Ditch Witch RT80 Operator's Manual
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Ditch Witch RT80 Operator's Manual

Ditch Witch RT80 Operator's Manual

Ride-on trencher
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RT80
Operator's
Manual
®
053-1343
Issue 1.2
CMW

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Summary of Contents for Ditch Witch RT80

  • Page 1 RT80 Operator’s Manual ® 053-1343 Issue 1.2...

  • Page 2: Table Of Contents

    RT80 Operator’s Manual Overview - 1 Overview Chapter Contents Serial Number Location ..... . 2 Intended Use ....... 3 Unit Components .

  • Page 3: Serial Number Location

    RT80 Operator’s Manual Overview - 2 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. RT80 (1) and engine (2) serial numbers are located as shown. Date of manufacture Date of purchase RT80 serial number...

  • Page 4: Intended Use

    RT80 Operator’s Manual Overview - 3 Intended Use Intended Use The RT80 is a riding trencher designed to install buried service lines of various sizes using a variety of Ditch Witch attachments. Attachment Max. width/diameter Max. depth H813 trencher 12 in (305 mm) 84 in (2.1 m)

  • Page 5: Unit Components

    RT80 Operator’s Manual Overview - 4 Unit Components Unit Components 1. Rollover Protective Structure (ROPS) 5. Center console 2. Rear console 6. Engine compartment 3. Right console 7. Backfill blade 4. Operator’s station Operator Orientation 1. Front of unit 3. Rear of unit 2.

  • Page 6: About This Manual

    RT80 Operator’s Manual Overview - 5 About This Manual About This Manual This manual contains information for the proper use of this machine. See Operation Overview for basic operating procedures. Cross references such as “See page 50” will direct you to detailed procedures.
  • Page 7 RT80 Operator’s Manual Overview - 6 About This Manual...
  • Page 8 RT80 Operator’s Manual Contents - 7 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 Foreword part number, revision level, and publication date of this manual, and factory contact...
  • Page 9 RT80 Operator’s Manual Contents - 8 Systems and Equipment chain, teeth, sprockets, and optional equipment Complete the Job procedures for backfilling and restoring the jobsite and rinsing and storing equipment Service service intervals and instructions for this machine including lubrication, replacement...

  • Page 10: Foreword

    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 dealer. 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.
  • Page 11 Copyright 2009 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.

  • Page 12: Safety

    RT80 Operator’s Manual Safety - 11 Safety Chapter Contents Guidelines ....... . 12 Safety Alert Classifications .

  • Page 13: Guidelines

    Use equipment carefully. Stop operation and investigate anything that does not look or feel right. • Do not operate unit where flammable gas may be present. • Contact your Ditch Witch dealer if you have any question about operation, maintenance, or equipment use.

  • Page 14: Safety Alert Classifications

    RT80 Operator’s Manual Safety - 13 Safety Alert Classifications 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 machine, carefully read and follow all instructions.

  • Page 15: Safety Alerts

    RT80 Operator’s Manual Safety - 14 Safety Alerts Safety Alerts Moving digging teeth will kill you or cut off arm or leg. Stay away. Turning shaft will kill you or crush arm or leg. Stay away. Electric shock. Contacting electric lines will cause death or serious injury.
  • Page 16 RT80 Operator’s Manual Safety - 15 Safety Alerts Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. Fall possible. Riders can fall from machine and be injured or killed. Only operator is allowed on machine.
  • Page 17 RT80 Operator’s Manual Safety - 16 Safety Alerts Moving traffic - hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs. Hot pressurized cooling system fluid could cause serious burns. Allow to cool before servicing.

  • Page 18: Emergency Procedures

    RT80 Operator’s Manual Safety - 17 Emergency Procedures Emergency Procedures Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. Before operating any equipment, review emergency procedures and check that all safety precautions have been taken.

  • Page 19: If An Electric Line Is Damaged

    RT80 Operator’s Manual Safety - 18 Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are on tractor, DO NOT MOVE. Remain on tractor and take the following actions. The order and degree of action will depend upon the situation.

  • Page 20: If A Gas Line Is Damaged

    RT80 Operator’s Manual Safety - 19 Emergency Procedures If a Gas Line is Damaged Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark. Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully.

  • Page 21: If A Fiber Optic Cable Is Damaged

    RT80 Operator’s Manual Safety - 20 Emergency Procedures If a Fiber Optic Cable is Damaged Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur. If Machine Catches on Fire Perform emergency shutdown procedure and then take the following actions. The order and degree of action will depend on the situation.

  • Page 22: Controls

    RT80 Operator’s Manual Controls - 21 Controls Chapter Contents Center Console ......22 •...

  • Page 23: Center Console

    RT80 Operator’s Manual Controls - 22 Center Console Center Console Gauges 1. Voltmeter 4. Engine oil pressure gauge 2. Tachometer/hourmeter 5. Fuel gauge 3. Engine temperature gauge Item Description Notes 1. Voltmeter Displays system voltage. Should show 12-14V with engine...
  • Page 24 RT80 Operator’s Manual Controls - 23 Center Console Item Description Notes 2. Tachometer/Hourmeter Displays engine speed and Use engine operating times to records engine operating time schedule service. in hours. 3. Engine temperature Displays engine temperature. Normal temperature is 190°-230° F gauge (90°-110°...

