MKS 651C - Installing the New Battery

Battery Replacement Cha
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14. Pull the front panel module completely forward and remove the battery circuit board
assembly.
Installing the New Battery
1. Disconnect the two insulated clips from the battery terminals.
Caution
Do not
allow anything to short across the battery terminals; for
example, a screwdriver.
2. Push the battery straight up (from underneath) and out.
3. With the new battery positioned such that the terminals are at the rear and + is on the
right-hand side, reconnect the two insulated clips.
Be sure that + is connected to + and - is connected to - .
4. Feed the ribbon cable through the slot.
Be sure to keep the cable away from the heatsink.
5. Replace the two screws that attach the circuit assembly to its chassis and the screw
removed from the left side of the housing.
6. Position the front panel module and battery backup housing so that the ribbon cable
connector can be plugged into the card cage.
7. Plug the bus connector into the circuit board located in the battery backup housing.
8. Slide the battery backup housing into position and snap it into place.
9. Replace the two screws on each side of the battery backup housing.
10. Push the front panel module slightly back and fold the ribbon cable.
11. Slide the front panel module into the battery backup housing and snap into place.
12. Replace the two screws on both sides of the front panel module.
13. Replace the top cover and its two screws.
The unit is now ready to be plugged in and powered up.