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Specifications - 190

RT45 Operator’s Manual

MT12 MicroTrencher

Dimensions

U.S.

Metric

Angle of departure

19°

Trench depth, 1-in (25-mm) increments

6.5-12.5 in

165-318 mm

Blade diameter

34 in

864 mm

Attachment height, transport

68 in

1.72 m

H12

Ground clearance at wheel

24 in

610 mm

Length, transport, from centerline of rear axle

75 in

1.90 m

L2’

Working length, from centerline of rear axle (not shown)

81 in

2.06 m

Length, transport, from front of attachment

64 in

1.62 m

Saw offset distance

24 in

610 mm

Centerline of saw to centerline of unit, minimum offset

5.3 in

135 mm

Maximum working width

67 in

1.70 m

Trench Width

0.75-1.25 in

19-32 mm

Summary of Contents for RT45

Page 1: ...RT45 Operator s Manual 053 1982 Issue 4 0 ...

Page 2: ...ator 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: ...n Record serial numbers and date of purchase in spaces provided RT45 2 and engine 1 serial numbers are located as shown Date of manufacture Date of purchase RT45 serial number Engine serial number Front attachment serial number Rear attachment serial number Trailer serial number ...

Page 4: ...edures Equipment Modification This equipment 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 regula...

Page 5: ...view 4 RT45 Operator s Manual Unit Components Unit Components 1 Rollover Protective Structure ROPS 2 Right console 3 Left console 4 Operator s station 5 Center console 6 Engine compartment 7 Backfill blade ...

Page 6: ...s machine 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 ...

Page 7: ...Overview 6 RT45 Operator s 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 equipme...

Page 9: ...1982 Copyright 2009 2010 2012 2015 by The Charles Machine Works Inc Ditch Witch and Roto Witch are registered trademarks of The Charles Machine Works Inc This product is covered by one or more of the following patents U S D640290 D640291 D640292 and 8375605 with other U S and foreign patents pending ...

Page 10: ...cators and how to use them 27 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 59 Prepare procedures for inspecting and classifying the jobsite planning the installation path and preparing the jobsite for work 63 Drive procedures for startup cold start driving and shut...

Page 11: ... rinsing and storing equipment 131 Service service intervals and instructions for this machine including lubrication replacement of wear items and basic maintenance 133 Specifications machine specifications including weights measurements power ratings and fluid capacities 175 Support the warranty policy for this machine and procedures for obtaining warranty consideration and training 193 Service R...

Page 12: ...s Guidelines 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 Classifications 17 Machine Safety Alerts 18 ...

Page 13: ...ools and machinery safety equipment and work methods for jobsite Mark jobsite clearly and keep spectators away Wear personal protective 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 ditchwitch com resources safety Replace missing or damaged safety ...

Page 14: ...rk 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 or if strike alarm sounds or flashes assume an electric strike has occurred Jobsite hazards could cause death or serious injury Use correct equipment and work methods ...

Page 15: ...ion of a strike wait at least one full minute before moving away from equipment Utility might use automatic reclosers which will restart current flow If alarm sounds again while waiting stay where you are until electric company shuts off power If alarm does not sound but all lights in strike indicator are on assume strike is continuing and stay where you are until electric company shuts off power ...

Page 16: ...ckly 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 cau...

Page 17: ...ches 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 emerg...

Page 18: ...els 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: ...ty Alerts Machine Safety Alerts 1 Read operator s manual Know how to use all controls Your safety is at stake 273 475 2 Hot parts may cause burns Do not touch until cool or wear gloves 273 423 3 Rollover could kill or crush Wear seat belt 275 303 ...

Page 20: ...erts 4 Runaway possible Start from operator s position only 275 070 5 Fall possible Riders can fall from machine and be injured or killed Only operator is allowed on machine 273 487 6 Tiedown location See Transport chapter for more information 274 318 ...

Page 21: ...313 1 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 274 002 2 Lift point See Transport chapter for more information 274 442 3 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away ...

Page 22: ... digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 274 002 2 Lift point See Transport chapter for more information 274 442 3 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away ...

Page 23: ...Safety 22 RT45 Operator s Manual Attachment Safety Alerts H331 1 Lift point See Transport chapter for more information 274 442 ...

Page 24: ...ual Safety 23 Attachment Safety Alerts H350 1 Moving digging teeth will cause death or serious injury Trench cave in can cause you to fall Stay away 274 002 2 Lift point See Transport chapter for more information 274 442 ...

Page 25: ...jects thrown by machine may strike people Wear safety glasses and hard hat 275 193 3 Moving digging teeth will cause serious injury or death Stay away 275 443 4 Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away 275 326 5 Lift point See Transport chapter for more information 274 442 ...

Page 26: ...arts could cut off hand Keep hands away 275 184 2 Tiedown location See Transport chapter for more information 274 318 3 Lift point See Transport chapter for more information 274 442 4 Flying objects thrown by machine may strike people Wear safety glasses and hard hat 275 193 ...

Page 27: ...se serious injury or death Stay away 275 443 6 Hot parts may cause burns Do not touch until cool or wear gloves 275 355 7 Fall possible Riders can fall from machine and be injured or killed Only operator is allowed on machine 273 487 1 Turning shaft will kill you or crush arm or leg Stay away 275 197 ...

Page 28: ...ter Contents Center Console 28 Gauges 28 Indicators 30 Controls 33 Right Fender 35 Tractor Controls 35 Trencher Controls 38 Plow Controls 40 Combo Controls 42 Saw Controls 44 Microtrench Controls 46 Left Fender 50 Seat 52 Backhoe Console 53 Engine 57 ...

Page 29: ...e Gauges 1 Fuel gauge 2 Voltmeter 3 Hourmeter Item Description Notes 1 Fuel gauge Displays fuel level in tank Fuel tank holds 13 gal 49 L NOTICE Use low sulfur or ultra low sulfur fuel only 2 Voltmeter Displays system voltage Should show 12 14V with engine running ...

Page 30: ...RT45 Operator s Manual Controls 29 Center Console 3 Hourmeter Records engine operating time Use engine operating times to schedule service Item Description Notes ...

Page 31: ... wait indicator 5 Operator presence indicator 6 Attachment drive neutral indicator 7 Ground drive neutral indicator optional Item Description Notes 1 Engine oil pressure indicator Lights when oil pressure falls below 8 12 psi 5 8 bar Light will come on briefly when engine is started If light remains on Turn off engine Check oil level If pressure is still low consult engine manual ...

Page 32: ...luid overheats Light will come on briefly when engine is started If light remains on Check that engine fan is turning when engine is running Turn off engine and let it cool Check hydraulic fluid level Check front of hydraulic fluid cooler for debris 4 Cold start wait indicator Lights when intake air pre heater is operating Wait until light goes off before starting engine 5 Operator presence indica...

Page 33: ...art engine operator must be in seat attachment drive control must be in neutral and ground drive control must be in neutral 7 Ground drive neutral indicator Lights when ground drive control is in neutral Part of the start interlock system To start engine operator must be in seat attachment drive control must be in neutral and ground drive control must be in neutral Item Description Notes ...

