4 1820 - FOREWORD 4 1820 - FOREWORD p Operator's Manual Operator's Manual 1820 1820 Issue Number 5.3/OP-5/09 Issue Number 5.3/OP-5/09 Part Number 054-485 Part Number 054-485 Copyright 1994, 1995, 2003, 2004, 2009 by The Charles Machine Works, Inc., Perry, Oklahoma, 73077-0066. Copyright 1994, 1995, 2003, 2004, 2009 by The Charles Machine Works, Inc., Perry, Oklahoma, 73077-0066. , Ditch Witch, CMW, AutoCrowd, Modularmatic, Jet Trac, Roto Witch, Subsite, Fluid Miser, Perma- Soil, Power Pipe, Super Witch, Super Witch II, Pierce Airrow, The Underground, and The Underground Authority Worldwide are registered trademarks of 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 Airrow, The Underground, and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc.