Rockwell Automation 20B PowerFlex 700 Drive Components Replacement - Frame 8 - Manual (Page 67)

Rockwell Automation Publication 20B-IN024C-EN-P - June 2012 67
Component Replacement Procedures Chapter 3
Install Components
1. Remove the new fan housing from the new fan and mounting plate.
Discard the new fan housing.
2. Install the new gasket (if the old gasket was damaged) and mounting plate
to the chassis. Torque the mounting screws to 2.9 N•m (26 lb•in).
3. Install the left busbar mounting plate bracket. Torque the mounting screws
to 5.6 N•m (50 lb•in).
4. For AC drives, install the MOV surge suppressor as detailed on
page 71 .
5. Connect the fan cables.
6. Install the busbar and mounting plate assembly:
a. Torque the four 10 mm nuts for the busbar mounting plate to 5.6 N•m
(50 lb•in).
b. Torque the 11 mm mounting nut on the setscrew for each U, V, and W
busbar at the current transducer output busbar to 5.6 N•m (50 lb•in).
c. Torque the two 17 mm mounting bolts for each U, V, and W busbar at
the current transducer output busbar to 9 N•m (80 lb•in).
d. Torque the three 16 mm mounting bolts for the busbar connection to
the converter SCR modules to 9 N•m (80 lb•in).
e. Torque the six wiring screws for the busbar connection to the converter
SCR modules to 2.9 N•m (26 lb•in).
f. Torque the 17 mm mounting bolts for the DC+ and the DC- busbars
(one each) that connect to the converter busbars to 23.5 N•m
(208 lb•in).
7. Replace all safety shields and enclosure covers before applying power to the
drive.