Page 34: ... Center Console Controls 1 Auxiliary outlet 2 Drilling attachment control 3 Horn 4 Ignition switch 5 Ground drive foot control optional Item Description Notes 1 Auxiliary outlet Provides power for other equipment Power output is 12V 5A ...

Page 35: ...109 3 Horn To sound horn press 4 Ignition switch To start engine insert key and turn clockwise To stop engine turn counterclockwise If engine does not start on first attempt check that all start interlock requirements have been met return switch to STOP and try again 5 Ground drive foot control To move tractor forward push top of pedal To move tractor backward push bottom of pedal To increase spee...

Page 36: ...anual Controls 35 Right Fender Right Fender Tractor Controls 1 Ground drive speed direction control 2 Rear steer indicator 3 Backfill blade control 4 Backfill blade tilt control 5 Rear steer control 6 Throttle optional ...

Page 37: ...ve farther from center To stop move to neutral Control does not automatically return to neutral position when released 2 Rear steer indicator Rotates to display position of rear wheels 3 Backfill blade control To lower blade push To put blade in float push fully forward To raise blade pull To swing blade to right move right To swing blade to left move left c00ic251h eps c00ic252h eps ...

Page 38: ...tilt left side of blade down pull 5 Rear steer control To turn rear wheels right push until wheels reach desired position then release To turn rear wheels left pull until wheels reach desired position then release 6 Throttle To increase engine speed push To decrease engine speed pull Item Description Notes c00ic253h eps ...

Page 39: ... Backfill blade tilt trencher slide selector H314 only Item Description Notes 1 Trencher slide control To slide trencher right push To slide trencher left pull Note Control configuration with rear steer option is shown in main illustration Control configuration without rear steer is shown in balloon c00ic198h eps ...

Page 40: ... Controls 39 Right Fender 2 Boom lift control To lower push To raise pull 3 Backfill blade tilt trencher slide selector To control backfill blade tilt push To control trencher slide pull Item Description Notes c00ic263h eps ...

Page 41: ...lift control 3 Backfill blade tilt plow swing selector Item Description Notes 1 Plow swing control To swing left pull To swing right push Note Control configuration with rear steer option is shown in main illustration Control configuration without rear steer is shown in balloon c00ic202h eps ...

Page 42: ...low lift control To raise pull To lower push 3 Backfill blade tilt plow swing selector To control backfill blade tilt push To control plow swing pull Use when optional 6 way backfill blade is installed Item Description Notes c00ic204h eps c00ic264h eps ...

Page 43: ... 2 Trencher plow select control Item Description Notes 1 Trencher Plow lift control To raise selected attachment pull To lower selected attachment push Note Control configuration with rear steer option is shown in main illustration Control configuration without rear steer is shown in balloon ...

Page 44: ...RT45 Operator s Manual Controls 43 Right Fender 2 Trencher plow select control To select plow push To select trencher pull Item Description Notes ...

Page 45: ...ift control 3 Backfill blade tilt saw swing selector Item Description Notes 1 Saw swing control To swing saw to left pull To swing saw to right push Note Control configuration with rear steer option is shown in main illustration Control configuration without rear steer is shown in balloon ...

Page 46: ...Manual Controls 45 Right Fender 2 Saw lift control To lower push To raise pull 3 Backfill blade tilt saw swing selector To control backfill blade tilt push To control saw swing pull Item Description Notes c00ic264h eps ...

Page 47: ...der Microtrencher Controls Tractor 1 Traverse slide control 2 Level control 3 Lift control 4 Backfill blade tilt Traverse selector Item Description Notes 1 Traverse slide control To slide microtrencher right push To slide microtrencher left pull ...

Page 48: ...crotrencher push To raise rear of microtrencher pull 3 Lift control To lower push To raise pull 4 Backfill blade tilt Traverse selector To control backfill blade tilt push To control microtrencher traverse pull Use when optional 6 way backfill blade is installed Item Description Notes ...

Page 49: ...Saw swing lock handle To lock move handle toward tractor To unlock move handle toward microtrencher Operate with microtrencher locked in most situations 2 Manual tilt adjustment Turn screw in to adjust angle left Turn screw out to adjust angle right Use manual tilt adjustment and bubble level together to adjust microtrencher to match jobsite conditions See Adjust Tilt on page 117 ...

Page 50: ... tilt adjustment and bubble level together to adjust microtrencher to match jobsite conditions See Adjust Tilt on page 117 4 Level indicator Indicates when base of microtrencher is level with pavement Use lift and level controls together to adjust microtrencher base until it is flat on pavement Item Description Notes ...

Page 51: ...0 RT45 Operator s Manual Left Fender Left Fender 1 Parking brake 2 Work light switch 3 Attachment speed direction control optional Item Description Notes 1 Parking brake To set pull To release push c00ic268h eps ...

Page 52: ...tart plow vibrator box push To rotate attachment backward pull To go faster in either direction move farther from center To stop attachment rotation or plow vibrator box move to neutral Control does not return to neutral when released NOTICE When operating plow do not pull control to reverse Operating plow in reverse could cause damage to equipment Item Description Notes c00ic254h eps ...

Page 53: ...e 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 Seat slide control To slide seat forward or backward pull or push left then adjust seat To lock seat in place release ...

Page 54: ...Swing control 3 Left stabilizer control 4 Right stabilizer control 5 Bucket Dipper control 6 Remote engine stop switch 7 Seat latch 8 Neutral switch standard or Remote ground drive control optional 9 Mechanical stow lock control 10 Work light switch optional t14om073h eps 1 2 3 4 5 6 7 8 9 10 ...

Page 55: ...a time By feathering the control operator can combine backhoe operations NOTICE Do not operate with backhoe in the stowed upright position Component failure could occur 3 Left stabilizer control To lower pull To raise push 4 Right stabilizer control To lower pull To raise push 5 Bucket Dipper control To open bucket move right To close bucket move left To move dipper in pull To move dipper out push...

Page 56: ...ote ground drive control optional To move tractor forward press switch use bucket dipper control to move tractor and release switch NOTICE Do not use this method to move tractor more than a few feet To move tractor forward press top To move tractor backward press bottom NOTICE Ensure that backfill blade and stabilizers are raised before operating this control Do not move more than 30 10 m at a tim...

Page 57: ...Controls 56 RT45 Operator s Manual Backhoe Console 10 Work light switch To turn on press right To turn off press left Item Description Notes ...

Page 58: ...tion indicator 2 Battery disconnect switch Item Description Notes 1 Air filter restriction indicator When restriction indicator reaches the red zone change air filter Reset after replacing filter For more information See Check Air Filter Restriction Indicator on page 142 ...

Page 59: ...Controls 58 RT45 Operator s Manual Engine 2 Battery disconnect switch To disconnect move switch so that indicator points left To connect move switch so that indicator points right Item Description Notes ...

Page 60: ...RT45 Operator s Manual Operation Overview 59 Operation Overview Chapter Contents Planning 60 Trenching 60 Plowing 60 Sawing 61 Drilling 61 Digging with Backhoe 62 Microtrenching 62 Leaving Jobsite 62 ...

