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Instruction Book
Page 28
Effective: May 2016
For more information visit:
www.Eaton.com
IB131017EN
Figure 4-13 Drawout Cassette with Primary Safety
Shutters Open Showing Fixed Primary Stabs
back of the cassette (Figures
3-5, 3-6
and
4-13
)
.
Proper
engagement (fully engaged) of the finger clusters
(disconnects) and the cassette stabs takes place as the
circuit breaker is levered into the fully
CONNECTED
position, as described next in paragraph
4-6.4.
The primary
safety shutters automatically move out of the way as the
circuit breaker is levered toward the
CONNECT
position
exposing the fixed primary stabs in the cassette. The
primary safety shutters also close automatically as the
circuit breaker is levered toward the
TEST
position. Refer
to the next paragraph
4-6.4
levering details and additional
safety shutter information.
4-6.4 LEVERING CIRCUIT BREAKER
CAUTION
MAKE SURE THE CIRCUIT BREAKER ELEMENT IS IN
THE FULLY RACKED OUT POSITION IN THE CRADLE
BEFORE ANY ATTEMPT IS MADE TO PUT THE
CIRCUIT BREAKER INTO THE CASSETTE. FAILURE
TO DO SO COULD RESULT IN EQUIPMENT DAMAGE
OR BODILY INJURY DURING LIFTING AND
HANDLING. REFER TO PARAGRAPH 4-6.2 FOR
CIRCUIT BREAK-ER POSITIONING DETAILS AND SEE
FIGURES 4-14 AND 4-15.
Once the VCP-TL circuit breaker is in the TEST position
with the secondary umbilical cord properly connected, it is
ready to be levered into the CONNECTED position. Using
Figure 4-14 VCP-TL Breaker Shown in Levered Out
DISCONNECT Position - Correct for Breaker Positioning
Figure 4-15 VCP-TL Breaker Shown in Levered In
CONNECT Position - Incorrect for Breaker Positioning
The purpose of the levering device is to move the circuit
breaker from the
TEST
position to the
CONNECT
position and from the
CONNECT
position to the
TEST
position. The mechanism is comprised of a drive screw and
nut, and is part of the lower cradle assembly (Figure
4-16
)
.
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