PRC-BC4-MS 5-1
Chapter 5: Maintenance
This chapter provides a test procedure for verifying the PRC-BC4 functionality
and a troubleshooting procedure for isolating a fault.
5.1 Functional Test
Use the following test procedure to verify that the PRC-BC4 is working
properly. If the PRC-BC4 fails one of the checks, refer to Table 5-1 on page 5-4.
5.1.1 Required Materials
Use the following materials to perform the PRC-BC4 functional tests:
• DC Power supply (6 to 20 VDC output at 5A minimum)
• Electrolytic capacitor (30,000 to 150,000 µF 25 VDC)
• Resistor (6.8ohms 10W)
• Resistor (2.2 ohms 5W)
• Resistor (82 ohms 3W)
• DC VOM (high impedance input)
• DC Ammeter (3A scale minimum)
• Clip jumpers
• Heat gun or blow torch
5.1.2 Test Procedure
The following checks use the electrolytic capacitor to simulate a BB-LA6
battery.
Charging
Circuit Check
1. Set up the PRC-BC4 using an AC input power source. Connect a
C991610 charging cable to charging station
BATT 1.
2. Use the DC power supply to charge the electrolytic capacitor between
6 and 13 VDC.
3. Use the clip jumpers to connect one of the C991610 charging cables to
the capacitor as if it were a BB-LA6 (refer to Figure 5-1 on page 5-2).
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