Ditch Witch RT36 Operator's Manual
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Ditch Witch RT36 Operator's Manual

Ditch Witch RT36 Operator's Manual

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RT36
Operator's
Manual
®
Issue 1.1
CMW
054- 131

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Summary of Contents for Ditch Witch RT36

  • Page 1 RT36 Operator’s Manual ® Issue 1.1 054- 131...

  • Page 2: Overview

    RT36 Operator’s Manual Overview - 1 Overview Chapter Contents Serial Number Location ..... . 2 Intended Use ....... 3 Unit Components .
  • Page 3 RT36 Operator’s Manual Overview - 2 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. RT36 (2) and engine (1) serial numbers are located as shown. Date of manufacture Date of purchase RT36 serial number...
  • Page 4 Intended Use Intended Use The RT36 is a riding trencher designed to install buried service lines up to 16” (410 mm) in diameter and 60” (1.5 m) deep. The unit is designed for operation in temperatures typically experienced in earth moving and construction work environments.
  • Page 5 RT36 Operator’s Manual Overview - 4 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.

  • Page 6: 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 7 Copyright 2004 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 8: Table Of Contents

    RT36 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 RT36 Operator’s Manual Contents - 8 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 of wear items, and basic maintenance Specifications machine specifications including weights, measurements, power ratings, and fluid...

  • Page 10: Safety

    RT36 Operator’s Manual Safety - 9 Safety Chapter Contents Guidelines ....... . 10 Safety Alert Classifications .

  • Page 11: Guidelines

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

  • Page 12: Safety Alert Classifications

    RT36 Operator’s Manual Safety - 11 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 13: Safety Alerts

    RT36 Operator’s Manual Safety - 12 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 14 RT36 Operator’s Manual Safety - 13 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 15 RT36 Operator’s Manual Safety - 14 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 16: Emergency Procedures

    RT36 Operator’s Manual Safety - 15 Emergency Procedures Emergency Procedures Before operating any equipment, review emergency procedures and check that all safety precautions have been taken. EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote engine stop button (if equipped).

  • Page 17: If An Electric Line Is Damaged

    RT36 Operator’s Manual Safety - 16 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 18: If A Gas Line Is Damaged

    RT36 Operator’s Manual Safety - 17 Emergency Procedures If a Gas Line is Damaged If you suspect a gas line has been damaged, take the following actions. The order and degree of action will depend on the situation. • Immediately shut off engine(s), if this can be done safely and quickly.
  • Page 19 RT36 Operator’s Manual Safety - 18 Emergency Procedures...

  • Page 20: Controls

    RT36 Operator’s Manual Controls - 19 Controls Chapter Contents Center Console ......20 •...

  • Page 21: Center Console

    RT36 Operator’s Manual Controls - 20 Center Console Center Console Gauges t14om004h.eps 1. Fuel gauge 3. Hourmeter 2. Voltmeter Item Description Notes 1. Fuel gauge Displays fuel level in tank. Use only #2 diesel fuel. Fuel tank holds 13 gal (49 L).
  • Page 22 RT36 Operator’s Manual Controls - 21 Center Console Item Description Notes 3. Hourmeter Records engine operating Use engine operating times to time. schedule service.

  • Page 23: Indicators

    RT36 Operator’s Manual Controls - 22 Center Console Indicators t14om005h.eps 1. Engine oil pressure indicator 4. Hydraulic fluid temperature indicator 2. Engine temperature indicator 5. Start interlock 3. Cold start wait indicator* * optional Item Description Notes 1. Engine oil pressure...
  • Page 24 RT36 Operator’s Manual Controls - 23 Center Console Item Description Notes 3. Cold start wait indicator Lights when intake air pre- See “Start Unit” on page 48 for more heater is operating. information. Wait until light goes off before starting engine.

  • Page 25: Controls

    RT36 Operator’s Manual Controls - 24 Center Console Controls 1. Mobile/Dig control 6. Horn 2. Clutch pedal 7. Ignition switch 3. Transmission lever 8. Service brake pedal 4. Auxiliary outlet 9. Foot throttle pedal 5. Drilling attachment control* *optional Item...
  • Page 26 RT36 Operator’s Manual Controls - 25 Center Console Item Description Notes 2. Clutch pedal Use while shifting IMPORTANT: See transmission lever transmission lever and while (page 25) and service brake applying service brake when (page 26) descriptions for more mobile/dig control is in mobile information.
  • Page 27 RT36 Operator’s Manual Controls - 26 Center Console Item Description Notes 7. Ignition switch To start engine, insert key and IMPORTANT: If engine does not start turn clockwise. on first attempt, check that all interlock requirements have been To stop engine, turn met, return switch to STOP, and try counterclockwise.

