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Service - 172

RT120Q Operator’s Manual

50 Hour

Trencher

Check Trencher Gearbox Oil Level

Check oil at sight tube every 50 hours. Keep oil
level at horizontal line on housing. If necessary,
add MPL at fill plug.

Plow

Change Plow Vibrator Oil

Change plow vibrator oil after first 50 hours of
operation. Drain oil at drain plug (2). Replace plug
and move plow vibrator to horizontal position. Add
MPL at fill (1) until oil is halfway up sight glass (2).
Refill capacity is 4 qt (3.8 L).

Hot parts may cause burns. Do not touch until
cool or wear gloves.

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Summary of Contents for RT120Q

Page 1: ...RT120Q Operator s Manual Issue 2 0 Original Instruction 053 2634 ...

Page 2: ...rator s Manual Overview 1 Overview Chapter Contents Serial Number Location 2 Intended Use 3 Equipment Modification 3 Unit Components 4 Operator Orientation 5 About This Manual 5 Bulleted Lists 5 Numbered Lists 5 ...

Page 3: ...erial numbers and date of purchase in spaces provided RT120Q 1 and engine serial numbers 2 are located as shown Date of manufacture Date of purchase RT120Q serial number Front attachment serial number Rear attachment serial number Trailer serial number Engine serial number 1 2 t37om002w eps ...

Page 4: ...t was designed and built in accordance with applicable standards and regulations Modification of equipment could mean that it will no longer meet regulations and may not function properly or in accordance with the operating instructions Modification of equipment should only be made by competent personnel possessing knowledge of applicable standards regulations equipment design functionality requir...

Page 5: ...iew 4 RT120Q Operator s Manual Unit Components Unit Components 1 Rollover Protective Structure ROPS 2 Operator station 3 Control console 4 Engine compartment 5 Backfill blade optional 1 2 3 4 5 t37om003w eps ...

Page 6: ...See Operation Overview for basic operating procedures Cross references such as See page 50 will direct you to detailed procedures Bulleted Lists Bulleted lists provide helpful or important information or contain procedures that do not have to be performed in a specific order Numbered Lists Numbered lists contain illustration callouts or list steps that must be performed in order 1 Front of unit 2 ...

Page 7: ...Overview 6 RT120Q Operator s Manual About This Manual ...

Page 8: ... 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 Attn Marketing Department PO Box 66 Perry OK 73077 0066 USA The descriptions and specifications in this manual are subject to change without notice The Charles Machine Works Inc reserves the right to improve equipm...

Page 9: ...e number 2 0 OM 06 17 Part number 053 2634 Copyright 2013 2017 by The Charles Machine Works Inc and Ditch Witch are registered trademarks of The Charles Machine Works Inc This product and its use may be covered by one or more patents at http patents charlesmachine works ...

Page 10: ...ow to use them 29 Operation Overview an overview for completing a job with this machine planning setting up installing product and restoring the jobsite with cross references to detailed procedures 71 Prepare procedures for inspecting and classifying the jobsite planning the installation path and preparing the jobsite for work 75 Drive procedures for startup cold start driving and shutdown 83 Tran...

Page 11: ...g and storing equipment 151 Service service intervals and instructions for this machine including lubrication replacement of wear items and basic maintenance 153 Specifications machine specifications including weights measurements power ratings and fluid capacities 193 Support the warranty policy for this machine and procedures for obtaining warranty consideration and training 213 Service Record a...

Page 12: ...sition 65 Warning 12 Emergency Procedures 13 Electric Strike Description 13 If an Electric Line is Damaged 14 If a Gas Line is Damaged 15 If a Fiber Optic Cable is Damaged 16 If Machine Catches on Fire 16 Safety Alert Classification 17 Safety Alert Classification 17 Machine Safety Alerts 18 ...

Page 13: ...tive equipment Review jobsite hazards safety and emergency procedures and individual responsibilities with all personnel before work begins Safety videos are available from your Ditch Witch dealer or at www ditchwitch com safe Safety Data Sheets SDS are available at www ditchwitch com support Fully inspect equipment before operating Repair or replace any worn or damaged parts Replace missing or da...

Page 14: ...Low voltage current can injure or kill Many work related electrocutions result from contact with less than 440 volts Most electric strikes are not noticeable but indications of a strike include power outage smoke explosion popping noises arcing electricity If any of these occur assume an electric strike has occurred Jobsite hazards could cause death or serious injury Use correct equipment and work...

Page 15: ...ity company to shut off power Do not return to jobsite or allow anyone into area until given permission by utility company If you suspect an electric line has been damaged and you are off tractor DO NOT TOUCH TRACTOR Take the following actions The order and degree of action will depend upon the situation LEAVE AREA The ground surface may be electrified so take small steps with feet close together ...

Page 16: ...uickly Warn others that a gas line has been cut and that they should leave the area Leave jobsite as quickly as possible Immediately call your local emergency phone number and utility company If jobsite is along street stop traffic from driving near jobsite Do not return to jobsite until given permission by emergency personnel and utility company Fire or explosion possible Fumes could ignite and c...

Page 17: ...tches on Fire Perform emergency shutdown procedure and then take the following actions The order and degree of action will depend on the situation Immediately move battery disconnect switch if equipped and accessible to disconnect position If fire is small and fire extinguisher is available attempt to extinguish fire If fire cannot be extinguished leave area as quickly as possible and contact emer...

Page 18: ...vels DANGER WARNING and CAUTION Learn what each level means indicates a hazardous situation that if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations indicates a hazardous situation that if not avoided could result in death or serious injury indicates a hazardous situation that if not avoided could result in minor or moderate injury...

Page 19: ...t use starter fluid 273 459 2P 274 206 2P 700 206 2P 2 Contents under pressure Relieve pressure before opening Death or injury could occur 270 2732 3 Moving parts could cut off hand or foot Stay away 275 184 273 546 4 FALL POSSIBLE Riders can fall from machine and be injured or killed Single operator only 275 185 ...

Page 20: ...erator s Manual Safety 19 Machine Safety Alerts 5 Rollover could kill or crush Wear seat belt 275 303 6 Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 ...

Page 21: ...rator s Manual Attachment Safety Alerts Attachment Safety Alerts A920 1 Moving parts could cut off hand Keep hands away 2 Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away ...

Page 22: ...ging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 2 Tiedown location See Transport chapter for more information 3 DANGER stripe decal See Parts Manual for replacement part numbers 4 Lift point See Transport chapter for more information ...

Page 23: ...ent Safety Alerts H911 5 DANGER decal See Parts Manual for replacement part numbers 1 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 2 Lift point See Transport chapter for more information ...

Page 24: ...s 3 Moving parts could cut off hand or foot Stay away 275 184 273 546 4 Tiedown location See Transport chapter for more information 5 DANGER stripe decal See Parts Manual for replacement part numbers 6 DANGER decal See Parts Manual for replacement part numbers ...

Page 25: ... Tiedown location See Transport chapter for more information 2 Lift point See Transport chapter for more information 3 Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away 4 Moving parts could cut off hand Keep hands away ...

Page 26: ...ent Safety Alerts H1052 1 Tiedown location See Transport chapter for more information 2 Lift point See Transport chapter for more information 3 Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away ...

Page 27: ...rts could cut off hand Keep hands away 5 DANGER stripe decal See Parts Manual for replacement part numbers 6 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 7 DANGER decal See Parts Manual for replacement part numbers ...

Page 28: ...s Manual Safety 27 Attachment Safety Alerts H1140 1 Moving parts could cut off hand Keep hands away 2 Tiedown location See Transport chapter for more information 3 Lift point See Transport chapter for more information ...

Page 29: ...r safety glasses and hard hat 5 Moving digging teeth will cause serious injury or death Stay away 6 DANGER stripe decal See Parts Manual for replacement part numbers 1 Lift point See Transport chapter for more information 2 Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away ...

Page 30: ... Chapter Contents Center Console 30 Graphic Display 34 Right Console 46 Left Console 49 Seat Console 52 Seat Deck 54 Trencher Controls 56 Plow Controls 58 Combo Controls 60 Backhoe Console 63 Saw Controls 67 Drill Controls 68 Battery Disconnect 70 ...

Page 31: ... Horn button 3 Start override switch 4 Axle lock switch 5 Graphic display 6 Ground drive speed switch 7 Reel carrier switch 8 Reel winder mode selector switch 9 Ignition key switch 10 Ground drive foot control 11 Steering column tilt control Optional t37om001w eps 1 2 3 4 5 6 7 8 9 10 11 ...

