Ditch-Witch-JT2020操作与维修零部件手册

1Ditch WitchJT2020ISSUE NO.18PL-07/11For Replacement Copy Order P/N 053-098This product is covered by one or more of the following patents:Us4,953,638:5,148.880:5,242026,5,341,887:5,490,569:5,684,466;5,713.423,5,740,7035,758,553;5,794,719:5,880,680;5,941,322:6,085,852C1;6,109,371;6,179,065;6,216,803:6,250,403:6,250,404;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;6,808,210:6,827,158:6,848,506;6,871,712;6,896,077:7,000,710:7011,166;7,013,990;7,018,1647.025,152:7,038,454;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 folowing models:JT2020 Directional Drilling SystemCopyright 2004,2005,2006,2007,2008,2011 by The Charles Machine Works,Inc.Ditch Witch,CMW.AutoCrowd.Jet Trac,Roto Witch.Subsite,Fluid Miser.PowerPipe,Super Witch,Pierce Arrow,The Underground,The Underground Authority Worldwide,and Zahn areregistered trademarks of The Charles Machine Works,Inc.ID0135015