1) SAFETY
This manual has the purpose to guide experienced people about installation, operation and maintenance
for Welding Rectifier LHJ 750. DO NOT allow non-qualified personnel to install, operate or repair this
equipment.
You must read and understand all information in this manual.
Remember that:
¡
As any electrical machine or equipment, Welding Rectifier LHJ 750 must be disconnected from the power
network before performing any maintenance
¡
To perform any internal measuring or intervention which requires the equipment to be energised, make
sure that:
Þ
the equipment is correctly grounded;
Þ
the site is not wet;
Þ
all electrical connections, internal or external, are duly tightened.
14
LHJ 750
E
lectrical shock can kill
W
elding smoke and gases can be harmful to your health
E
lectrical arcs burn the skin and hurt your sight
N
oise in high level can damage your hearing
S
park and metal particles and wire end can hurt your eyes