Page 61: ...ipment See page 68 6 Haul equipment to jobsite See page 79 Trenching 1 Start unit See page 70 2 Position tractor and controls See page 84 3 Begin trenching See page 85 4 Complete the installation See page 85 5 Backfill the trench See page 132 6 Shut down tractor See page 72 Plowing 1 Start unit See page 70 2 Position tractor and controls See page 89 3 Attach product See page 89 4 Begin plowing See...

Page 62: ...ackfill the trench See page 132 6 Shut down tractor See page 72 Drilling 1 Start unit See page 70 2 Dig approach trench and target trench See page 107 3 Assemble drill string and position tractor See page 107 4 Begin drilling See page 109 5 Use drill string guide as needed See page 110 6 Add rod See page 111 7 Backream See page 111 8 Shut down tractor See page 72 9 Disassemble joints See page 112 ...

Page 63: ...e 102 5 Shut down tractor See page 72 Microtrenching 1 Start unit See page 70 2 Position tractor and controls See page 114 3 Begin trenching See page 121 4 Complete the installation See page 122 5 Backfill the trench See page 132 6 Shut down tractor See page 72 Leaving Jobsite 1 Backfill if necessary See page 132 2 Rinse equipment See page 132 3 Stow tools See page 132 4 Haul equipment away from j...

Page 64: ... Call Services 64 Arrange for Traffic Control 64 Plan for Emergency Services 64 Inspect Site 65 Identify Hazards 65 Classify Jobsite 66 Inspect Jobsite 66 Select a Classification 66 Apply Precautions 67 Check Supplies and Prepare Equipment 68 Supplies 68 Fluid Levels 68 Condition and Function 68 Accessories 68 ...

Page 65: ...ce at the same time Notify One Call Services Contact your local One Call 811 in USA or the One Call referral number 888 258 0808 in USA and Canada to have underground utilities located before digging Also contact any utilities that do not participate in the One Call service Arrange for Traffic Control If working near a road or other traffic area contact local authorities about safety procedures an...

Page 66: ... on page 66 Jobsite hazards could cause death or serious injury Use correct equipment and work methods Use and maintain proper safety equipment To help avoid injury Wear personal protective equipment including hard hat safety eye wear and hearing protection Do not wear jewelry or loose clothing Notify One Call and companies which do not subscribe to One Call Comply with all utility notification re...

Page 67: ...les manhole covers sunken ground Have an experienced locating equipment operator sweep area within 20 6 m to each side of trench path Verify previously marked line and cable locations Mark location of all buried utilities and obstructions Classify jobsite Select a Classification Jobsites are classified according to underground hazards present If working then classify jobsite as within 10 3 m of a ...

Page 68: ...s 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 water spray or other means to control dust Refer to U S Departmen...

Page 69: ...harge engine oil Condition and Function digging chain and teeth fan belts light bulbs filters air oil hydraulic tires pumps and motors hoses and valves signs guards and shields Accessories Fire Extinguisher If required mount a fire extinguisher near the power unit but away from possible points of ignition The fire extinguisher should always be classified for both oil and electric fires It should m...

Page 70: ...RT45 Operator s Manual Drive 69 Drive Chapter Contents Start Unit 70 Drive 72 Shut Down 72 ...

Page 71: ...e operating equipment Follow instructions carefully Contact Ditch Witch dealership for operation information or demonstration 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 Machine could run over you or others Learn how to use all controls Start and operate only from operator s position 2...

Page 72: ...rlock information If engine turns but does not start within 10 seconds allow starter to cool before trying to start again 7 Run engine at half throttle or less for five minutes before operating tractor During warmup check that all controls work properly Explosion possible Serious injury or equipment damage could occur Follow directions carefully To help avoid injury Do not use ether or any other t...

Page 73: ... tough press the lower part of foot pedal to slow digging speed When original digging condition resumes release foot pedal to return to original speed Shut Down 1 When job is complete move ground drive control to neutral 2 Set parking brake 3 Lower all attachments to ground 4 Move throttle to idle for 3 minutes to cool engine 5 Turn ignition switch to STOP If leaving machine unattended remove key ...

Page 74: ...RT45 Operator s Manual Transport 73 Transport Chapter Contents Lift 74 Points 74 Procedure 75 Tie Down 78 Points 78 Procedure 78 Haul 79 Procedure 79 Tow 82 Procedure 82 ...

Page 75: ...fied by lifting decals Lifting at other points is unsafe and can damage machinery Crushing weight If load falls or moves it could kill or crush you Use proper procedures and equipment or stay away Read operator s manual Know how to use all controls Your safety is at stake 273 475 ...

Page 76: ...e 175 for size and weight of machine H313 H314 Trenchers Use crane capable of supporting the equipment s size and weight See page 180 or measure and weigh equipment before lifting H331 Plow Use crane capable of supporting the equipment s size and weight See page 182 or measure and weigh equipment before lifting NOTICE Do not lift tractor with installed attachment NOTICE Do not lift tractor with in...

Page 77: ...s Manual Lift H350 Combo Use crane capable of supporting the equipment s size and weight See page 184 or measure and weigh equipment before lifting NOTICE Do not lift tractor with installed attachment t28om090h eps t28om089h eps ...

Page 78: ...pment s size and weight See page 186 or measure and weigh equipment before lifting MT12 MicroTrencher Use crane capable of supporting the equipment s size and weight See page 190 or measure and weigh equipment before lifting NOTICE Do not lift reel carrier with reel installed Do not lift tractor with installed attachment NOTICE Do not lift tractor with installed attachment NOTICE Do not lift tract...

Page 79: ...d by tiedown decals Securing to trailer at other points is unsafe and can damage machinery Procedure Tractor Attach chains at front and rear tiedown points Make sure chains are tight before transporting unit Read operator s manual Know how to use all controls Your safety is at stake 273 475 ...

Page 80: ...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 to avoid trailer ...

Page 81: ...e 9 Lower attachments to trailer bed and turn tractor off See page 72 for proper shutdown procedures 10 Attach chains to tractor and attachments where tiedown decals are located See page 78 Crushing weight If load falls or moves it could kill or crush you Use proper procedures and equipment or stay away To help avoid injury Attach trailer to tow vehicle before loading or unloading Load and unload ...

Page 82: ...red 6 Disengage parking brake 7 Slowly back unit down trailer or ramps Crushing weight If load falls or moves it could kill or crush you Use proper procedures and equipment or stay away To help avoid injury Attach trailer to tow vehicle before loading or unloading Load and unload trailer on level ground Block trailer wheels Rollover possible If machine rolls over you could be thrown from seat and ...

Page 83: ...ht Procedure 1 Attach tow line to all available tiedown points facing towing vehicle 2 Bypass hydraulic system Remove tunnel cover and loosen bypass valve two turns Valve is on right rear of front pump 3 Fasten seat belt 4 Disengage parking brake 5 Check that ground drive and attachment speed direction controls are in neutral position Read operator s manual Know how to use all controls Your safety...

Page 84: ...RT45 Operator s Manual Trench 83 Trench Chapter Contents Setup 84 Operation 85 ...

Page 85: ...oid 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 Use and maintain proper safety equipment To help avoid injury Comply with all utility notification regulations before dig...

