Ditch-witch JT20 Bedienungsanleitung

JT20Issue 1.0Operator’s Manual053-2633CMW®

JT20 Operator’s Manual Contents - 9CMW®ContentsOverviewmachine serial number, information about the type of work this machine is designed to perform,

JT20 Operator’s Manual Conduct a Bore - 99Correct DirectionCMW®Drill Head PositionThe drill head position is determined by reading beacon roll. Roll i

Conduct a Bore - 100 JT20 Operator’s ManualUse AutoCarveCMW®Use AutoCarve AutoCarve helps the operator change direction when thrust stalls in difficul

JT20 Operator’s Manual Conduct a Bore - 101Use AutoCarveCMW®Operation 1. Position downhole tool for carving. Rotate the toolhead to the desired positi

Conduct a Bore - 102 JT20 Operator’s ManualRecord Bore PathCMW®Record Bore PathLocate drill head every half-length of pipe. As the job is completed, r

JT20 Operator’s Manual Conduct a Bore - 103BackreamCMW®BackreamSometimes it is necessary to enlarge the pilot hole to accommodate larger product. As a

Conduct a Bore - 104 JT20 Operator’s ManualBackreamCMW®Assemble Backream String 1. Select backreaming devices. See “Backreamers” on page 126.2. Determ

JT20 Operator’s Manual Conduct a Bore - 105Remove PipeCMW®Remove Pipe 1. Enable automated pipeloader system (automated pipeloader control only).2. Sto

Conduct a Bore - 106 JT20 Operator’s ManualRemove PipeCMW®9. Load pipe into pipe box:10. Attach saver sub to next pipe:• Move carriage forward until s

JT20 Operator’s Manual Conduct a Bore - 107Remove Pullback DeviceCMW®Remove Pullback DeviceThe pullback device can be removed when the last pipe is on

Conduct a Bore - 108 JT20 Operator’s ManualRemove Pullback DeviceCMW®

Contents - 10 JT20 Operator’s ManualCMW®Specificationsmachine specifications including weights, measurements, power ratings, and fluid capacities185Su

JT20 Operator’s Manual Systems and Equipment - 109CMW®Systems and EquipmentChapter ContentsAnchor System . . . . . . . . . . . . . . . . . . . . . . .

Systems and Equipment - 110 JT20 Operator’s ManualCMW®Downhole Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 126• Nozzles . . . . . . .

JT20 Operator’s Manual Systems and Equipment - 111Anchor SystemCMW®Anchor SystemCrushing weight. If load falls or moves, it could kill or crush you. U

Systems and Equipment - 112 JT20 Operator’s ManualAnchor SystemCMW®Drive Anchors 1. Use anchor rotation and thrust controls to drive anchor into grou

JT20 Operator’s Manual Systems and Equipment - 113Electric Strike SystemCMW®Electric Strike SystemAny time you drill in an electric jobsite, electric

Systems and Equipment - 114 JT20 Operator’s ManualElectric Strike SystemCMW®Assemble Voltage Detector1. Drive voltage stake into ground at least 6’ (2

JT20 Operator’s Manual Systems and Equipment - 115Electric Strike SystemCMW®Troubleshoot Strike SystemWhen strike system detects a problem, an error c

Systems and Equipment - 116 JT20 Operator’s ManualElectric Strike SystemCMW®Strobe light on drilling unit does not work during total testImproper conn

JT20 Operator’s Manual Systems and Equipment - 117Electric Strike SystemCMW®Use Electric Strike SimulatorUse the Electric Strike Simulator (p/n 259-50

Systems and Equipment - 118 JT20 Operator’s ManualElectric Strike SystemCMW®Voltage Test1. Place voltage limiter on something insulated from ground an

JT20 Operator’s Manual Safety - 11CMW®SafetyChapter ContentsGuidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Safety Alert

JT20 Operator’s Manual Systems and Equipment - 119Drilling FluidCMW®Drilling FluidFor productive drilling and equipment protection, use these recommen

