FTS 609
November 17, 1993
Replacing the Batteries in the Fortress LI 660
This FTS describes how to replace the batteries in Fortress LI 660 units.
Batteries should be replaced by a qualified technician. If you have any questions or problems,
please call Powerware Global Services at 800-356-5737. (Outside of the U.S. and Canada, call
your local Powerware office.)
To replace the batteries, you will need the following:
•
Needle Nose Pliers
•
Black Electrical Tape
•
Phillips Screwdriver — 6” long below handle*
*Note: The screwdriver should be six inches long below the handle so you can
replace the inside screws easily. Using a magnetic screwdriver makes removing and
replacing the screws easier.
Before you go on to Section 1, read the important safety warnings on the next page.
Contents Index
1. Removing the Fortress’ Cover......... ............ ............ ........................ ............ ............ ............2
2. Removing the Batteries....... ............ ............ ............ ........................ ............ ............ ............3
3. Replacing the Batteries ....... ............ ............ ............ ........................ ............ ............ ............5
4. Replacing the Fortress’ Cover ......... ............ ............ ........................ ............ ............ ............6
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS
This publication contains important instructions that should be followed during battery
replacement.
WARNING
The batteries used in this system are capable of producing dangerous voltages and high
currents. They may cause severe injury if terminals are shorted together or to ground
(earth). Extreme care must be taken to avoid electrical shock and burns from contacting
battery terminals or shorting terminals during battery replacement.
Powerware’s batteries come with a one-year warranty. Using batteries not supplied by
Powerware invalidates any BEST/Powerware service agreement.