  • Page 28: Right Fender

    RT36 Operator’s Manual Controls - 27 Right Fender Right Fender 1. Ground drive speed/direction control 4. Boom lift control 2. Backfill blade control 5. Digging chain control 3. Backfill blade tilt control* 6. Throttle *optional...
  • Page 29 RT36 Operator’s Manual Controls - 28 Right Fender Item Description Notes 1. Ground drive speed/ To go forward, push. direction control To go backward, pull. To go faster in either direction, move farther from center. To stop, move to neutral.
  • Page 30 RT36 Operator’s Manual Controls - 29 Right Fender Item Description Notes 4. Boom lift control To lower, push. To raise, pull. c00ic200h.eps 5. Digging chain control To engage digging chain, IMPORTANT: This control functions push. only when the mobile/dig control is in dig position.

  • Page 31: Left Fender

    RT36 Operator’s Manual Controls - 30 Left Fender Left Fender 1. Parking brake Item Description Notes 1. Parking brake To set, pull. To release, push. c00ic268h.eps...

  • Page 32: Seat

    RT36 Operator’s Manual Controls - 31 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.

  • Page 33: Backhoe Console

    RT36 Operator’s Manual Controls - 32 Backhoe Console Backhoe Console t14om073h.eps 1. Remote throttle 7. Seat latch 2. Boom/Swing control 8. Neutral switch 3. Left stabilizer control 9. Mechanical stow lock control 4. Right stabilizer control 10. Work light switch* 5.
  • Page 34 RT36 Operator’s Manual Controls - 33 Backhoe Console Item Description Notes 2. Boom/Swing control To swing boom left, move left. Control can perform more than one action at a time. By “feathering” the To swing boom right, move control, operator can combine right.
  • Page 35 RT36 Operator’s Manual Controls - 34 Backhoe Console Item Description Notes 7. Seat latch To release backhoe seat, IMPORTANT: Ensure seat is latched disengage lock by moving before driving unit. hole in latch clear of bolt. See “Backhoe” on page 65 for more information.

  • Page 36: Engine

    RT36 Operator’s Manual Controls - 35 Engine Engine 1. Air filter restriction indicator 2. Battery disconnect switch Item Description Notes 1. Air filter restriction When red band is visible, For more information, see “Change indicator change air filter. Air Filter” on page 111.
  • Page 37 RT36 Operator’s Manual Controls - 36 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 38: Operation Overview

    RT36 Operator’s Manual Operation Overview - 37 Operation Overview Chapter Contents Planning........38 Trenching.
  • Page 39 RT36 Operator’s Manual Operation Overview - 38 Planning Planning 1. Gather information about jobsite. See page 42. 2. Inspect jobsite. See page 43. 3. Classify jobsite. See page 44. 4. Select chain and teeth to match your soil type, if necessary. See page 78.
  • Page 40 RT36 Operator’s Manual Operation Overview - 39 Digging with Backhoe Digging with Backhoe 1. Start unit. See page 48. 2. Set stabilizers and unstow backhoe. See page 66. 3. Excavate. See page 67. 4. Stow backhoe properly. See page 68.
  • Page 41 RT36 Operator’s Manual Operation Overview - 40 Leaving Jobsite...

  • Page 42: Prepare

    RT36 Operator’s Manual Prepare - 41 Prepare Chapter Contents Gather Information ......42 • Review Job Plan ......... . .42 •...

  • Page 43: Gather Information

    RT36 Operator’s Manual Prepare - 42 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 44: Inspect Site

    RT36 Operator’s Manual Prepare - 43 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 45: Classify Jobsite

    RT36 Operator’s Manual Prepare - 44 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 One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call.