Systems and Equipment - 120 JT20 Operator’s ManualDrilling FluidCMW®BentoniteBentonite is a dry powder. When properly mixed with water, it forms a thi

JT20 Operator’s Manual Systems and Equipment - 121Drilling FluidCMW®Basic Fluid RecipesSoil type Mixture/100 gal (378 L) of water Notesfine sand 35 lb

Systems and Equipment - 122 JT20 Operator’s ManualDrilling FluidCMW®Drilling Fluid Requirements1. Determine drilling conditions and choose appropriate

JT20 Operator’s Manual Systems and Equipment - 123Tracker ControlCMW®Tracker ControlOverviewThis mode allows the operator of a Ditch Witch® tracking s

Systems and Equipment - 124 JT20 Operator’s ManualTracker ControlCMW®OperationEnable Tracker Control1. Start drilling unit.2. Ensure that tracking uni

JT20 Operator’s Manual Systems and Equipment - 125Tracker ControlCMW®Disable Thrust and Rotation 1. When drill head enters target pit or exits the gro

Systems and Equipment - 126 JT20 Operator’s ManualDownhole ToolsCMW®Downhole ToolsNozzlesNozzles control fluid flow from the pipe to the bore. Select

JT20 Operator’s Manual Systems and Equipment - 127Downhole ToolsCMW®InstallationRemove all paint from mating surfaces before attaching any bit to hous

Systems and Equipment - 128 JT20 Operator’s ManualDownhole ToolsCMW®BackreamersA backreamer enlarges the hole as pipe is pulled back through the bore.

Safety - 12 JT20 Operator’s ManualGuidelinesCMW®GuidelinesFollow these guidelines before operating any jobsite equipment:• Complete proper training an

JT20 Operator’s Manual Systems and Equipment - 129Downhole ToolsCMW®Backream Fluid RequirementsBackreaming is only successful when enough fluid reache

Systems and Equipment - 130 JT20 Operator’s ManualDownhole ToolsCMW®Backream Fluid RequirementsBackreamer/product diameterGal/ft L/m Backreamer/produc

JT20 Operator’s Manual Systems and Equipment - 131Quick WrenchCMW®Quick WrenchTo attach or remove downhole tools, use quick wrench to join or break th

Systems and Equipment - 132 JT20 Operator’s ManualQuick WrenchCMW®To Join1. Scribe straight line across joint on both sides of separating line (A).2.

JT20 Operator’s Manual Systems and Equipment - 133Drill PipeCMW®Drill PipePerform Regular Drill Pipe CarePrecondition New PipeRepeat this procedure th

Systems and Equipment - 134 JT20 Operator’s ManualDrill PipeCMW®Use Caps and PlugsBefore transporting in dusty conditions or prolonged storage, instal

JT20 Operator’s Manual Systems and Equipment - 135Drill PipeCMW®Use Drill Pipe CorrectlyAlign the JointsAlways carefully align the male and female end

Systems and Equipment - 136 JT20 Operator’s ManualDrill PipeCMW®Make Up and Break Out Joints CorrectlyThis consists of two steps:• Make up and break o

JT20 Operator’s Manual Systems and Equipment - 137PipeloaderCMW®PipeloaderShift Pipe BoxDrilling 1. Shift pipe box when both pipe box status lights ar

Systems and Equipment - 138 JT20 Operator’s ManualPipeloaderCMW®Correct Misaligned or Jammed PipeOne pipe box status light on and one light off indica

JT20 Operator’s Manual Safety - 13Safety Alert ClassificationsCMW®Safety Alert ClassificationsThese classifications and the icons defined on the follo

JT20 Operator’s Manual Systems and Equipment - 139PipeloaderCMW®Add/Remove Single PipeLoad a single drill pipe or up to a whole column of drill pipe i

Systems and Equipment - 140 JT20 Operator’s ManualPipeloaderCMW®Add Single Pipe1. Place grid mats on the ground on pipe box side of drilling unit.2. C