  • Page 25: Indicators

    RT80 Operator’s Manual Controls - 24 Center Console Indicators 1. Operator presence indicator 7. Low speed indicator 2. Attachment speed/direction indicator 8. High speed indicator 3. Ground drive indicator 9. Shift alert indicator 4. Cruise control indicator 10. Cold start wait indicator 5.
  • Page 26 RT80 Operator’s Manual Controls - 25 Center Console Item Description Notes 2. Attachment speed/ Lights when attachment IMPORTANT: This indicator is part of direction indicator speed/direction control is in the start interlock system. All three neutral. start interlock indicators must be on to start engine.
  • Page 27 RT80 Operator’s Manual Controls - 26 Center Console Item Description Notes 6. Hydraulic filter Lights when hydraulic filter is When indicator lights, change filter. restriction indicator restricted. May also light in cold weather. Run tractor at low engine speed until hydraulic fluid warms.
  • Page 28 RT80 Operator’s Manual Controls - 27 Center Console Item Description Notes 10. Cold start wait indicator Lights when intake air pre- See page 61 for cold start heater is operating. instructions. Wait until lamp goes off before starting engine. 11. Console temperature...

  • Page 29: Controls

    RT80 Operator’s Manual Controls - 28 Center Console Controls 1. Reel carrier control* 6. Hydraulic ground drive motor speed control 2. Horn 7. Transmission gearbox speed control 3. Drilling attachment control* 8. Auxiliary outlet 4. Ignition switch 5. Ground drive foot control...
  • Page 30 RT80 Operator’s Manual Controls - 29 Center Console Item Description Notes 2. Horn To sound horn, press. 3. Drilling attachment To rotate clockwise, press IMPORTANT: Always rotate control top. clockwise during drilling and backreaming. Rotate To rotate counterclockwise, counterclockwise only to dislodge a press bottom.
  • Page 31 RT80 Operator’s Manual Controls - 30 Center Console Item Description Notes 6. Hydraulic ground drive To shift into high, press and IMPORTANT: This control will shift motor speed control hold top. High speed indicator ground drive speed with tractor in will light.

  • Page 32: Right Console

    RT80 Operator’s Manual Controls - 31 Right Console Right Console 1. Work light switch* 5. Rear steer control* 2. Backfill blade control 6. Throttle 3. Differential lock switch* 7. Rear steer indicator* 4. Backfill blade angle control *optional Item Description Notes 1.
  • Page 33 RT80 Operator’s Manual Controls - 32 Right Console Item Description Notes 2. Backfill blade control To lower blade, move forward. To put blade in float, move fully forward. To raise blade, move backward. To tilt right side of blade down, move right.
  • Page 34 RT80 Operator’s Manual Controls - 33 Right Console Item Description Notes 6. Throttle To increase engine speed, push. To decrease engine speed, pull. 7. Rear steer indicator Displays position of rear wheels.

  • Page 35: Seat Deck

    RT80 Operator’s Manual Controls - 34 Seat Deck Seat Deck 1. Ground drive hand control 2. Attachment speed/direction control Item Description Notes 1. Ground drive hand To go forward, push. Lift the lever release on the control control lever to unlock the control lever.
  • Page 36 RT80 Operator’s Manual Controls - 35 Seat Deck Item Description Notes 2. Attachment speed/ To rotate attachment forward Lift the lever release on the control direction control push. lever to unlock the control lever To rotate attachment backward, pull. To go faster in either direction, move farther from center.

  • Page 37: Seat

    RT80 Operator’s Manual Controls - 36 Seat Seat 1. Seat belt 3. Seat pivot control 2. Seat height adjustment 4. Seat slide control Item Description Notes 1. Seat belt To fasten, insert latch into buckle. Adjust until seat belt is low and tight.
  • Page 38 RT80 Operator’s Manual Controls - 37 Seat Item Description Notes 3. Seat pivot control To pivot seat, lift. Seat pivots only to the right. Seat locks at various positions between 0° To lock seat in place, release. and 90°. IMPORTANT: Drive tractor with operator’s seat facing front.

  • Page 39: Rear Console

    RT80 Operator’s Manual Controls - 38 Rear Console Rear Console Optional Controls 1. Cruise control selector 3. Trench Depth Meter 2. Cruise control rpm control Item Description Notes 1. Cruise control selector To turn on, press right. Turn on cruise control only when: To turn off, press left.
  • Page 40 RT80 Operator’s Manual Controls - 39 Rear Console Item Description Notes 3. Trench Depth Meter Measures and records trench For more information, see page 107. depth and length. c00ic201h.eps...

