EBARA JEU Operating Instructions, Installation & Maintenance Manual Download Page 3

Ebara

Fluid Handling

www.pumpsebara.com

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rev. 01/12

Ebara Self Priming Jet Pumps

JEU

General Safety Warnings

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.

No particular technical skills are required to use a JEU pump.

Preventative Measures to be Taken by The User 

The user must comply with all the accident prevention regulations in 
force in the country in which the pump is being used. The instructions 
provided in the Technical Data (page 4) must be followed exactly. 

During pump repairs or maintenance, remove the plug from 
the socket and/or turn off the switch (if provided), thus interrupting the 
supply of electric power to the pump. This will prevent accidental starting
which could cause damage to persons and/or objects. 

all maintenance operations, installations or shifting of the pump with the electric
system live may cause severe or fatal injury. During operation, avoid moving or
shifting the pump. 

before using the pump, always check that the cable and all the electric devices
are in working condition. 

Never start the pump (by inserting the plug in the socket and/or switching on
the switch) with bare feet, with your feet in the water, or with wet hands. 

JEU pumps are designed in such a way that all the moving parts are 
protected by the use of casings. Ebara declines all responsibility in 
the event of damage caused as a result of tampering with these devices.

Each lead or live part is electrically insulated to ground: there is also 
an additional safety device in that the accessible conductive parts are 
connected to a ground lead so that the parts within reach do not 
become electrically charged in the event of failure of the principal 
insulation. 

Summary of Contents for JEU

Page 1: ...d e l J E U Ebara Fluid Handling Ebara International Corporation Operating Instructions Installation Maintenance Manual Self Priming Jet Pump Certified to NSF ANSI 61 ANNEX G NSF ANSI 61 Annex G list...

Page 2: ...e troubleshooting table page 11 contact the nearest appointed distributor Technical assistance Manufacturer and Pump Identification Data Manufacturer Data Ebara Italia S p a Via Pacinotti 32 36040 bre...

Page 3: ...nd or turn off the switch if provided thus interrupting the supply of electric power to the pump This will prevent accidental starting which could cause damage to persons and or objects all maintenanc...

Page 4: ...ning pumps with good hydraulic performance The venturi nozzle system allows an increase in pressure exceptional operating safety and suction from a well with a depth of about 25 ft The pumps are guara...

Page 5: ...n derivations for automatic water distribution with small or medium size autoclave reservoirs for emptying tanks and reservoirs for irrigating and watering gardens for supplying water under pressure t...

Page 6: ...ABLE TO LIFT OR DRAG THE PUMPS To handle or disconnect the pump you must remove the plug from the power socket and or turn off the switch if included remove the discharge pipe if necessary remove the...

Page 7: ...t of the pump it is advisable to fit a no return valve with quick closing to reduce water hammer and a gate valve in this order g anchor the pipes to the tank or to fixed parts so that their weight is...

Page 8: ...WITH THIS RENDERS THE WARRANTY VOID Preparation for Use On three phase JEU pumps check the direction of rotation of the motor The impeller must turn in a clockwise direction when viewing the pump from...

Page 9: ...a trained electrician Three Phase Version The three phase version does not have an internal motor protector therefore the protection against overload must be supplied by the user The pump must be fed...

Page 10: ...and gradually open the gate valve on delivery d Check that noise vibrations pressure and electric voltage are at normal level refer to page 11 Stopping a Close the gate valve on delivery this should a...

Page 11: ...not work the motor does not turn over Cause Remedy Voltage drop on the power line Clogged filter at end of suction Dismantle and clean the filter Foot valve blocked Clean the valve and check its oper...

Page 12: ...essure too high Set the maximum pressure at lower values Type of Fault The pump vibrates or makes too much noise while operating Cause Remedy Flow rate too high reduce flow rate Cavitation Contact Eba...

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