Page 32: ... IMPORTANT Override starts interlock functions allowing operator to start tractor for a short period of time to move from a potentially dangerous position 4 Axle lock switch To lock rear axle press top To unlock rear axle press bottom NOTICE To prevent mechanical damage stop tractor before operating axle lock switch After disengaging axle lock drive tractor in reverse 6 2 m to fully disengage c00i...

Page 33: ...speed switch To select High 3 Medium 2 or Low 1 press appropriate switch position Screen icon displays High Medium or Low selection 7 Reel carrier switch To raise press top To lower press bottom 8 Reel winder selector switch To change backfill blade joystick to reel winder control mode press top To return to backfill blade mode press bottom Item Description Notes c00ic604w eps c00ic602w eps 3 2 1 ...

Page 34: ...STOP and try again 10 Ground drive foot control To move tractor forward push top of pedal To move tractor backward push bottom of pedal To increase speed in either direction push pedal farther from center To reduce speed in either direction release pedal Pedal should automatically return to neutral when released 11 Steering column tilt control To adjust tilt pull To secure steering column in posit...

Page 35: ...keys allow the operator to toggle between various screens and functions Item Description Notes Attachment speed Displays precentage of attachment speed and plow or trencher saw mode Note Screen icons change according to attachment being operated 0 RPM x100 0 0 0 0 F 0 0 v 0 PSI 0 0 H 15 5 25 30 0 10 20 3 t37om048w eps RPM 0 0 00 AM PM 00 c00ic028w eps ...

Page 36: ...ence Indicates operator presence and start interlock condition Fuel level Displays fuel level and percentage Battery voltage Displays battery voltage Day Night mode Indicates selected mode Item Description Notes c00ic001w eps c00ic003w eps c00ic008w eps c00ic010w eps ...

Page 37: ...s Displays engine hours Engine oil pressure Displays engine oil pressure Engine coolant temperature Displays coolant temperature Axle lock Displays status of axle differential lock Item Description Notes c00ic020w eps 0 0 H c00ic005w eps c00ic004w eps c00ic002w eps ...

Page 38: ...ion Displays ground drive direction of travel and speed as a percentage Ground drive gear indicator Displays selected gear in center of icon Cruise control indicator Displays cruise mode status Parking brake indicator Displays parking brake status c00ic006w eps c00ic009w eps c00ic032w eps c00ic055t eps ...

Page 39: ...raulic filter restriction indicator Displays restriction status Hydraulic fluid high temperature indicator Displays information about hydraulic fluid temperature Menu indicator Displays menu icon over key 3 Item Description Notes c00ic037t eps c00ic031w eps ...

Page 40: ...main menu screen which has icons for other functions Soft keys below on screen icons allow the operator to toggle between various screens and functions Item Description Notes System Settings This is an information display SYSTEM SETTINGS USER SETTINGS GAUGE DISPLAY DIOGNOSTICS t33om093w eps c00ic015w eps ...

Page 41: ...the soft key below this on screen icon to select Diagnostics Displays interlock icons and diagnostic codes if any Press soft key below on screen icons to return to main menu or gauge display Note If diagnostic codes are displayed contact your Ditch Witch dealer Item Description Notes c00ic016w eps c00ic017w eps c00ic018w eps ...

Page 42: ...to previous screen Press center soft key to display gauge screen Back t37om043w eps Copyright Component SYSTEM RT120QT4i SETTINGS Application OS Bootloader Configuration 2 2 2 1 1 3 3 3 10155 10081 10146 0 0 Release Release Release 78333159 78333166 78333156 Beta VERSION PartNo 2012 The Charles Machine Works c00ic011w eps ...

Page 43: ...eturn to previous screen Press center soft key to display gauge screen Down Press soft key to move through selections 1 4 Press center soft key to display gauge screen USER Day USA Standard Units Language English Ambient Light 100 Brightness SETTINGS t33om092w eps 1 2 3 4 Back Save Reset c00ic011w eps c00ic012w eps ...

Page 44: ...trols 43 Graphic Display Save Press soft key to save settings Reset Press soft key to return to default settings Day Night Press soft key to select day or night mode Item Description Notes c00ic013w eps c00ic014w eps c00ic010w eps ...

Page 45: ...ay Diagnostics Item Description Notes Attachment Neutral Indicates attachment controls in neutral position Operator Presence Indicates operator presence for start interlock status MAIN DISPLAY GAUGE MENU t37om044w eps N N c00ic021w eps N c00ic001w eps ...

Page 46: ...s soft key to return to previous screen Press center soft key to display gauge screen Gauge Display Press the soft key on screen icon to select Engine stop Press to stop engine from backhoe operator s station Switch must be raised reset to allow engine starting Item Description Notes c00ic022w eps N c00ic019w eps c00ic017w eps c00ic649w eps ...

Page 47: ...120Q Operator s Manual Right Console Right Console 1 Backfill blade lift tilt Reel winder control 2 Rear steer control 3 Rear steer manual auto control 4 Frame tilt control 5 Throttle Optional t37om005w eps 1 2 3 4 5 ...

Page 48: ...unwind move forward To wind move backward To lower reel winder arm move right To raise reel winder arm move left 2 Rear steer switch To move rear tracks left press left To move rear tracks right press right NOTICE Tracks move when you press the switch To stop movement release switch Visually verify track position 3 Rear steer manual auto switch To center tracks press right To manually steer rear t...

Page 49: ... 48 RT120Q Operator s Manual 4 Frame tilt control To tilt left press left To tilt right press right 5 Throttle To increase speed move forward To decrease speed move rearward Item Description Notes c00ic626w eps ...

Page 50: ...anual Controls 49 Left Console Left Console 1 Parking brake control 1 Parking brake control To set brake pull handle up To release brake push handle down When parking brake is set ground drive is disabled 1 t37om006w eps ...

Page 51: ...dicator and display should indicate that cruise mode is activated To turn off press top again Switch indicator and display should indicate that cruise mode is deactivated Turn on cruise control only when ground drive motor control is in low ground drive is in neutral Hand and foot controls must be in neutral or cruise control switch input will be ignored 1 2 t37om007w eps c00ic630w eps ...

Page 52: ...ontrol To decrease engine load while using cruise control turn clockwise To increase engine load while using cruise control turn counterclockwise This typically decreases engine load temporarily This typically increases engine load temporarily c00ic629w eps RPM 2 2 ...

Page 53: ...ed direction control Item Description Notes 1 Ground drive speed control To go faster in either direction move farther from neutral To stop return to center NOTICE Control does not automatically return to neutral IMPORTANT This control is disabled in high gear 1 1 2 2 t33om002w eps t33om002w eps c00ic631w eps ...

Page 54: ...ls 53 Seat Console 2 Attachment speed direction control To go faster in either direction move farther from neutral To stop return to center NOTICE Control does not automatically return to neutral Item Description Notes c00ic632w eps ...

Page 55: ...ment lock 5 Seat pivot 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 2 Armrest adjustment control To raise or lower armrests Remove knob Adjust armrest to desired position Replace knob 1 1 2 2 2 2 1 1 3 4 4 5 t33om003w eps t33om003w eps 3 ...

Page 56: ...rn clockwise To unlock seat height turn counterclockwise 5 Seat pivot control To pivot seat to the right pull To lock seat in position release To return seat to front facing position swing seat left Seat pivots only to the right and can be locked in any position from 0 90 IMPORTANT Drive tractor with operator s seat facing front If desired operate rear attachments with seat pivoted Item Descriptio...

Page 57: ...ls Trencher Controls 1 Trencher slide control 2 Trench cleaner lift control 3 Boom lift control optional Item Description Notes 1 Trencher slide control H911 only To slide trencher right push To slide trencher left pull 1 2 3 t37om008w eps c00ic198h eps ...

Page 58: ...RT120Q Operator s Manual Controls 57 Trencher Controls 2 Trench cleaner lift control To lower push To raise pull 3 Boom lift control To lower push To raise pull Item Description Notes ...

Page 59: ...4 Stow lock control Item Description Notes 1 Plow swing control To swing left pull To swing right push To float push to end NOTICE If soil conditions allow operate in float position Lower plow into ground before moving control to float position Do not raise plow with control in float position 1 2 3 4 t37om009w eps c00ic202h eps ...

Page 60: ...oil conditions allow operate in float position Lower plow into ground before moving control to float position 4 Stow lock control To lock Raise plow fully Pull stow lock handle Lower plow slightly to engage lock To unlock Raise plow slightly Push stow lock handle to release lock Use this control to lock plow in the up position Item Description Notes c00ic203h eps c00ic204h eps c00ic643w eps ...