  • Page 41: Trencher Controls

    RT80 Operator’s Manual Controls - 40 Rear Console Trencher Controls 1. Trencher slide control* 2. Boom lift control *optional Item Description Notes 1. Trencher slide control To slide trencher right, push. To slide trencher left, pull. c00ic198h.eps 2. Boom lift control To lower, push.

  • Page 42: Saw Controls

    RT80 Operator’s Manual Controls - 41 Rear Console Saw Controls 1. Trench cleaner control* 3. Saw lift control 2. Saw slide control *optional Item Description Notes 1. Trench cleaner control To lower trench cleaner, push. Trench cleaner is optional. To raise trench cleaner, pull.

  • Page 43: Backhoe Console

    RT80 Operator’s Manual Controls - 42 Backhoe Console Backhoe Console 1. Boom/Swing control 7. Remote throttle 2. Remote backfill blade control 8. Right stabilizer control 3. Work light switch* 9. Swing lock control 4. Remote ground drive control 10. Left stabilizer control 5.
  • Page 44 RT80 Operator’s Manual Controls - 43 Backhoe Console Item Description Notes 2. Remote backfill blade To lower, press top. control To raise, press bottom. c00ic210h.eps 3. Work light switch To turn on, press right. To turn off, press left. 4. Remote ground drive...
  • Page 45 RT80 Operator’s Manual Controls - 44 Backhoe Console Item Description Notes 6. Stow lock control To lock: Use this control to lock boom in the up position. • Raise boom fully. NOTICE: Always lock boom during • Pull stow lock handle.
  • Page 46 RT80 Operator’s Manual Controls - 45 Backhoe Console Item Description Notes 10. Left stabilizer control To lower, press left. To raise, press right. c00ic211h.eps 11. Remote engine stop Stops engine immediately. IMPORTANT: switch • Except in an emergency, move throttle to idle before using stop switch.

  • Page 47: Engine

    RT80 Operator’s Manual Controls - 46 Engine Engine 1. Air filter restriction indicator 2. Battery disconnect switch* *optional Item Description Notes 1. Air filter restriction When yellow band reaches For more information, see “Change indicator red line, change air filter.
  • Page 48 RT80 Operator’s Manual Controls - 47 Engine Item Description Notes 2. Battery disconnect To disconnect, move switch switch so that indicator points left. To connect, move switch so that indicator points right.
  • Page 49 RT80 Operator’s Manual Controls - 48 Engine...

  • Page 50: Operation Overview

    RT80 Operator’s Manual Operation Overview - 49 Operation Overview Chapter Contents Planning........50 Trenching.

  • Page 51: Planning

    RT80 Operator’s Manual Operation Overview - 50 Planning Planning 1. Gather information about jobsite. See page 54. 2. Inspect jobsite. See page 55. 3. Classify jobsite. See page 56. 4. Select chain and teeth to match your soil type, if necessary. See page 99.

  • Page 52: Sawing

    RT80 Operator’s Manual Operation Overview - 51 Sawing Sawing 1. Start unit. See page 60. 2. Position tractor and controls. See page 78. 3. Begin sawing. See page 81. 4. Complete the installation. See page 75. 5. Backfill the trench. See page 104.

  • Page 53: Digging With Backhoe

    RT80 Operator’s Manual Operation Overview - 52 Digging with Backhoe Digging with Backhoe 1. Start unit. See page 60. 2. Set stabilizers and unstow backhoe. See page 84. 3. Excavate. See page 85. 4. Stow backhoe properly. See page 86.

  • Page 54: Prepare

    RT80 Operator’s Manual Prepare - 53 Prepare Chapter Contents Gather Information ......54 • Review Job Plan ......... . .54 •...

  • Page 55: Gather Information

    RT80 Operator’s Manual Prepare - 54 Gather Information Gather Information A successful job begins before you dig. The first step in planning is reviewing information already available about the job and jobsite. Review Job Plan Review blueprints or other plans. Check for information about existing or planned structures, elevations, or proposed work that may be taking place at the same time.

  • Page 56: Inspect Site

    RT80 Operator’s Manual Prepare - 55 Inspect Site Inspect Site Inspect jobsite before transporting equipment. Check for the following: • changes in elevation such as hills or other open trenches • obstacles such as buildings, railroad crossings, or streams •...

  • Page 57: Classify Jobsite

    RT80 Operator’s Manual Prepare - 56 Classify Jobsite Classify Jobsite Inspect Jobsite • Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations. • Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and Canada) to have underground utilities located before digging.

  • Page 58: Apply Precautions

    RT80 Operator’s Manual Prepare - 57 Classify Jobsite Apply Precautions Once classified, precautions appropriate for jobsite must be taken. Electric Jobsite Precautions Use one or both of these methods. • Expose line by careful hand digging or soft excavation. •...

  • Page 59: Check Supplies And Prepare Equipment

    RT80 Operator’s Manual Prepare - 58 Check Supplies and Prepare Equipment Check Supplies and Prepare Equipment Supplies • fuel • keys • personal protective equipment, such as hard hat and safety glasses Fluid Levels • fuel • hydraulic fluid •...

