4-50
Assembly Replacement
A14BT1 Battery
A14BT1 Battery
Tools Required
• T-10 TORX screwdriver
• soldering tools
• exacto knife
• Dow Corning 3145 RTV Clear Adhesive Sealant (HP part number 0470-0450)
Removal
1. Remove the instrument cover. (Refer to "Instrument Cover" in this chapter.)
2. Remove the top cover by removing the 11 screws that secure it.
3. Remove the bottom cover by removing the 15 screws that secure it.
4. Unsolder the leads of the battery (A14B
T1) from the motherboard (A14).
CAUTION: Calibration data will be preserved with the removal of the battery. However, user data will
be lost unless it is saved and later restored using an external controller.
5. The battery is also attached to the motherboard with a silicon adhesive. Using an exacto knife, carefully cut through
the adhesive to lift and remove the battery from the motherboard.
WARNING: Battery A14BT1 contains lithium. Do not incinerate or puncture this battery. Dispose
of the discharged battery in a safe manner. Refer to
Chapter 9, "Safety and
Regulatory," for instructions on how to dispose of the battery.
6. Remove any excess adhesive from the motherboard surface.
Replacement
1. Apply a small amount of silicon adhesive to the battery’s location on the motherboard.
2. Insert the new battery into the motherboard making sure it is oriented with the correct polarity.
3. Solder the battery’s leads
to the motherboard.
4. Reassemble the instrument.
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