Publication 2100-IN012B-EN-P - April 2005
Installation Procedures 2-9
Figure 2.9 Joining Instructions for NEMA Type 3R and 4 Sections
Bus Torque Specifications
Tighten all bus splice connections with a torque wrench and socket at intervals
established by your maintenance policy. See Chapter 9 for suggested
maintenance. If a torque wrench is not available, tighten until the conical
spring washer is flat.
Torque values can be found on the information label located on the interior of
the vertical wireway door or on the interior right-hand side plate of frame
mounted units.
(2) Wireway extensions required for 15" deep
(2) Wireway extensions required for 20" deep
(1) .25"-20 X .75" taptite per wireway extension
Remove right hand driphood
angle and discard.
Drillout (5) .172" diameter holes
to 1/4" diameter in driphood.
Remove left hand
driphood angle and
remount after adjacent
driphood has been drilled
out.
(2) .25" X .50"
Taptites
Taptites
Taptites
(2) or (4) .25" X .50" Taptites
Wireway Extensions
Cabinet Spacer
(2) .25" X .50" Taptites
(2) .25" X .50" Taptites
Cabinet Spacer
Gasket
Gasket
(2) .25" X .50" Taptites
Cabinet Spacer
MC MCC MCC
Gasket
Remove right hand & left hand
side plates before joining
sections.
Gasket across top of driphood
and down the backplate on
one of the joining sections.
(2) .25" X .50"
(2) .25" X .50"
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