66
Rev. 02.03.2017
Rev. 02.03.2017
Top plate
Bottom
plateSide
pane
•
When the machine cover is installed onto
the housing, check if it is loose.
•
Check if bolts are loose.
In case of defects, it is
necessary to replace or
fasten components, etc as
required.
CABLES
ITEMS
CHECK POINTS
RMKS
Grounding
cable
•
Check if every earth wire (for this
device and parent metal groun-
ding) falls off; and check if the
connections are safe and reliable.
In order to avoid personal
electric shock accidents,
be sure to conduct
related checks.
Cable
•
Check if the cable insulation layer
is worn and has other damages, if
the conductive components are
exposed.
•
Check if the cable suffers
abnormal exterior force
•
Check if the connection of the
cable connecting with the parent
metal is
reliable and firm.
In order to ensure the arc
safety and stability, be
sure to adopt proper
methods to conduct the
check according to the
condition of the operation
site; daily check should be
simple while regular check
should be careful.
18. REGULAR CHECK
Any live electrical parts touched may cause
fatal electric shock or serious burns. In or-
der to prevent such personal accidents as
electric shock and burn, be sure to follow
the instructions below:
•
In order to ensure safety, the regular check must be completed by personnel
with professional competency or competent personnel.
•
Before check, be sure to turn off the power supplies of this product,
distribution box (user‘s equipment), related devices (external devices
connected with the input terminal); and due to the discharge of the capacitor,
be sure not to operate until the welding power supply is turned off for at least
5min.
WARNING
!
66
Any live electrical parts touched may cause fatal electric shock
or serious burns. In order to prevent such personal accidents as
electric shock and burn, be sure to follow the instructions below:
•
Before touching the conductor of the cables and P plate inside the device, you
may remove the static in advance via touching the housing metal position wit h
your hand, etc
•
In order to maintain the performance of this product for a long time, the regular
check is required.
•
Be sure to conduct the regular check very carefully, including the inspection and
cleaning of the product inside.
•
The regular check should be generally conducted once every 6 months. (How-
ever, if much fine dirt exists in the welding place, or much oily smoke and fume
exists there, the regular check should be conducted once every 3 months).
You may make the label
and fill in the date for the
regular check.
If the welding machine has just been turned off, you cannot
conduct an Internal overhaul to it but you should do so at least
5min after the power distribution box switch or power switch is
disconnect ed so that the capacitor inside the welding machine can
have a complete discharge.
WARNING
!
CAUTION
!
67
EN
EN
