ABB GWT C9 Product Manual page 67

Time interval
Every 1,000,000
weld strokes
Product manual - GWT C9
3HAA010198-001 Revision: A
Item Maintenance
Laminated leaf Inspect the condition of the laminated leaf shunts and
shunts the fasteners. Verify that no abnormal wear, cracks or
deformation have occurred. See below drawing, position
12 and 13.
Damaged leaf shunts, or shunts where more than 10%
of the shunts are damaged, may cause severe over-
heating. This will ultimately cause destruction of the C9
welding gun.
If necessary:
•
•
xx2200000327
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4.2 Maintenance planning
WARNING
Retighten the bolted joints. See
tightening torques on page
Replace damage leaf shunts by following proced-
ure Replacement of the leaf shunts on page
Continues on next page
4 Maintenance
Continued
Bolt, screws,
118.
87.
67