RT45 Operator’s Manual Overview - 2 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. RT45 (2) and engine (1) serial numbers are located as shown. Date of manufacture Date of purchase RT45 serial number...
RT45 Operator’s Manual Overview - 3 Intended Use Intended Use The RT45 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 H313 trencher 12 in (305 mm) 63 in (1.6 m)
RT45 Operator’s Manual Overview - 5 Operator Orientation Operator Orientation 1. Front of unit 3. Rear of unit 2. Right of unit 4. Left of unit Right and left sides of machine are determined by facing front of unit while seated at the controls.
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.
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Copyright 2009, 2010, 2012, 2015 by The Charles Machine Works, Inc. , Ditch Witch and Roto Witch are registered trademarks of The Charles Machine Works, Inc. This product is covered by one or more of the following patents: U.S. D640290, D640291, D640292, and...
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RT45 Operator’s Manual Contents - 9 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...
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RT45 Operator’s Manual Contents - 10 Drill procedures for drilling Microtrench procedures for microtrenching 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...
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. • Complete the equipment checklist located at www.ditchwitch.com/resources/safety.
RT45 Operator’s Manual Safety - 13 Emergency Procedures Emergency Procedures Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. 274-050 Before operating any equipment, review emergency procedures and check that all safety precautions have been taken.
RT45 Operator’s Manual Safety - 14 Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are on drilling unit or bonded equipment, DO NOT MOVE. Remain on drilling machine and take the following actions. The order and degree of action will depend on the situation.
RT45 Operator’s Manual Safety - 15 Emergency Procedures If a Gas Line is Damaged Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark. 275-419 (2P) Explosion possible. Serious injury or equipment damage could occur.
RT45 Operator’s Manual Safety - 16 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. Contact utility company. 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.
RT45 Operator’s Manual Safety - 17 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.
RT45 Operator’s Manual Safety - 18 Machine Safety Alerts Machine Safety Alerts Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 Hot parts may cause burns. Do not touch until cool or wear gloves.
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RT45 Operator’s Manual Safety - 19 Machine Safety Alerts Runaway possible. Start from operator’s position only. 275-070 Fall possible. Riders can fall from machine and be injured or killed. Only operator is allowed on machine. 273-487 Tiedown location. See Transport chapter for more information.
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RT45 Operator’s Manual Safety - 20 Attachment Safety Alerts Attachment Safety Alerts H313 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information.
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RT45 Operator’s Manual Safety - 21 Attachment Safety Alerts H314 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information. 274-442 Moving digging teeth will cause death or serious...
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RT45 Operator’s Manual Safety - 22 Attachment Safety Alerts H331 Lift point. See Transport chapter for more information. 274-442...
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RT45 Operator’s Manual Safety - 23 Attachment Safety Alerts H350 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information. 274-442...
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RT45 Operator’s Manual Safety - 24 Attachment Safety Alerts H342 Moving parts could cut off hand. Keep hands away. 275-184 Flying objects thrown by machine may strike people. Wear safety glasses and hard hat. 275-193 Moving digging teeth will cause serious injury or death.
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RT45 Operator’s Manual Safety - 25 Attachment Safety Alerts MT12 Moving parts could cut off hand. Keep hands away. 275-184 Tiedown location. See Transport chapter for more information. 274-318 Lift point. See Transport chapter for more information. 274-442 Flying objects thrown by machine may strike people.
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RT45 Operator’s Manual Safety - 26 Attachment Safety Alerts Moving digging teeth will cause serious injury or death. Stay away. 275-443 Hot parts may cause burns. Do not touch until cool or wear gloves. 275-355 Fall possible. Riders can fall from machine and be injured or killed.
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RT45 Operator’s Manual Controls - 31 Center Console Item Description Notes 2. Engine oil temperature Lights and engine shuts down If light remains on: indicator if engine oil temperature rises above 275° F (135° C). Light • Turn engine off and let it cool.
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RT45 Operator’s Manual Controls - 32 Center Console Item Description Notes 6. Attachment drive Lights when attachment drive/ Part of the start interlock system. To neutral indicator direction control is in neutral. start engine: • operator must be in seat, •...
