Routine Maintenance Procedures
555-233-123
5-14 Issue 4 May 2002
4. Before installing the replacement power unit in the carrier, turn the power
unit on its side and operate rocker switches 1 through 4 on the DIP switch
as follows:
NOTE:
In the open position, the rocker is down on the side opposite the
number. In the closed position, the rocker is down on the side
adjacent to the number.
5. Move the locking slide on the replacement power unit to the extreme left
position and open the locking lever.
6. Insert the power unit into the carrier until some resistance is felt.
7. Lift the locking lever upward until it latches.
8. Move the locking lever slide on the power unit to the extreme right position.
9. Connect the power cord and set the power switch to ON.
Switch 631AR Position 631BR Position
1 open open
2closed closed
3 open open
4 closed open
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