  • Page 60: Drive

    RT80 Operator’s Manual Drive - 59 Drive Chapter Contents Start Unit ....... . . 60 Drive .
  • Page 61 RT80 Operator’s Manual Drive - 60 Start Unit Start Unit Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow instructions for new engine break-in. Runaway possible. Machine could run over you or others. Learn how to use all controls. Start and operate only from operator’s position.
  • Page 62 RT80 Operator’s Manual Drive - 61 Start Unit 1. Fasten and adjust seatbelt. 2. Check that ground drive hand control, foot pedal, and attachment speed/direction control are in neutral. IMPORTANT: The start interlock safety system requires three conditions to start the unit: •...
  • Page 63 RT80 Operator’s Manual Drive - 62 Drive Drive EMERGENCY SHUTDOWN: Turn ignition switch to STOP. 1. Turn on lights as needed. 2. Raise backfill blade and all attachments. 3. Switch transmission speed to high. 4. Adjust throttle. 5. Move ground drive hand control to forward or reverse, or press upper or lower part of foot pedal.

  • Page 64: Transport

    RT80 Operator’s Manual Transport - 63 Transport Chapter Contents Lift ........64 •...

  • Page 65: Lift

    RT80 Operator’s Manual Transport - 64 Lift Lift Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.
  • Page 66 RT80 Operator’s Manual Transport - 65 Lift H813 Trencher Use crane capable of supporting the equipment's size and weight. See page 143 or measure and weigh equipment before lifting. NOTICE: Do not attempt to lift tractor with attachments installed.
  • Page 67 RT80 Operator’s Manual Transport - 66 Lift H540 Saw Use crane capable of supporting the equipment's size and weight. See page 145 or measure and weigh equipment before lifting. NOTICE: Do not attempt to lift tractor with attachments installed.

  • Page 68: Tie Down

    RT80 Operator’s Manual Transport - 67 Tie Down Tie Down Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. Points Tiedown points are identified by tiedown decals. Securing to trailer at other points is unsafe and can damage machinery.
  • Page 69 RT80 Operator’s Manual Transport - 68 Tie Down H540 Saw Lower saw to lowest position and tie down at points indicated. Make sure chains are tight before transporting.

  • Page 70: Haul

    RT80 Operator’s Manual Transport - 69 Haul Haul Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. NOTICE: • Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded machine can slip or cause trailer sway.
  • Page 71 RT80 Operator’s Manual Transport - 70 Haul Load Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. NOTICE: • Attach trailer to tow vehicle before loading or unloading.
  • Page 72 RT80 Operator’s Manual Transport - 71 Haul Unload Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. NOTICE: • Attach trailer to tow vehicle before loading or unloading.

  • Page 73: Tow

    RT80 Operator’s Manual Transport - 72 Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. Under normal conditions, tractor should not be towed. If tractor becomes disabled and towing is necessary: • Do not tow for more than 200 yd (180 m).

  • Page 74: Trench

    RT80 Operator’s Manual Trench - 73 Trench Chapter Contents Setup ........74...
  • Page 75 NOTICE: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch dealer about counterweighting for your equipment. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods.
  • Page 76 RT80 Operator’s Manual Trench - 75 Operation Operation Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. NOTICE: Cutting, drilling, or working materials such as concrete, sand, or rock containing quartz may result in exposure to silica dust.
  • Page 77 RT80 Operator’s Manual Trench - 76 Operation 1. If necessary, adjust throttle to low idle. 2. Move attachment speed/direction control to desired speed. DIGGING CHAIN WILL MOVE. 3. Increase engine speed to full throttle. 4. Slowly lower digging boom to depth.

  • Page 78: Saw

    RT80 Operator’s Manual Saw - 77 Chapter Contents Setup ........78 •...

  • Page 79: Setup

    NOTICE: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch dealer about counterweighting for your equipment. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods.

  • Page 80: Before First Use And After Replacing Bits

    RT80 Operator’s Manual Saw - 79 Setup Before First Use and After Replacing Bits Flying objects may cause injury. Wear safety glasses. NOTICE: Unless otherwise instructed, all service should be performed with tractor off. IMPORTANT: • Carbide bits are recommended for cutting abrasive material, such as sandstone or frozen sands or gravels.
  • Page 81 RT55 Operator’s Manual Saw - 80 Setup 7. Lower saw to just above ground. 8. Check that saw is in line with planned trench and that tires are pointing straight ahead.

  • Page 82: Operation

    Learn to use equipment correctly. NOTICE: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch dealer about counterweighting for your equipment. Flying objects thrown by machine may strike people. Wear hard hat and safety glasses.
  • Page 83 RT55 Operator’s Manual Saw - 82 Operation 1. Adjust throttle to low idle. 2. Lower backfill blade to ground. 3. Move attachment speed/direction control to desired speed. SAW WILL TURN. 4. Increase engine speed to full throttle. 5. Slowly lower saw to trench depth. 6.