RT45 Operator’s Manual Controls - 33 Center Console Controls 1. Auxiliary outlet 4. Ignition switch 2. Drilling attachment control* 5. Ground drive foot control 3. Horn *optional Item Description Notes 1. Auxiliary outlet Provides power for other Power output is 12V, 5A...
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RT45 Operator’s Manual Controls - 34 Center Console Item Description Notes 2. Drilling attachment To rotate clockwise, press NOTICE: Always rotate clockwise control top. during drilling and backreaming. Rotate counterclockwise only to To rotate counterclockwise, dislodge a dry bore bit or reamer that press bottom.
RT45 Operator’s Manual Controls - 35 Right Fender Right Fender Tractor Controls 1. Ground drive speed/direction control 4. Backfill blade tilt control* 2. Rear steer indicator* 5. Rear steer control* 3. Backfill blade control 6. Throttle *optional...
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RT45 Operator’s Manual Controls - 36 Right Fender Item Description Notes 1. Ground drive speed/ To go forward, push. Control does not automatically return direction control to neutral position when released. To go backward, pull. To go faster in either direction, move farther from center.
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RT45 Operator’s Manual Controls - 37 Right Fender Item Description Notes 4. Backfill blade tilt To tilt right side of blade control down, push. To tilt left side of blade down, pull. c00ic253h.eps 5. Rear steer control To turn rear wheels right,...
RT45 Operator’s Manual Controls - 38 Right Fender Trencher Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Trencher slide control* 3. Backfill blade tilt/trencher slide selector* 2.
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RT45 Operator’s Manual Controls - 39 Right Fender Item Description Notes 2. Boom lift control To lower, push. To raise, pull. 3. Backfill blade tilt/ To control backfill blade tilt, trencher slide selector push. To control trencher slide, pull. c00ic263h.eps...
RT45 Operator’s Manual Controls - 40 Right Fender Plow Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Plow swing control 3. Backfill blade tilt/plow swing selector 2.
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RT45 Operator’s Manual Controls - 41 Right Fender Item Description Notes 2. Plow lift control To raise, pull. To lower, push. c00ic204h.eps 3. Backfill blade tilt/plow To control backfill blade tilt, Use when optional 6-way backfill swing selector push. blade is installed.
RT45 Operator’s Manual Controls - 42 Right Fender Combo Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Trencher/Plow lift control 2. Trencher/plow select control Item...
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RT45 Operator’s Manual Controls - 43 Right Fender Item Description Notes 2. Trencher/plow select To select plow, push. control To select trencher, pull.
RT45 Operator’s Manual Controls - 44 Right Fender Saw Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Saw swing control 3. Backfill blade tilt/saw swing selector 2.
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RT45 Operator’s Manual Controls - 45 Right Fender Item Description Notes 2. Saw lift control To lower, push. To raise, pull. 3. Backfill blade tilt/saw To control backfill blade tilt, swing selector push. To control saw swing, pull. c00ic264h.eps...
RT45 Operator’s Manual Controls - 46 Right Fender Microtrencher Controls Tractor 1. Traverse (slide) control 3. Lift control 2. Level control 4. Backfill blade tilt / Traverse selector Item Description Notes 1. Traverse (slide) control To slide microtrencher right, push.
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RT45 Operator’s Manual Controls - 47 Right Fender Item Description Notes 2. Level control To lower rear of microtrencher, push. To raise rear of microtrencher, pull. 3. Lift control To lower, push. To raise, pull. 4. Backfill blade tilt /...
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RT45 Operator’s Manual Controls - 49 Right Fender Item Description Notes 3. Bubble level Displays left-to-right Use manual tilt adjustment and microtrencher angle. bubble level together to adjust microtrencher to match jobsite conditions. See “Adjust Tilt” on page 117. 4. Level indicator...
RT45 Operator’s Manual Controls - 50 Left Fender Left Fender 1. Parking brake 3. Attachment speed/direction control 2. Work light switch* * optional Item Description Notes 1. Parking brake To set, pull. To release, push. c00ic268h.eps...
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RT45 Operator’s Manual Controls - 51 Left Fender Item Description Notes 2. Work light switch To turn on, press top. To turn off, press bottom. 3. Attachment speed/ To rotate attachment forward Control does not return to neutral direction control or to start plow vibrator box, when released.
