Maintenance
40
Figure
18
Batteries
Replace Batteries (Newer Models)
1.
Disconnect the AC power cord from the ac mains supply.
2.
Remove the four screws that secure the top cover.
3.
Lift the top cover to access the attached ground wire then disconnect the ground wire and remove the cover.
4.
Remove two retaining screws securing the battery assembly. See
Figure
19
.
5.
Disconnect battery assembly power supply connector.
WARNING
Exposed AC line voltage (115 VAC or 230 VAC). Disconnect the power cord from the
AC line before replacing the batteries. Failure to comply may result in severe
electrical shock or death.
WARNING
Use only Nickel Metal Hydride (NiMH) batteries that have a minimum capacity of 4500
milliampere hours (mAh). Do not install batteries that are not Nickel Metal Hydride.
Do not install NiMH batteries that have less than 4500 mAh capacity. Failure to
comply may result in damage to the batteries, damage to the instrument, and injury
to personnel from battery chemicals.
Item
Description
1
Battery retaining belt
2
Battery tube (batteries
inside)
