Rockwell Automation 1336-SN-SP20A Snubber Board Kit - Manual (Page 18)

1336-5.40 – August, 1999
I-18
1336 PLUS II Drives
Figure I-9
SCR Assembly Access
1. Remove power from the drive.
2. Turn the enclosure door latches 90 degrees counterclockwise to
open the enclosure door.
3. Turn the latches, located on the left side of the PC Board
Mounting frame, to open the PC Board Mounting Frame. Refer to
Figure I-9.
4. Check for zero volts between +DC and -DC. Refer to Figure I-6.
AB0964
Heat Sink Assembly Ground Cable
PC Board
Mounting Frame
Input Lines
Drive shown with door open, sides removed.
!
ATTENTION: A blown fuse can create a hazard of
shock which may result in death or serious injury. Check
voltage between the bus bar and both ends of all fuses.