Inspection and Maintenance
NJ-series CPU Unit Hardware User's Manual (W500)
This section describes the required inspections and maintenance. It also describes the
service lives and replacement procedures for the Battery and Power Supply Units.
6-1 Periodic Maintenance and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-1
Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6-1-2
Unit Replacement Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6-2 Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6-2-1
Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
6-2-2
Operation without a Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6
6-1