Ditch Witch 250RT User Manual

250R/T

Operator’s Manual

CMW

Issue 1.0

053- 1189

250R/T Operator’s Manual Overview - 1

Overview

Chapter Contents

Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 2

Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 3

• Bulleted Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

• Numbered Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

• “Continued” Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

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Overview - 2 250R/T Operator’s Manual

Serial Number Location

Record serial numbers and date of purchase in spaces provided. Unit serial number is located as shown.

ss1129h.eps

Item

date of purchase: receiver serial number: transmitter serial number: accessory model & serial number: accessory model & serial number: accessory model & serial number:

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250R/T Operator’s Manual Overview - 3

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 li nes and is used with 250R unit s. 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 det ailed 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.

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Overview - 4 250R/T Operator’s Manual

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250R/T Operator’sManual Foreword - 5

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 equipmen t 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 publishe d. For the latest information on Ditch Witch equipment, see your Ditch Witch dealer.

Thank you for buying and using Ditch Witch equipment.

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Foreword - 6 250R/T Operator’s Manual

250R/T

Operator’s Manual

Issue number 1.0/OM-10/07

Part number 053-1189

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.

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250R/T Operator’s Manual Contents - 7

Content s

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

Foreword

part number, revision level, and publication date of this manual, and factory contact information

Safety

machine safety alerts and emergency procedures

Controls

machine controls and how to use them

Locate

procedures for locating active, passive and beacon signals

Locating Concepts

basic information for locating active, passive and beacon signals

Service

service intervals and instructions for this machine

Specifications

machine specifications including weights, measurements and power rating

Support

the warranty policy for this machine, and procedures for obtaining warranty consideration and training

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Contents - 8 250R/T Operator’s Manual

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250R/T Operator’s Manual Safety - 9

Safety

Chapter Contents

Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Safety Alert Classifications . . . . . . . . . . . . . . . . . . 10

Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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Safety - 10 250R/T Operator’s Manual

Guidelines

• Read and follow all safety precautions.

• Do not operate equipment unless you have completed proper training and have r ead and understood

the operator’s manual.

• Before operation, ensure the equipment is in proper working order and is not damaged. Any

transmitter leads should be checked for damage.

Safety Alert Classifications

These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you, jobsite bystanders or your equipment. When you see these words and icons in the book or on the unit, carefully read and follow all instructions. YOUR SAFETY IS AT STAKE.

Watch for the three safety alert levels: DANGER, WARNING and CAUTION. Learn what each level means.

indicates an imminently hazardous situation which, if not avoided, will result in death or

serious injury.

indicates a potentially hazardous situation which, if not avoided, could result in death or

serious injury.

indicates a potentially hazardous situation which, if not avoided, may result in minor or

moderate injury.

Watch for two other words: NOTICE and IMPORTANT. NOTICE can keep you from doing something that might damage the unit or someone's property. It can also

alert you against unsafe practices.

IMPORTANT can help you do a better job or make your job easier in some way.

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250R/T Operator’s Manual Safety - 11

Safety Alerts

Electric shock. The connection leads may give off an electric shock when plugged into the

transmitter. Avoid touching the metal ends of clips when the transmitter is switched on.

NOTICE:

• Electric shock or equipment damage can result if transmitter is connected to live electrical conductors.

Observe all company and national safety procedures.

• Turn off transmitter when connecting or moving ground stake.

• Always comply with company and national safety requirements. Use correct equipment and working

methods. Use and maintain proper safety equipment.

Explosion possible. Serious injury or equipment damage could occur.

Follow directions carefully . NOTICE: Do not use equipment in areas where flammable gases may be present or near to

radio-controlled blasting operations.

Incorrect procedures could result in death, injury, or property damage.

Learn to use equipment correctly. NOTICE: Some buried utilities do not radiate a detectable signal . Always continue checking

during excavation and ensure compliance with HS(G)47.

IMPORTANT: Ditch Witch receivers and transmitters are calibrated to tolerances under strict environmental conditions. Under normal daily use, Ditch Witch equipment does not require an annual calibration. A daily functional check is recommended and any units which have been damaged or do not appear to perform to original factory specifications should be returned to the manufacturer or authorized repair center for calibration check or repair.

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Safety - 12 250R/T Operator’s Manual

Safety Alerts

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250R/T Operator’s Manual Controls - 13

Controls

Chapter Contents

Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

• Single-Key Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

• Double-Key Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

• Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

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Controls - 14 250R/T Operator’s Manual

Receiver

Single-Key Controls

1. Mode

2. ON/OFF

3. Up arrow

Item Description Notes

1. Mode To cycle through operating

frequencies, press.

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4. Down arrow

5. DEPTH

See “Mode” on page 35.

+ 34 hidden pages