RT45 Operator’s Manual Controls - 52 Seat Seat 1. Seat belt 2. Seat slide control Item Description Notes 1. Seat belt To fasten, insert latch into buckle. Adjust until seat belt is low and tight. To release, lift top of buckle.
RT45 Operator’s Manual Controls - 53 Backhoe Console Backhoe Console t14om073h.eps 1. Remote throttle 7. Seat latch 2. Boom/Swing control 8. Neutral switch (standard) or Remote ground drive control (optional) 3. Left stabilizer control 9. Mechanical stow lock control 4. Right stabilizer control 10.
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RT45 Operator’s Manual Controls - 54 Backhoe Console Item Description Notes 1. Remote throttle To increase engine speed, push. To decrease engine speed, pull. 2. Boom/Swing control To swing boom left, move left. Control can perform more than one action at a time. By “feathering” the...
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RT45 Operator’s Manual Controls - 55 Backhoe Console Item Description Notes 6. Remote engine stop Stops engine immediately. IMPORTANT: switch • Except in an emergency, move throttle to idle before using stop switch. • For normal engine shutdown, use ignition switch.
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RT45 Operator’s Manual Controls - 56 Backhoe Console Item Description Notes 10. Work light switch To turn on, press right. To turn off, press left.
RT45 Operator’s Manual Controls - 57 Engine Engine 1. Air filter restriction indicator 2. Battery disconnect switch Item Description Notes 1. Air filter restriction When restriction indicator For more information, See “Check Air indicator reaches the red zone, change Filter Restriction Indicator” on air filter.
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RT45 Operator’s Manual Controls - 58 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.
RT45 Operator’s Manual Operation Overview - 60 Planning Planning 1. Gather information about jobsite. See page 64. 2. Inspect jobsite. See page 65. 3. Classify jobsite. See page 66. 4. Select chain and teeth to match your soil type, if necessary. See page 126.
RT45 Operator’s Manual Operation Overview - 61 Sawing Sawing 1. Start unit. See page 70. 2. Position tractor and controls. See page 94. 3. Begin sawing. See page 97. 4. Complete the installation. See page 97. 5. Backfill the trench. See page 132.
RT45 Operator’s Manual Operation Overview - 62 Digging with Backhoe Digging with Backhoe 1. Start unit. See page 70. 2. Set stabilizers and unstow backhoe. See page 100. 3. Excavate. See page 101. 4. Stow backhoe properly. See page 102.
RT45 Operator’s Manual Prepare - 64 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.
RT45 Operator’s Manual Prepare - 65 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 •...
RT45 Operator’s Manual Prepare - 66 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.
RT45 Operator’s Manual Prepare - 67 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. •...
RT45 Operator’s Manual Prepare - 68 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 •...
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RT45 Operator’s Manual Drive - 70 Start Unit Start Unit Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow instructions for new engine break-in. Read operator’s manual. Know how to use all controls. Your safety is at stake.
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RT45 Operator’s Manual Drive - 71 Start Unit 1. Fasten and adjust seat belt. 2. Check that ground drive control and attachment speed/direction control are in neutral. 3. Move throttle to idle. 4. Verify that parking brake is engaged. 5. Turn ignition switch to the run position (key on, engine off). Cold start wait indicator will light (if equipped).
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RT45 Operator’s Manual Drive - 72 Drive Drive Moving traffic – hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs. To help avoid injury: • Drive carefully in congested areas. Know machine’s clearance and turning radius.
RT45 Operator’s Manual Transport - 74 Lift Lift Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. Read operator’s manual. Know how to use all controls. Your safety is at stake.
RT45 Operator’s Manual Transport - 75 Lift Procedure Tractor This machine is not configured for lifting. If the machine must be lifted, load machine into a container or onto a platform appropriate for lifting. See “Specifications” on page 175 for size and weight of machine.
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RT45 Operator’s Manual Transport - 76 Lift H350 Combo Use crane capable of supporting the equipment's size and weight. See page 184 or measure and weigh equipment before lifting. NOTICE: Do not lift tractor with installed attachment. t28om089h.eps t28om090h.eps...
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RT45 Operator’s Manual Transport - 77 Lift Reel Carrier Use crane capable of supporting the equipment's size and weight. See page 184 or measure and weigh equipment before lifting. NOTICE: • Do not lift reel carrier with reel installed. •...
