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PSA-65C BATTERY PACK REPLACEMENT PROCEDURE
Read the following instructions in their entirety before attempting battery replacement.
1. Unplug AC cord from unit.
2. Remove battery fuse, set aside to avoid loss.
3. Remove the four screws from battery access cover found on the bottom of the unit.
CAUTION: Care should be used so as not to let both terminals of a battery touch the
bracket at the same time. Before removing old batteries, their polarity should
be noted.
FOR REMOVAL - ALWAYS DISCONNECT THE BLACK (NEGATIVE) LEAD FIRST!
WHEN INSTALLING - RECONNECT THE BLACK (NEGATIVE) LEAD LAST!
4. Allow batteries to slowly drop out of cavity.
Note: Do not try to pull more than six inches of wire leads from battery wire exit point.
For additional clearance, the surrounding battery bracket and rear panel screws can
be loosened slightly.
5. Carefully observe orientation of battery terminals and wiring when removing battery set.
6. Disconnect wires by sliding crimp connectors off battery terminals. Again note location of
disconnected wires for reference in reassembly.
7. Make sure plastic insulation sheet inside of cavity is in place, rewire and install new
batteries facing in the same direction as old batteries.
TIP: Taping the batteries together, above and below, makes it easier to handle batteries.
8. Replace the cover and hardware and tighten all screws.
9. Reinstall the battery fuse.
10. Test for proper battery operation.
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