Page 86: ... is at stake 273 475 To help avoid injury Comply with all utility notification regulations before digging or drilling Notify companies that do not subscribe to One Call Flying objects thrown by machine may strike people Wear hard hat and safety glasses 275 193 Moving digging teeth will cause death or serious injury Stay away 275 443 To help avoid injury Ensure parking brake is engaged Allow 3 1 m ...

Page 87: ...low idle 12 Raise boom 13 As boom clears top of trench move attachment speed direction control to neutral 14 Drive a short distance away from work site 15 Shut down tractor See page 72 for proper shutdown procedures 16 Return optional trench cleaner to the stowed position NOTICE Always start trenching with attachment speed set at low If soil conditions permit optimum digging at higher speeds selec...

Page 88: ...RT45 Operator s Manual Plow 87 Plow Chapter Contents Setup 88 Position Tractor 89 Attach Product 89 Operation 91 ...

Page 89: ...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 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 all attachments are raised ...

Page 90: ...Move in line with planned trench See page 72 for operating procedures 4 Lower backfill blade 5 Engage parking brake 6 Lower plow to starting point of trench 7 Turn ignition switch to STOP Attach Product To 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 target trenches ...

Page 91: ...Plow 90 RT45 Operator s Manual Setup To Feed Product 1 Remove cable guide 2 Feed cable through tube from top to bottom 3 Replace cable guide and tighten fasteners 4 Secure cable ...

Page 92: ...uipment or stay away Electric shock will cause death or serious injury Stay away 274 049 To help avoid injury Expose lines by hand before digging Cutting high voltage cable can cause electrocution Read operator s manual Know how to use all controls Your safety is at stake 273 475 NOTICE Do not drive backward with plow in the ground ...

Page 93: ...uring plowing Run continuity checks on electric cable and check pipe pressure Damage can result from improper operation incorrect blade choice striking underground obstructions or other conditions Finish Plowing 1 When installation is complete move ground drive control to neutral 2 With vibrator running lower throttle speed and raise plow to ground level 3 Move attachment speed direction control t...

Page 94: ...RT45 Operator s Manual Saw 93 Saw Chapter Contents Setup 94 Before First Use and After Replacing Bits 95 Normal Use 95 Operation 96 Start Sawing 97 Finish Sawing 97 ...

Page 95: ...ake 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 Use and maintain proper safety equipment To help avoid injury Comply with all utility notification regulations before digging or drilling Read operator s manual Know how ...

Page 96: ...art tractor See page 70 for start up procedures 3 Raise saw and drive to starting point Move in line with planned trench See page 72 for correct operating procedures 4 Lower backfill blade 5 Engage parking brake 6 Lower saw to just above ground 7 Hold skid shoe and remove pins from one stabilizer 8 Lower skid until distance from bottom of skid shoe to bottom of saw bits equals desired trench depth...

Page 97: ...ge cable can cause electrocution Read operator s manual Know how to use all controls Your safety is at stake 273 475 Flying objects thrown by machine may strike people Wear hard hat and safety glasses Moving digging teeth will kill you or cut off arm or leg Stay away To help avoid injury Allow 3 1 m between digging teeth and obstacle Machine might jerk when digging starts Keep everyone at least 6 ...

Page 98: ...hort distance away from work site 5 Shut down tractor See page 72 for correct shutdown procedures 6 Wash bits and mounting blocks with high pressure water before parking unit overnight IMPORTANT Before operating saw check bits for free rotation Tap bits lightly with a hammer and turn by hand If bits are stuck remove and clean packed soil from bit block Work slowly and carefully Saw use is not reco...

Page 99: ...Saw 98 RT45 Operator s Manual Operation ...

Page 100: ...RT45 Operator s Manual Backhoe 99 Backhoe Chapter Contents Setup 100 Operation 101 Dig 101 Move Unit 101 Stowing 102 ...

Page 101: ...chment to 6 150 mm above ground 5 Check that backfill blade is straight and lower it to ground 6 Decrease engine speed to low throttle 7 Move to backhoe operator s station 8 Release seat lock shown and move seat into operating position 9 Lower stabilizers enough to lift front tires 10 Disengage stow lock 11 Adjust engine speed to 1 2 to 3 4 throttle for digging IMPORTANT Engine speed affects speed...

Page 102: ...om the backhoe operator s station using the ground drive neutral function standard 1 Raise stabilizers 2 Press ground drive neutral switch 3 Use bucket and dipper to move unit 4 Lower stabilizers To move unit from the backhoe operator s station using the remote ground drive function optional 1 Raise stabilizers 2 Raise backfill blade 3 Use remote ground drive switch to move unit 4 Lower stabilizer...

Page 103: ...ift boom while keeping dipper pointed at ground 2 Curl bucket closed and move dipper fully toward boom 3 Lift boom to highest position and engage stow lock IMPORTANT Before returning to tractor operator station raise stabilizers return remote throttle to low idle and stow and lock boom ...

Page 104: ...RT45 Operator s Manual Backhoe 103 4 Raise stabilizers 5 Return remote throttle to low idle 6 Rotate seat into stowed position and engage seat lock shown ...

Page 105: ...Backhoe 104 RT45 Operator s Manual ...

Page 106: ... Drill Chapter Contents Drilling Attachment 106 Prepare Jobsite and Equipment 107 Approach Trench 107 Target Trench 107 Drill Rod and Equipment 108 Drill 109 Using Drill String Guide 110 Add Rod 111 Backream 111 Disassemble Joints 112 ...

Page 107: ...hazards could cause death or serious injury Use correct equipment and work methods Use and maintain proper safety equipment To help avoid injury Set up warning barriers and keep people away from equipment and jobsite while drilling Read operator s manual Know how to use all controls Your safety is at stake 273 475 Improper control function could cause death or serious injury If control does not wo...

Page 108: ...should be at least deep enough for pipe to lay flat and enter soil at correct angle 20 6 m long 4 100 mm wide IMPORTANT The actual length of the target trench depends on soil conditions and length of pipe sections Make it deep enough for drill bit to enter slightly above the trench floor An alternative to digging a target trench is to use an electronic tracker to locate the bit then dig down with ...

Page 109: ...all drill bit to the cutting end of the drill string 3 Put drill string in approach trench 4 Move tractor to the approach trench and align the drilling attachment with the intended bore path 5 Turn off engine 6 Attach drill string to drilling attachment NOTICE More than 10 15 3 4 5 m of drill rod out of the trench increases the tendency of drill rod to bend ...

Page 110: ...ontrol and turn ignition switch to STOP NOTICE Drilling too quickly causes bit to drift off course and may bend drill rod After bore path is established speed may be slightly increased If drill rod starts to bend stop forward movement of unit and back the unit slightly until rod straightens Do not drill with bent rod If drill rod hits an obstruction rotate drill string counterclockwise to back up ...

Page 111: ...ill string guide to control only the first 5 1 5 m of the bore path After drilling 5 1 5 m stop unit and remove drill string guide Do not use drill string guide during backreaming or any time the drill string is being pulled back Turning shaft will kill you or crush arm or leg Stay away 275 197 To help avoid injury Do not straddle trench or drill rod while drilling Keep everybody at least 10 3 m a...

