C20171E Pneumatically driven pump Rev 1 June 2002 Page 4 of 9 3 0 CORRECT USE 3 1 Putting into service The unit may be used opened and repaired only by specialised personnel The pump MUST NOT be submersed in fluids or utilised in environments which are particularly aggressive or explosive inflammable if not prepared for this purpose beforehand by the supplie
14. tor e lack of lubricant inthe drum e Refill or replace the drum functions but fails to deliver product e The suctionisimpeded by e Disassemble the rod and clean internally impurities e Valve or seals worn e Disassemble the rod clean internally and replace any worn components The pump fails to maintain e Valves or seals worn e Disassemble the rod clean internally and pressure replace any worn components 3 8 Dangers present in use The verification of conformity with the essential safety requirements and regulations of the Machine Directive is effected by means of the compilation of a check list which has been pre prepared and is contained in the technical file The lists which are utilised are of three types list of dangers as in EN 414 referring to EN 292 application of essential safety requirements Machine Dir att 1 part 1 electrical safety requirements EN 60204 1 The following is a list of dangers which have not been fully eliminated but which are considered acceptable it is possible to encounter low pressure oil squirts during maintenance for this reason appropriate protective clothing must be worn contact with oil gt see the requirements for the use of suitable personal protective clothing pre loaded springs in the control cylinder and where fitted in the tank use of unsuitable lubricant gt the characteristics of the fluid are shown on the pump and in the manual in case of doubt contact the En
Download Pdf Manuals
Related Search