Cornelius VIPER Service Manual page 62

Viper Low overrun Service Manual
The motor board is located in the E-Box, to the right of the control board. It is mounted to the panel on three (3) plastic
mounting studs and a threaded standoff, shown in Figure 51. To replace the motor board, perform the procedure in
Table 61.
Step
1
2
3
4
5
6
Mounting
Studs
Publication Number: 621360241LOEWSE
Disconnect power from the unit.
Connect a static strap to your wrist and any convenient chassis ground on the unit.
Unplug the eight (8) connectors from the control board.
Squeeze each of the mounting studs at the corners of the board while care-
fully lifting the board.
Replace the board with a new board.
Reverse the procedure to install the new board.
Figure 51. View of Motor Board in E-Box
Table 61.
Action
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