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9. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY
The [Bold] numbers in the descriptions below correspond to the item numbers in the Model UC 24YC Parts List
and exploded assembly diagram.
9-1. Disassembly
Remove the four Tapping Screws (W/Flange) D3 x 20 [7], and separate Case (B) Ass'y [6] and Case (A) [2].
9-2. Reassembly
Reassembly can be accomplished by following the disassembly procedures in reverse; however, special attention
should be given to ensure that lamps, cord armor and charging terminals are properly installed in their prescribed
grooves.
9-3. Confirmation after Reassembly
(1) Confirm the following when the battery is fully charged.
• Confirm that the red pilot lamp on the charger lights up.
• When charging an EB 2430H battery, confirm that the red pilot lamp flashes at 1 second intervals approx. 60
minutes from commencing charging.
(2) Measure the insulation resistance and conduct a dielectric strength test.
• Insulation resistance: 10 MΩ or more between the plug blade of cord and the Name Plate or case fastening
• Dielectric strength test:
(a) Between the plug blade of cord and the charging terminal blade.
(b) Between the plug blade of cord and the Name Plate or fastening screws on the case.
Based on the voltage listed on the Name Plate, dielectric strength test should be conducted.
CAUTION: Without fail, insulation resistance must be measured between the plug blade of cord and the
Name Plate or fastening screws, and dielectric strength test must be conducted between the
plug blade of cord and the charging terminal blade or between the plug blade of cord and the
Name Plate or fastening screws on the case. Under no circumstances should testing be
conducted between both blades of the plug, or both blades of the charging terminal, which
may cause burn-out of the charger.
screws, with DC 500 V Megohm Tester.
Voltage on the name plate
120 V
230 V, 240 V
Test voltage
AC 1,240 V (1 minute)
AC 3,750 V (1 minute)
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