  • Page 84: Backhoe

    RT80 Operator’s Manual Backhoe - 83 Backhoe Chapter Contents Setup ........84 Operation .
  • Page 85 RT80 Operator’s Manual Backhoe - 84 Setup Setup 1. Move attachment speed/direction control to neutral position. 2. Move ground drive hand control and foot pedal to neutral position. 3. Switch transmission speed to low. 4. Switch ground drive hydraulic motor speed to low.
  • Page 86 RT80 Operator’s Manual Backhoe - 85 Operation Operation Use boom/swing control and bucket/dipper control to dig hole or trench. IMPORTANT: For more information about backhoe controls, see page 42. • Keep dipper and boom at right angles as much as possible for maximum power.
  • Page 87 RT80 Operator’s Manual Backhoe - 86 Stowing Stowing NOTICE: Before returning to tractor operator station, raise stabilizers, return remote throttle to low idle, and stow and lock boom. 1. When hole or trench is complete, lift boom while keeping dipper pointed at ground.
  • Page 88 RT80 Operator’s Manual Backhoe - 87 6. Raise stabilizers. 7. Return remote throttle to low idle.
  • Page 89 RT80 Operator’s Manual Backhoe - 88...

  • Page 90: Drill

    RT80 Operator’s Manual Drill - 89 Drill Chapter Contents Drilling Attachment ......91 Prepare Jobsite and Equipment ....91 •...
  • Page 91 • If swivel malfuntions, material being installed can rotate. • To align drill rod when starting a bore, use a guide. Guides are available from your Ditch Witch dealership. • Keep all persons away from material being installed.

  • Page 92: Drilling Attachment

    RT80 Operator’s Manual Drill - 91 Prepare Jobsite and Equipment Prepare Jobsite and Equipment Approach Trench (1) 1. Mark path where you intend to drill. 2. Dig an approach trench (1) along the intended bore path. IMPORTANT: The approach trench should be at least: •...

  • Page 93: Drill Rod And Equipment

    RT80 Operator’s Manual Drill - 92 Prepare Jobsite and Equipment Drill Rod and Equipment 1. Assemble at least 20’ (6 m), but not more than 30’ (9 m), of drill rod. NOTICE: More than 10-15’ (3-4.5 m) of drill rod out of the trench increases the tendency of drill rod to bend.

  • Page 94: Drill

    RT80 Operator’s Manual Drill - 93 Drill Drill IMPORTANT: For location and description of drilling controls see page 29. EMERGENCY SHUTDOWN: Release all controls and turn ignition switch to OFF position. 1. Pull selector valve upward to select drill mode (if applicable).

  • Page 95: Using Drill String Guide

    Keep everybody at least 10’ (3 m) away from drill rod during operation. Do not straddle trench or drill rod while drilling. • To align drill rod when starting a bore, use a guide. Guides are available from your Ditch Witch dealership. Use drill string guide to align drill string as it enters the soil.

  • Page 96: Add Rod

    RT80 Operator’s Manual Drill - 95 Add Rod Add Rod IMPORTANT: It is recommended that a helper be used to add drill rod. 1. Use control to stop drilling attachment. 2. Use ground drive controls to back up unit 6” (150 mm) to loosen drill rod in ground.

  • Page 97: Disassemble Joints

    RT80 Operator’s Manual Drill - 96 Disassemble Joints Disassemble Joints 1. Press tab through hole in female side of joint (1) using special tool or screwdriver. 2. Pull rods apart (2).

  • Page 98: Systems And Equipment

    RT80 Tractor ........

  • Page 99: Cruise Control

    RT80 Operator’s Manual Systems and Equipment - 98 Cruise Control Cruise Control Automatic cruise control is an optional feature that allows the unit to maintain a preset engine speed as digging conditions vary. When the unit encounters difficult soil conditions, the ground drive speed will decrease to reduce engine load.

  • Page 100: Trench Depth Meter

    For correct tightening procedure, see page 118. • Use the tooth pattern most appropriate for your digging conditions. If you move to a different soil type, contact your Ditch Witch dealer for information about the most effective chain type and tooth pattern. Chain Types Chain type...

  • Page 101: Chain Selection

    RT80 Operator’s Manual Systems and Equipment - 100 Chain, Teeth, and Sprockets Chain Selection These charts are meant as a guideline only. No one chain type works well in all conditions. See your Ditch Witch dealer for soil conditions and chain recommendations for your area. Ask for the latest Chain, Teeth, and Sprockets Parts Catalog.

  • Page 102: Optional Equipment

    RT80 Operator’s Manual Systems and Equipment - 101 Optional Equipment Optional Equipment See your Ditch Witch dealer for more information about the following optional equipment. RT80 Tractor Equipment Description dual batteries provide more cranking power for cold starting backup alarm...

  • Page 103: Counterweights

    RT80 Operator’s Manual Systems and Equipment - 102 Counterweights Counterweights Attachments or counterweights are installed to make front and rear loads balance when all attachments are raised. Use the chart below to determine how much counterweight is needed with your machine configuration.

