Installation & Removal Of Backup Battery (P/N 28-1575Axx) - GE MDS 4790 Series Installation & Operation Manual

DANGER
PERSONAL
INJURY
HAZARD
MDS 05-3438A01, Rev. F
RSPSupply - 1-888-532-2706 - www.RSPSupply.com
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Figure 39. Main Transceiver and Power Supply Removal
8.2 Installation & Removal of Backup Battery
(P/N 28-1575Axx)
To install the backup battery, follow these steps:
1. Make sure AC power is removed and the
is set to (see Figure 11 on Page
OFF
2. Remove the 4 Phillips screws on each side of the chassis and
remove the top cover of the radio.
When handling the backup battery, be careful not to short the
terminals on the radio chassis. Doing so can cause damage to
the battery and cause personal injury.
3. Place the battery in the chassis in the area provided (see
on Page 88) and secure the battery clamp over the battery. The bat-
tery should be a minimum rating of 4.5 Ah.
MDS 4790/9790 Series I/O Guide
Invisible place holder
MAIN TRANSCEIVER
BOARD
POWER SUPPLY
BATTERY BACKUP
16).
switch
Figure 40
87