Model JEU Self Priming Jet Pump Operating Instructions, Installation & Maintenance Manual Certified to NSF/ANSI 61, ANNEX G * NSF/ANSI 61 Annex G listed Ebara Fluid Handling Ebara International Corporation
Ebara Self Priming Jet Pumps Contents Section Manufacturer and Pump Identification Data Technical assistance Introduction General Safety Warnings Description Technical Data recommended and Non-recommended Uses Handling and Transport Installation assembly and Disassembly Preparation for Use Use and Start-up Maintenance and repairs Troubleshooting JEU Page 2 2 2 3 4 4 5 7 8 8 9 10 10 11 Manufacturer and Pump Identification Data Manufacturer Data Ebara Italia S.p.
Ebara Self Priming Jet Pumps General Safety Warnings JEU FAILURE TO OBSERVE THESE WARNINGS AND/OR TAMPERING WITH THE PUMP RELIEVES EBARA OF ANY RESPONSIBILITY IN THE EVENT OF DAMAGE TO PERSONS OR OBJECTS AND/OR TO THE PUMP. before starting the pump it is important for the user to know how to perform all the operations described in this manual and to apply them at all times during use or maintenance of the pump. There are no rESIDUaL rISKS for JEU pumps.
Ebara Self Priming Jet Pumps Description JEU JEU pumps are similar in function and construction with the only differences: • power • flow rate • head • electric power supply (single-phase or three-phase) • weight • dimensions JEU pumps are used for lifting and handling water, even at high temperatures (Technical Data). Due to the small construction and ease of transport, the JEU pump can be used for fixed or temporary installations, with easy disconnection from the system/application.
Ebara Self Priming Jet Pumps recommended (and Non-recommended) Use WARNING: JEU Failure to respect the prescribed limits constitutes a situation of use that is technically improper and endangers the safety of persons; RELIEVING EBARA OF ANY RESPONSIBILITY IN THE EVENT OF ACCIDENTS TO PERSONS OR DAMAGE TO OBJECTS OR TO THE PUMP AND ALSO RENDERING THE WARRANTY VOID.
Ebara Self Priming Jet Pumps Handling and Transport Unpacking JEU Check that there are no breaks or severe dents in the packing. If there are, point this out immediately to the person who delivered the material. after removing the pump from the package, check that it has not suffered any damage during shipping. If damage is found, inform the distributor within 8 days of delivery. Check that the specifications stated on the plate of the pump are the same as requested in your order.
Ebara Self Priming Jet Pumps JEU Installation WARNING – TO LIFT OR LOWER THE PUMP, USE A ROPE FIXED TO THE HANDLE. NEVER USE THE ELECTRIC POWER CABLE. a)Use plastic pipes with a certain degree of rigidity or metal pipes, to prevent them from collapsing under the vacuum that is created during suction. b)If using flexible pipes or hoses for suction or distribution, avoid bending them to prevent choking or blockages due to treading on them or twisting them.
Ebara Self Priming Jet Pumps Installation (continued) JEU Temporary Installation (For Temporary Use) a)The pump must be placed on a level surface, as near as possible to a source of water. b)When positioning the pump, observe the minimum required distances from walls, so as to allow functioning, use and maintenance operations in safe conditions. c) Use pipes with a suitable diameter (see page 4) fitted with threaded couplings, and screw them onto the suction and discharge areas of the pump.
Ebara Self Priming Jet Pumps Preparation for Use (continued) Electrical Connection (continued) JEU • For connection to the power mains, use a cable complying with IEC standards with a suitable section (bearing in mind the installed power, as on page 4) and a suitable length; remember also the mains voltage and polarity (page 4). • The power cable must be connected to the terminals as illustrated in the wiring diagram.
Ebara Self Priming Jet Pumps JEU Use and Start-up WARNING – NEVER RUN THE PUMP WITHOUT WATER. LACK OF WATER MAY CAUSE SEVERE DAMAGE TO THE INTERNAL COMPONENT. General Warnings STarTING – When the pump is up to operating speed, open the discharge valve to obtain desired capacity or pressure. WARNING! DO NOT ALLOW THE PUMP TO RUN WITH THE DISCHARGE VALVE TIGHTLY CLOSED.
Ebara Self Priming Jet Pumps Troubleshooting Type of Fault JEU The pump does not work (the motor does not turn over).
Ebara Self Priming Jet Pumps Troubleshooting (continued) Type of Fault JEU The pump stops after brief periods of operation (booster set applications). Cause Remedy Very small difference between Increase the difference in pressure maximum and minimum pressure Type of Fault The pump does not stop.
