Allen-Bradley 1512B, User Manual

Page: 15 / 108

Rockwell Automation Publication 1500-UM055I-EN-P - December 2021 15
Chapter 1 Installation – Standard Enclosure
Joining Sections
1. Position the left side of the section on a level surface and secure the
section in place with 12 mm (1/2 in. [M12]) floor mounting bolts (refer
to
Anchoring on page 14 ).
2. When joining NEMA Type 12, apply a continuous 3 mm (1/8 in.) wide
bead of silicone sealer around the perimeter of one section.
3. Remove the side bus access covers if applicable.
4. Position the right section against the left section. Ensure that the surface
is level.
5. Secure the sections together using the 1/4-20 self-tapping screws (12 lb•ft
[15 N•m]). Thread the screw through the 7 mm (0.281 in.) clearance hole
to the corresponding 6 mm (0.219 in.) pilot hole. To access the front
clearance holes of the left-side cabinet, open the medium voltage doors.
To access the rear clearance holes remove the rear covers of the starter. If
rear access is not available, refer to
Front Access– Access to Power Bus on
page 18 .
6. Secure the right section to the floor using M12 (1/2 in.) floor mounting
bolts (refer to Anchoring on page 14 ).
Figure 6 - Joining Sections
Joining hardware can be found in a package mounted on the front
of the shipping skid. Refer to publication MV-QS050 for level floor
surface requirements.
Front
Fro
nt
Side Bus
Access Cover
0.219 Pilot
Holes (5x)
0.281 Pilot
Holes (5x)
0.281 Pilot
Holes (5x)
0.219 Pilot
Holes (3x)