Page 112: ...nt Backream After drill bit enters target trench the bore hole may be enlarged by changing the drill bit to a backreamer and drawing it back through the initial bore 1 Turn tractor ignition switch to STOP 2 Replace drill bit with backreamer 3 Start tractor engine and begin clockwise rotation 4 Slowly back up tractor while maintaining rotation 5 When backreamer exits the bore hole stop rotation imm...

Page 113: ...Drill 112 RT45 Operator s Manual Disassemble Joints Disassemble Joints 1 Press tab through hole in female side of joint 1 using special tool or screwdriver 2 Pull rods apart 2 ...

Page 114: ...nual Microtrenching 113 Microtrenching Chapter Contents Setup 114 Before First Use and After Replacing Bits 115 Normal Use 116 Operation 120 Begin Trenching 121 Stop Trenching 122 Microtrenching with a Trench Cleaner 123 ...

Page 115: ...ke 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 Use and maintain proper safety equipment To help avoid injury Comply with all utility notification regulations before digging or drilling Read operator s manual Know how t...

Page 116: ... do not hit frame Install blade cover Fasten and adjust seat belt Start tractor and adjust throttle Raise microtrencher slightly Use attachment speed direction control to rotate blade slowly Listen for clicking sounds If clicking is present turn off tractor and repeat steps 1 6 Read operator s manual Know how to use all controls Your safety is at stake 273 475 To help avoid injury Perform all serv...

Page 117: ...anned trench and that tires are pointing straight ahead Adjust Trench Depth Blade 1 Shut down tractor and remove blade see page 172 2 Remove 4 bolts 2 3 Lift or lower blade motor to desired depth Use the depth decal 1 as a guide 4 Install bolts and tighten nuts to 200 ft lb 271 N m Spoils Deflector 1 Remove blade cover 2 Remove bolts and nuts that retain the inside spoils deflector 3 Position spoi...

Page 118: ...en clamp bolts Adjust Level Indicator 1 Shut down tractor and remove blade 2 Using lift control and level control position base of microtrencher flat on pavement 3 Loosen bolts 1 in adjustable link and align moving pointer 2 with fixed pointer 4 Tighten bolts IMPORTANT Microtrenching requires good contact between the microtrencher frame and the surface being cut Use lift control level control and ...

Page 119: ...ed for best results Full vacuum flow to the microtrencher is necessary for best spoils removal Without Vacuum Excavator 1 Cap vacuum hose on tractor 2 Remove chute plates 1 3 Install spoils chutes 2 Read operator s manual Know how to use all controls Your safety is at stake 273 475 To help avoid injury Do not operate without blade cover and chutes or chute plates installed IMPORTANT Ensure that va...

Page 120: ...d trench path with paint 2 Attach chain to backfill blade 3 Adjust backfill blade until chain is in line with microtrencher blade 4 Monitor chain periodically while trenching to ensure chain follows paint line during operation 5 Remove chain from backfill blade before transporting tractor ...

Page 121: ...unterweights to make front and rear loads balance when all attachments are raised Contact your Ditch Witch dealer about counterweighting for your equipment Flying objects thrown by machine may strike people Wear hard hat and safety glasses 275 193 To help avoid injury Never operate microtrencher without blade cover installed Keep everyone away from machine Moving digging teeth will kill you or cut...

Page 122: ... turn by hand If bits are stuck remove and clean packed soil from bit block Work slowly and carefully Microtrencher is not recommended for soft wet or sticky soil conditions Read operator s manual Know how to use all controls Your safety is at stake 273 475 IMPORTANT When possible lower microtrencher into softer material then move into harder or abrasive material For example lower microtrencher in...

Page 123: ...r See page 72 for correct shutdown procedures 6 Wash bits and mounting blocks with high pressure water before parking unit overnight NOTICE Do not attempt to trench a radius smaller than 40 12 2 m Serious damage to microtrencher and or blade may result Release swing lock when cutting curved trenches IMPORTANT Ground drive speed direction can be controlled with foot pedal or hand lever When trenchi...

Page 124: ...ove trench cleaner from stowed position shown 5 Set trench cleaner to desired depth by matching number of holes below trench cleaner mounting pin to number of holes below blade motor as shown Trench cleaner should be close to but not touching blade 6 Start blade rotation and slowly lower microtrencher into trench to continue trenching 7 When finished stop trenching and return trench cleaner to sto...

Page 125: ...Microtrenching 124 RT45 Operator s Manual Operation ...

Page 126: ...ment Chapter Contents Chain Teeth and Sprockets 126 Chain and Tooth Maintenance 126 Chain Types 126 Chain Selection 127 Optional Equipment 128 RT45 Tractor 128 H313 H314 Trencher 128 H331 Plow 128 H342 Saw 129 A323 Backhoe 129 MT12 MicroTrencher 129 Counterweights 130 ...

Page 127: ...re 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 145 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...

Page 128: ...ded 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 adapter 2 pitch 4 4 3 2 1 4 bolt on adapter 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 loam...

Page 129: ...euverability while working rear counterweight required for some backhoe and reel carrier applications European compliance kit includes lockable fuel cap Equipment Description booms provide depth options of 3 1 m or 4 1 2 m or 5 1 5 m mechanical trench cleaner removes spoils from the trench floor Equipment Description blades provide depth options of 12 305 mm 18 457 mm and 24 610 mm reel carrier de...

Page 130: ...an E7018 or equivalent Equipment Description bucket and bucket teeth replace as needed to increase efficiency and keep from damaging machine remote crowd use to creep tractor forward during digging light kit illuminates the backhoe work area Equipment Description bits and bit holders replace as needed to increase efficiency and keep from damaging machine blades provides options for cutting trenche...

Page 131: ... 200 lb 91 kg TBS in each rear tire 800 lb 363 kg front counterweight H331 plow two wheel weights per each 29 front tire 200 lb 91 kg TBS in each front tire 400 lb 181 kg front counterweight H342 saw A323 backhoe one wheel weight per each 26 rear tire 200 lb 91 kg TBS in each rear tire A323 backhoe two wheel weights per each 29 rear tire 200 lb 91 kg TBS in each rear tire 800 lb 363 kg front count...

Page 132: ...RT45 Operator s Manual Complete the Job 131 Complete the Job Chapter Contents Restore Jobsite 132 Backfilling 132 Rinse Equipment 132 Stow Tools 132 ...

Page 133: ...d trench Take two 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 in reverse over trench Rinse Equipment Wash saw bits and mounting blocks with high pressure water before parking unit overnight Spray water onto equipment to remove dirt and mud Stow Tools Make sure all tools and accessories are loaded an...

Page 134: ...Service Chapter Contents Service Precautions 134 Lubrication Overview 135 Recommended Lubricants Service Key 136 Engine Oil Selection Chart 137 10 Hour 138 100 30 5 m 151 50 Hour 153 100 Hour 155 500 Hour 156 1000 Hour 160 As Needed 162 ...

Page 135: ...quipment NOTICE Welding can damage electronics Disconnect battery at battery disconnect switch before welding to prevent damage to battery Do not turn off battery disconnect switch with engine running or alternator and other electronic devices may be damaged Connect welder ground clamp close to welding point and make sure no electronic components are in the ground path Always disconnect the ECU gr...

Page 136: ...RT45 Operator s Manual Service 135 Lubrication Overview Lubrication Overview ...