RT45 Operator’s Manual Transport - 78 Tie Down Tie Down Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 Points Tiedown points are identified by tiedown decals. Securing to trailer at other points is unsafe and can damage machinery.
RT45 Operator’s Manual Transport - 79 Haul Haul Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: • Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded machine can slip or cause trailer sway.
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RT45 Operator’s Manual Transport - 80 Haul Load Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Attach trailer to tow vehicle before loading or unloading.
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RT45 Operator’s Manual Transport - 81 Haul Unload Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Attach trailer to tow vehicle before loading or unloading.
RT45 Operator’s Manual Transport - 82 Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 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).
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To help avoid injury: 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.
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RT45 Operator’s Manual Trench - 85 Operation Operation Use breathing protection when exposed to silica dust. 270-4952 Electric shock will cause death or serious injury. Stay away. 274-049 To help avoid injury: Expose lines by hand before digging. Cutting high voltage cable can cause electrocution.
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RT45 Operator’s Manual Trench - 86 Operation 1. Lower backfill blade to reduce shock when trenching begins. 2. If necessary, adjust throttle to low idle. 3. Move attachment speed/direction control to desired speed. DIGGING CHAIN WILL MOVE. NOTICE: Always start trenching with attachment speed set at low. If soil conditions permit optimum digging at higher speeds, select high.
273-475 To help avoid injury: 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. NOTICE: Do not operate vibrator unless plow is in the ground.
RT45 Operator’s Manual Plow - 89 Setup Position Tractor IMPORTANT: If material must be at a constant depth, dig starting and target trenches. 1. Fasten and adjust seat belt. 2. Start tractor. See page 70 for start-up procedures. 3. Drive to starting point. Move in line with planned trench. See page 72 for operating procedures.
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RT45 Operator’s Manual Plow - 90 Setup To Feed Product 1. Remove cable guide. 2. Feed cable through tube from top to bottom. 3. Replace cable guide and tighten fasteners. 4. Secure cable.
RT45 Operator’s Manual Plow - 91 Operation Operation Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. Electric shock will cause death or serious injury. Stay away. 274-049 To help avoid injury: Expose lines by hand before digging. Cutting high voltage cable can cause electrocution Read operator’s manual.
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RT45 Operator’s Manual Plow - 92 Operation Start Plowing 1. Fasten and adjust seat belt. 2. Start tractor. 3. Adjust throttle to low idle. 4. Check that ground drive control is in neutral. 5. Lower reel carrier to lowest position possible, if equipped.
To help avoid injury: 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.
RT45 Operator’s Manual Saw - 95 Setup Before First Use and After Replacing Bits Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: Unless otherwise instructed, all service should be performed with tractor off.
RT45 Operator’s Manual Saw - 96 Operation Operation Use breathing protection when exposed to silica dust. 270-4952 Electric shock will cause death or serious injury. Stay away. 274-049 To help avoid injury: Expose lines by hand before digging. Cutting high voltage cable can cause electrocution.
RT45 Operator’s Manual Saw - 97 Operation Start Sawing IMPORTANT: • Before operating saw, check bits for free rotation. Tap bits lightly with a hammer and turn by hand. If bits are stuck, remove and clean packed soil from bit block.
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RT45 Operator’s Manual Backhoe - 100 Setup Setup 1. Move attachment speed/direction control to neutral position. 2. Move ground drive control to neutral position. 3. Engage parking brake if not on level ground. 4. Lower rear attachment to 6” (150 mm) above ground.
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RT45 Operator’s Manual Backhoe - 101 Operation Operation NOTICE: Hydraulic functions will be disconnected if operator leaves the backhoe seat. Use boom/swing control and bucket/dipper control to dig hole or trench. • Keep dipper and boom at right angles as much as possible for maximum power.
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RT45 Operator’s Manual Backhoe - 102 Operation Stow IMPORTANT: 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.
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RT45 Operator’s Manual Backhoe - 103 4. Raise stabilizers. 5. Return remote throttle to low idle. 6. Rotate seat into stowed position and engage seat lock (shown).
® • Use a guide to align drill rod when starting a bore. Guides are available from your Ditch Witch dealership. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment.
RT45 Operator’s Manual Drill - 107 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: •...