Page 61: ...ow stow lock control 6 Trench Plow switch Item Description Notes 1 Plow swing control To swing left pull To swing right push To float push to end NOTICE If soil conditions allow operate in float position Lower plow into ground before moving control to float position Do not raise plow with control in float position 1 2 3 4 5 6 t37om010w eps c00ic202h eps ...

Page 62: ... allow operate in float position Lower plow into ground before moving control to float position 4 Boom lift control To lower push To raise pull 5 Plow stow lock control To lock Raise plow fully Pull stow lock handle Lower plow slightly to engage lock To unlock Raise plow slightly Push stow lock handle to release lock Use this control to lock plow in the up position c00ic203h eps c00ic204h eps c00i...

Page 63: ...Controls 62 RT120Q Operator s Manual Combo Controls 6 Trench Plow switch To trench set switch to trench position To plow set switch to plow position ...

Page 64: ...rol 2 Left stabilizer control 3 Boom Swing control 4 Remote throttle control switch 5 Remote throttle enable switch 6 Work light switch 7 Swing lock pin 8 Ground drive switch 9 Remote engine stop switch 10 Bucket Dipper control 11 Stow lock control 12 Right stabilizer control Optional t37om046w eps ...

Page 65: ...om Swing control To swing boom left move left To swing boom right move right To raise boom pull To lower boom push Control can perform more than one action at a time By feathering the control operator can combine backhoe operations NOTICE Do not operate with backhoe in the stowed upright position 4 Remote throttle To increase engine speed press top To decrease engine speed press bottom c00ic029w e...

Page 66: ...1 To release Remove pin and store in hole 2 Release stow lock This pin locks boom from swinging during transport NOTICE Do not store pin in holes marked with an X Backhoe could swing and destroy pin 8 Remote ground drive control To move tractor forward push To move tractor backward pull NOTICE This control is disabled if tractor seat is occupied Tractor must be in low speed for remote ground drive...

Page 67: ...han one action at a time By feathering the control operator can combine backhoe operations 11 Stow lock control To lock Raise boom fully Pull stow lock handle Lower boom slightly to engage lock Insert swing lock pin To unlock Remove swing lock pin Raise boom slightly Push stow lock handle to release lock Use this control to lock boom in the up position NOTICE Always use stow lock and install swing...

Page 68: ... Operator s Manual Controls 67 Saw Controls Saw Controls 1 Saw slide control 2 Saw lift control Item Description Notes 1 Saw slide control To slide saw right push To slide saw to center pull 1 2 t37om045w eps ...

Page 69: ...Controls 68 RT120Q Operator s Manual 2 Saw lift control To lower push To raise pull Item Description Notes c00ic209h eps ...

Page 70: ...lling attachment control To rotate clockwise press bore To rotate counterclockwise press reverse IMPORTANT Always rotate clockwise during drilling and backreaming Rotate counterclockwise only to dislodge a dry bore bit or reamer that has seized in the bore hole Switch should return to neutral position when released t33om063w eps 2 1 c00ic655w eps ...

Page 71: ...ry Disconnect Battery Disconnect 1 Battery disconnect switch Item Description Notes 1 Battery disconnect switch To connect move left To disconnect move right NOTICE Do not operate battery switch with engine running t37om011w eps 1 c00ic654w eps ...

Page 72: ...RT120Q Operator s Manual Operation Overview 71 Operation Overview Chapter Contents Planning 72 Trenching 72 Plowing 72 Drilling 73 Digging with Backhoe 73 Sawing 73 Leaving Jobsite 73 ...

Page 73: ...1 Start unit See page 84 2 Position tractor and controls See page 102 3 Begin trenching See page 104 4 Engage cruise control if desired See page 146 5 Complete the installation See page 106 6 Shut down tractor See page 87 Plowing 1 Start unit See page 84 2 Position tractor and controls See page 108 offset plowing page 112 coordinated plowing page 112 crabbing page 112 3 Attach product See page 109...

Page 74: ...joints See page 138 Digging with Backhoe 1 Start unit See page 84 2 Set stabilizers and unstow backhoe See page 120 3 Excavate See page 122 4 Stow backhoe properly See page 124 5 Shut down tractor See page 87 Sawing 1 Start unit See page 84 2 Position tractor and controls See page 140 3 Begin sawing See page 141 4 Complete the installation See page 143 5 Backfill the trench See page 152 6 Shut dow...

Page 75: ...Operation Overview 74 RT120Q Operator s Manual Leaving Jobsite ...

Page 76: ... 76 Notify One Call Services 76 Arrange for Traffic Control 76 Plan for Emergency Services 76 Inspect Site 77 Identify Hazards 77 Classify Jobsite 78 Select a Classification 78 Apply Precautions 79 Check Supplies and Prepare Equipment 80 Check Supplies 80 Prepare Equipment 80 Assemble Accessories 81 ...

Page 77: ...h with white paint and have underground utilities located before working In the US or Canada call 811 US or 888 258 0808 US and Canada Also contact any local utilities that do not participate in the One Call service In countries that do not have a One Call service contact all local utility companies to have underground utilities located Arrange for Traffic Control If working near a road or other t...

Page 78: ...perimeter such as buried utility notices utility facilities without overhead lines gas or water meters junction boxes drop boxes light poles manhole covers sunken ground traffic access soil type and condition Have an experienced locating equipment operator sweep area within 20 6 m to each side of trench path to verify previously marked line and cable locations Mark location of all buried utilities...

Page 79: ...ply with all utility notification regulations before digging or drilling Verify location of previously marked underground hazards Mark jobsite clearly and keep spectators away Remember jobsite is classified by hazards in place not by line being installed If working then classify jobsite as within 10 3 m of a buried electric line electric within 10 3 m of a natural gas line natural gas in sand gran...

Page 80: ...xcavation Have gas shut off while work is in progress Have gas company test lines before returning them to service Crystalline Silica Quartz Dust Precautions Crystalline silica dust is a naturally occurring substance found in soil sand concrete granite and quartz Breathing silica dust particles while cutting drilling or working materials may cause lung disease or cancer To reduce exposure Use wate...

Page 81: ...uid Levels fuel hydraulic fluid diesel exhaust fluid battery charge engine oil Condition and Function all controls digging chain and teeth brake pads and disc fan belts light bulbs filters air oil hydraulic wheels pumps and motors hoses and valves signs guards and shields Improper control function could cause death or serious injury If control does not work as described in instructions stop machin...

Page 82: ...Extinguisher If required mount a fire extinguisher near the power unit but away from possible points of ignition where shown The fire extinguisher should always be classified for both oil and electric fires It should meet legal and regulatory requirements Backhoe_Fire_Extinguisher eps Tractor Backhoe ...

Page 83: ...Prepare 82 RT120Q Operator s Manual Check Supplies and Prepare Equipment ...

Page 84: ...RT120Q Operator s Manual Drive 83 Drive Chapter Contents Start Unit 84 Drive 85 General Operation 85 Safe Slope Operation 86 Shut Down 87 ...

Page 85: ...Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 To help avoid injury Wear hard hat safety glasses and other protective equipment required by job Do not wear jewelry or loose clothing that can catch on controls Runaway possible Start from operator s position only 275 070 Rollover possible If machine rolls over you could be thrown from seat...

Page 86: ...2 Raise backfill blade and all attachments 3 Release parking brake 4 Adjust throttle 5 When operating in Low or Medium if using the ground drive speed control the ground drive foot control will only increase speed any opposing signal from controls causes ground drive to stop 6 When operating in High ground drive stops if ground drive speed control is moved out of neutral position Moving traffic ha...

Page 87: ...e angle and braking performance are two absolute limits which must never be exceeded These maximums are stated below since they are design limits These design limits usually exceed the operating limits and must never be used alone to establish safe operating angle for variable conditions Maximum engine lubrication angle 30 Maximum service brake retarding force equal to traction of both tracks Maxi...

Page 88: ...ake indicator is on 4 Lower all unstowed attachments to ground 5 Run engine at low throttle for three minutes to cool 6 Turn ignition switch to STOP If leaving machine unattended remove key 7 For maintenance or long term storage turn battery disconnect switch to disconnect position NOTICE To avoid equipment damage wait two minutes after turning engine off before disconnecting battery ...

Page 89: ...Drive 88 RT120Q Operator s Manual Shut Down ...

Page 90: ...RT120Q Operator s Manual Transport 89 Transport Chapter Contents Lift 90 Procedure 90 Tie Down 93 Points 93 Procedure 93 Haul 96 Procedure 96 Retrieve 99 Procedure 99 ...