  • Page 104: Complete The Job

    RT80 Operator’s Manual Complete the Job - 103 Complete the Job Chapter Contents Restore Jobsite ......104 •...
  • Page 105 RT80 Operator’s Manual Complete the Job - 104 Restore Jobsite Restore Jobsite After product is installed, return spoils to the trench with backfill blade. Backfilling 1. Position unit at end of trench, several feet from spoils. Aim tractor at outer edge of spoils.

  • Page 106: Service

    RT80 Operator’s Manual Service - 105 Service Chapter Contents Service Precautions ..... . . 106 • Welding Precaution ........106 •...

  • Page 107: Service Precautions

    RT80 Operator’s Manual Service - 106 Service Precautions Service Precautions Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. NOTICES: • Unless otherwise instructed, all service should be performed with engine off. • Refer to engine manufacturer’s manual for engine maintenance instructions.

  • Page 108: Lubrication Overview

    RT80 Operator’s Manual Service - 107 Lubrication Overview Lubrication Overview 1000 h 500 h 250 h 100 h 50 h 10 h t26om025h.eps...

  • Page 109: Recommended Lubricants/Service Key

    For more information on engine lubrication and maintenance, see your Deutz engine manual. NOTICE: • Use only genuine Ditch Witch parts, filters, approved lubricants, TJC, and approved coolants to maintain warranty. • Use the “Service Record” on page 157 to record all required service to your machine.

  • Page 110: Engine Oil Temperature Chart

    Biodiesel blends up to 5% (B5) are approved for use in this unit. The fuel used must meet the specifications for diesel fuel shown above. Extra attention is needed when using biodiesel, especially when operating in cold weather or storing fuel. Contact your Ditch Witch dealer or the engine manufacturer for more information.

  • Page 111: 10 Hour

    RT80 Operator’s Manual Service - 110 10 Hour 10 Hour Location Task Notes TRACTOR Check engine oil level Check hydraulic fluid Check radiator/oil cooler Check air filter Check hoses Check hydraulic hoses Check tire pressure and lugnuts 30-40 psi (2.1-2.8 bar) or 55 psi (3.8 bar)
  • Page 112 RT80 Operator’s Manual Service - 111 10 Hour Tractor Check Engine Oil Level While engine oil is warm, check oil level at dipstick (1) every 10 hours. Add DEO at fill (2) as necessary to keep oil level at highest line on dipstick.
  • Page 113 RT80 Operator’s Manual Service - 112 10 Hour Check Air Filter Check air filter restriction indicator every 10 hours. Change air filter elements when air filter restriction indicator reaches the red zone. NOTICE: Only open the air filter canister when air restriction is indicated.
  • Page 114 RT80 Operator’s Manual Service - 113 10 Hour Check Hydraulic Hoses Fluid or air pressure could pierce skin and cause injury or death. Stay away. NOTICE: Escaping pressurized fluid can cause injury or pierce skin and poison. • Before disconnecting a hydraulic line, turn engine off and operate all controls to relieve pressure.
  • Page 115 RT80 Operator’s Manual Service - 114 10 Hour Check Radiator/Oil Cooler Check radiator/oil cooler for dirt and debris. Clean with compressed air or spray wash as needed. Be careful not to damage fins with high-pressure air or water. Clean more often if operating in dusty or grassy conditions.
  • Page 116 RT80 Operator’s Manual Service - 115 10 Hour Trencher Lube Trencher Tail Roller Wipe zerks clean and lube every 10 hours with EPG. Lube roller zerks on both sides of boom. Lube Trencher Pivot and Headshaft Wipe 8 zerks clean and lube every 10 hours with EPG.
  • Page 117 RT80 Operator’s Manual Service - 116 10 Hour Lube Trencher Pivot Stub Wipe two zerks (one on each side) clean and lube every 10 hours with EPG. Lube Trencher Auger Bearings and Shaft Wipe zerks clean and lube every 10 hours with EPG.
  • Page 118 (271 N•m). Check Digging Chain Check teeth (1) for wear every 10 hours. Replace worn teeth, using Ditch Witch replacement parts and maintaining original tooth pattern. Check chain every 10 hours. Replace worn or broken chains. If sidebars (2) are bent or loose on chain pins (3), chain spacers should be used to join sidebars.
  • Page 119 RT80 Operator’s Manual Service - 118 10 Hour Check Digging Chain Tension Check digging chain tension every 10 hours. With boom horizontal, measure distance from bottom of boom to chain. When properly adjusted, distance should be 1.5-2.0” (40-50 mm). Fluid pressure could pierce skin and cause injury or death.

