XITRON 2000I, Руководство пользователя

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2000I & 2000M User Guide, Rev B
7. Locate and remove the four cross-head screws that hold the Power
Supply board to the standoffs mounted on the chassis bottom. Maintain
cable connections to this board, as board can be adjusted while
connected.
Replacing the Internal Battery
Sealed Lead-Acid batteries have an excellent operational life, however their
ability to retain charge degrades with time, especially at high temperatures.
Replacement of the internal battery is recommended after:
•
Two years,
•
A significant loss of storage ability is noticed,
•
The BATT CHG light does not extinguish after 15 hours of charging.
Caution:
The internal battery should only be replaced by an exact
replacement. Obtain a replacement battery from Xitron Technologies.
Warnings:
1)
Sealed lead-acid batteries are normally stored in a charged condition, take
extreme care when handling the battery.
2)
A
lways handle and dispose of Sealed Lead-Acid batteries in a safe
manner.
•
To replace a battery:
1. Open the instrument and remove the Microprocessor board as described
in the instruction:
To obtain access to the internal circuitry . Additionally
remove the Analog board and loosen the Power Supply board, as
required, to assist in replacing the battery.
2. Remove the two #6 nuts and corresponding screws that hold the battery
strap to the bracket. (Instruments with studs, require only removal of the
nuts.)
3. Remove the battery strap and old battery.
4. Install a new battery and reasseble the instrument in reverse order of
disassembly instructions. Be careful to replace all cable
interconnections, using the same orientation and cable routing as was