| 摘要 |
PROBLEM TO BE SOLVED: To enable grease within a can to be rapidly warmed up and to be supplied smoothly to each sliding portion without delay even when the grease within the can is lowered extremely in temperature. SOLUTION: In order to supply warm water to an indoor heating apparatus 26 installed within a driver's cabin 8, a water jacket 23 to which water is delivered by a water pump 24 is provided in an engine 22 to warm water. Using the warm water, the grease within the grease can 10 is warmed up. A warming mechanism 30 of the grease can 10 is provided and besides by providing a flow channel switching valve 31 in a mid-flow of a warm water supply tube 25 for supplying the warm water from the water jacket 23 to the indoor heating apparatus 26, switching is possible between a state where the warm water flowing inside the warm water supplying tube 25 is supplied directly to the indoor heating apparatus 26 and a sate where the warm water is supplied to an inside of the warming mechanism 30. COPYRIGHT: (C)2006,JPO&NCIPI
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