Ku nst sto ffschweißtec hni k
Safety rules
Chapter 2
02.08.2011
Working Instructions WIDOS 4900 CNC 3.5
Page 12 of 68
2.7. Dangers while handling the machine
The heating element butt welding machine
WIDOS 4900 CNC 3.5
is constructed according to
the latest technical standard and the acknowledged technical safety rules.
However, dangers for the operator or other persons standing nearby may occur. Also material
damages are possible.
The machine should only be used
•
According to the purpose oriented usage
•
In safety technical impeccable status
Disturbances, which may affect the safety of the machine must be cleared immediately.
Only skilled persons are allowed to work at electrical appliances.
•
The electrical equipment of the machine has to be checked regularly.
Loose connections and damaged cables have to be replaced immediately.
•
All electric tools (heating element, planer, basic machine with clamps and control unit) have to
be protected from rain and dropping water (if need be use a welding tent).
•
According to VDE 0100, the use on construction sites is only allowed with a power distributor
with a FI-safety switch.
•
Replace damaged front foil at the control unit in order to avoid water coming in.
System parts and pressure hoses should be made pressureless before beginning
of any repair works.
There is a danger of injuring the eyes by hydraulic oil squirting out. The hydraulic
oil can be hot!
•
Damaged hydraulic hoses have to be immediately replaced.
•
Make a visual inspection of the hydraulic hoses before each work beginning.
•
The hydraulic oil is inedible !
•
The hydraulic oil has to be handled and disposed of
properly
.
2.8. Specific dangers
2.8.1. Danger of stumbling over hydraulic and electric wires
Make sure that nobody has to step over the cables.
Make sure that the cables lay in such a way that the danger is maintained in a
minimum. Do not squeeze, buckle, etc. the cables. Avoid the hydraulic cables from
being heated up (increase of pressure!).