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Summary of Contents for Lincoln industrial EM-U2
- Page 1 Owner Manual 1.3A-28001-B97 Electric Motor-Operated Change-Over Valve EM-U2 and Electric Motor-Operated 2/2-Way Valve and 3/2-Way Valve 1027a95 Page 1 of 16 LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259 • Tx 466088...
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Page 2: Table Of Contents
Owner Manual 1.3A-28001-B97 Preface of the Owner Manual This Owner Manual is intended to familiarize the user with the If persons who are charged with work with the pump/lubrication pump/lubrication system and to enable him to use its various fea- system do not have a good command of the English language, it is tures. -
Page 3: Safety Notes
Owner Manual 1.3A-28001-B97 Safety Notes The Operating Instructions include general instructions which Staff Qualification and Training must be followed when a pump/pump unit is installed, operated or The staff responsible for operation, maintenance, inspection and serviced. Therefore, it is absolutely necessary for the fitter and installation must be adequately qualified for these jobs. - Page 4 Owner Manual 1.3A-28001-B97 Safety Instructions for Maintenance, Inspection and Instal- lation Services The user must make sure that all maintenance, inspection and installation work is executed by authorized and qualified experts who have throroughly read the Operating Instructions. On no ac- count may work be done on the machine while the machine is in operation.
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Page 5: Description
Owner Manual 1.3A-28001-B97 Description Model Variants The different model possibilities are represented on following chart: Variants Part number model with 24 VDC model with 230 VAC A B A B Change-over valve (4/2-way valve) 618-28387-1 618-28388-1 2003a95 3/2 -way valve Connection B 625-28448-1 625-28450-1... -
Page 6: Examples Of Application
1030a95 1079a96 Fig. 4 EM-U2 used as a 2/2-way valve for filling systems Fig. 2 EM-U2 used as a 3/2-way valve for two-line lubrication systems, with the possibility to relieve both lines simultaneously Page 6 of 16 LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259 • Tx 466088... -
Page 7: Features
24 V DC version: 11 kg 230 V AC version: 12.8 kg fitting position: optional 1 0 3 7 c 9 5 Fig. 5: mounting dimensions of the EM-U2 item description Important: The change-over valve housing is sluable by 180°... - Page 8 Owner Manual 1.3A-28001-B97 1032b95 1033b95 Fig. 6: circuit diagram 24 V DC version Fig. 7: circuit diagram 230 V AC version Page 8 of 16 LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259 • Tx 466088...
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Page 9: Mode Of Operation
Owner Manual 1.3A-28001-B97 Mode of Operation • Change-over valve housing (1) operates as a 4/2- or 3/2 way • The rotating motion of the motor (3) is converted by the eccen- valve and is actuated by the DC gear motor (3). tric (6) and the connecting link (2) into a stroke of the piston (5) which performs the reversing process. -
Page 10: Erection And Assembly
Owner Manual 1.3A-28001-B97 Erection and Assembly of the EM-U2 Mechanical Installation • When installing the change-over valve, pay attention to the mounting dimensions shown on Fig. 5 • The change-over valve can be installed in any position. • Fix it to the housing feet by means of 4 screws M 10. -
Page 11: Factory Setting
Owner Manual 1.3A-28001-B97 Factory Setting The factory settings are shown on following figures. In the case of resettings, please refer to Item 4.3: remedy to the fault „change-over valve operates continuously“. 1075a95 Fig. 9: piston final position 1 1075a95 Fig. 10: Piston final position 2 item description connecting link... -
Page 12: Troubleshooting
Do not touch anything between the con- necting link (Fig.8, item B) and the chan- ge-over valve housing (Fig. 8, item A) if the housing cover is opened and the EM-U2 is ready for operation. • Fault: no pressure build-up or pressure build-up too slow •... - Page 13 Owner Manual 1.3A-28001-B97 Fault: The line which has been charged after the reversing process is not relieved or No pressure build-up in the respective line after the reversing process although the pressure between the pump and change-over valve increases rapidly. •...
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Page 14: Spare Parts List
Owner Manual 1.3A-28001-B97 Spare Parts Drawing and Spare Parts List 1028b95 Fig 12: spare parts Page 14 of 16 LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259 • Tx 466088... - Page 15 Owner Manual 1.3A-28001-B97 Spare Part List EM-U2 Item Designation Quantity Part Number change-over valve housing assembly1 518-31801-1 screw DIN 912 M5 201-12017-8 o-ring 219-12224-1 supporting washer 306-17805-1 u-cup sealing ring 220-12234-5 gasket 306-19592-1 housing 314-19593-1 lock nut 237-13352-2 cable gland...
- Page 16 Declaration by the manufacturer as defined by machinery directive 89/392/EEC Annex II B Herewith we declare that the supplied model of Electric Motor-Operated Change-Over Valve EM-U2 and Electric Motor-Operated 2/2-Way Valve and 3/2-Way Valve is intended to be incorporated into machinery covered by this...
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