  • Page 46: Apply Precautions

    RT36 Operator’s Manual Prepare - 45 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 47: Check Supplies And Prepare Equipment

    RT36 Operator’s Manual Prepare - 46 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 48: Drive

    RT36 Operator’s Manual Drive - 47 Drive Chapter Contents Start Unit ....... . . 48 Drive .
  • Page 49 RT36 Operator’s Manual Drive - 48 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 50 RT36 Operator’s Manual Drive - 49 Start Unit 1. Fasten and adjust seat belt. 2. Check that speed/direction control and transmission lever are in neutral and that digging chain control is OFF. 3. Check that parking brake is engaged. 4. Press clutch pedal.
  • Page 51 RT36 Operator’s Manual Drive - 50 Drive Drive EMERGENCY SHUTDOWN: Turn ignition switch to STOP. 1. Verify that parking brake is engaged. 2. Raise backfill blade and all attachments. 3. Press clutch pedal. 4. Move mobile/dig control to MOBILE. 5. Shift transmission into desired gear.

  • Page 52: Transport

    RT36 Operator’s Manual Transport - 51 Transport Chapter Contents Lift ........52 •...

  • Page 53: Lift

    RT36 Operator’s Manual Transport - 52 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 54: Tie Down

    RT36 Operator’s Manual Transport - 53 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 55: Haul

    RT36 Operator’s Manual Transport - 54 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 56 RT36 Operator’s Manual Transport - 55 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 57 RT36 Operator’s Manual Transport - 56 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 58: Tow

    RT36 Operator’s Manual Transport - 57 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 59 RT36 Operator’s Manual Transport - 58...

  • Page 60: Trench

    RT36 Operator’s Manual Trench - 59 Trench Chapter Contents Setup ........60 Operation .
  • Page 61 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 62 RT36 Operator’s Manual Trench - 61 Operation Operation Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. NOTICE: Cutting or drilling concrete containing sand or rock containing quartz may result in exposure to silica dust.
  • Page 63 RT36 Operator’s Manual Trench - 62 Operation 1. Press clutch pedal. 2. Verify that transmission lever is in neutral and parking brake is engaged. 3. Verify that speed/direction control is in neutral. 4. Move mobile/dig control to DIG. IMPORTANT: If mobile/dig control does not easily move into place, splines are not alinged up. DO NOT FORCE mobile/dig control.
  • Page 64 Rocky and hard soils require slower chain speed to break them up and may be trenched for short periods of time in first gear. Shift out of second gear only to get through unusual trenching conditions. When unusual soil becomes the rule, see your Ditch Witch dealer about optional sprockets to match soil conditions. Trenching •...
  • Page 65 RT36 Operator’s Manual Trench - 64 Operating Tips...

  • Page 66: Backhoe

    RT36 Operator’s Manual Backhoe - 65 Backhoe Chapter Contents Setup ........66 Operation .
  • Page 67 RT36 Operator’s Manual Backhoe - 66 Setup Setup 1. Move attachment speed/direction control to neutral position. 2. Move ground drive control to neutral position. 3. Shift gearbox control to low. 4. Lower rear attachment to 6” (150 mm) above ground.
  • Page 68 RT36 Operator’s Manual Backhoe - 67 Operation Operation Use boom/swing control and bucket/dipper control to dig hole or trench. IMPORTANT: For more information about backhoe controls, see page 32. • Keep dipper and boom at right angles as much as possible for maximum power.
  • Page 69 RT36 Operator’s Manual Backhoe - 68 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 70 RT36 Operator’s Manual Backhoe - 69 Stowing 5. Raise stabilizers. 6. Return remote throttle to low idle.
  • Page 71 RT36 Operator’s Manual Backhoe - 70...

  • Page 72: Drill

    RT36 Operator’s Manual Drill - 71 Drill Chapter Contents Prepare Jobsite and Equipment ....73 • Approach Trench......... . .73 •...
  • Page 73 RT36 Operator’s Manual Drill - 72 Turning shaft will kill you or crush arm or leg. Stay away. NOTICE: Keep everybody at least 10’ (3 m) away from drill pipe during operation. Do not straddle trench or drill pipe while drilling.

  • Page 74: Prepare Jobsite And Equipment

    RT36 Operator’s Manual Drill - 73 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 75: Drill

    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.

  • Page 76: Add Rod

    RT36 Operator’s Manual Drill - 75 Add Rod Add Rod 1. Stop drilling attachment. 2. Back up tractor 6" (150 mm) to loosen drill rod in ground. 3. Disconnect drill rod from drilling attachment. 4. Move tractor away from bore.

