Lucent Technologies Enhanced VR Series Batteries
Issue 5  December 1998  Maintenance  8 - 1
8 Maintenance
Maintenance 
Schedule
Proper maintenance ensures good performance, provides an 
opportunity to view trends as they develop, and ensures that the 
product remains under warranty coverage. 
Table 8-A lists the required routines and intervals for 
maintaining the Enhanced VR batteries. “Paragraph Reference” 
refers to the procedures for performing the routines that follow 
the table. (The procedures and intervals are the same for all 
models of the Enhanced VR Series battery.) 
Table 8-A: Maintenance Routines
Required
Routine Action Interval Paragraph Reference
Individual Battery 
Voltages
Measure/Record Quarterly
“Individual Battery 
Voltages”
Battery Temperature Measure/Record Quarterly
“Measuring Battery 
Temperatures”
String Current 
Measurement
Measure/Record Quarterly
“String Current 
Measurement”
Inter-module 
Connections of Module 
and Rack
Inspect Quarterly
“Inspection and 
Cleaning” 
Clean As needed
“Inspection and 
Cleaning” 
Retorque As needed
“Retorquing 
Inter-battery 
Connections”
Note: Failure to adhere to these maintenance schedules and to record results 
will void the warranty.