Exide Technologies Section 93.20 User Manual
Page 67
SCR/SCRF Series Battery Charger
JD5022-00
Preventive Maintenance Procedure
MAINTENANCE DATE
PERFORMED BY
Step (standard features)
Instructions
Results
Clean battery charger
•
All vents clean and open.
•
Remove dust and debris from inside of unit.
¨ OK
¨ OK
Check all electrical
connections and wiring
•
TB1 and TB2 connections all tight.
•
Internal wiring connections tight, slip-on connectors fully seated. Wire
and lug insulation in good condition.
•
Terminations at battery or bus are tight and corrosion free.
¨ OK
¨ OK
¨ OK
Check ac input voltage
•
Measure at TB1-L1, TB1-L2 & TB1-L3 (3 Phase only) using ac
voltmeter. Value must be within +10%, -12% of nominal.
Input
Vac
Check dc output
voltage
•
Measure at TB2(+) and TB2(-) using dc voltmeter. Value should agree
with front panel voltmeter within 2%, and must be correct values for
your battery. If the charger is using a temperature compensation probe,
see the curve in Section VII of user's manual to determine correct
battery voltage.
Float
Vdc
Equalize
Vdc
Check ripple voltage
•
Measure at battery terminals using ac voltmeter set to milliVolts scale.
•
Check against specification listed on charger's Data Nameplate.
Ripple
mVac
Exercise front panel
controls
•
Switch from Float to Equalize, then back to Float.
¨ OK
•
Verify front panel meters functional
¨ Volts OK
¨ Amps OK
•
Verify adjustment capabilities of float and equalize potentiometers.
¨ Float OK
¨ Equalize OK
Check voltage settings
•
Verify voltage setting per battery manufacturer recommendations.
•
Utilize float and equalize potentiometers to make any required
adjustments. See Section IV of user's manual.
¨ Float OK
¨ Equalize OK
Final checks
•
Close and latch front panel door.
•
Restore charger to normal operation.
¨ OK
¨ OK
Step (optional features)
Instructions
Results
Check alarm settings
•
See Section V of SCR/SCRF Series battery charger user’s manual for
calibration of alarms.
¨ HVDC OK
¨ LVDC OK
Combined Alarm Status
Monitor (CASM)
•
See service instruction JD0036-00 for CASM alarm adjustments
•
Test integrity of LEDs by pressing "lamp test" button on front panel.
¨ OK
Check integrity of
remote wiring
•
Internal temperature compensation network wiring. See instruction
JA5022-00 and Section VII of user's manual.
•
Temperature compensation remote probe. See instruction JA5022-00
and Section VII of user's manual.
¨ OK
¨ OK
Step (10-year repair)
Instructions
Results
Replace capacitors
•
See supplied Parts Data Package report or standard replacement parts
table for battery charger manufacturer's part number of optional dc
filtering electrolytic capacitors (C1/C2).
•
Order and replace capacitors
¨ OK