Internal Accessories
39
SB Breaker Cover Removal
(See page 37, steps 3 and 4)
NOTE: When placing the drawout removable element on a
workbench, ensure that the plug-in finger clusters are not
supporting the weight of the breaker.
Removal of Left and Right Drawout
Mechanism Assemblies
To remove the crankshaft:
Preparation For Installation of Electric Motor Operator
1.) Remove the “E” rings from the bar cap pin on each side.
2.) Remove the bar cap pin from each side.
3.) Rotate the bar caps upward.
4.) Lift out the crankshaft assembly. (Rotating the crank-
shaft back and forth will make removal easier.)
5.) Remove the left and/or right mechanism assemblies as
required by removing two (2) 5/’6" bolts and nuts on
each side.
Re-installation of Left and Right Drawout
Mechanism Assemblies
1.) Attach the left and/or right mechanism assemblies to the
breaker using two 5/16' bolts and nuts on each side
Torque the bolts to 16-20 foot-pounds. (The left and
right mechanism assemblies can not be installed with
the front cover on the breaker.)
2.) Rotate the bar caps upwards
Courtesy of NationalSwitchgear.com
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