GE Industrial Solutions Power Break II Motor Operator User Manual
Page 5
Power Break® II Motor Operator Mechanism
Installation in 800–2000 A Draw-Out Breaker
5
Installation in 800–2000 A Draw-Out
Breaker
W
W
W
W A
A
A
A R
R
R
R N
N
N
N IIIIN
N
N
N G
G
G
G ::::
Before installing any accessories, turn the
breaker off, disconnect it from all voltage sources, and
discharge the closing springs.
A
A
A
AV
V
V
VE
E
E
ER
R
R
RT
T
T
TIIIISSS
SSSS
SE
E
E
EM
M
M
ME
E
E
EN
N
N
NT
T
T
T::::
Avant d’installer tout accessoire,
mettre le disjoncteur en position OFF, le déconnecter
de toute tension d’alimentation, et décharger les
ressorts d’armement.
Use the following procedure to install the Motor Operator
Mechanism onto an 800–2000 A draw-out circuit breaker.
1
1
1
1 .... Verify that the rating on the Motor Operator
Mechanism identification plate matches the
voltage rating required for the application, as
listed in Table 1.
2
2
2
2 .... Check that the package contains all the parts listed
in Table 2. If any components are missing, contact
the ED&C Customer Support Center at 800-843-
3742. Note that the Remote Close and Shunt Trip
accessories are not included with the Motor
Operator Mechanism; they must be ordered
separately.
3
3
3
3 .... Verify that the charge arms of the Motor Operator
Mechanism are in the discharged position, as
illustrated in Figure 2.
4
4
4
4 .... Turn the breaker off and discharge the closing
spring by depressing the OFF and ON buttons in
the sequence OFF-ON-OFF. Verify that the breaker
OFF-ON indicator shows OFF on a green
background and that the charge indicator shows
DISCHARGED on a white background.
5
5
5
5 .... Engage the
1
⁄
2
-inch square end of the racking
shaft with the supplied wrench, catalog number
TDORT, as illustrated in Figure 8, and rotate the
shaft counter-clockwise to withdraw the breaker to
the DISCONNECTED position.
6
6
6
6 .... Pull the substructure rails out as far as possible
until they drop into the horizontal locked position,
as illustrated in Figure 9.
7
7
7
7 .... From the DISCONNECTED position, pull the
breaker out on the rails until the front rollers fall
into the detent.
8
8
8
8 .... Attach the Lifting Bar, catalog number TDOLB, by
locating the hooks on the bar beneath the shoulder
studs on the breaker, as illustrated in Figures 10
and 11.
9
9
9
9 .... Remove the breaker from the draw--out substruc-
ture and place it on a suitable work surface.
1
1
1
1 0
0
0
0 .... Loosen the four #8-32 screws on the trim-plate
assembly, if so equipped, and remove the trim
plate. If stand-offs are also installed, remove those
as well.
Figure 8. Wrench attached to the breaker racking shaft.
Figure 9. Withdrawing the substructure rails.
Figure 10. Lifting Bar attached to the breaker for manual lifting.
Pipe
Lifting Bar
Shoulder
Stud
Racking
Tool