ABB GWT C9, Product Manual

Page: 83 / 128

Illustration Action
xx1900000003
Loosen the screws and nuts (x3) press-
ing the electrode holder in place. 3
Remove the electrode holder by pulling
it out gently. 4
xx1900000004
Clean the contact surface (marked with
red in the illustration) with a clean cloth
to remove remains of old contact paste. 5
Clean the contact surface with scotch
brite (very fine grade) to remove any ex-
isting oxidation. If the stainless steel
hose was removed use a scotch brite
wheel otherwise use a hand pad. 6
Lubricate the contact surface with new
contact paste.
Spread the paste evenly over the entire
contact surface using a brush. 7
xx1900000005
Remove the complete electrode (position
1) and copper gasket (position 2) from
the electrode holder (position 3). 8
Remove the cooling pipe from the elec-
trode holder (position 4). 9
Before replacing the electrode holder,
remove the insert couplings from the old
electrode holder (position 5). 10
Continues on next page
Product manual - GWT C9 83
3HAA010198-001 Revision: A
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.4 Replacement of the electrode holders and water hoses
Continued