RT45 Operator’s Manual Drill - 108 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.
RT45 Operator’s Manual Drill - 109 Drill Drill EMERGENCY SHUTDOWN: Release drilling control and turn ignition switch to STOP. 1. Start tractor’s engine and begin clockwise (forward) rotation. 2. Slowly advance tractor while maintaining clockwise rotation. NOTICE: • Drilling too quickly causes bit to drift off course and may bend drill rod. After bore path is established, speed may be slightly increased.
Use drill string guide to align drill string as it enters the soil. When using drill string guide, follow these guidelines: • Use only approved Ditch Witch drill string guide (p/n 179-737). • Stand only on the left side of the approach trench.
RT45 Operator’s Manual Drill - 111 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.
RT45 Operator’s Manual Drill - 112 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).
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.
RT45 Operator’s Manual Microtrenching - 115 Setup Before First Use and After Replacing Bits Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: Perform all service with tractor off and parking brake set, unless otherwise instructed.
RT45 Operator’s Manual Microtrenching - 116 Setup Normal Use 1. Fasten and adjust seat belt. 2. Start tractor. See page 70 for start-up procedures. 3. Raise microtrencher and drive to starting point. Move in line with planned trench. See page 72 for correct driving procedures.
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RT45 Operator’s Manual Microtrenching - 117 Setup Adjust Tilt IMPORTANT: Microtrenching requires good contact between the microtrencher frame and the surface being cut. Use lift control, level control, and manual tilt to adjust microtrencher to match jobsite conditions. 1. Lower microtrencher and turn off tractor.
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RT45 Operator’s Manual Microtrenching - 118 Setup Prepare Spoils Removal Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: Do not operate without blade cover and chutes or chute plates installed.
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RT45 Operator’s Manual Microtrenching - 119 Setup Position Alignment Guide 1. Mark intended trench path with paint. 2. Attach chain to backfill blade. 3. Adjust backfill blade until chain is in line with microtrencher blade. 4. Monitor chain periodically while trenching to ensure chain follows paint line during operation.
273-475 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.
RT45 Operator’s Manual Microtrenching - 121 Operation IMPORTANT: • Before operating microtrencher, check bits for free rotation. Tap bits lightly and turn by hand. If bits are stuck, remove and clean packed soil from bit block. • Work slowly and carefully.
RT45 Operator’s Manual Microtrenching - 122 Operation 6. Raise backfill blade. 7. Release parking brake. 8. Use ground drive control to set trenching speed. NOTICE: • Do not attempt to trench a radius smaller than 40’ (12.2 m). Serious damage to microtrencher and/or blade may result.
RT45 Operator’s Manual Microtrenching - 123 Operation Using a Trench Cleaner Use the correct trench cleaner for your blade. Two trench cleaners are available: one for blades 1” (25 mm) or less and one for blades wider than 1” (25 mm).
RT45 Operator’s Manual Systems and Equipment - 126 Chain, Teeth, and Sprockets Chain, Teeth, and Sprockets Chain and Tooth Maintenance • Always replace sprockets at the same time you replace the digging chain. Sprockets and chain are designed to work together. Replacing one without the other will cause premature wear of the new part.
RT45 Operator’s Manual Systems and Equipment - 127 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.
12” (305 mm), 18” (457 mm), and 24” (610 mm) reel carrier designed to fit your Ditch Witch equipment and speed cable installation stabilize the plow for more constant depth bullet allow a larger cavity for the material being installed...
RT45 Operator’s Manual Systems and Equipment - 130 Counterweighting Counterweighting Attachment Counterweight required H313 trencher one wheel weight per each 26” front tire + 200 lb (91 kg) TBS in each front tire two wheel weights per each 29” front tire + 200 lb (91 kg) TBS in each front tire...
RT45 Operator’s Manual Complete the Job - 131 Complete the Job Chapter Contents Restore Jobsite ......132 •...
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RT45 Operator’s Manual Complete the Job - 132 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.
RT45 Operator’s Manual Service - 134 Service Precautions Service Precautions Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: • Perform all service with engine off unless otherwise instructed. •...
Check condition Filter Change, replace, adjust, service or test Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. Service intervals listed are for minimum requirements. In extreme conditions, service machine more frequently. ® Use only genuine Ditch Witch parts, filters, approved lubricants, TJC, and approved coolants to maintain warranty.
