Atlas Copco WEDA L95 Manuel

ELECTRIC PUMP

WEDA L95

--------------------------------------------

Instructions handbook

Polígono Pitarco II, Parcela 20, 50450 Muel, Zaragoza, Spain.

Made in Italy

Printed matter Nr.

2960 3480 00

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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____________________________________________________________________________Ed. 11/18____

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INDEX

PRESENTATION..………………………………………………………………. pg. 3

WARRANTY REGULATIONS.…………………………………………………. pg. 4

1.0 DESCRIPTION…………………………………………………………………... pg. 5

2.0 TRANSPORT, ASSEMBLY AND DEMOLITION.……………………………. pg. 6

3.0 STARTING AND OPERATION…………..…..………………………………... pg. 10

4.0 MAINTENANCE AND CLEANING.…..………………………………………...pg. 12

5.0 NOISE…..…….…………………………………………………………………...pg. 16

6.0 SAFETY…………………………………………………………………………...pg. 17

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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____________________________________________________________________________Ed. 11/18____

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PRESENTATION

This instructions manual has been conceived and structured for rapid and easy consultation, thanks to the

index ordered by subjects, and explanatory figures and tables.

GENERAL WARNINGS

This instructions manual must be studied by the owner of the machine, the technical personnel within the

factory, the operators, that is, all those that will be using the machine, the maintenance technician.

The manual is an integral part of the machine and contains information on its use, technical characteristics, as

well as instructions for handling, installation, assembling, regulation and maintenance.

It also contains a section for trouble-shooting, if necessary, and for the ordering of spares.

The Atlas Copco technicians are always available, by telephone, fax or e-mail, to supply all the explanations

that may be needed.

This manual:

-must be considered as integral part of the machine until it is taken to the breakdown yard;

-must be kept in an easily accessible place and suitable for its preservation;

-must be consulted each time that there are problems or doubts on the operation of the machine;

-must be carefully followed for whatever regards the necessary maintenance operations set out in it.

In case it is lost, apply for a copy directly from Atlas Copco.

Atlas Copco reserves the right to carry out all modifications to update the machine or instructions manual

according to the technological progress and the state of the art.

This constitutes no obligation to carry out modifications to the machines that have already been sold. If the

machine is ceded to a third party, it is recommended that of the instructions manual follow it.

ATLAS COPCO RETAINS ITSELF FREE FROM LIABILITY OF ANY KIND, AND ESPECIALLY FOR:

-improper use of the machine;

-use of the machine by personnel not trained to used it;

-power supply defects;

-maintenance defects;

-unauthorized and unforeseen modifications;

-use of spares that are not original or not specific for the model;

-non observance of the instructions;

The uses of the machine for different purposes are to be considered dangerous for the operator and for the

machine. Likewise, modalities of installation and utilizations different from that indicated in the present manual

could cause damage to persons and/or to the machine itself.

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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____________________________________________________________________________Ed. 11/18____

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WARRANTY REGULATIONS

Atlas Copco guarantees the original user that the machine will be reasonably free from factory and material

defects.

This warranty lasts for 12 ( twelve ) months from the invoice date, and refers to the repairing of any defect that

will be recognized by Atlas Copco as being subject to warranty.

The warranty does not apply to those parts that result defective because of incorrect use, handling or bad

observance of the use and maintenance instructions supplied by Atlas Copco.

The warranty is not applied for those listed parts subject to normal wearing:

- seals and gaskets, shaft sleeves, impeller, stirrer, wear-plates, casing, discharge adapter, excavator teeth

and electrical components;

The warranty on the electric motor is applied only if the standard electronic control console foreseen has been

installed.

If the Purchaser tries, either to repair any fault that is under guarantee, or obtain direct supply of the spare part

without previous written consent of Atlas Copco the latter will not be responsible for the results of the repair

and will not be held to reimburse the expenses sustained by the Purchaser.

Any claim for warrantable failures shall be sent in writing to Atlas Copco prior to the expiry of the warranty

period.

As soon as the spare is ready, the Client will make the defective part available to Atlas Copco.

The warranty is applied in one of the following ways and at the discretion of Atlas Copco :

-replacement of defective part with a new one, made available in the offices of the Purchaser at the

lowest transport rate;

-repair of defective part, after this has been returned to Atlas Copco with transport expenses prepaid.

