Exide Technologies Section 93.30 User Manual

Page 67

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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

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