  • Page 77: Disassemble Joints

    RT36 Operator’s Manual Drill - 76 Disassemble Joints Disassemble Joints 1. Press tab through hole in female side of joint using special tool or screwdriver. 2. Pull rods apart.

  • Page 78: Systems And Equipment

    RT36 Operator’s Manual Systems and Equipment - 77 Systems and Equipment Chapter Contents Chain, Teeth, and Sprockets ....78 • Chain and Tooth Maintenance ....... .78 •...

  • Page 79: Chain, Teeth, And Sprockets

    For correct tightening procedure, see page 112. • 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 80: Chain Selection

    RT36 Operator’s Manual Systems and Equipment - 79 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 81: Optional Equipment

    RT36 Operator’s Manual Systems and Equipment - 80 Optional Equipment Optional Equipment See your Ditch Witch dealer for more information about the following optional equipment. Tractor Equipment Description tires 31” or 35” are available cold start kit aids starting in cold weather...

  • Page 82: Complete The Job

    RT36 Operator’s Manual Complete the Job - 81 Complete the Job Chapter Contents Restore Jobsite ......82 •...
  • Page 83 RT36 Operator’s Manual Complete the Job - 82 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 84: Service

    RT36 Operator’s Manual Service - 83 Service Chapter Contents Lubrication Overview ..... . . 84 Recommended Lubricants/Service Key ..85 •...

  • Page 85: Lubrication Overview

    RT36 Operator’s Manual Service - 84 Lubrication Overview Lubrication Overview...

  • Page 86: 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 129 to record all required service to your machine.

  • Page 87: Engine Oil Selection Chart

    RT36 Operator’s Manual Service - 86 Recommended Lubricants/Service Key Engine Oil Selection Chart Select oil based on ambient temperature range expected before next oil change. Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly.

  • Page 88: 10 Hour

    RT36 Operator’s Manual Service - 87 10 Hour 10 Hour Location Task Notes TRACTOR Check engine oil level Check hydraulic fluid level Check hydraulic reservoir breather cap Lube digging chain clutch Lube digging chain control lever Check tire pressure and lugnuts standard: 12 psi (0.8 bar)
  • Page 89 RT36 Operator’s Manual Service - 88 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 90 RT36 Operator’s Manual Service - 89 10 Hour Lube Digging Chain Control Lever Lube zerk on frame under seat every 10 hours with MPG. Lube Digging Chain Clutch Lube zerk on side of battery box every 10 hours with MPG.
  • Page 91 RT36 Operator’s Manual Service - 90 10 Hour Check Hydraulic Reservoir Breather Cap Check hydraulic reservoir breather cap every 10 hours. Clean as needed. Check Air Filter Restriction Indicator Check air filter restriction indicator every 10 hours. Change air filter as indicated. See“Change Air Filter” on...
  • Page 92 RT36 Operator’s Manual Service - 91 10 Hour Trencher Lube Trencher Pivot Lube zerk every 10 hours with MPG. Lube Trencher Pivot Stub Wipe zerk on right side of trencher clean and lube every 10 hours with MPG. When boom is lowered, zerk...
  • Page 93 Wipe headshaft support bearing zerks (left side beside auger) clean and lube every 10 hours with MPG. Check Digging Chain Check teeth (1) for wear every 10 hours. Replace worn teeth, using Ditch Witch replacement parts and maintaining original tooth pattern.
  • Page 94 RT36 Operator’s Manual Service - 93 10 Hour Check Digging Chain Tension Check digging chain tension every 10 hours. Sprocket Boom Tension is correct when 2” (50 mm) of slide and stop (A) are exposed. Roller Boom With boom horizontal, measure distance from bottom of boom to chain. When properly adjusted, distance...
  • Page 95 RT36 Operator’s Manual Service - 94 10 Hour Lube Trencher Tail Roller Remove plug, wipe zerk clean and lube every 10 hours with MPG.

