1 JT4020 ISSUE NO. 09PL-08/11 For Replacement Copy Order P/N 053-470 This product is covered by one or more of the following patents: US B1 4,858,704; 4,953,638; 5,148,880; 5,242,026; 5,341,887; 5,490,569; 5,684,466; 5,713,423, 5,794,719; 5,880,680; 5,941,322; 6,085,852; 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; 6,776,246; 6,808,210; 6,827,158; RE37,450; RE37,923; RE37,975; RE38,418 AU 689,533; 706,544; 718,034, 755,862 CA 2,156,398 FR 674,093 DE 694 17 019; 695 29 634; 297 01 406 EP 0683845; 0674093; 0817901; 0846841 GB 2,209,239; 2,312,006; EP674,093; EP846,841 JP 3,458,247 Other U.S.
and foreign patents pending This manual contains information concerning the following models: JT4020 Directional Drilling System Copyright 1998, 2000, 2003, 2004, 2005, 2006, 2007, 2011 by The Charles Machine Works, Inc. , Ditch Witch, CMW, AutoCrowd, Modularmatic, Jet Trac, Roto Witch, Subsite, Fluid Miser, Perma-Soil, Power Pipe, Super Witch, Super Witch II, Pierce Arrow, The Underground, and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc. ID0135012