Atlas Copco declines all responsability for the expenses due to “down-time”, business costs and losses

deriving there from.

This warranty is the sole warranty provided by Atlas Copco.

There are no other warranties, explicit or implied, or of merchantability or fitness for a particular purpose.

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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____________________________________________________________________________Ed. 11/18____

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1.0 DESCRIPTION

STRUCTURAL DESCRIPTION OF THE MACHINE (Fig. 1)

The Atlas Copco motor driven pumps are made of high quality materials and undergo severe controls before

leaving the factory.

They are essentially made up of a cylindrical pump casing 3inside of which is housed an electrical motor 4.

The upper part 2is completely water-tight, and contains the terminal box for connection to the electric motor,

the seal is guaranteed by the cover 1and by a series of seals.

Inside the oil housing 5is housed the group of seals and gaskets 11 that prevents the water from passing to

the motor.

On the main shaft 12, inside the casing 6there is a keyed impeller 7, made in high chrome content anti-wear

materials.

A wear plate 8, made with the same material, partially closes the impeller inlet.

Inside the strainer protection 9houses a cutter 10 that rotates and stirs the mixture of solids in the water to be

pumped.

Fig. 1

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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2.0 TRANSPORT, ASSEMBLY AND DEMOLITION

Atlas Copco pumps are generally transported encased inside a crate to avoid damage to the pump or parts of

it.

The crate is arranged for unloading with a fork-lift truck, whose capacity must be able to sustain the weight of

the pump ( see data sheet enclosed in this instructions handbook ) as shown in Fig. 2.

The pump is placed inside the crate as seen in Fig. 3, it must be freed from the packing and lifted with ropes

hooked to the appropriate lifting plate A.

Fig. 2

Fig. 3

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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INSTALLATION

1) Connect the delivery pipe.

-The delivery pipes must never form siphons (Fig. 5) pag. 6, to avoid problems due to the formation of

air pockets or deposits of solid material.

-Before connecting then pump to the electrical supply source, make sure that all the data on the rating

plate correspond ( voltage, power, absorption, etc. )

The pump is supplied with a supply cable already connected.

2) Connect the end of the wires to the control panel, taking care to respect the power supply phases and the

yellow/green ground wire that will be connected to the general grounding system of the plant.

-The user must guarantee the electrical conductivity between the machine and the main grounding

system of the plant.

NO!

Fig. 5

Fig. 4

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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3) If the electric cable has not been requested proceed as follow (Fig. 6) pag. 7:

-Remove screws 32, lift upper cover 3.

-Remove screws 27 and lift the cable lock 2.

-Slip the cable lock 2onto the electric cable and after that the seal composed by Kit 1( rubber sleeve ),

1A ( steel washer ), 1B ( rubber washer ) alternating the iron washers with the rubber washers.

-Slip on the upper cover 3, taking care that the still completely insulated cable comes out sufficiently to

be connected to the terminal box35.

-Tighten the screws 27 until the cable 2lock rests on the upper cover 3, making sure that the composed

pack is sufficiently compressed to avoid water leaking in.

-Insert the seal 34 in its lodging.

-Connect the electric cables to the terminal box, including the yellow/green ground cable, to the screws

prepared for this purpose.

-Position upper cover 3on the pump casing, making sure that the seal remains in its seat, to avoid

damage and as a result water leakage, tighten down the screws 32.

Fig. 6

ELECTRIC PUMP WEDA L95

INSTRUCTIONS HANDBOOK

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Warning: the pump supply cable must be a cable HO7RN-F type with rubber insulated flexible wires,

chloroprene-type 076 internal sheath in compliance with CEI 20-19- mark HAR with a cross-section for the

current absorption of the pump, or of equivalent type.

DISMANTLING

Before doing anything on the pump, be sure to disconnect the electrical supply and disconnect the delivery

pipes.

Warning: the machine that is considered completely useless must be removed from the department and

collected by the manufacturer or any other firm specialized in demolition. Remember that dismantling the

machine in your establishment will “produce” different materials ( metals, plastics, oil, etc. ) whose

disposal will be done in compliance with the legislative regulations in force in the state where the machine

is found.

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