Rockwell Automation 23P PowerFlex DC Stand-Alone Regulator (SAR) Fan Assembly - Manual (Page 2)

2 Rockwell Automation Publication 23P-IN006A-EN-P - June 2011
Step 1: Remove Power
Remove and lock-out all incoming power to the SAR.
Step 2: Remove the Fan
Assembly 1. Remove the cooling vent mounting screws (4) on top of the SAR, and save
for reassembly.
2. Disconnect the fan plug from the XV connector on the switching power
supply circuit board.
3. Remove the cooling vent and fan assembly from the chassis.
4. Remove the fan assembly mounting screws (4), and save for reassembly.
ATTENTION: Remove power before making or breaking cable
connections. When you remove or insert a cable connector with power
applied, an electrical arc may occur. An electrical arc can cause
personal injury or property damage by:
•
sending an erroneous signal to your system’s field devices, causing
unintended machine motion
•
causing an explosion in a hazardous environment
Electrical arcing causes excessive wear to contacts on both the module
and its mating connector. Worn contacts may create electrical resistance.
L1 L2 L3
O
I
=
Cooling Vent Mounting
Screws (4)
Tightening torque:
1.0 N•m (8.9 lb•in)
Fan Assembly
Mounting Screws (4)
Tightening torque:
3.0 N•m (26.5 lb•in)
Fan Plug (behind
the vent, not shown
in this figure)