Page 137: ...anual Item Description DEO Diesel engine oil meeting or exceeding Deutz DQC II_05 API CI 4 ACEA E4 or Global DHD 1 Use viscosity grade SAE 15W40 unless ambient temperature below 5 F 15 C are expected Lower viscosity oils must meet the performance specifications shown above See Approved Fuel on page 137 MPG Multipurpose grease meeting NLGI GC LB Grade 2 MPL Multipurpose gear oil meeting API service...

Page 138: ...tion Avoid static electricity when fueling Ultra Low Sulfur Diesel ULSD poses a greater static ignition hazard than earlier diesel formulations Avoid death or serious injury from fire or explosion Consult with your fuel system supplier to ensure the delivery system is in compliance with fueling standards for proper grounding and bonding practices IMPORTANT Fuel sulfur content should be less than 5...

Page 139: ...oller MPG Lube trencher pivot MPG Lube trencher pivot stub MPG Lube trencher auger bearings MPG Lube auger sleeve MPG Check attachment mounting bolts 200 ft lb 271 N m Check digging chain Check digging chain tension 1 5 2 0 40 50 mm PLOW Clean feed tube Check plow arm pins and bushings Check attachment mounting bolts 200 ft lb 271 N m Check plow vibrator oil MPL COMBO Complete all service items fo...

Page 140: ...luid Level and Reservoir Breather Cap With tractor level raise seat and check fluid at sight glass 2 every 10 hours Fluid should be halfway up sight glass Add THF at fill 1 as necessary Check hydraulic reservoir breather cap 1 every 10 hours Clean as needed Check Oil Cooler Check oil cooler for dirt and debris Clean with compressed air or spray wash as needed See Clean Oil Cooler on page 153 IMPOR...

Page 141: ... 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 undamaged Use a piece of cardboard or wood rather than hands to search for leaks Wear protective clothing including gloves and eye protecti...

Page 142: ... rinsable air gauge if tire ballast is used Tighten lugnuts to 95 ft lb 129 N m Solid Rubber Tires Check adapter mounting bolts shown if equipped after first 10 hours Correct torque is 350 ft lb 475 N m Tire option Maximum pressure 26 x 12 00 12 4 ply bar lug 20 psi 1 4 bar 29 x 12 50 15 4 ply bar lug 30 psi 2 1 bar ...

Page 143: ...ove air filter cover and remove primary 1 and safety 2 elements 2 Wipe inside of housing and wash cover 3 Insert new elements 4 Replace cover 5 Reset air filter restriction 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...

Page 144: ...ug wipe zerk clean and lube every 10 hours with MPG Lube Trencher Pivot Wipe three zerks clean and lube every 10 hours with MPG Lube zerk 3 until grease appears at headshaft hub Lube zerks 1 2 with 8 10 pumps of MPG Lube Trencher Pivot Stub Wipe zerk clean and lube every 10 hours with MPG ...

Page 145: ...perator s Manual 10 Hour Lube Trencher Auger Bearings and Sleeve Wipe four zerks clean and lube every 10 hours with MPG every 10 hours Check Trencher Mounting Bolts Check bolts every 10 hours Tighten to 200 ft lb 271 N m ...

Page 146: ...ficient digging contact your Ditch Witch dealer for information about the tooth pattern best suited to your jobsite or see page 126 Check Digging Chain Tension Check digging chain tension every 10 hours Sprocket Boom Tension is correct when 2 50 mm of slide and stop 3 are exposed Adjust tension with boom horizontal by tightening or loosening adjustment screws 2 and jam nuts 1 IMPORTANT If using ro...

Page 147: ... 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 To tighten chain remove plug and pump MPG into cylinder 1 To relieve chain tension loosen plug on grease cylinder Fluid pressure could pierce skin and cause injury or death Stay away To help avoid injury Service digging boom grease cylinder only while standing on opposit...

Page 148: ...ry 10 hours Oil if necessary Check Plow Arm Pins and Bushings Check plow arm pins and bushings every 10 hours Replace bushings at first sign of wear Check Plow Mounting Bolts Check bolts every 10 hours Tighten to 200 ft lb 271 N m Check floating cable feed bolts for looseness or wear ...

Page 149: ... Plow Vibrator Oil Level Check plow vibrator oil level every 10 hours With vibrator horizontal oil should be halfway up sight glass 2 Add MPL as needed at fill 1 Hot parts may cause burns Do not touch until cool or wear gloves 275 355 2 P 273 423 2 P ...

Page 150: ...sure water Check Bits Check bits every 10 hours Clean and check bits for free rotation If bits are stuck remove and clean packed soil from retaining ring Replace bit when tungsten cap or insert is worn For best results use retaining clip loading and removing tool and a knock out bar included with saw to remove and reinsert bits ...

Page 151: ...d Inspect Spoils Deflectors If not using a vacuum system for spoils removal inspect spoils deflectors inside microtrencher frame every 10 hours Clean vacuum chute and replace deflectors as needed Check Trencher Vacuum Hoses If using a vacuum system for spoils removal check inside of hoses for caked spoils every 10 hours Clean as needed ...

Page 152: ... are rotating freely in bit blocks If bits are stuck tap with a brass or rubber mallet Use gauge shown p n 301 1507 to check bit condition Replace bits when carbide components become dull or excessively worn Always replace bits and roll pins in complete sets Do not mix old and new bits Always use new roll pins A Bits okay B Replace bits if outer diameter or length is excessively worn as indicated ...

Page 153: ...ll pin and remove old bit 2 Install new bit into holder and drive in new roll pin Wear Bars Hard Surface Material Use gauge shown p n 301 1507 to check thickness of wear bars hard surface material on blade Replace wear bars hard surface material as needed to protect bit holders ...

Page 154: ...ray wash 2 Remove grill and spray through cooling fins away from engine 3 If grease and oil are present on cooling fins spray with solvent and allow to soak overnight Check Belt Tension Check belt tension every 50 hours Belt is properly tensioned when it moves about 3 8 10 mm when pushed If belt is loose loosen alternator bolts 1 and adjust alternator Retighten bolts Location Task Notes TRACTOR Cl...

Page 155: ...be Backfill Blade Swing Lube zerk with 2 3 shots of MPG every 50 hours Trencher Lube Frame Slide Lube frame slide with MPG every 50 hours Saw Lube Lift Cylinders Lube lift cylinders with MPG every 50 hours Lube rod and barrel end of each cylinder ...

Page 156: ...perator s Manual Service 155 100 Hour 100 Hour Lube Manual Tilt Adjustment Lube two zerks on manual tilt adjustment with MPG every 100 hours Location Task Notes MICRO TRENCHER Lube manual tilt adjustment MPG ...

Page 157: ... filter 4 each time oil is changed 3 Add DEO at fill neck 3 until oil level is at highest line on dipstick 2 Capacity is 6 qt 5 5 L Location Task Notes TRACTOR Change engine oil and filter DEO Change primary fuel filter Change hydraulic filter Check differential oil MPL Check gearbox oil MPL Lube cross and bearings MPG Lube universal joints MPG PLOW COMBO Change plow vibrator oil MPL ...