Page 91: ...must be lifted load machine into a container or onto a platform appropriate for lifting See Specifications on page 193 for size and weight of machine Crushing weight If load falls or moves it could kill or crush you Stay away Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake ...

Page 92: ...93 or measure and weigh equipment before lifting Traversing Trencher Use crane capable of supporting the equipment s size and weight See Specifications on page 193 or measure and weigh equipment before lifting Combo Use crane capable of supporting the equipment s size and weight See Specifications on page 193 or measure and weigh equipment before lifting ...

Page 93: ...upporting the equipment s size and weight See Specifications on page 193 or measure and weigh equipment before lifting Reel Carrier Use crane capable of supporting the equipment s size and weight See Specifications on page 193 or measure and weigh equipment before lifting ...

Page 94: ... Ensure chains are tight before transporting unit Centerline Trencher Lower trencher to trailer deck and chain at attachment frame Ensure chains are tight before transporting Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 IMPORTANT If trencher is equipped with a trench cleaner ensure that trench cleaner shoe is fully up and extra bolt fo...

Page 95: ...e that trench cleaner shoe is fully up and extra bolt found in operator s manual compartment is installed in appropriate hole for additional support NOTICE Engage attachment stow lock and swing lock devices in addition to securing at tiedowns Unsecured plow can swing outside the trailer and become a traffic hazard Lower plow and chain to trailer deck before hauling If trencher is equipped with a t...

Page 96: ...ure chains are tight before transporting Reel Carrier Lower reel carrier to lowest position as shown NOTICE Engage attachment stow lock and swing lock devices in addition to securing at tiedowns Unsecured plow can swing outside the trailer and become a traffic hazard Lower plow and chain to trailer deck before hauling t50om013w eps ...

Page 97: ...help avoid injury Read trailer operator s manual before loading or transporting your machine Incorrectly loaded machine can slip or cause trailer sway Ensure that tow vehicle has proper tow capacity rating Attach trailer to tow vehicle before loading or unloading Park load and unload trailer on level ground Check that unit and trailer do not exceed size or weight regulations Load trailer correctly...

Page 98: ...ion tractor on trailer deck for proper weight distribution 9 Set parking brake and verify that parking brake indicator is on 10 Lower attachments to trailer bed and turn tractor off See page 87 for proper shutdown procedures 11 Attach chains to tractor and attachments where tiedown decals are located See page 93 Crushing weight If load falls or moves it could kill or crush you Stay away To help av...

Page 99: ...r proper start up procedures 8 Raise attachments but keep them low and centered Check that they are not in float 9 Release parking brake and verify that parking brake indicator is off 10 Slow engine to low throttle and slowly back unit down trailer or ramps Crushing weight If load falls or moves it could kill or crush you Stay away To help avoid injury Attach trailer to tow vehicle before loading ...

Page 100: ...tach tow line to all available tie down points facing towing vehicle 4 Activate the tow valve shown Remove floor plate Locate two hex shaped relief valves Turn each valve whole hex counterclockwise three complete revolutions Replace floor plate 5 Remove blocks 6 Fasten and adjust seat belt 7 Release parking brake 8 After towing turn tow valve clockwise three complete revolutions Read operator s ma...

Page 101: ...Transport 100 RT120Q Operator s Manual Retrieve ...

Page 102: ...RT120Q Operator s Manual Trench 101 Trench Chapter Contents Set Up 102 Operate 104 Finish Job 106 ...

Page 103: ...lance 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 Use and maintain proper safety equipment To help avoid injury Comply with all utility notification regulations before digging or drilling Read operator s manual Follow safety rules and know how to ...

Page 104: ...eat to the desired position 8 Engage axle lock 9 Lower boom to just above ground 10 Check that attachment speed direction control is in neutral 11 Check that boom is in line with planned trench 12 Lower backfill blade if equipped to reduce shock when trenching begins IMPORTANT When cutting asphalt start trench in soil at edge of road and use shortest possible boom at full depth Sight along center ...

Page 105: ...exposed to silica dust To help avoid injury Use water spray or other means to control dust Refer to U S Department of Labor Occupational Safety and Health Administration guidelines to learn more about appropriate breathing protection and permissible exposure limits Electric shock will cause death or serious injury Stay away 274 049 To help avoid injury Expose lines by hand before digging Cutting h...

Page 106: ...nch depth 10 Move ground drive hand control to desired speed Always start trenching with ground drive speed set at low Increase ground drive speed only as soil conditions permit Moving digging teeth will cause serious injury or death Stay away To help avoid injury Ensure parking brake is set Allow 3 1 m between digging teeth and obstacle Machine might jerk when digging starts Keep everyone at leas...

Page 107: ...eat to the drive position 8 Tilt steering wheel column down 9 Disengage axle lock After disengaging axle lock drive tractor in reverse 6 2 m to fully disengage 10 Drive a short distance away from work site See page 85 for driving procedures 11 Shut down tractor See page 87 for proper shutdown procedures 12 Stow trench cleaner NOTICE Do not make sharp turns Lower boom to full depth when turning If ...

Page 108: ...RT120Q Operator s Manual Plow 107 Plow Chapter Contents Set Up 108 Position Tractor 109 Attach Product 109 Prepare Tractor Operate 111 Special Plowing 113 Finish Job 113 ...

Page 109: ...r serious injury Use correct equipment and work methods Use and maintain proper safety equipment To help avoid injury Comply with all utility notification regulations before digging or drilling Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 To help avoid injury Use attachments or counterweights to make front and rear loads balance when a...

Page 110: ...ge 85 4 Set parking brake and verify parking brake indicator is on 5 Lower backfill blade if equipped 6 If equipped with combo set trench plow switch to the plow position 7 Lower plow to starting point of trench 8 Turn ignition switch to STOP Attach Product Pull Product 1 Insert material into pulling grip 2 Tape grip with duct tape IMPORTANT If material must be at a constant depth dig starting and...

Page 111: ...n and adjust seat belt 2 Start tractor 3 Adjust to low throttle 4 Move ground drive control to low 5 Lower reel carrier to lowest position possible if equipped 6 Raise backfill blade if equipped 7 Tilt steering wheel column up 8 Turn seat to the desired position 9 Engage axle lock NOTICE Use only genuine Ditch Witch cable guide NOTICE Use extreme caution when operating reel carrier on sloped surfa...

Page 112: ...est ground drive speed possible without track slippage Adjust vibrator speed if ROPS vibrates excessively 8 Check cable for damage during plowing Crushing weight could cause death or serious injury 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 ...

Page 113: ...wing can be used to turn a tight circle around a jobsite obstacle or in similar conditions 1 Move rear steer center switch to the rear steer position 2 Use the rear steer switch to position the tracks as shown above 2 3 Slowly move tractor forward 4 Plow as normal Crab Plow Crab can be used to plow along edge of jobsite or in similar conditions 1 Move rear steer center switch to the rear steer pos...

Page 114: ...nd verify parking brake indicator is on 8 Lower backfill blade if equipped 9 Turn ignition switch to STOP and remove product from plow 10 Turn ignition switch to ON 11 Swing plow to center position and engage swing lock and stow lock 12 Release parking brake 13 Raise backfill blade if equipped 14 Disengage axle lock After disengaging axle lock drive tractor in reverse 6 2 m to fully disengage 15 D...

Page 115: ...Plow 114 RT120Q Operator s Manual Finish Job ...

Page 116: ...RT120Q Operator s Manual Reel Carrier 115 Reel Carrier Chapter Contents Set Up 116 Adjust Arbor 116 Prepare to Plow 117 Operate Reel Winder 118 Finish Job 118 ...

Page 117: ...nto correct position Crushing weight If load falls or moves it could kill or crush you Stay away Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 NOTICE Arbor position is determined by weight of reel Maximum weight of position 1 is 3000 lb 1361 kg Maximum weight of position 2 is 2700 lb 1225 kg 1 2 t48om055w eps 3 1 2 t48om054w eps ...

Page 118: ...s 3 Drive to beginning of planned plow path See page 85 for driving procedures 4 Set parking brake and verify parking brake indicator is on 5 Lower backfill blade if equipped NOTICE Large reels of conduit or cable may obstruct the forward visibility of the operator Machines with limited forward visibility should be driven only for short distances and with the help of a spotter t48om056w eps ...

Page 119: ... arm until track meets reel flange 7 Wind service line Finish Job 1 When finished winding raise reel winder arm 2 Adjust throttle to low 3 Move reel winder selector switch to activate backfill blade controls 4 Raise backfill blade if equipped 5 Release parking brake 6 Follow directions in Plow on page 107 to begin plowing Read operator s manual Follow safety rules and know how to use all controls ...