Biodiesel blends up to 5% (B%) 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.
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RT45 Operator’s Manual Service - 139 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.
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RT45 Operator’s Manual Service - 140 10 Hour Check Hydraulic Hoses Fluid or air pressure could pierce skin and cause injury or death. Stay away. To help avoid injury: • Before disconnecting a hydraulic line, turn engine off and operate all controls to relieve pressure.
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RT45 Operator’s Manual Service - 141 10 Hour Check Tires Inflatable Tires Check tire pressure every 10 hours. Use water- rinsable air gauge if tire ballast is used. Tire option Maximum pressure 26 x 12.00-12 4-ply bar lug 20 psi (1.4 bar) 29 x 12.50-15 4-ply bar lug...
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RT45 Operator’s Manual Service - 142 10 Hour Check Air Filter Restriction Indicator 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.
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RT45 Operator’s Manual Service - 143 10 Hour Trencher Lube Trencher Tail Roller Remove plug, wipe zerk clean and lube every 10 hours with MPG. Lube Trencher Pivot Wipe three zerks clean and lube every 10 hours with MPG. •...
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RT45 Operator’s Manual Service - 144 10 Hour Lube Trencher Auger Bearings and Sleeve Wipe four zerks clean and lube every 10 hours with MPG every 10 hours. Check Trencher Mounting Bolts Check bolts every 10 hours. Tighten to 200 ft•lb...
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10 Hour 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.
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RT45 Operator’s Manual Service - 146 10 Hour Roller Boom with Adjusting Screw With boom horizontal, measure distance from bottom of boom to chain (3). When properly adjusted, distance should be 1.5-2” (40-50 mm). Adjust tension by tightening or loosening adjustment screw (1) and jam nut (2).
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RT45 Operator’s Manual Service - 147 10 Hour Plow Clean Feed Tube Clean feed tube every 10 hours. Oil if necessary. Check Plow Arm Pins and Bushings Check plow arm pins and bushings every 10 hours. Replace bushings at first sign of wear.
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RT45 Operator’s Manual Service - 148 10 Hour Check Plow Vibrator Oil Level Hot parts may cause burns. Do not touch until cool or wear gloves. 275-355 (2-P), 273-423 (2-P) Check plow vibrator oil level every 10 hours. With vibrator horizontal, oil should be halfway up sight...
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RT45 Operator’s Manual Service - 149 10 Hour Clean Saw Clean saw every 10 hours. Wash bolts and mounting blocks with high-pressure water. Check Bits Check bits every 10 hours. Clean and check bits for free rotation. If bits are stuck, remove and clean packed soil from retaining ring.
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RT45 Operator’s Manual Service - 150 10 Hour Microtrencher Inspect Slide Plate Inspect side plate for wear every 10 hours. Replace as needed. Inspect Spoils Deflectors If not using a vacuum system for spoils removal, inspect spoils deflectors inside microtrencher frame every 10 hours.
RT45 Operator’s Manual Service - 151 100’ (30.5 m) 100’ (30.5 m) Inspect Microtrencher Blade and Bits Remove blade cover and inspect blade and bits for wear every 100’ (30.5 m), or when performance declines. Hot parts may cause burns. Do not touch until cool.
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RT45 Operator’s Manual Service - 152 100’ (30.5 m) To replace bits: 1. Drive out roll pin and remove old bit. 2. Install new bit into holder and drive in new roll pin. Wear Bars / Hard-Surface Material Use gauge (shown, p/n 301-1507) to check thickness of wear bars/hard-surface material on blade.
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RT45 Operator’s Manual Service - 157 500 Hour Change Primary Fuel Filter Change primary fuel filter every 500 hours. Change Hydraulic Filter Change hydraulic filter every 500 hours. Check Differential Oil Level Check oil level at fill plug every 500 hours. Add...
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RT45 Operator’s Manual Service - 158 500 Hour Check Gearbox Oil Level Check oil level at check plug (2) every 500 hours. Add MPL at fill (1) as needed. Lube Cross and Bearings Lube zerks with 2-3 shots of MPG every 500 hours.