Page 158: ... 500 Hour Change Primary Fuel Filter Change primary fuel filter every 500 hours Change Hydraulic Filter Change hydraulic filter every 500 hours Check Differential Oil Level Check oil level at fill plug every 500 hours Add MPL as needed ...

Page 159: ...00 Hour Check Gearbox Oil Level Check oil level at check plug 2 every 500 hours Add MPL at fill 1 as needed Lube Cross and Bearings Lube zerks with 2 3 shots of MPG every 500 hours Lube Universal Joints Lube zerks with MPG every 500 hours ...

Page 160: ... fill 1 to vent vibrator 2 Drain oil at drain plug 3 3 Replace plug and move plow vibrator to horizontal position 4 Add MPL at fill 1 until oil is halfway up sight glass 2 Hot parts may cause burns Do not touch until cool To help avoid injury Do not drain oil from plow vibrator when hot Let vibrator cool before removing drain plug ...

Page 161: ... pt 2 3 L for front and 5 5 pt 2 6 L for rear For model 60 differentials capacity is 5 9 pt 2 8 L for front and rear Change Ground Drive Gearbox Oil Change ground drive gearbox oil every 1000 hours To change 1 Remove drain plug 3 2 Drain oil and replace plug 3 Add MPL at fill 1 until oil comes out at check plug 2 Capacity is 2 pt 0 96 L Location Task Notes TRACTOR Change differential oil MPL Chang...

Page 162: ...nd filter every 1000 hours To change 1 Remove drain plug 2 2 Drain fluid and replace plug 3 Change filter See Change Hydraulic Filter on page 157 4 Add THF at fill 1 until fluid is at halfway point on sight glass 3 Hydraulic reservoir capacity is 9 5 gal 36 L Hydraulic system capacity is 13 gal 49 L ...

Page 163: ...1 3 until parking brake is properly adjusted 5 Replace orange sleeve Location Task Notes TRACTOR Adjust parking brake Check battery Charge battery Inspect seat belt TRENCHER Replace digging chain and teeth PLOW Replace sod cutter and blade Replace plow blade pins and bushings COMBO Complete all service items for trencher and plow BACKHOE Replace backhoe pins and bushings MICRO TRENCHER Change blad...

Page 164: ... Clean cable clamps and terminals to remove dull glaze 5 Check for signs of internal corrosion in cables 6 Apply MPG to terminals after cleaning to reduce corrosion 7 Connect battery cable clamps positive cable first 8 Tighten any loose connections 9 Ensure that battery tiedowns are secure 10 Turn battery disconnect switch to the on position Explosion possible Serious injury or equipment damage co...

Page 165: ...ctions carefully To help avoid injury Use a single 12V maximum source for charging Do not connect to rapid chargers or dual batteries Use caution and wear personal protective equipment such as safety eyewear when charging or cleaning battery Keep sparks flames and any ignition source away from batteries at all times Internal contents are extremely hazardous Leaking fluid is corrosive Battery may b...

Page 166: ...ine or frame ground on the disabled vehicle at least 12 305 mm from the failed battery as shown 7 Operate service vehicle engine at 1500 2000 rpm for a few minutes to build an electrical charge in the failed battery 8 Stop engine in service vehicle 9 Remove jumper cables from the service vehicle black negative clamp first Do not allow clamps to touch 10 Remove black negative cable clamp from the d...

Page 167: ...e 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 Hardw...

Page 168: ...en and adjust seat belt 2 Start tractor See page 70 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 Engage parking brake 6 Turn ignition switch to STOP 7 Roller booms Secure chain by clamping links on either side of connector pin with chain jaws shown Squeeze jaws to reduce pressure on connector p...

Page 169: ...of link 11 Unclamp links Slowly release cable and lower chain to ground 12 Lay chain on ground with teeth down Fluid pressure could pierce skin and cause injury or death Stay away To help avoid injury Service digging boom grease cylinder only while standing on opposite side of boom Wear gloves and safety glasses and cover fitting with cloth when relieving pressure in cylinder Crushing weight could...

Page 170: ...m to horizontal position 10 Engage parking brake 11 Turn ignition switch to STOP 12 Pull rear end of chain over tail roller or sprocket 13 Pull until chain is in place on boom 14 Move chain down boom until chain connector pin and lock key can be installed Install connector pin and lock key 15 Tighten chain by pumping EPG into grease cylinder Time Augers Ensure that augers are balanced as shown If ...

Page 171: ...eplace Sod Cutter and Blade Replace worn sod cutter and plow blade as needed Replace Plow Blade Pins and Bushings Check plow blade pins and bushings for wear and replace as needed NOTICE Operating plow with worn or missing bushings will damage equipment ...

Page 172: ...RT45 Operator s Manual Service 171 As Needed Backhoe Replace Pins and Bushings Replace pins 1 and bushings 2 when worn or damaged ...

Page 173: ...apply a dry lubricant such as graphite or silicone to threads 6 Install new blade note direction of rotation spacer 6 and large nut 5 7 Use spanner wrench to fully tighten large nut 5 8 Tighten clamp bolts 4 to 100 120 ft lb 135 160 N m 9 Loosen clamp bolts 4 and repeat steps 7 and 8 10 Install cover spanner wrench and wingnuts Hot parts may cause burns Do not touch until cool 273 423 To help avoi...

Page 174: ...microtrencher 7 Start tractor and set throttle to low speed 8 Push level control to slowly extend cylinder to full length Hold lever at full range for 10 seconds Air trapped at top of cylinder will return to tank 9 Pull control lever to slowly retract cylinder Hold lever for 10 seconds Air trapped at bottom of cylinder will return to tank 10 Repeat steps 7 and 8 11 Shutdown tractor and remove jump...

Page 175: ...Service 174 RT45 Operator s Manual As Needed ...

Page 176: ... departure 17 17 B Trench width minimum to maximum 6 12 in 150 305 mm C Boom travel down 58 58 C1 Boom travel up 50 50 E1 Centerline trench to outside edge of unit left 35 in 890 mm E2 Centerline trench to outside edge of unit right 29 in 740 mm F Headshaft height digging chain 17 in 430 mm H Overhang beyond tire 3 5 in 90 mm H1 Height 86 in 2 2 m L Headshaft overhang 24 5 in 620 mm L2 Length tran...

Page 177: ...drostatic ground drive through rubber tires conventional 2 wheel power steering hydrostatic attachment drive riding tractor Operation U S Metric Forward speed maximum 4 3 mph 6 9 km h Reverse speed maximum 2 7 mph 4 4 km h Digging chain speed 2600 rpm engine speed maximum 420 fpm 128 m min Vehicle clearance circle SAE wall to wall with backfill blade With front steering only 28 ft 8 5 m With rear ...

Page 178: ...11 diesel EPA Tier 4i EU stage IIIa Cooling medium oil Injection direct Aspiration natural Number of cylinders 3 Displacement 142 in3 2 3 L Bore 3 7 in 94 mm Stroke 4 4 in 112 mm Engine manufacturer s gross power rating SAE J1995 42 2 hp 31 5 kW Estimated net power rating SAE J1349 39 hp 29 kW Rated speed 2300 rpm 2300 rpm Maximum engine tilt angles Longitudinal 30 30 Lateral 30 30 Exceeding these...