Page 120: ...RT120Q Operator s Manual Backhoe 119 Backhoe Chapter Contents Set Up 120 Position Tractor 120 Prepare Backhoe 121 Operate 122 Move Unit 123 Finish Job 124 ...

Page 121: ...uipped 10 Turn ignition switch to STOP 11 Move to backhoe operator s station EMERGENCY SHUTDOWN Turn ignition switch to STOP Crushing weight could cause death or serious injury Stay away 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...

Page 122: ...seat lock shown and rotate seat out of stowed position 2 Remove swing lock pin from hole 1 and store in hole 2 3 Raise boom to release tension on stow lock 4 Release stow lock by pushing handle forward For more information about stow lock see page 63 Backhoe_Seat_32016 eps ...

Page 123: ...z may result in exposure to silica dust Use dust control methods or appropriate breathing protection when exposed to silica dust To help avoid injury Use water spray or other means to control dust Refer to U S Department of Labor Occupational Safety and Health Administration guidelines to learn more about appropriate breathing protection and permissible exposure limits Electric shock will cause de...

Page 124: ...asing engine speed will not increase backhoe force Move Unit 1 Clear the area around the machine of all bystanders 2 Raise stabilizers enough to clear ground 3 Ensure ground drive direction control is in neutral 4 Move attachment speed direction control to neutral position 5 Move ground drive control to neutral position 6 Use remote ground drive switch to move unit 7 Lower stabilizers NOTICE Backh...

Page 125: ...at ground shown 4 Curl bucket closed and move dipper fully toward boom shown 5 Lift boom to highest position and latch stow lock 6 Lower boom slightly to engage lock 7 Engage swing lock See page 65 IMPORTANT For tractor to function once operator has returned to operator station stabilizers must be raised remote throttle must be set at low and boom must be stowed and locked ...

Page 126: ...Finish Job 8 Rotate seat into stowed position and engage seat lock shown 9 Drive a short distance away from work site See page 85 for driving procedures 10 Shut down tractor See page 87 for proper shutdown procedures Backhoe_Seat_32016 eps ...

Page 127: ...Backhoe 126 RT120Q Operator s Manual Finish Job ...

Page 128: ...8 Dig Approach Trench 128 Dig Target Trench 129 Install Drill String 129 Operate 130 Drill 131 Start Bore with Drill String Guide 132 Add Rod 133 Backream 134 Install Product 135 Remove Rod 136 Finish Job 138 Disassemble Drill String 138 Remove Drilling Attachment 138 ...

Page 129: ...tain proper safety equipment To help avoid injury Comply with all utility notification regulations before digging or drilling Set up warning barriers and keep people away from machine and jobsite Do not operate drilling attachment if bore path is less than 10 3 m from any underground hazard Read operator s manual Follow safety rules and know how to use all controls Your safety is at stake 273 475 ...

Page 130: ...ge 84 5 Lower boom in parallel position to ground 6 Move machine toward approach trench See Drive on page 85 7 Shut down engine See Shut Down on page 87 8 Install drilling attachment to backfill blade 9 Connect hydraulic lines IMPORTANT Ensure that target trench is deep enough for drill bit to enter slightly above the trench floor and long enough to allow for drift of unguided drill string Accurac...

Page 131: ...ans to control dust Refer to U S Department of Labor Occupational Safety and Health Administration guidelines to learn more about appropriate breathing protection and permissible exposure limits 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 Follow...

Page 132: ...p forward movement of machine and back machine slightly until rod straightens If drill string becomes blocked rotate drill string counterclockwise 6 When drill bit enters target trench stop rotation immediately Rotating shaft will cause death or serious injury Stay away To help avoid injury Keep everyone at least 10 3 m away from drill string and machine Wear close fitting clothing and personal pr...

Page 133: ... drill string guide to control the first 5 1 5 m of the bore path 5 When length of bore is 5 1 5 m have machine operator stop machine 6 When drill string has stopped remove drill string guide and leave area Rotating shaft will cause death or serious injury Stay away To help avoid injury Use only the approved Ditch Witch drill string guide p n 118 079 Do not straddle trench or drill string Do not e...

Page 134: ...ew rod section to drilling attachment 3 Start tractor and set engine to low throttle 4 Slowly move machine forward until new rod section and drill string are about 1 30 cm apart 5 Have helper lightly hold new rod section and drill string so that they are aligned 6 Rotate drilling attachment to align slip latches of new rod section and drill string 7 Move unit forward slowly As soon as new rod sect...

Page 135: ...its the approach trench stop rotation immediately Multiple Passes 1 Repeat steps 1 5 2 Install drill bit 3 Push drill string through bore Do not rotate 4 At final pass install product See Install Product on page 135 NOTICE Incorrect use may damage components and increase wear Do not try to increase hole size too much in one pass Make several passes using successively larger reamers Keep drill stri...

Page 136: ...e pulling adapter or pulling grip 4 Set engine to low throttle 5 Slowly drive in reverse See page 85 for proper driving procedures 6 When product exits approach trench stop machine immediately Rotating shaft will cause death or serious injury Stay away To help avoid injury Ensure no one is in target trench or near product being installed If swivel malfunctions material can rotate IMPORTANT If bore...

Page 137: ...own tractor See page 87 for proper shutdown procedures 3 Disconnect and remove appropriate rod section with special tool p n 351 272 See Disassemble Drill String on page 138 Rotating shaft will cause death or serious injury Stay away To help avoid injury Only access drill string with hands when tractor is shut down Always remove second rod as shown Leave first rod section attached to drilling atta...

Page 138: ... are aligned 4 Rotate drilling attachment to align slip latches of new rod section and drill string 5 Move unit forward slowly As soon as new rod section and drill string are connected have helper move hands clear 6 Slightly move forward until the slip latch connection is correctly latched Pinch point Crushing will cause serious injury To help avoid injury Keep hands at least 6 15 cm from ends of ...

Page 139: ...t drill string from drilling attachment 3 Remove drill bit 4 Disconnect sections Press tab through hole in female side of joint 1 using special tool p n 351 272 Pull rod sections apart 2 Remove Drilling Attachment 1 Disconnect hydraulic hoses if necessary 2 If desired remove drilling attachment from backfill blade ...

Page 140: ...RT120Q Operator s Manual Saw 139 Saw Chapter Contents Set Up 140 Operate 141 Finish Job 143 ...

Page 141: ...MERGENCY SHUTDOWN Turn ignition switch to STOP Crushing weight could cause death or serious injury Stay away 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 Us...

Page 142: ...Use dust control methods or appropriate breathing protection when exposed to silica dust To help avoid injury Use water spray or other means to control dust Refer to U S Department of Labor Occupational Safety and Health Administration guidelines to learn more about appropriate breathing protection and permissible exposure limits Electric shock will cause death or serious injury Stay away To help ...

Page 143: ...t at low Increase ground drive speed only as soil conditions permit Moving digging teeth will cause serious injury or death Stay away To help avoid injury Allow 3 1 m between digging teeth and obstacle Machine may jerk when digging starts Keep everyone at least 10 3 m from machine attachments and their range of movement NOTICE Ensure that stabilizers are in contact with the ground while sawing Fai...

Page 144: ...ion control to neutral 5 If equipped with traversing saw return saw to center position 6 Raise trench cleaner if equipped 7 Return seat to the drive position 8 Tilt steering wheel column down 9 Disengage axle lock After disengaging axle lock drive tractor in reverse 6 2 m to fully disengage 10 Drive a short distance away from work site See page 85 for driving procedures 11 Shut down tractor See pa...

Page 145: ...Saw 144 RT120Q Operator s Manual Finish Job ...

Page 146: ...t Chapter Contents Cruise Control 146 Operate Cruise Control 146 Chain Teeth and Sprockets 148 Chain and Tooth Maintenance 148 Chain Types 148 Chain Selection 149 Optional Equipment 150 RT120Q Tractor 150 H910 H911 Trencher 150 H1032 Plow 150 H1140 Saw 150 A920 Backhoe 150 ...

Page 147: ...aintain a preset engine speed Operate Cruise Control Plowing 1 First set the following controls ground drive controls to neutral ground drive switch to low ensure cruise control is off all other controls set as desired 2 Set ground drive hand control to maximum speed suitable for digging conditions 3 Press cruise control switch once and ensure that cruise control indicator lights 4 Use RPM control...

