Rockwell Automation 20P PowerFlex DC Drive Frame D Series A to Series B Fan Replacement User Manual
Page 5
Rockwell Automation Publication 20P-IN074A-EN-P - October 2014
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PowerFlex DC Drive Frame D Series A to Series B Fan Replacement
2. Cut the cable ties that secure the fan blower motor wires to the fan
capacitor wires.
3. Use a 13 mm (0.5 in.) socket wrench to loosen the four nuts (two on each
side) that secure the fan assembly bracket to the drive frame, and lift the
fan assembly bracket up to clear the fan blower inlet. Remove the bracket
and fan assembly from the drive.
Step 4: Remove the Existing
Fan Loss Detection Board
1. Remove the wires that are connected to terminal block at XE on the fan
loss detection circuit board.
2. Remove the wires that are connected to the terminal block at XC from the
fan loss detection board.
3. Disconnect the ground wire from connector PE.
4. Remove the four hexalobular screws that secure the fan loss detection
board to the insulator and remove the board. The tightening torque is
noted in the illustration for reassembly.
ATTENTION: The edges of the blades on the fan blower can be sharp. Take
precautions to help protect against personal injury when handling the fan
assembly.
Loosen nuts - two each
side of bracket.
Lift bracket and fan and
pull out of drive.
Tool size: 13 mm (0.5 in.)
18.0 N•m (159.3 lb•in)
IMPORTANT
Mark all connections and wires before removal to avoid incorrect wiring during
reassembly.