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Page 10 of 17
Installation & Adjustment Procedures
Adjustment of contact pressure
The correct contact pressure has been pre-set at the factory and should not need adjustment. If
for some reason you find it necessary to adjust the contact pressure, follow these rules:
•
Consult your single-pole assembly drawing for the correct contact pressure at the hinge
and contact end.
•
To increase the contact pressure, tighten the contact adjusting bolt (Figure 6). Be cautious
about applying too much pressure as it may cause galling of the silver contact surfaces.
•
The blade tip must come down into the jaw in its center, without dragging on either side as
shown in
Figure 6. Use the jacking bolts that support the jaw insulator to tilt the insulator
sideways, if necessary, to ensure this condition.
Figure 6: Contact End Shown Fully Closed
Contact Adjusting Bolt
Contact