Page 148: ...e 104 begin trenching to desired depth 5 When desired depth is reached ensure throttle is fully open 6 Slowly move ground drive control forward 7 Slowly adjust cruise control RPM control to match digging conditions 8 When finished trenching move ground drive control to neutral and press cruise control switch again to turn off cruise control 9 Allow chain to dig itself free before stopping attachme...

Page 149: ...ure chain wear and failure Maintain the proper amount of tension on the digging chain Overtightening will cause chain stretch and loss of machine performance For correct tightening procedure see page 168 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 toot...

Page 150: ...nded Chain Sandy Soil Soft Soil Medium Soil Hard Soil Rocky Soil Sticky Soil 4 pitch cup tooth 3 1 2 3 4 1 2 pitch cup tooth 2 3 1 1 3 4 bolt on adaptor 2 pitch 4 4 3 2 1 4 bolt on adaptor cup tooth combo 4 3 2 1 2 4 Shark Chain II 4 3 2 1 1 4 alternating side bar 4 4 4 4 4 1 Soil Description sandy soil sugar sand blow sand or other soils where sand is the predominant component soft soil sandy loa...

Page 151: ...re available hydraulic trench cleaner removes spoils from the trench floor long auger extensions for conditions that require spoils to be moved farther from the trench Equipment Description blades several blade options are available toes stabilize the plow for more constant depth bullets allow a larger cavity for the material being installed RC120Q reel carrier designed to fit your Ditch Witch equ...

Page 152: ...RT120Q Operator s Manual Complete the Job 151 Complete the Job Chapter Contents Restore Jobsite 152 Backfilling 152 Rinse Equipment 152 Stow Tools 152 ...

Page 153: ... or more passes at spoils rather than moving all spoils at once 4 Repeat on other side of trench if necessary 5 Engage float and make final pass over trench Rinse Equipment Spray water onto equipment to remove dirt and mud Stow Tools Make sure all tools and accessories are loaded and properly secured on trailer NOTICE Do not spray water onto operator s console Electrical components could be damage...

Page 154: ...recaution 154 Washing Precaution 154 Changing Attachments 154 Recommended Lubricants Service Key 155 Tier 4i Engine 156 Approved Fuel 156 Approved Coolant 158 Engine Oil Temperature Chart 158 10 Hour 159 50 Hour 171 100 Hour 173 250 Hour 176 500 Hour 179 1000 Hour 182 2000 Hour 184 As Needed 186 ...

Page 155: ... to engine manufacturer s manual for engine maintenance instructions Lower unstowed attachments to ground before servicing equipment NOTICE Welding can damage electronics Disconnect battery at battery disconnect switch if equipped or disconnect battery cables before welding to prevent damage to battery Do not turn off battery disconnect switch with engine running or alternator and other electronic...

Page 156: ...content exceeds 500 ppm 500 mg kg Otherwise initial oil change should be at 250 hours See viscosity chart If oils meeting only API CJ 4 or ACEA E7 are used service interval is reduced to 250 hours MPG Multipurpose grease Use polyurea based NLGI GC LB Grade 1 5 or lithium based NLGI GC LB Grade 2 EPG Extreme pressure grease Use polyurea based NLGI GC LB Grade 1 5 or lithium based NLGI GC LB Grade 2...

Page 157: ...troller The diesel oxidation catalytic converter behind the cylinder head at the rear of the engine is a very recognizable feature A crankcase breather is located on top of the left side of engine Diagnostic and maintenance work may only be carried out by authorized personnel using equipment approved by Deutz Deutz control units are equipped with self diagnostics Active and passive error codes are...

Page 158: ...more information 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 In certain markets higher blends may be used if certain steps are taken 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 infor...

Page 159: ...th yellow John Deere Cool Gard coolant before shipment from factory Add only John Deere Cool Gard p n 255 006 or any fully formulated ethylene glycol based low silicate heavy duty diesel engine coolant meeting ASTM specification D6210 Switch to the new approved red coolant described above at the next change interval Engine Oil Temperature Chart NOTICE Use only pre diluted or concentrated coolant m...

Page 160: ...uger bearings EPG Lube trencher auger shaft EPG Check trencher auger bolts Check digging chain teeth and bits Check boom mounting bolts 250 ft lb 339 N m Check attachment mounting bolts 200 ft lb 271 N m Check restraint bar position Check trench cleaner position if equipped Check personnel restraint bar trench cleaner bolts 350 ft lb 475 N m Check digging chain tension PLOW Lube plow pivots EPG Ch...

Page 161: ...stick Check Air Filter Indicator Check air filter indicator 1 every 10 hours Red band indicates filter must be changed Push button 2 to re set indicator NOTICE Only open the air filter canister when air restriction is indicated Change the elements do not attempt to clean them Compressed air or water may damage filter elements Tapping filter elements to loosen dirt may damage the elements t37om014w...

Page 162: ... valve is not inverted damaged plugged or cracked Check Hydraulic Fluid Level With frame level check fluid at sight glass every 10 hours Add THF at fill as necessary Clean dust from cap by blowing with low pressure air IMPORTANT Open cap slowly tank may be under pressure Do not open unless adding hydraulic fluid t37om016w eps t37om018w eps ...

Page 163: ...oper use 270 6035 To help avoid injury Before disconnecting a hydraulic line turn engine off and operate all controls to relieve pressure Lower block or support any raised component with a hoist Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure Catch all fluid in a container Before using system check that all connections are tight and all lines are un...

Page 164: ... 10 hours Clean out with compressed air or spray wash if required Be careful not to damage fins with high pressure air or water Check more often if operating in dusty or grassy conditions Trencher Lube Trencher Tail Roller Wipe zerks clean and lube every 10 hours with EPG Lube roller zerks on both sides of boom t37om020w eps ...

Page 165: ...five zerks located on right of trencher pivot clean and lube every 10 hours with EPG Wipe four zerks located on left of trencher pivot clean and lube every 10 hours with EPG Lube Trencher Auger Bearings Lube two auger bearing zerks one on each side every 10 hours with EPG ...

Page 166: ... 10 hours Replace worn teeth using Ditch Witch replacement parts and maintaining original tooth pattern For more efficient digging contact your Ditch Witch dealer for information about the tooth pattern best suited to your jobsite If using rock chain bits check that bits rotate freely Clean chain and check bits after each use Replace bit when carbide cap or insert is worn or adapter can be damaged...

Page 167: ...ners tight Check for looseness or wear Apply Loctite 271 adhesive Check that bolts are tightened to 200 ft lb 271 N m Check Restraint Bar Position Check restraint bar position every 10 hours or anytime the digging chain is adjusted or replaced The restraint bar is properly positioned when the end of bar extends between the center of the tail roller sprocket and the end of the digging chain Check f...

Page 168: ...bolts holding personnel restraint bar trench cleaner to arm are tightened to 350 ft lb 475 N m Apply Loctite 271 adhesive Check Personnel Restraint Bar Trench Cleaner Bolts Check all bolts that mount restraint bar trench cleaner to arm every 10 hours and tighten as necessary to keep bolts tight Check for looseness or wear Apply Loctite 271 adhesive Check that bolts holding personnel restraint bar ...

Page 169: ...ts on trencher boom and pump EPG into cylinder To relieve chain tension loosen plug on grease cylinder Plow Lube Plow Pivots Lube pivots every 10 hours with EPG Pressurized fluid or air could pierce skin and cause severe injury Refer to operator s manual for proper use 270 6035 To help avoid injury Service digging boom grease cylinder only while standing on opposite side of boom Wear gloves and sa...

Page 170: ... With vibrator horizontal oil should be halfway up sight glass 2 Add MPL as needed at fill 1 Check Plow Arm Pins and Bushings Check plow arm pins and bushings every 10 hours Tighten as needed Check Plow Connector Pivots Visually check pivots every 10 hours for wear or damage Hot parts may cause burns Do not touch until cool or wear gloves ...

Page 171: ...our Check Attachment Mounting Bolts Check mounting bolts every 10 hours and tighten as necessary to keep bolts and other fasteners tight Check for looseness or wear Apply Loctite 271 adhesive Check that bolts are tightened to 200 ft lb 271 N m ...

Page 172: ...oosen bolt 1 and adjust tensioner See Deutz engine manual for more information Lube Track Pivot Bearings Lube track pivot bearings at zerk shown every 50 hours Use MPG Location Task Notes TRACTOR Check drive belt Lube track pivot bearings MPG TRENCHER Check trencher gearbox oil level MPL PLOW Change plow vibrator oil initial MPL t37om021w eps 1 t37om022w eps ...