  • Page 120: 50 Hour

    RT80 Operator’s Manual Service - 119 50 Hour 50 Hour Location Task Notes TRACTOR Change hydraulic oil filter (initial) Check brake fluid (initial) Check belt tension 27-30 ft•lb (36-40 N•m) Check nose counterweight bolts 350 ft•lb (475 N•m) TRENCHER Check chain guide for wear...
  • Page 121 RT80 Operator’s Manual Service - 120 50 Hour Check Belt Tension Check belt tension every 50 hours. See engine manual for tension specifications. If belt is loose, loosen alternator bolts (1) and adjust alternator. Retighten bolts. Check Nose Counterweight Bolts Check tightness of nose weight bolts every 50 hours.
  • Page 122 RT80 Operator’s Manual Service - 121 50 Hour Lubricate Saw Gearbox Lube saw gearbox with 25 pumps of MPG every 50 hours.

  • Page 123: 250 Hour

    RT80 Operator’s Manual Service - 122 100 Hours 100 Hours Check Brake Fluid Check brake fluid every 100 hours. Remove floor cover to access master cylinder. Check brake fluid more frequently if working in dusty conditions. Refill with PTF fluid. (See “Recommended Lubricants/Service Key”...
  • Page 124 RT80 Operator’s Manual Service - 123 250 Hour Lube Axle Spindle Pins Lube axle spindle pins every 250 hours with 3-4 shots of EPG. Lube Planetary Wheel Ends Check oil level in planetary wheel ends every 250 hours. Add MPL as needed.
  • Page 125 RT80 Operator’s Manual Service - 124 250 Hour Change Transmission Gearbox Oil, Rear Differential Oil (Initial) Change transmission gearbox oil and rear differential oil after first 250 hours of operation and every 1000 hours thereafter. To change: 1. Remove drain plugs (2).

  • Page 126: 500 Hour

    RT80 Operator’s Manual Service - 125 500 Hour 500 Hour Location Task Notes TRACTOR Change engine oil and filter Change hydraulic fluid and filter Change fuel filters Tractor Change Engine Oil and Filter Change engine oil and filter every 500 hours.
  • Page 127 RT80 Operator’s Manual Service - 126 500 Hour Change Fuel Filters Change primary (2) and filter element (1) every 500 hours.

  • Page 128: 1000 Hour

    RT80 Operator’s Manual Service - 127 1000 Hour 1000 Hour Location Task Notes TRACTOR Change planetary wheel end oil Change differential oil Change transmission gearbox oil Change Planetary Wheel End Oil (All Steerable Axles) Change wheel end oil every 1000 hours.
  • Page 129 RT80 Operator’s Manual Service - 128 1000 Hour Change Differential Oil, Front Steering Axle Change differential oil every 1000 hours. To change: 1. Remove drain plug (2). 2. Drain fluid and replace plug. 3. Fill with MPL and limited slip additive at fill (1).
  • Page 130 RT80 Operator’s Manual Service - 129 2000 Hour 2000 Hour Location Task Notes TRACTOR Change engine coolant DEAC Change Engine Coolant Drain cooling system at drain (3) every two years or 2000 hours. Add DEAC at fill (1) according to instructions below until fluid level is visible in sight glass (2).

  • Page 131: As Needed

    RT80 Operator’s Manual Service - 130 As Needed As Needed Location Task Notes TRACTOR Check hydraulic reservoir breather cap TRENCHER Replace digging chain and teeth BACKHOE Replace backhoe pins, bushings, and bucket teeth Tractor Check Hydraulic Reservoir Breather Check hydraulic reservoir breather cap and wipe away any dirt or debris as needed.
  • Page 132 RT80 Operator’s Manual Service - 131 As Needed Change Intake Air Filter Change air filter when red band is visible on air filter service indicator. To change: 1. Remove air filter cover and remove primary (1) and safety (2) elements.
  • Page 133 RT80 Operator’s Manual Service - 132 As Needed Trencher Replace Digging Chain Visually check digging chains for wear on rollers and sidebars (2). Check pins (3) and bushing wear by measuring distance between chain pins and comparing it with a new chain. Also check digging teeth (1).
  • Page 134 RT80 Operator’s Manual Service - 133 As Needed 8. Loop cable through links nearest connector pin. t12om090h.eps Fluid pressure could pierce skin and cause injury or death. Stay away. NOTICE: Service digging boom grease cylinder only while standing on opposite side of boom.
  • Page 135 RT80 Operator’s Manual Service - 134 As Needed To install chain: 1. Lay chain on ground with teeth down and pointed toward unit. 2. Fasten and adjust seatbelt. 3. Start tractor. See page 62 for start-up procedures. 4. Disengage parking brake and verify parking brake indicator is off.
  • Page 136 RT80 Operator’s Manual Service - 135 Backhoe Replace Pins and Bushings Replace pins (1) and bushings (2) when worn or damaged.
  • Page 137 RT80 Operator’s Manual Service - 136...

