Ditch Witch 250R Manuale utente

250R/T
CMW®
Operator’s
Manual
053- 1189
Issue 1.0

250R/T Operator’s Manual Overview - 1
CMW
Overview
Chapter Contents
Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 2
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 3
• Bulleted Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
• Numbered Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
• “Continued” Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Overview - 2 250R/T Operator’s Manual
Serial Number Location
CMW
Serial Number Location
Record serial numbers and date of purchase in spaces provided. Unit serial number is located as shown.
Item
date of purchase:
receiver serial number:
transmitter serial number:
accessory model & serial number:
accessory model & serial number:
accessory model & serial number:
ss1129h.eps

250R/T Operator’s Manual Overview - 3
Intended Use
CMW
Intended Use
The system can be configured to locate pipe and cable or trace non-metallic pipe or conduit.
The 250R receiver is configured to operate in twin peak mode with one active frequency (33 kHz) as well
as radio, 50P or 60P and 50S or 60S.
The 250T transmitter places signals on target lines and is used with 250R units. It is configured to send 33
kHz frequency signals. It places a signal on the line through either direct connection, induction clamping, or
broadcast modes.
The unit is designed for operation in temperatures typically experienced in earth moving and construction
work environments. Use in any other way is considered contrary to the intended use. The 250 system
should be operated only by persons familiar with its particular characteristics and acquainted with the
relevant safety procedures. The system should be serviced only by Ditch Witch repair centers.
About This Manual
This manual contains information for the proper use of this equipment. Cross references such as “See
page 50” will direct you to detailed procedures.
Bulleted Lists
Bulleted lists provide helpful or important information or contain procedures that do not have to be
performed in a specific order.
Numbered Lists
Numbered lists contain illustration callouts or list steps that must be performed in order.
“Continued” Indicators
indicates that a procedure is continued on the next page.

Overview - 4 250R/T Operator’s Manual
CMW

250R/T Operator’sManual Foreword - 5
CMW
Foreword
This manual is an important part of your equipment. It provides safety information and operation
instructions to help you use and maintain your Ditch Witch equipment.
Read this manual before using your equipment. Keep it with the equipment at all times for future reference.
If you sell your equipment, be sure to give this manual to the new owner.
If you need a replacement copy, contact your Ditch Witch. If you need assistance in locating a dealer, visit
our website at www.ditchwitch.com or write to the following address:
The Charles Machine Works, Inc.
Attn: Marketing Department
PO Box 66
Perry, OK 73077-0066
USA
The descriptions and specifications in this manual are subject to change without notice. The Charles
Machine Works, Inc. reserves the right to improve equipment. Some product improvements may have
taken place after this manual was published. For the latest information on Ditch Witch equipment, see your
Ditch Witch dealer.
Thank you for buying and using Ditch Witch equipment.

Foreword - 6 250R/T Operator’s Manual
CMW
250R/T
Operator’s Manual
Issue number 1.0/OM-10/07
Part number 053-1189
Copyright 2007
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 Airrow, The Underground, and
The Underground Authority Worldwide are registered trademarks of The Charles Machine Works, Inc.
Zahn and InterChange are pending trademarks of The Charles Machine Works, Inc.

250R/T Operator’s Manual Contents - 7
CMW
Contents
Overview
machine serial number, information about the type of work this machine is designed
to perform, basic machine components, and how to use this manual
1
Foreword
part number, revision level, and publication date of this manual, and factory contact
information
5
Safety
machine safety alerts and emergency procedures 9
Controls
machine controls and how to use them 13
Locate
procedures for locating active, passive and beacon signals 21
Locating Concepts
basic information for locating active, passive and beacon signals 33
Service
service intervals and instructions for this machine 37
Specifications
machine specifications including weights, measurements and power rating 41
Support
the warranty policy for this machine, and procedures for obtaining warranty
consideration and training
45

Contents - 8 250R/T Operator’s Manual
CMW
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