Page 173: ...ousing If necessary add MPL at fill plug Plow Change Plow Vibrator Oil Change plow vibrator oil after first 50 hours of operation Drain oil at drain plug 2 Replace plug and move plow vibrator to horizontal position Add MPL at fill 1 until oil is halfway up sight glass 2 Refill capacity is 4 qt 3 8 L Hot parts may cause burns Do not touch until cool or wear gloves ...

Page 174: ... specifications To change 1 While oil is warm remove drain plug 3 Drain oil and replace plug 2 Remove filter 1 and replace with new filter each time oil is changed Add DEO at fill neck 2 Location Task Notes TRACTOR Change engine oil Tier 3 Initial if using fuel with sulfur content above 500 ppm 500 mg kg Check track tension Inspect track rollers and sprocket PLOW Check plow shear mounts Test plow ...

Page 175: ...there is a 1 4 gap between the tracks and the middle rollers or when grease pressure is 1400 1600 psi To adjust 1 Loosen bolts on each cylinder end 3 2 Adjust tension To tighten pump MPG into zerk 1 until track is correctly tensioned To loosen use Allen wrench to remove plug 2 and let all grease empty into suitable catch pan Install plug and follow tightening procedure 3 Tighten bolts on cylinder ...

Page 176: ...ased visually check joints for motion If motion is observed contact your Ditch Witch dealer To test lower pivot 1 Lower plow to ground 2 Use hydraulic jack to place load on lower arm 3 As hydraulic load is applied and released visually check joints for motion If motion is observed contact your Ditch Witch dealer IMPORTANT When replacing shear mounts it is important to compress the shear mounts wit...

Page 177: ...Engine Oil and Filter Change Tier 4i Change engine oil and filter every 250 hours when using motor oils meeting only API CJ 4 or ACEA E6 E9 See page 155 for more information about DEO specifications To change 1 While oil is warm remove drain plug 3 Drain oil and replace plug 2 Remove filter 1 and replace with new filter each time oil is changed Add DEO at fill neck 2 Location Task Notes TRACTOR En...

Page 178: ...50 hours with 3 4 shots of EPG Lube Axle Spindle Pins Lube axle spindle pins every 250 hours with 3 4 shots of EPG Check Ground Drive Gearbox Oil Level Check oil level at fill shown every 250 hours Keep level at raised horizontal line on gearbox Add MPL as needed t37om025w eps t37om026w eps t37om027w eps ...

Page 179: ... Check Differential Oil Level Check oil level at fill shown every 250 hours Add MPL as needed Check Planetary Wheel End Oil Level Remove track to check oil level in planetary wheel ends every 250 hours Add MPL as needed t37om028w eps t37om029w eps ...

Page 180: ...il and replace plug 2 Remove filter 1 and replace with new filter each time oil is changed Add DEO at fill neck 2 Change Fuel Filters Change fuel filters shown every 500 hours Location Task Notes TRACTOR Change engine oil and filter ONLY if using motor oil meeting Deutz specifications DQCIII LA Tier 4i or DQCIII Tier 3 Change fuel filters Change hydraulic fluid and filter THF Test coolant freeze p...

Page 181: ...d and replace plug 3 Change filter 2 4 Add THF at fill 3 Test Coolant Freeze Protection Level With engine cool test coolant freeze protection level using a hydrometer or refractometer Recommended freeze protection level is 34 F 37 C Adjust as needed If colder temperatures are expected consult your Ditch Witch dealer or coolant supplier Use pre dilluted coolant to maintain proper freeze protection ...

Page 182: ...ecking bearings 5 Replace bolt on end of headshaft 6 Remove chain from headshaft sprocket 7 Turn chain sprocket until headshaft sprocket turns If it turns easily remove a shim Plow Change Plow Vibrator Oil Change plow vibrator oil every 500 hours If normal operating temperature exceeds 100 F 38 C change plow vibrator oil every 250 hours Drain oil at drain plug 2 Replace plug and move plow vibrator...

Page 183: ...g 3 Add MPL at fill 1 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 Location Task Notes TRACTOR Change differential oil MPL Change ground drive gearbox oil MPL Change planetary wheel end oil MPL TRENCHER Change trencher gearbox oil MPL t37om033w eps t37om034w eps ...

Page 184: ...osition wheel with plug at bottom 2 Remove plug 3 Drain oil 4 Reposition wheel with plug at midway position 5 Fill with MPL to plug opening 6 Replace plug Trencher Change Trencher Gearbox Oil Change trencher gearbox oil every 1000 hours Drain at plug Replace drain plug and fill with MPL to lowest line on sight tube t37om035w eps ...

Page 185: ...0 hours Add approved coolant at fill 1 Location Task Notes TRACTOR Change engine coolant DEAC Check seatbelt and seatbelt mounting hardware NOTICE The use of non approved coolant may lead to engine damage or premature engine failure and will void engine warranty See Approved Coolant on page 158 for list of approved coolants t37om042w eps 1 2 ...

Page 186: ...elease when the seat belt is tugged Webbing Inspect seat belt webbing 2 to ensure that it is not cut frayed or showing signs of extreme or unusual wear Check the area near the buckle and latch and anywhere the seat belt has contact with equipment or seat Retractor Check that the retractor 3 operates smoothly when the belt is pulled and released Retractor should spool belt without locking Mounting ...

Page 187: ...If tension is too tight the brake lever will not engage fully Repeat steps 1 3 as necessary 5 Replace orange sleeve Location Task Notes TRACTOR Adjust parking brake Clean radiator fins Check engine compartment Drain water separators and fuel filter As indicated on dash display TRENCHER Replace digging chain PLOW Clean feed tube Replace sod cutter and blade Check plow blade bolts 210 ft lb 285 N m ...

Page 188: ...artment Keep engine compartment clear of all debris manually Do not use water or compressed air to remove debris from engine compartment Check more often if operating in large brush grassy conditions or being stored Drain Water Separators and Fuel Filter Drain water separators and fuel filter as needed WIF water in fuel indicator will indicate need Drain at plug as needed until water is removed an...

Page 189: ...en and adjust seat belt 2 Start tractor See page 84 for proper start up procedures 3 Move attachment direction speed control until digging chain connector pin is on top of boom 4 Lower boom to ground 5 Set parking brake and verify parking brake indicator is on 6 Turn ignition switch to STOP 7 Secure chain by clamping links on either side of connector pin with chain jaws Squeeze jaws to reduce pres...

Page 190: ...dicator is off 5 Move ground drive control to reverse 6 Back unit up until chain extends past head shaft about 1 305 mm 7 Move ground drive control to neutral 8 Lower backfill blade if equipped to ground 9 Lower boom to horizontal position 10 Set parking brake and verify parking brake indicator is on 11 Turn ignition switch to STOP 12 Pull rear end of chain over and about 10 260 mm past tail rolle...

Page 191: ...nd lock key 15 Tighten chain by pumping EPG into grease cylinder Time Augers Ensure that augers are balanced as shown If auger timing is off unit will bounce from side to side even in normal digging conditions To adjust timing 1 Remove bolts holding augers to auger shaft and rotate either auger as needed until augers are balanced 2 Reinstall bolts and tighten securely Plow Clean Feed Tube Clean fe...

Page 192: ...and Blade Replace worn sod cutter and plow blade as needed Check Plow Blade Bolts Check plow blade bolts as needed If loose use Loctite 242 blue and tighten bolts to 210 ft lb 285 N m Backhoe Replace Pins and Bushings Replace pins 1 and bushings 2 when worn or damaged ...

Page 193: ...Service 192 RT120Q Operator s Manual As Needed ...

Page 194: ...se to rear mount length 125 in 3 18 m L2 Length transport 166 in 4 22 m L4 Wheelbase 79 in 2 01 m W2 Width 89 in 2 26 m W4 Tread 71 in 1 80 m General Ditch Witch model RT120Q tractor 4 wheel drive rigid frame hydrostatic ground drive through rubber tracks 4 wheel steering hydrostatic attachment drive riding unit t37om038w eps L1 L1 L4 L4 A2 A2 W4 W4 H1 H1 W2 W2 L2 L2 ...

Page 195: ...ional backfill blade Front steer only 39 5 ft 12 m Coordinated steer 27 ft 8 2 m Ground clearance 15 5 in 394 mm Basic unit weight 13 600 lb 6169 kg Maximum allowable tractor weight 26 200 lb 11 884 kg Front counterweight 1300 lb 590 kg Side counterweight each 250 lb 114 kg Backfill Blade optional U S Metric Blade width 80 in 2 03 m Blade height 17 in 430 mm Lift height above ground 26 in 660 mm B...

