ABB ACH400 Series Retrofit Manual page 12

R3 Frame Size:
Attach the top adapter bracket to the back panel with two of the

existing drive mounting screws as shown in the picture at the right.
The adapter bracket has a lip and two (2) tabs that will point up when
properly installed.
 Remove the two remaining bottom mounting screws and use them
to attach the bottom adapter bracket to the back panel in the same
manner. Both brackets should have the tabs and lip pointing up-
wards.
Insert mounting screws bolts (provided in the kit) in the two (2)

top holes of the top adapter plate.
 Insert mounting bolts in the bottom two (2) holes in the bottom
adapter plate.
1