  • Page 96: 50 Hour

    RT36 Operator’s Manual Service - 95 50 Hour 50 Hour Location Task Notes TRACTOR Check digging chain drive belts Check fan/alternator belt 27-30 ft•lb (36-40 N•m) Inspect hoses Check battery Change hydraulic fluid filter initial service Lube backfill blade swing Check Digging Chain Drive Belts Check belts for wear and proper tension every 50 hours.
  • Page 97 RT36 Operator’s Manual Service - 96 50 Hour Check Battery Check battery every 50 hours. Keep battery case and terminals clean. Remove all corrosion from terminals with a wire brush. Wash terminals with a weak solution of baking soda and water. Check battery charge more frequently during cold weather.
  • Page 98 RT36 Operator’s Manual Service - 97 50 Hour Check Fan/Alternator Belt Tension Check belt tension every 50 hours. Belt is properly tensioned when it moves about 2/3” (15 mm) when pushed where shown. If belt is loose, loosen bolt (1), slide alternator to create proper tension and tighten bolt.
  • Page 99 RT36 Operator’s Manual Service - 98 50 Hour Check Hydraulic Hoses Check all hydraulic hoses every 50 hours. 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.

  • Page 100: 100 Hour

    RT36 Operator’s Manual Service - 99 100 Hour 100 Hour Location Task Notes TRENCHER Lube gearbox drive shaft cross and bearings Lube digging chain drive shaft cross and bearings Check digging chain drive oil level Check Digging Chain Drive Oil Level Check oil level every 100 hours.
  • Page 101 RT36 Operator’s Manual Service - 100 250 Hour Lube Gearbox Drive Shaft Cross and Bearings Lube zerks with MPG every 100 hours. 250 Hour Location Task Notes TRACTOR Check gearbox oil level Check transmission fluid level Lube drive shaft cross and bearings Check Transmission Fluid Level Check fluid level every 250 hours.
  • Page 102 RT36 Operator’s Manual Service - 101 250 Hour Check Gearbox Oil Level Check at plug (2) on left side of gearbox every 250 hurs. Add MPL at fill (1) as needed. Lube Drive Shaft Cross and Bearings Lube zerks with 2-3 shots of MPG every 250 hours. Access from underneath unit.

  • Page 103: 500 Hour

    RT36 Operator’s Manual Service - 102 500 Hour 500 Hour Location Task Notes TRACTOR Change engine oil and filter Change fuel filter Change hydraulic filter Check differential oil Lube universal joints Tractor Change Engine Oil and Filter Change engine oil and filter every 500 hours.
  • Page 104 RT36 Operator’s Manual Service - 103 500 Hour Change Fuel Filter Change fuel filter every 500 hours. Lube Universal Joints Lube zerks with MPG every 500 hours.
  • Page 105 RT36 Operator’s Manual Service - 104 500 Hour Check Differential Oil Level Check oil level at fill plug every 500 hours. Add MPL as needed. Change Hydraulic Filter Change hydraulic filter every 500 hours. Add hydraulic fluid as needed.

  • Page 106: 1000 Hour

    RT36 Operator’s Manual Service - 105 1000 Hour 1000 Hour Location Task Notes TRACTOR Change differential oil Change hydraulic fluid and filter Change ground drive gearbox oil Change transmission fluid Inspect muffler Inspect ROPS TRENCHER Change digging chain drive oil...
  • Page 107 RT36 Operator’s Manual Service - 106 1000 Hour Inspect ROPS Check all frame bolts and welds every 1000 hours. Change Differential Oil Change differential oil every 1000 hours. To change: 1. Remove cover and drain oil. 2. Replace cover. 3. Add MPL at fill plug until oil is visible at plug.
  • Page 108 RT36 Operator’s Manual Service - 107 1000 Hour Change Ground Drive Gearbox Oil Change ground drive gearbox oil every 1000 hours. To change: 1. Remove drain plug (2). 2. Drain oil and replace plug. 3. Fill gearbox with MPL at fill (1). Capacity is 2 qt (1.6 L).
  • Page 109 RT36 Operator’s Manual Service - 108 1000 Hour Change Hydraulic Fluid and Filter Change hydraulic fluid and filter every 1000 hours. To change: 1. Pull suction hose (2) from bottom of hydraulic pump. 2. Drain fluid and reattach hose. 3. Change filter (see page 104).

