Maintenance
Item
Time interval
Inspect the condition of the laminated leaf shunts and
the fasteners. Verify that no abnormal wear, cracks or
deformation have occurred. See below drawing, position
12 and 13.
WARNING
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.
Laminated leaf
shunts
Every 1,000,000
weld strokes
If necessary:
•
Retighten the bolted joints. See
tightening torques on page 118
•
Replace damage leaf shunts by following proced-
ure
Replacement of the leaf shunts on page 87
.
xx2200000327
Continues on next page
Product manual - GWT C9
67
3HAA010198-001 Revision: A
© Copyright 2022 ABB. All rights reserved.
4 Maintenance
4.2 Maintenance planning
Continued
Summary of Contents for GWT C9
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