Rockwell Automation 20P PowerFlex DC Drive - Frame D SCR Module Leg Assembly - Manual (Page 8)

Publication 20P-IN054A-EN-P
8
11. If you are reusing the bimetal thermostat mounted on the left SCR module
leg assembly, disconnect the wires from the connector mounted on the
middle, left-side of the assembly.
12. Remove the two hexalobular screws that secure the thermostat to the heat
sink and remove the thermostat.
Step 4: Install the New
SCR Module Leg
Assemblies • Install the new SCR module leg assemblies in the reverse order of removal as
detailed in Step 3: Remove the Existing SCR Module Leg Assemblies on
page 4 .
Important: Apply thermal grease to the bottom of the bimetal thermostat
before installation.
– Tightening torque for the bimetal thermostat is 1.0 N•m (8.9 lb•in).
– Tightening torque for the SCR module leg assemblies is 4.5…5.0 N•m
(40.0…44.4 lb•in).
– Tightening torque for the SCR module input and output terminals to the
fuse terminals and DC output bus bars is 45 N•m (398 lb•in).
Remove screws
Disconnect
wires from
connector