90PUNTPI11 – 90PUNTPI12 – 90PUNTPI13 – 90PUNTPI21 – 90PUNTPI22 – 90PUNTPI23
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Replacing the arms
•
Press the large yellow clamp pushbutton to obtain the wide opening of the clamp
•
Turn off the compressed air supply
•
Switch off the machine
•
Place the clamp into the appropriate holder or at any rate at a position higher than the coolant liquid container
•
Slacken off the arm locking screws
•
Slip off the arms
•
Take the other arms and make sure that
some grease is spread on the whole surface of the arm attachment
(recommended grease: Loctite 8065 C5-A copper anti seize)
•
Insert the arms fully into the mechanical stop
•
After having aligned the surfaces of the electrodes tighten the lock-screws.
Double side welding preparation
CLEAN BOTH SIDE OF THE 2 METAL SHEETS
Clean both sides of the sheet metal on the area of the welding
spot to insure a good electric contact between the electrodes
and the metal sheets and between the sheets surfaces
Single side gun electrode sharpening
•
Sharpen the electrodes with a file
•
The electrode shape should be regular and not flat,
typically round or conic
Single side welding preparation
•
Clean both sides of the top metal sheet
•
Clean the top side of the bottom metal sheet
•
Clean the bottom metal sheet at the ground contact point
Single sided gun welding recommendations
•
Apply a pressure of at least 10kg (20lbs) on the electrode
•
Always weld on the thinner metal sheet side
.
•
Always start with the furthest point to the ground to the
closest.
•
Always connect the ground to the bottom metal sheet.
•
Use a strong blocking clamp to secure the ground (no
spring clamp)