Page 179: ...flated to 20 psi 1 4 bar 1780 lb 807 kg optional 29 x 12 50 15 4 ply bar lug inflated to 30 psi 2 1 bar 2255 lb 1022 kg Attachment drive transmission hydrostatic lever operated speed infinitely variable from zero to maximum forward with limited stroke reverse Hydraulic System U S Metric Ground drive pump capacity 2300 rpm 29 3 gpm 111 L min Ground drive pump relief pressure 3750 psi 258 bar Attach...

Page 180: ...ine oil 6 4 qt 6 1 L Initial 8 qt 7 5 L Refill 6 qt 5 5 L Hydraulic reservoir 9 5 gal 36 L Hydraulic system 13 gal 49 L Battery Group 26 26R 70 SAE reserve capacity 110 min SAE cold crank 0 F 18 C 800 amps Noise Levels Operator ear sound pressure is 86 dBa per ISO 6394 Exterior sound power is 103 dBa per ISO 6393 Vibration Levels Average vibration transmitted to the operator s hand during normal t...

Page 181: ...inimum to maximum Center 6 12 in 150 305 mm Offset 6 8 in 150 200 mm C Boom travel down 55 55 C1 Boom travel up 51 51 E1 Centerline of trench to outside edge left Center 30 7 in 780 mm Offset 52 in 1 3 m E2 Centerline of trench to outside edge right Center 24 3 in 620 mm Offset 3 in 75 mm F Headshaft height digging chain 23 3 in 590 mm Overhang beyond tire 4 5 in 115 mm ...

Page 182: ...rhang 24 9 in 630 mm Soil discharge reach short auger 17 in 430 mm long auger 30 in 760 mm Dimensions are based on shortest roller boom 26 X 12 00 12 standard tire and wheel and 12 300 mm pivot except reference A With 6 150 mm chain right side of trench will be in line with right outside edge of tires ...

Page 183: ... 10 1 A1 Pull blade depth maximum 24 in 610 mm Pull blade width maximum 1 in 25 mm Pull blade bullet diameter maximum 3 in 75 mm Blade steer angle 15 15 H Angle of depression 3 3 I Angle of departure 22 22 J Blade ground clearance 28 5 in 725 mm L2 Operating length plow with blade 145 in 3 9 m With A323 backhoe 180 in 4 6 m With reel carrier 154 in 3 9 m With reel carrier and maximum diameter reel...

Page 184: ...eck with your Ditch Witch dealer for special blade requirements L2 Transport length plow with blade 169 in 4 3 m With A323 backhoe 203 in 5 2 m With reel carrier 177 in 4 5 m With reel carrier and maximum diameter reel 192 in 4 9 m Reel Carrier U S Metric Internal width 25 in 635 mm N Reel diameter maximum 36 in 915 mm P Spindle height 39 in 985 mm Q Spindle overhang from front axle 42 in 1 m Reel...

Page 185: ...enterline of trench to outside edge left 52 in 1 3 m E2 Centerline of trench to outside edge right 3 in 80 mm F Headshaft height digging chain 23 in 590 mm Overhang beyond tire 4 5 in 115 mm H1 Transport height 86 in 2 2 m L Headshaft overhang 25 in 630 mm N Soil discharge reach 17 in 430 mm Dimensions are based on shortest roller boom 26 X 12 00 12 standard tire and wheel With 6 150 mm chain righ...

Page 186: ... of unit 20 in 510 mm Suggested maximum Plow blade used will be determined by job requirements and soil conditions Operation U S Metric Material diameter pull in maximum 2 5 in 65 mm Material diameter feed chute maximum 1 5 in 40 mm H350 General U S Metric Operating weight without augers boom chain and plow blade 1500 lb 680 kg Counterweight required minimum 1100 lb 500 kg With front mounted weigh...

Page 187: ...ch 18 18 A3 Angle of departure 14 14 D Transport height attachment 79 in 2 0 m L2 Overall length full depth 177 in 4 5 m L2 Overall length transport 162 in 4 1 m Operation U S Metric Breakover angle at full depth maximum 38 38 Wheelshaft height full depth 16 in 410 mm Wheelshaft overhang from rear axle full depth 54 in 1 4 m Attachment height full depth 54 in 1 4 m Operating height power unit 86 i...

Page 188: ... trench to outside edge of unit Left 32 in 815 mm Right 32 in 815 mm Attachment width 23 in 580 mm Number of teeth on saw wheel 36 36 Attachment weight 2 5 65 mm segments 1550 lb 700 kg 3 5 90 mm segments 1610 lb 730 kg 5 0 130 mm segments 1660 lb 755 kg Counterweight required 800 lb 360 kg Wheel speed variable 0 160 rpm 0 160 rpm ...

Page 189: ... 1 5 m F Digging depth maximum 72 in 1 8 m G Digging depth 2 0 6 m flat bottom 66 in 1 7 m J Operating height fully raised 97 in 2 5 m K Loading height 46 in 1 2 m L Loading reach 55 in 1 4 m M Reach from swing pivot 102 in 2 6 m N Swing pivot to centerline axle 32 in 813 mm P Bucket rotation 132 132 B Stabilizer spread transport 64 in 1 6 m E Backhoe or basic unit width 57 in 1 5 m ...

Page 190: ... Width 12 in 305 mm Capacity 1 1 ft3 0 03 m3 Backhoe weight with bucket 1125 lb 511 kg Lift capacity boom over end and swing arc SAE 48 1 2 m 957 lb 434 kg ground level 1044 lb 474 kg 72 1 8 m 783 lb 355 kg Lift capacity dipperstick over end and swing arc SAE 48 1 2 m 1784 lb 809 kg 72 1 8 m 1500 lb 681 kg Swing arc 160 160 Digging force Using bucket cylinder 5340 lb 23 8 kN Using dipperstick cyli...

Page 191: ...t transport 68 in 1 72 m H12 Ground clearance at wheel 24 in 610 mm L2 Length transport from centerline of rear axle 75 in 1 90 m L2 Working length from centerline of rear axle not shown 81 in 2 06 m L4 Length transport from front of attachment 64 in 1 62 m T1 Saw offset distance 24 in 610 mm T2 Centerline of saw to centerline of unit minimum offset 5 3 in 135 mm W1 Maximum working width 67 in 1 7...

Page 192: ...both sides 8 5 in 216 mm W4 Centerline of unit to outside left tire 28x9 solid tires 28 5 in 725 mm W7 Centerline of unit to end of traverse frame 29 2 in 742 mm Width transport 60 5 in 1 53 m Minimum microtrenching radius 40 ft 12 m Attachment weight including mount kit 1400 lb 636 kg Microtrencher tilt adjustment 6 6 Counterweighting For unit with solid 28x9 tires add 500 lb 227 kg on front weig...

Page 193: ...Specifications 192 RT45 Operator s Manual MT12 MicroTrencher ...

Page 194: ...hase 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 you...

Page 195: ...OSE AND MERCHANTABILITY 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 ac...

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Page 198: ...RT45 Operator s Manual Service Record 197 Service Record Service Performed Date Hours ...

Page 199: ...Service Record 198 RT45 Operator s Manual Service Performed Date Hours ...

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