ABB Symphony Harmony Series Instructions Manual page 77

Procedure
on the proper locations on the front mounting brackets
(Fig. PR4-1).
4. Install the power chassis from the front of the cabinet until
□
the rear of the power chassis rests on the rear mounting
brackets while still manually supporting the front of the power
chassis.
5. Use the bladed screwdriver, and appropriate number of
□
pan head slotted screws and M8 lockwashers to secure the
power chassis to the front mounting brackets.
6. Use the Phillips screwdriver, and appropriate number of
□
pan head Phillips screws, M4 lockwashers, and M4 flat wash-
ers to secure to power chassis to the rear mounting brackets.
7. If this procedure is part of power chassis replacement
□
rather than an initial installation, duplicate the wiring and
cabling from the replaced power chassis to the new power
chassis. If this procedure is part of initial power chassis instal-
lation, continue with the next procedure in the installation
sequence.
PR4 - 2
NOTES:
1. This step does not apply if this procedure is part of the replacement
sequence.
2. Figure PR4-1 shows a single power chassis configuration. In dual power
chassis configurations the top power chassis takes the place of the large filler
panel.
a. For single power chassis installations, install the cage
nuts on the 14th and 17th holes from the top of the
cabinet.
b. For dual power chassis installations, install the cage
nuts on the 5th, 8th, 14th, and 17th holes from the top of
the cabinet.
WBPEEUI210509A1