| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel supply device for work machine capable of efficiently using a filter. SOLUTION: In this fuel supply device comprising a fuel tank 1, an engine 10, and a suction pump 11 attached to the engine 10 and sucking the fuel in the fuel tank 1 into the engine 10, the pressure in a combined duct 9 is detected by a pressure sensor 12, the clogging of the filter 5 (6) used at that time is determined by a pressure determining means 13 on the basis of the lowering of the pressure detected by the pressure sensor 12, and a result of determination is displayed by a warning means 14, when the clogging of the filter 5 (6) is determined, to urge an operator to switch a manual selector valve 2 to use the unclogged filter 6 (5). When the clogged filter 5 (6) is cleaned or replaced, the flow of the fuel in a branched duct 3 (4) is stopped by a stop valve 7 (8). COPYRIGHT: (C)2004,JPO
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