ABB Symphony Harmony Series Instructions Manual page 104

Power Chassis Removal
Purpose/Scope
10 min.
Safety Considerations
WARNING
Procedure
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WBPEEUI210509A0
This procedure explains how to remove the power chassis from
the cabinet.
Parts None.
Tools Bladed screwdriver.
•
Phillips screwdriver.
•
1. Disconnect power before attempting these procedures. Fail-
ure to do so could result in severe or fatal shock, or equipment
damage.
1. Be sure power is removed at the source before starting this
procedure.
W1
2. Open the front and rear doors of the cabinet.
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3. Disconnect and label all wires connected to the power
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chassis.
4. Use the Phillips screwdriver to remove the pan head Phil-
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lips screws, M4 lockwashers, and M4 flat washers that secure
the power chassis to the rear mounting brackets (Fig. PR12-1).
5. While supporting the front of the power chassis, use the
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bladed screwdriver to remove the pan head slotted screws and
M8 lockwashers that secure the power chassis to the front
mounting brackets (Fig. PR12-1).
6. Remove the power chassis from the cabinet.
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PR12
PR12 - 1