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EW2800
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Hitachi EW2800 [5/44] Safety instructions

- Technical and sanitary protection of all wel-

ding operators-directly or indirectly involved

in welding processes is provided by the regu-

lations in force for sanitation and prevention

^

2.3 SAFETY INSTRUCTIONS

For your safety, before connecting the source

to the line, closely follow these instructions:

- an adequate two-pole switch must be in-

serted before the two-pole main outlet; this

switch must be equipped with time-delay fu-



_"+`{

- the mono-phase connection with ground

must be made with a two-pole plug compati-

ble with the above mentioned socket;

- two wires of the two-pole input cable are

used for the connection with the mono-phase

line and the yellow-green wire for the compul-

sory connection to the ground in the welding

location;

- connect all the metal parts which are near

the operator in the welding location by using

cables bigger or of the same cross section of

the welding cable to a ground terminal;

< !!/-

wer source must be kept outside the welding

area and the ground cable should be welded

to the workpiece; do not work in a damp or

!1#|3

- do not use damaged welding or input ca-

1#}3{

- the operator should never touch, with any

part of his body, high temperature or electri-

1#~3{

- the operator should never wind the wel-

ding cables around his body;

- the welding gun should never be pointed

"-

wer source has a protection level IP 22; the-

refore, it prevents:

- any manual contact with hot or moving in-

ternal parts;

- the insertion of any solid body with more

?@{

- protected against vertically falling drops

!13!

?\

The source must never be operated without

its panels; this could cause serious injury to

the operator and could damage the equip-



2.4 FIRE PREVENTION

The working area should conform to the

+ $    -

tinguishers should be provided in the area

 !   =   <

= 0   

!1#?3'

combustibles cannot be moved, they must be

 ! <  (

 =  

!     

which contains heavy concentrations of dust,

=     

The power source must be located in a safe

!=={

!4!

!=

0-

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Technical and sanitary protection of all wel ding operators directly or indirectly involved in welding processes is provided by the regu lations in force for sanitation and prevention of employment related injuries 2 3 SAFETY INSTRUCTIONS For your safety before connecting the source the operator should never touch with any to the line closely follow these instructions part of his body high temperature or electri Fig 9 an adeguate two pole switch must be in cally hot metal parts Fig 9 serted before the two pole main outlet this switch must be eguipped with time delay fu ses and it must match the data specified in the chapter Technical Specification the mono phase connection with ground must be made with a two pole plug compati ble with the above mentioned socket two wires of the two pole input cable are used for the connection with the mono phase line and the yellow green wire for the compul sory connection to the ground in the welding location connect all the metal parts which are near the operator in the welding location by using cables bigger or of the same cross section of the welding cable to a ground terminal when working in a confined space the po wer source must be kept outside the welding area and the ground cable should be welded to the workpiece do not work in a damp or wet area in these conditions Fig 7 Fig 7 the operator should never wind the wel ding cables around his body the welding gun should never be pointed at the operator or at another person The po wer source has a protection level IP 22 the refore it prevents any manual contact with hot or moving in ternal parts the insertion of any solid body with more than 12mm diameter protected against vertically falling drops of water condensation with inclination max of 15 The source must never be operated without its panels this could cause serious injury to the operator and could damage the eguipment itself 2 4 FIRE PREVENTION The working area should conform to the Safety Regulations and therefore fire ex tinguishers should be provided in the area and walls ceiling and floor should be non flammable All combustible material must be moved from the welding area Fig 10 If combustibles cannot be moved they must be protected with fire resistant cover Ventilate potentially flammable atmospheres before welding Never operate in an atmosphere which contains heavy concentrations of dust flammable gas or combustible liguid vapor The power source must be located in a safe do not use damaged welding or input ca area with a firm and flat floor it should not be bles Fig 8 put against a wall Do not weld containers in which fuel lubricant or any other flammable material have been stored After having com 5

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