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RT45 Operator’s Manual Service - 159 500 Hour Plow Change Plow Vibrator Oil Change plow vibrator oil every 500 hours. To change: Hot parts may cause burns. Do not touch until cool. To help avoid injury: Do not drain oil from plow vibrator when hot.
RT45 Operator’s Manual Service - 162 As Needed As Needed Location Task Notes TRACTOR Adjust parking brake Check battery Charge battery Inspect seat belt TRENCHER Replace digging chain and teeth PLOW Replace sod cutter and blade Replace plow blade pins and bushings...
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RT45 Operator’s Manual Service - 163 As Needed Check Battery Check battery as needed. Keep battery clean and terminals free of corrosion. To clean: 1. Turn battery disconnect switch, if equipped, to the off position. 2. Ensure that no ignition sources are near batteries.
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RT45 Operator’s Manual Service - 164 As Needed Charge Battery Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. To help avoid injury: • Use a single 12V maximum source for charging. Do not connect to rapid chargers or dual batteries.
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RT45 Operator’s Manual Service - 165 As Needed Charging Procedure (Engine Off) 1. Park service vehicle close to disabled equipment but do not allow vehicles to touch. Engage parking brake in both vehicles. 2. Turn the ignition switch to the OFF position in both vehicles, and turn off all electrical loads. Disconnect the machine controller.
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RT45 Operator’s Manual Service - 166 As Needed Inspect Seat Belt Check seat belt and mounting hardware as needed. Inspect the webbing, buckle and latch, retractor, and mounting hardware. Buckle and Latch Check that the buckle and latch (1) are not broken or corroded.
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RT45 Operator’s Manual Service - 167 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).
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RT45 Operator’s Manual Service - 168 As Needed 8. Loop cable through links nearest connector pin. Fluid pressure could pierce skin and cause injury or death. Stay away. To help avoid injury: • Service digging boom grease cylinder only while standing on opposite side of boom.
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RT45 Operator’s Manual Service - 169 As Needed To install chain: 1. Lay chain on ground with teeth down and pointed toward unit. Loop cable through end links. 2. Fasten and adjust seatbelt. 3. Start tractor. See page 70 for start-up procedures.
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RT45 Operator’s Manual Service - 170 As Needed Plow Replace Sod Cutter and Blade Replace worn sod cutter and plow blade as needed. Replace Plow Blade Pins and Bushings Check plow blade pins and bushings for wear and replace as needed.
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RT45 Operator’s Manual Service - 171 As Needed Backhoe Replace Pins and Bushings Replace pins (1) and bushings (2) when worn or damaged.
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RT45 Operator’s Manual Service - 172 As Needed Microtrencher Hot parts may cause burns. Do not touch until cool. 273-423 To help avoid injury: Do not touch hot blade and bits. Change Blade 1. Start tractor, position microtrencher slightly above ground, then shut down tractor.
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RT45 Operator’s Manual Service - 173 As Needed Bleed Level Cylinder Bleed air from level cylinder whenever the hydraulic hoses have been disconnected, or when excessive bounce is noticed. To bleed cylinder: 1. Remove blade (see page 172). 2. Start tractor.
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RT45 Operator’s Manual Service - 174 As Needed...
RT45 Operator’s Manual Specifications - 175 RT45 Tractor with H313 Trencher Specifications RT45 Tractor with H313 Trencher Dimensions * U.S. Metric Trench depth, maximum 63 in 1.6 m Angle of approach 20° 20° Angle of departure 17° 17° Trench width, minimum to maximum...
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12” (300-mm) pivot (except references A and B). General ® Ditch Witch model RT45 tractor, 4-wheel drive, rigid frame, hydrostatic ground drive through rubber tires, conventional 2-wheel power steering, hydrostatic attachment drive, riding tractor Operation U.S.
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RT45 Operator’s Manual Specifications - 177 RT45 Tractor with H313 Trencher Backfill Blade U.S. Metric Blade width 64 in 1.6 m Blade height 14 in 355 mm Lift height above ground 12 in 300 mm Blade drop below ground 8 in...