  • Page 110: As Needed

    RT36 Operator’s Manual Service - 109 As Needed As Needed Location Task Notes TRACTOR Adjust parking brake Change air filter Adjust service brake Clean engine cooling system Adjust engine clutch pedal TRENCHER Adjust digging chain tension Replace digging chain and teeth...
  • Page 111 RT36 Operator’s Manual Service - 110 As Needed Adjust Parking Brake Adjust parking brake as needed. To tighten: 1. Disengage parking brake. 2. Remove orange sleeve. 3. Twist lever clockwise. Engage parking brake to test tension. 4. Repeat 1-3 until parking brake is properly adjusted.
  • Page 112 RT36 Operator’s Manual Service - 111 As Needed Change Air Filter Change air filter when yellow band reaches red line on air filter service indicator (3). To change: 1. Remove air filter cover and remove primary (2) and secondary (1) elements.
  • Page 113 RT36 Operator’s Manual Service - 112 As Needed Trencher Adjust Digging Chain Tension Adjust digging chain tension as needed. Sprocket Boom Tension is correct when 2” (50 mm) of slide and stop (3) are exposed. To tighten chain, remove plug and pump MPG into cylinder (1).
  • Page 114 RT36 Operator’s Manual Service - 113 As Needed Roller Boom with Grease Cylinder With boom horizontal, measure distance from bottom of boom to chain (2). When properly adjusted, distance should be 1.5-2.0” (40-50 mm). Fluid pressure could pierce skin and cause injury or death. Stay away.
  • Page 115 RT36 Operator’s Manual Service - 114 As Needed To remove chain: 1. Fasten and adjust seat belt. 2. Start tractor. See page 48 for proper start-up procedures. 3. Move attachment direction/speed control until digging chain connector pin is on top of boom.
  • Page 116 RT36 Operator’s Manual Service - 115 As Needed 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. Wear gloves and safety glasses, and cover fitting with cloth when relieving pressure in cylinder.
  • Page 117 RT36 Operator’s Manual Service - 116 As Needed Adjust Digging Chain Control Adjust digging chain control as needed. To adjust 1. Engage digging chain control. 2. Loosen jam nut (2) on upper end of link rod. 3. Remove locknut, washer, and bolt (1) holding link rod to control pin ear.

  • Page 118: Specifications

    RT36 Operator’s Manual Specifications - 117 RT36 Tractor Specifications RT36 Tractor Dimensions (with 26 x 12.00-12 tire) U.S. Metric Trench depth, maximum 60 in 1.5 m Angle of approach 20° 20° Angle of departure 17° 17° Trench width, maximum 16 in...
  • Page 119 1.2 m Dimensions based on unit equipped with backfill blade, 26X12.00-12 tires and 39” (991-mm) roller boom. General Ditch Witch model RT36 tractor, 4-wheel drive, rigid frame, ground drive through rubber tires, conventional 2-wheel power steering, centerline mechanical riding trencher Operation U.S.
  • Page 120 RT36 Operator’s Manual Specifications - 119 RT36 Tractor First gear 120 rpm 120 rpm Second gear 192 rpm 192 rpm Third gear 312 rpm 312 rpm Reverse 88 rpm 88 rpm Vehicle clearance circle (wall-to-wall) 27 ft 8.2 m Operating weight (with shortest boom, 6” (152-mm) 4-pitch chain, and 175-...
  • Page 121 RT36 Operator’s Manual Specifications - 120 RT36 Tractor Power U.S. Metric Engine: Deutz F3L2011, diesel Cooling medium: integrated oil Injection: direct Number of cylinders: 3 Displacement 2.3 L 142 in Bore 3.7 in 94 mm Stroke 4.4 in 112 mm Engine manufacturer’s net power rating (SAE J1349)
  • Page 122 RT36 Operator’s Manual Specifications - 121 RT36 Tractor Hydraulic System U.S. Metric Ground drive pump capacity at 2500 rpm 9 gpm 34 L/min Ground drive pump relief setting 2500 psi 172 bar Fluid Capacities U.S. Metric Fuel tank 13 gal...
  • Page 123 RT36 Operator’s Manual Specifications - 122 A322 Backhoe A322 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...
  • Page 124 RT36 Operator’s Manual Specifications - 123 A322 Backhoe 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” (1.2 m)
  • Page 125 RT36 Operator’s Manual Specifications - 124 A322 Backhoe...

  • Page 126: 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 127 Subject to the limitations 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 SK500 attachments).

  • Page 130: Service Record

    RT36 Operator’s Manual Service Record - 129 Service Record Service Performed Date Hours...
  • Page 131 RT36 Operator’s Manual Service Record - 130 Service Performed Date Hours...

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