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each break jaw (Fig 12).
insulation.
Failure to regularly lubricate the break jaws may result
in the failure of the switch to properly open or close.
Fig. 12
Break Jaw Lubrication
Section 6 - Bolt Tightness for Connections to
Terminal Pads
Use the following torque value for tightening bus joints.
Note: This table is for bus connections only. Use
the special torque values listed in the respective
sections for the main blades.
Torque Values in Foot-pounds for
Bolt Diameter
Diameter, inches
.25
Nominal Torque
4
Avoid any lubrication on
Lubricant
.31
.38
.5
.6
0
2
8
25
50
65
Page 10
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