ABB ACS880-01 Installation Manual page 113

5. Frame R3: First attach the side brackets (a) to the top and bottom U-brackets with
M6 nuts. Then attach the tightening brackets (b) to the both ends with M5×20
screws.
a
4 × M5×20 screw
3 N·m
R0...R3: 4 × M6 nut
R4...R5: 8 × M6 nut
6 N·m
Mechanical installation for ACH580-31 and ACQ580-31 113
b
Note: Attach this end of the side
brackets to the bottom U-bracket to
make sure that the sealing is tight.
a
b