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RT45 Operator’s Manual Specifications - 178 RT45 Tractor with H313 Trencher Power Train Ground drive transmission: hydrostatic drive infinitely variable from zero to maximum, foot pedal and hand lever operated speed/direction control Differentials: Dana model 44 (Dana model 60 optional)
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RT45 Operator’s Manual Specifications - 179 RT45 Tractor with H313 Trencher Fluid Capacities U.S. Metric Fuel tank 13 gal 49 L Engine oil 6.4 qt 6.1 L Initial 8 qt 7.5 L Refill 6 qt 5.5 L Hydraulic reservoir 9.5 gal...
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RT45 Operator’s Manual Specifications - 180 H314 Trencher H314 Trencher Dimensions * U.S. Metric Trench depth, maximum 52 in 1.3 m Angle of departure 35° 35° Trench width, minimum to maximum Center 6-12 in 150-305 mm Offset 6-8 in 150-200 mm Boom travel down 55°...
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RT45 Operator’s Manual Specifications - 181 H314 Trencher Transport height 86 in 2.2 m Headshaft overhang 24.9 in 630 mm Soil discharge reach short auger 17 in 430 mm long auger 30 in 760 mm * Dimensions are based on shortest roller boom, 26 X 12.00-12 standard tire and wheel, and 12” (300- mm) pivot (except reference A).
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RT45 Operator’s Manual Specifications - 182 H331 Plow H331 Plow Dimensions U.S. Metric Cover depth, feed blade, maximum 24 in 610 mm Feed tube inside width, maximum 1 in 25 mm Feed tube bend ratio 4:1 or 10:1 4:1 or 10:1...
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Plow blades are available in 12” (305-mm), 18” (460-mm), and 24” (610-mm) blade depths. Select correct blade for the job: blades with feed tubes or pull blades. Feed tube blades are provided with 4:1 or 10:1 ® bend ratios. Check with your Ditch Witch dealer for special blade requirements.
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RT45 Operator’s Manual Specifications - 184 H350 Combo H350 Combo Trencher Dimensions * U.S. Metric Trench depth, maximum 42 in 1.1 m Angle of departure 33° 33° Trench width, minimum to maximum 6-8 in 150-200 mm Boom travel down 55°...
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RT45 Operator’s Manual Specifications - 185 H350 Combo Plow Dimensions U.S. Metric Angle of departure, transport, 18” (457-mm) blade 17° 17° Cover depth, maximum* 24 in 610 mm Plow swing angle, left 30° 30° Plow swing angle, right 20° 20°...
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RT45 Operator’s Manual Specifications - 186 H342 Saw H342 Saw Dimensions U.S. Metric Trench depth, maximum 18 in 455 mm Angle of approach 18° 18° Angle of departure 14° 14° Transport height, attachment 79 in 2.0 m Overall length, full depth 177 in 4.5 m...
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RT45 Operator’s Manual Specifications - 187 H342 Saw Not Shown U.S. Metric Ground clearance at wheel, maximum 11.8 in 300 mm Centerline trench to outside edge of unit Left 32 in 815 mm Right 32 in 815 mm Attachment width...
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RT45 Operator’s Manual Specifications - 188 A323 Backhoe A323 Backhoe Dimensions U.S. Metric Transport height 80.5 in 2.0 m Ground clearance 23 in 584 mm Backhoe length, stowed 60 in 1.5 m Digging depth, maximum 72 in 1.8 m Digging depth, 2’ (0.6 m) flat bottom 66 in 1.7 m...
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RT45 Operator’s Manual Specifications - 189 A323 Backhoe Stabilizer spread, operating 104 in 2.6 m Leveling angle 10° 10° General U.S. Metric Bucket Width 12 in 305 mm Capacity 1.1 ft 0.03 m Backhoe weight with bucket 1125 lb 511 kg Lift capacity, boom over end and swing arc, SAE* @ 48”...
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RT45 Operator’s Manual Specifications - 190 MT12 MicroTrencher MT12 MicroTrencher Dimensions U.S. Metric Angle of departure 19° 19° Trench depth, 1-in (25-mm) increments 6.5-12.5 in 165-318 mm Blade diameter 34 in 864 mm Attachment height, transport 68 in 1.72 m...
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RT45 Operator’s Manual Specifications - 191 MT12 MicroTrencher Spoils chute extension (same both sides) 8.5 in 216 mm Centerline of unit to outside left tire (28x9 solid tires) 28.5 in 725 mm Centerline of unit to end of traverse frame 29.2 in...
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.
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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.
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