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Instructions for VR-Series
Replacement Breakers for
Westinghouse Type B20B/B22B
IB01301018E
I.B. 94A1994R01
Page 8
Effective: April 2005
SECTION 3: RECEIVING, HANDLING AND STORAGE
Type B20B / B22B-VR circuit breakers are subjected to complete
factory production tests and inspection before being packed. They
are shipped in packages designed to provide maximum protection to
the equipment during shipment and storage and at the same time to
provide convenient handling. Accessories such as the maintenance
tool are shipped with the breaker (Figure 3-1).
3.1 RECEIVING
Until the breaker is ready to be delivered to the switchgear site for
installation, DO NOT remove it from the shipping container. If the
breaker is to be placed in storage, maximum protection can be
obtained by keeping it in its container.
Upon receipt of the equipment, inspect the container for any signs
of damage or rough handling. Open the containers carefully to
avoid any damage to the contents. Use a nail puller rather than a
crow bar when required.
When opening the containers, be careful that any loose items or
hardware are not discarded with the packing material. Check the
contents of each package against the packing list.
Examine the breaker for any signs of shipping damage such as
broken, missing or loose hardware, damaged or deformed insulation
and other components. File claims immediately with the carrier if
damage or loss is detected and notify the nearest Eaton’s Electrical
Services & Systems office.
Tools and Accessories
Maintenance Tool: This tool is used to manually charge the closing
spring. One maintenance handle is provided with each vacuum unit
replacement breaker. (Style# 8064A02G01)
Levering Handle: The levering handle is used to assist in moving
the circuit breaker into and out of the cell. This levering handle is the
same as the one provided with the original Westinghouse breaker
racking mechanism and is therefore not provided as part of the
vacuum replacement breaker.
Secondary Connection Block Extension Cable: The extension
cable can be used to connect the circuit breaker to a test cabinet or
to the switchgear cell’s secondary receptacle block so that the
breaker can be electrically operated while not installed in the
switchgear cell. This extension cable is the same one provided with
the original breaker and is therefore not normally included as part of
the vacuum replacement breaker.
Locking Rods: Two one inch diameter locking rods are provided to
lock the breaker in place when raised to the connect position. The
rods are inserted after the breaker has been lifted into the connect
position and locked in place by rotating the locking bar retainers into
place (Figure 3-3). The process is similar to that used on the original
breaker, except that the new locking rods are longer to accommo-
date the vacuum replacement design and do not have a threaded
portion. The new locking rods are held in place by the locking rod
retainers whose function is to replace that of the original threaded
portion and corresponding thread mating area of the original
breaker.
3.2 HANDLING
DO NOT USE ANY LIFTING DEVICE AS A PLATFORM FOR
PERFORMING MAINTENANCE, REPAIR OR ADJUSTMENT OF THE
BREAKER OR FOR OPENING, CLOSING THE CONTACTS OR
CHARGING THE SPRINGS. THE BREAKER MAY SLIP OR FALL
CAUSING SEVERE PERSONAL INJURY. ALWAYS PERFORM
MAINTENANCE, REPAIR AND ADJUSTMENTS ON A WORKBENCH
CAPABLE OF SUPPORTING THE BREAKER TYPE.
B20B / B22B-VR breaker shipping containers are designed to be
handled either by use of a rope sling and overhead lifting device or
by a fork lift truck. If containers must be skidded for any distance, it
is preferable to use roller conveyors or individual pipe rollers.
Once a breaker has been inspected for shipping damage, it is best
to return it to its original shipping container until it is ready to be
installed in the Metal-Clad Switchgear.
Figure 3-1 B20B / B22B-VR Tools and Accessories
WARNING
Figure 3-2 Overhead Lifting of B22B-VR
