Rockwell Automation 23P PowerFlex DC Stand-Alone Regulator (SAR) Bimetal Thermostat - Manual (Page 8)

8 Rockwell Automation Publication 23P-IN007A-EN-P - June 2011
Step 6: Remove the
Bimetal Thermostat
1. Remove the stand-off and washer from the heatsink (if needed for additional
clearance).
2. Remove the bimetal thermostat from the heatsink and dispose of properly.
Step 7: Install the
New Bimental
Thermostat and
Reassemble the
SAR 1. Install the new bimetal thermostat in reverse order of removal. See
Remove the
Bimetal Thermostat on page 8 .
2. Install the field circuit board in reverse order of removal. See
Remove the Field
Circuit Board on page 6 .
3. Install the power interface circuit board and switching power supply circuit board in
reverse order of removal. See Remove the Power Interface Circuit Board and
Switching Power Supply Circuit Board on page 5 .
4. Install the control circuit board in reverse order of removal. See
Remove the Control
Circuit Board on page 4 .
Stand-off
Bimetal Thermostat
Tightening Torque:
1.0 N•m (8.9 lb•in)
IMPORTANT Thermal grease must be applied to the bottom of the bimetal thermostat
before securing it to the heatsink. Clean the surface of the heatsink and
the new bimetal thermostat with isopropyl alcohol, then apply a thin coat
of thermal grease to the bimetal thermostat.