JT20 Operator’s Manual Systems and Equipment - 141PipeloaderCMW®Remove Single PipeUnload all drill pipe loaded with auxiliary pipe loaders. 1. Lift, r

Systems and Equipment - 142 JT20 Operator’s ManualCruise ControlCMW®Cruise ControlDuring the bore, you can set the desired thrust, pullback, and rotat

JT20 Operator’s Manual Systems and Equipment - 143Cruise ControlCMW®Override• To override thrust settings, move joystick out of neutral and beyond cur

Systems and Equipment - 144 JT20 Operator’s ManualDiagnostic CodesCMW®Diagnostic CodesThe JT20 is equipped with two diagnostic systems: engine and mac

JT20 Operator’s Manual Systems and Equipment - 145Diagnostic CodesCMW®Reading Machine Diagnostic CodesUse the red diagnostic light to learn the condit

Systems and Equipment - 146 JT20 Operator’s ManualDiagnostic CodesCMW®Diagnostic Code InterpretationDiagnostic codes are displayed through a series of

JT20 Operator’s Manual Systems and Equipment - 147Diagnostic CodesCMW®Machine Diagnostic CodesThe following table lists the attributes of each diagnos

Systems and Equipment - 148 JT20 Operator’s ManualDiagnostic CodesCMW®65 no continuity to thrust/right track neutral valvecruise control is blocked es

Safety - 14 JT20 Operator’s ManualSafety AlertsCMW®Safety AlertsTurning shaft will kill you or crush arm or leg. Stay away.Electric shock. Contacting

JT20 Operator’s Manual Systems and Equipment - 149Diagnostic CodesCMW®221 system voltage is below 12.5V code is stored non-essential233 drill and driv

Systems and Equipment - 150 JT20 Operator’s ManualDiagnostic CodesCMW®

JT20 Operator’s Manual Complete the Job - 151CMW®Complete the JobChapter ContentsAntifreeze Drilling Unit . . . . . . . . . . . . . . . . . . . . 15

Complete the Job - 152 JT20 Operator’s ManualAntifreeze Drilling UnitCMW®Antifreeze Drilling UnitYour drilling unit can be left overnight in freezing

JT20 Operator’s Manual Complete the Job - 153Antifreeze Drilling UnitCMW®Reclaim Antifreeze1. Connect remote fluid system. See page 89.2. Turn on remo

Complete the Job - 154 JT20 Operator’s ManualRinse EquipmentCMW®Rinse EquipmentUsing Washwand 1. Connect the washwand at quick connect (1) at rear

JT20 Operator’s Manual Service - 155CMW®ServiceChapter ContentsService Precautions . . . . . . . . . . . . . . . . . . . . . . . 157• Welding Precauti

Service - 156 JT20 Operator’s ManualService PrecautionsCMW®Service Precautions Welding PrecautionWashing PrecautionIncorrect procedures could result i

JT20 Operator’s Manual Service - 157Service PrecautionsCMW®Working Under Drilling UnitBefore working under area of drilling unit supported by a stabil

Service - 158 JT20 Operator’s ManualService PrecautionsCMW®Opening/Closing Front HoodTo open:1. Unlock hood at handles (1, 2) if hood is locked.2. Unl

JT20 Operator’s Manual Safety - 15Safety AlertsCMW®Improper control function could cause death or serious injury. If control does not work as describe

JT20 Operator’s Manual Service - 159Recommended Lubricants/Service KeyCMW®Recommended Lubricants/Service KeyItem DescriptionDEO(Tier 4 Units)Diesel en

Service - 160 JT20 Operator’s ManualRecommended Lubricants/Service KeyCMW®Proper lubrication and maintenance protects Ditch Witch equipment from damag

JT20 Operator’s Manual Service - 161Startup/10 HourCMW®Startup/10 Hour Check Fuel Filter Water Separator Check fuel filter water separators before sta

Service - 162 JT20 Operator’s ManualStartup/10 HourCMW®Check Air Filter Indicator and Clean Dust TrapCheck air filter indicator (1) and inspect dust t

