GE Industrial Solutions Power Break II Motor Operator - Manual (Page 7)

Power Break® II Motor Operator Mechanism
Installation in 800–2000 A Draw-Out Breaker
7
2 2 2 2 8 8 8 8 .... Reattach the breaker lifting bar, as illustrated in
Figures 10 and 11.
2 2 2 2 9 9 9 9 .... Pull out the substructure rails until they drop into
the horizontal locked position. Lower the breaker
so that the grooves in the rollers drop over the
rails.
3 3 3 3 0 0 0 0 .... Ensure that the grooves in all rollers straddle the
rails, then remove the Lifting Bar and push the
breaker into the substructure until it stops in the
DISCONNECTED position. Then lift the rails and
push them into the stored position.
2 2 2 2 8 8 8 8 .... Engage the 1 ⁄ 2 -inch square end of the racking shaft
with the supplied wrench and rotate the shaft
clockwise to draw the breaker into the TEST or
CONNECTED position, as illustrated in Figure 8.
Figure 14. Racking chain removed from the gear.
Figure 15. Removing the screw holding the secondary terminal block in
place.
Figure 16. Breaker resting on its back, ready for installation of the
Motor Operator Mechanism.
Chain
Terminal
Block
Screw Location
800–2000 A
Screw Location
2500–4000 A
Nylon
Plunger