TECNA 3680 Manuel D'utilisation Et De Maintenance page 43

MAINTENANCE
8
DANGER
After the machine is switched off, some
internal parts retain an electrical charge
for a few minutes (power capacitors).
Wait at least 10 minutes before carrying
out maintenance
machine.
WARNING
Maintenance operations must be carried
out exclusively by qualified personnel,
capable of performing the indicated
operations in safe conditions.
Whenever possible, the welding machine
should be disconnected from the power
supply.
8.1 Periodic inspections
• Power cable and plug condition
Frequency
Before each use
Additional description
Inspect the condition of the power cable and
plug.
There should be no signs of cracking, cuts, deep
abrasions, etc.
In the case of defects, replace the cable.
Competence for the task
Operator/Maintenance technician
• Condition of the cables and hoses on the
pneumatic gun
Frequency
Before each use
Additional description
Check the state of the cables and connecting
hoses on the pneumatic gun.
There should be no signs of cracking, cuts, deep
abrasions, etc.
In the case of defects, replace the cable.
Competence for the task
Operator/Maintenance technician
• Coolant level
Frequency
Every work shift
Additional description
Check the coolant level in the tank (keep the
tank at least 3/4 full).
If necessary, top up the coolant following the
instructions in the paragraph "Filling the cooling
system tank."
Competence for the task
Maintenance technician
Translated copy of the original Italian text
• Condition of the contact surfaces
work inside the
• Checking the condensate
• Cleaning the heat exchanger radiator
• Condition of the cooling system
EN-15
Frequency
Every month
Additional description
Check that the contact surfaces between the
arm, gun and electrode holder are clean.
If necessary, clean with a soft cloth and apply a
thin layer of conductive grease.
Competence for the task
Operator/Maintenance technician
CAUTION
Do not use abrasive tools (disks, strips,
sponges, etc.) to clean the contact
surfaces.
Frequency
Every month
Additional description
Check the condensate level inside the water
separator.
If necessary, drain the condensate through the
valve on the lower part of the
tank.
Competence for the task
Maintenance technician
Frequency
Once a year
Additional description
Clean the fins on the heat exchanger radiator
with compressed air
Competence for the task
Maintenance technician
Frequency
Once a year
Additional description
Check that there are no residues or deposits of
any kind inside the tank or in the hoses.
If there are, remove them.
Competence for the task
Maintenance technician
EN