Page 196: ...use engine damage This DOES NOT IMPLY machine is stable to maximum angle of safe engine operation Power Train Ground drive hydrostatic Differentials planetary front and rear with rear steering Service brake hydrostatic Parking brake disc hand operated Tracks 450x86x42 rubber track chevron pattern Attachment drive hydrostatic electronically operated speed infinitely variable from zero to maximum Hy...

Page 197: ...ipment may not necessarily match that described Fluid Capacities U S Metric Fuel tank 38 gal 144 L Engine oil 8 4 qt 8 L Hydraulic reservoir 20 gal 76 L Hydraulic system 25 gal 95 L Cooling system 17 qt 16 1 L Battery 2 used Group 65 SAE res cap 165 min SAE cold crank 0 F 18 C 875 amp Auxiliary power outlet 12 volt 10 amp Vibration Level Average vibration transmitted to the operator s hand and who...

Page 198: ... mm C Boom travel down 65 65 C1 Boom travel up 50 50 E1 Centerline of trench to outside edge left 45 5 in 1 12 m E2 Centerline of trench to outside edge right 36 5 in 927 mm F Headshaft height digging chain 36 in 914 mm H1 Transport height 128 in 3 25 m L2 Transport length 120 in 3 05 m L Headshaft overhang 48 5 in 1 2 m N Soil discharge reach 33 in 843 mm Attachment weight 1750 lb 794 kg ...

Page 199: ...ft speeds with RT120Q at 2300 engine rpm Ratio low 152 rpm 152 rpm Ratio standard 203 rpm 203 rpm Ratio high not recommended 247 rpm 247 rpm Digging chain speeds with RT120Q Ratio low 428 ft min 130 m min Ratio standard 572 ft min 174 m min Ratio high not recommended 694 ft min 212 m min ...

Page 200: ...mm C Boom travel down 65 65 C1 Boom travel up 50 50 E1 Centerline of trench to outside edge left 30 5 in 775 mm E2 Centerline of trench to outside edge right 19 in 483 mm F Headshaft height digging chain 39 in 991 mm H1 Transport height 130 in 3 30 m L2 Transport length 134 5 in 3 42 m L Headshaft overhang 62 5 in 1 59 m N Soil discharge reach 33 in 838 mm Attachment weight 2350 lb 1066 kg ...

Page 201: ...ft speeds with RT120Q at 2300 engine rpm Ratio low 152 rpm 152 rpm Ratio standard 203 rpm 203 rpm Ratio high not recommended 247 rpm 247 rpm Digging chain speeds with RT120Q Ratio low 428 ft min 130 m min Ratio standard 572 ft min 174 m min Ratio high not recommended 694 ft min 212 m min ...

Page 202: ...4 610 mm blade 30 30 Angle of departure transport 30 760 mm blade 24 24 H Angle of depression plow max 25 25 H2 Height transport 93 in 2 36 m J Blade ground clearance 30 760 mm blade 24 in 610 mm L2 Attachment length fully lowered no blade 97 in 2 46 m L2 Attachment length fully raised no blade 78 in 1 98 m Plow swing angle 43 43 Inclusive blade steer angle 89 89 Center of plow to outside edge of ...

Page 203: ...enter of plow to outside edge of machine right 45 5 in 1 16 m Operation U S Metric Plow vibrator force 1800 rpm 35 215 lb 157 kN Maximum material diameter Pulled 3 in 80 mm Fed 2 in 50 mm General U S Metric Attachment weight without plow blade 2600 lb 1180 kg Counterweight required Contact your local Ditch Witch dealer for counterweight requirements ...

Page 204: ...B Trench width 6 12 in 150 300 mm C1 Boom travel up 44 44 C Boom travel down 60 60 F Headshaft height digging chain 31 in 790 mm L2 Transport length 48 boom 111 in 2 19 m D Transport height 48 boom 96 in 2 44 m E1 Center of trench to outside edge left 13 in 330 mm E2 Center of trench to outside edge right 76 in 1 93 m N Spoil discharge reach minimum 19 in 480 mm ...

Page 205: ...as outside of digging chain guard Operation U S Metric Maximum headshaft speed at 2300 engine rpm Ratio low 229 rpm 229 rpm Ratio standard 280 rpm 280 rpm Ratio high not recommended 377 rpm 377 rpm Maximum digging chain speed Ratio low 644 ft min 196 m min Ratio standard 787 ft min 240 m min Ratio high 1059 ft min 323 m min ...

Page 206: ... 24 A3 Angle of departure transport no blade 47 5 47 5 H Angle of depression plow max 25 25 H2 Height transport 93 in 2 36 m J Blade ground clearance 30 760 mm blade 24 in 610 mm L2 Attachment length fully lowered no blade 97 in 2 46 m L2 Attachment length fully raised no blade 78 in 1 98 m Plow swing angle left 0 0 Plow swing angle right 43 43 Inclusive blade steer angle 89 89 Center of plow to o...

Page 207: ...plow to outside edge of machine right 48 in 1 22 mm Operational U S Metric Plow vibrator force 1800 rpm 35 215 lb 156 644 kN Maximum material diameter Pulled 3 in 76 mm Fed 2 in 51 mm General U S Metric Attachment weight without boom chain or plow blade 3465 lb 1567 kg Counterweight required Contact your local Ditch Witch dealer for counterweight requirements ...

Page 208: ...ength stowed 117 in 2 97 m F Digging depth max 108 in 2 74 m G Digging depth 2 0 6 m flat bottom 105 in 2 67 m J Operating height fully raised 160 in 4 06 m K Loading height 108 in 2 74 m L Loading reach 78 in 1 98 m M Reach from swing pivot 158 in 4 01 m N Swing pivot to centerline axle 57 in 1 45 m P Bucket rotation 170 170 B Stabilizer spread transport 86 in 2 18 m ...

Page 209: ...c Bucket Width 12 24 in 305 610 mm Capacity 1 7 3 5 ft3 0 05 1 m3 Backhoe weight with 18 686 mm bucket 3300 lb 1497 kg Lift capacity boom over end and swing arc SAE 48 1 2 m 1170 lb 530 kg ground level 1250 lb 567 kg 72 1 8 m 1184 lb 537 kg Lift capacity dipperstick over end and swing arc SAE 52 1 3 m 3184 lb 1444 kg 96 2 4 m 2242 lb 1017 kg Swing arc 180 180 Digging force Using bucket cylinder 66...

Page 210: ... S Metric L5 Distance from backfill blade to outside edge of reel carrier with maximum diameter reel 74 in 1 88 m N Maximum reel diameter 84 in 2 13 m Internal width 54 in 1 37 m Capacity 2500 lb 1134 kg Attachment weight with six 90 lb 41 kg counterweights 1600 lb 726 kg t37om040w eps N N L5 L5 ...

Page 211: ...03 m Trench width 4 5 6 8 in 115 150 203 mm D Transport height attachment 130 in 3 3 m Height wheel on ground 102 in 2 6 m L2 Overall length wheel on ground 122 5 in 3 1 m J Ground clearance at wheel 27 in 700 mm A3 Angle of departure 24 24 Attachment weight 5900 lb 2675 kg t37om049w eps L2 L2 D D J J A A A3 A3 ...

Page 212: ... Witch XXXX Type machine type Engine Power xxx kW Serial Number CMWXXXXXXXXXXXXXX Conforms to the requirements of 2006 42 EC Machinery Directive 2004 108 EC Electromagnetic Compatibility Directive 2000 14 EC Noise Emission Directive Measured sound power level Annex V xxx dBA Guaranteed sound power level Annex V xxx dBA The Technical Construction File is maintained at the manufacturer s location Th...

Page 213: ...Specifications 212 RT120Q Operator s Manual Declaration of Conformity Information ...

Page 214: ...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 Resources Publications Contact your Ditch Witch dealer for publications and videos covering safety operation service and repair of your equ...

Page 215: ...BILITY IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES AS DEFINED BY THE UNIFORM COMMERCIAL CODE THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE NO IMPLIED WARRANTIES OF ANY KIND WHICH EXTEND TO A COMMERCIAL BUYER ALL OTHER PROVISIONS OF THIS LIMITED WARRANTY APPLY INCLUDING THE DUTIES IMPOSED Ditch Witch products have been tested to deliver acceptable performa...

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Page 218: ...RT120Q Operator s Manual Service Record 217 Service Record Service Performed Date Hours ...

Page 219: ...Service Record 218 RT120Q Operator s Manual Service Performed Date Hours ...

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