Lever Breaker Into Cell; Positioning Of 7.5 Or 15 Kv Dhp-Vr Breaker; Final Engagement Of 5 Kv Secondary Contact; Final Engagement Of 7.5 Or 15 Kv Secondary Contact - Eaton Cutler-Hammer DHP-VR Series Instructions For Installation, Operation And Maintenance

Instruction Book
Page 18 Effective: March 2007
Figure 4-10 Positioning of 7.5 or 15 kV DHP-VR Breaker
Figure 4-11 Final Engagement of 5 kV Secondary Contact
Courtesy of NationalSwitchgear.com
Figure 4-12 Final Engagement of 7.5 or 15 kV Secondary
Contact

4-12 LEVER BREAKER INTO CELL

Trip the breaker open before attempting to lever it into the
cell. A mechanical interlock will prevent levering the
breaker into or out of the cell, if the breaker is closed.
EXCESSIVE FORCE, APPLIED TO THE LEVERING-IN
MECHANISM WHILE THE BREAKER IS CLOSED,
COULD SHEAR OFF THE PIN THAT THE LEVERING
CRANK ENGAGES DURING OPERATION.
WHILE LEVERING THE BREAKER, NOTE ANY
SUDDEN RESISTANCE TO LEVERING OR SIGNS OF
BINDING. DETERMINE THE CAUSE OF
INTERFERENCE AND CORRECT, AS APPROPRIATE,
BEFORE PROCEEDING.
Press down on the rail latch on the front right side of the
breaker with your foot, and push the breaker toward the
rear of the cell as far as it will go. Be sure the breaker is
pushed in until it stops. This will bring the levering nut on
the breaker up to the screw in the cell.
Engage the levering crank on the levering shaft, push
moderately toward rear of cell, and turn crank clockwise.
For more information visit: www.EatonElectrical.com
CAUTION
I.B6513C80G