Ditch-Witch-JT2720操作与维修零部件手册

1Ditch WitchJT2720ISSUE NO.09PL-05/12For Replacement Copy Order P/N 053-471This product is covered by one or more of the following patents:US4,953,638:5,148,880;5,242,026;5,341,887;5,490,569:5.,684,466,5,713,423,5,740,703;5,758,5535.794.719:5.880.680:5.941.322:6.085.852C1:6.109.371:6.179.065:6.216.803:6250.403:6.250.404:6,290,606:6,311,790:6,411,094;6,543,551;6,550,547:6,672,409:6,739,413:6,761,231;6,776,246:6,808.210:6,827,158:6848.506:6,871.712:6,896,077:7.000,710:7011.166:7.013.990:7.018.164:7,025,152:7,038.454:7,111,693:7,150,331:RE37.450:RE37,923:RE37,975:RE38.418AU689,533,706,544;718,034,755,862CA2.156.398:2,217,899FR674.093DE69417019:69529634:69728716:EP0927892:1466068GB2,312,006;2,418,553:EP674,093;EP817,901;EP846,841;EP927,892JP3.458.247Other U.S.and foreign patents pendingThis manual contains information concerning the following models.JT2720 Directional Drilling SystemCopyright 2004,2006,2007,2008,2012 by The Charles Machine Works,Inc.Ditch Witch.CMW.AutoCrowd.Jet Trac.Roto Witch.Subsite.Fluid Miser.PowerPipe,Super Witch,Pierce Arrow,Zahn,The Underground,and The Underground Authority Worldwide areregistered trademarks of The Charles Machine Works,Inc.