| 摘要 |
Oil supply nozzle(14) is provided at the edge of the oil supply pipe(15). A measuring device(18,19) measures the oil flow rate of the pipe. An unit mode set switch is provided on the nozzle(14) to detect whether the oil supply device is on the oil supply state or the nonsupply state by the oil supply state of the measuring device. A detecting device judges the oil suply device is on the pre-set mode before the oil supply or on an integer supply mode on the oil supply when the mode set switch is operated. The pre-set oil supply is operated when the set switch is on the pre-set mode, and the minimum integer oil supply is operated when the switch is set on the integer mode.
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