  • Page 138: Specifications

    RT80 Operator’s Manual Specifications - 137 RT80 Tractor Specifications RT80 Tractor Dimensions (with 31 x 15.50-15 tire) U.S. Metric Angle of approach 20° 20° Height 95 in 2.4 m Nose to rear mount length 114 in 2.9 m Length - transport 128 in 3.3 m...
  • Page 139 1.9 m Tread 58 in 1.5 m General Ditch Witch model RT55 tractor, 4-wheel drive, rigid frame, hydrostatic ground drive through rubber tires, 4-wheel steering, hydrostatic attachment drive, riding unit Operation (with 31 x 15.50-15 tire) U.S. Metric Forward speeds Low gearbox/low motor 2.16 mph...
  • Page 140 RT80 Operator’s Manual Specifications - 139 RT80 Tractor Operation (with 35 x 19-16.1 tire) U.S. Metric Forward speeds Low gearbox/low motor 2.40 mph 3.86 km/h Low gearbox/high motor 3.80 mph 6.11 km/h High gearbox/low motor 6.80 mph 10.94 km/h High gearbox/high motor 10.50 mph...
  • Page 141 RT80 Operator’s Manual Specifications - 140 RT80 Tractor Backfill Blade (with 35 x 19-16.1 tire) U.S. Metric Blade width 72 in 1.8 m Blade height 14 in 355 mm Lift height above ground 19 in 480 mm Blade drop below ground...
  • Page 142 RT80 Operator’s Manual Specifications - 141 RT80 Tractor Power Train Ground drive transmission: hydrostatic Differentials: planetary front and rear with optional rear steering Parking brake: manual lever drum brake Tires: 31 x 15.50-15 8-ply bar lug; inflate to 40 psi (276 kPa) maximum.
  • Page 143 RT80 Operator’s Manual Specifications - 142 RT80 Tractor Battery Group 78U, SAE res. cap 110 min., SAE cold crank @ 0° F (-18° C), 800 amp Auxiliary power outlet - 12V, 10A Vibration Level Vibration transmitted to the operator’s hand and whole body during normal operation does not exceed 2.5 m/s...
  • Page 144 RT80 Operator’s Manual Specifications - 143 H813 Trencher H813 Trencher Dimensions U.S. Metric Angle of departure 25° 25° Trench depth, maximum 84 in 2.1 m Trench width, minimum to maximum 6-12 in 125-305 mm Boom travel down 55° 55° Boom travel up 50°...
  • Page 145 RT80 Operator’s Manual Specifications - 144 H813 Trencher Soil discharge reach short auger 17 in 430 mm long auger 30 in 760 mm Attachment weight** 2422 lb 1099 kg Operation U.S. Metric Headshaft speed @ 2600 rpm high speed motor...
  • Page 146 RT80 Operator’s Manual Specifications - 145 H540 Saw H540 Saw Operation U.S. Metric Headshaft speed @ 2600 rpm high speed motor 294 rpm 294 rpm standard speed motor 235 rpm 235 rpm low speed motor 185 rpm 185 rpm Digging chain speed with 12-tooth, 2” (50-mm) pitch headshaft sprocket...
  • Page 147 RT80 Operator’s Manual Specifications - 146 H540 Saw Dimensions U.S. Metric Trench depth 26” 660 mm Angle of departure 20° 20° Trench width 5” 127 mm, 6” 152 mm 7” 178 mm Transport height - attachment 81” Height - wheel on ground 55.5”...
  • Page 148 Quantity of cutting teeth on wheel (5”, 6”, 7”) 28, 32, 40 28, 32, 40 Counterweight required. Contact your Ditch Witch dealer for counterweight requirements. Power Train Cutting bit types: Rotating, self-sharpening conical bit with spring retainer. Carbide cap or carbide insert available.
  • Page 149 RT80 Operator’s Manual Specifications - 148 A523 Backhoe A523 Backhoe Dimensions U.S. Metric Transport height 108.5 in 2.76 m Ground clearance 31.6 in 800 mm Backhoe length, stowed 57.2 in 1.5 m Digging depth, max. 94.5 in 2.4 m Digging depth, 2’ (0.6 m) flat bottom 93.2 in...
  • Page 150 RT80 Operator’s Manual Specifications - 149 A523 Backhoe Leveling angle 11° 11° General U.S. Metric Bucket Width 12-18 in 305-460 mm Capacity 1.7-2.6 ft 0.05-0.07 m Backhoe weight with 12” (305-mm) bucket 2150 lb 975 kg Lift capacity, boom over end and swing arc, SAE* @ 48”...
  • Page 151 RT80 Operator’s Manual Specifications - 150...
  • Page 152 RT80 Operator’s Manual Specifications - 151...
  • Page 153 RT80 Operator’s Manual Specifications - 152...

  • Page 154: Support

    Return damaged parts to dealer for inspection and warranty consideration if in warranty time frame. Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer. Use of another manufacturer's parts may void warranty consideration.
  • Page 155 Subject to the limitation and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use (Exception: 2 years for all SK5 attachments).

  • Page 158: Service Record

    RT80 Operator’s Manual Service Record - 157 Service Record Service Performed Date Hours...
  • Page 159 RT80 Operator’s Manual Service Record - 158 Service Performed Date Hours...

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