| 摘要 |
A Heating System is provided for heating the hydraulic fluid of a hydraulic unit used with a power source and having a reservoir for retaining hydraulic fluid. The heating system comprises a heating element located in the reservoir. A switch is included along with a power line for connecting the power source to the switch. An electrical line is connected to the switch and is connected to the power line when the switch is closed. A relay is connected to the electrical line. A return line is connected to the relay and to the power source and a heater line connected to the relay and to the heater.
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