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VALVE A 0543546 - Caterpillar



0543546 VALVE A Caterpillar parts VALVE
Rating:
41
Alternative (cross code) number:
CA0543546
054-3546
0543546
Caterpillar 0543546 VALVE A
Weight: 0.40 pounds 0 kg.

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Overview
When an internal problem is suspected to be present in the Power Inverter capacitance levels, the capacitance test for the power inverter must be executed.An internal problem in the Power Inverter Capacitance may be indicated by any of the following conditions:
A Power Inverter Control ECM activated EID for Power Inverter DC link over-voltage.Power Inverter Capacitance Test
Required Tools
Illustration 1 g02615483
Components of the 466-6258 Communication Adapter Gp are listed:
(1) Current version of Cat© Electronic Technician (Cat© ET) software
(2) 478-0235 Communication Adapter
(3) 457-6114 Cable As (Data Link Cable)
(4) 370-4617 Cable As (PC USB Cable)Note: A Communication Adapter and the latest version of Cat© ET are necessary for this procedure.
The Power Train Electric Drive System will contain hazardous voltage levels during machine operation and for a period of time after machine shutdown.Do not remove any covers that will expose energized electrical components while the engine is operating. Do not remove any covers that will expose the energized electrical components while the components remain energized following an engine shutdown.Do not perform any type of electrical maintenance on the orange hazardous voltage conductors or the power train components while the engine is operating.Do not perform any type of electrical maintenance on the orange hazardous voltage conductors or the power train components while the components remain energized following an engine shutdown.Always perform the safe shutdown and de-energizing procedure before performing electrical service on the Power Train Electric Drive System.Failure to follow these instructions could result in personal injury or death.
In order to avoid the build up of hazardous live voltages on the exposed surfaces, all grounding wires must be properly connected at all times during engine operation.Any disconnected grounding wires (including the grounding bond wires, the conductor shield wires, the power inverter grounding straps and the component housing grounding straps) must be properly reconnected before the engine is started.Failure to follow these instructions could result in personal injury or death.
Troubleshooting Procedure
Table 1
Troubleshooting Test Steps Values Results
1. Safe Shutdown Procedure
This procedure must be performed before service is performed in an area that is in the vicinity of Power Train hazardous voltage components and conductors to ensure that the DC power bus voltage has discharged properly.
Reference: Refer to the Troubleshooting, "Electrical Maintenance Guidelines" section of this manual. Perform the "Safe Shutdown Procedure for Electric Drive Wheel Loaders" before proceeding with this procedure. The Safe Shutdown Procedure for Electric Drive Wheel Loaders has been performed. DC voltage has been discharged to less than 50.0 VDC. OK: The Safe Shutdown Procedure for Electric Drive Wheel Loaders has been performed. The Monitoring System Display and the Hazardous Voltage Indicator indicate that DC voltage is less than 50.0 VDC. The hazardous voltage has been properly discharged. The power train system for the machine can now be serviced.
NOT OK: The DC voltage is greater than 50.0 VDC on the Monitoring System Display or Hazardous Voltage Indicator.
REPAIR: Wait for at least 10 minutes. Repeat the “Safe Shutdown Procedure for Electric Drive Wheel Loaders”. If the voltage is greater than 50.0


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