Installation
Installing terminals
with p reparation o f con t act surfaces
L31--500EN/03
2/4
08--2000
E ALSTOM
Prep aring the cont act surfaces
Preparing the
contact grease
The contact grease is a mixture composed of Vaseline and Contactal grease.
CONTACT GREASE = 50% Vaseline + 50% Contactal grease
Preparing the
contact surfaces
The table below gives the steps of preparing the contact surfaces :
Step Action Diagram
1
Check the positionning of the ter-
minals using the circuit--breaker
layout.
2
Remove the temporary screws
from the terminal pads X1 and X2
(an arrow indicates the terminal
positions).
X1
X2
3 Dry rub with fine emery cloth.
4 Eliminate the dust produced.
5 Coat with CONTACT GREASE.
6 Wipe with a clean rag, leaving just
a thin layer of grease.
7 Rub over the grease with water-
proof abrasive paper A400.
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