JT20 Operator’s Manual Service - 163Startup/10 HourCMW®Check Hydraulic Hoses Check hydraulic hoses for leaks before startup and every 10 hours of oper

Service - 164 JT20 Operator’s ManualStartup/10 HourCMW®Check Hydraulic Fluid LevelCheck hydraulic fluid level before startup and every 10 hours of ope

JT20 Operator’s Manual Service - 165Startup/10 HourCMW®Check Pipe Auto Lubricator Spray NozzleCheck pipe auto lubricator spray nozzle before startup a

Service - 166 JT20 Operator’s ManualStartup/10 HourCMW®Clean Drilling Fluid Y-StrainerClean drilling fluid y-strainer before startup and every 10 hour

JT20 Operator’s Manual Service - 16750 HourCMW®50 Hour Change Fluid Pump Oil (Initial Service)Change fluid pump oil after first 50 hours and every 100

Service - 168 JT20 Operator’s Manual50 HourCMW®Check RadiatorCheck radiator for dirt, grass, and other debris every 50 hours. Check more often if oper

Safety - 16 JT20 Operator’s ManualSafety AlertsCMW®Hot pressurized cooling system fluid could cause serious burns. Allow to cool before servicing.Flyi

JT20 Operator’s Manual Service - 16950 HourCMW®Check Ground Drive Gearbox Oil Level Check oil level in both ground drive gearboxes every 50 hours. To

Service - 170 JT20 Operator’s Manual50 HourCMW®Lube Rotation Gearbox Sliding Output ShaftLube rotation gearbox sliding output shaft with EPS every 50

JT20 Operator’s Manual Service - 171100 HOURCMW®100 HOURInitial Engine Oil and Filter Change (Tier 4i units)Initial engine oil and filter change is 10

Service - 172 JT20 Operator’s Manual250 HourCMW®250 Hour Engine Oil and Filter Change(Tier 4 final units)Regular engine oil and filter change is 250 h

JT20 Operator’s Manual Service - 173500 HourCMW®500 Hour Change Hydraulic Fluid and Filter (Normal Conditions)Change hydraulic main and charge filters

Service - 174 JT20 Operator’s Manual500 HourCMW®Check BatteryCheck battery every 500 hours. Keep batteries clean and terminals free of corrosion. To c

JT20 Operator’s Manual Service - 175750 HourCMW®750 Hour Change Fluid Pump Oil Change fluid pump oil after first 50 hours and every 750 hours thereaft

Service - 176 JT20 Operator’s Manual1000 HourCMW®1000 Hour Change Ground Drive Gearbox Oil Change oil in both ground drive gearboxes every 1000 hours.

JT20 Operator’s Manual Service - 1771000 HourCMW®Lube Rotation Gearbox Internal SplinesLube rotation gearbox internal splines with EPG every 1000 hour

Service - 178 JT20 Operator’s Manual2000 HourCMW® 2000 Hour Drain cooling system at drain (2) every two years or 2000 hours. Refill at fill (1) with a

JT20 Operator’s Manual Safety - 17Emergency ProceduresCMW®Emergency ProceduresBefore operating any equipment, review emergency procedures and check th

JT20 Operator’s Manual Service - 179As NeededCMW®As Needed Change Auto Lubricator TJC PailCheck pipe auto lubricator TJC level and change pail as need

Service - 180 JT20 Operator’s ManualAs NeededCMW®Change Hydraulic Filters (Anytime System Opened)Change hydraulic filters anytime system is opened for

JT20 Operator’s Manual Service - 181As NeededCMW®Check Front Pipe Guide InsertsCheck front pipe guide inserts (3) for wear. Rotate inserts for longer

Service - 182 JT20 Operator’s ManualAs NeededCMW®Change/Adjust Drive Belt Change or adjust engine drive belt as needed.To adjust:1. Turn off engine an

JT20 Operator’s Manual Service - 183As NeededCMW®Check Saver SubCheck saver sub and replace as needed. See your Ditch Witch dealer for replacement par

Service - 184 JT20 Operator’s ManualAs NeededCMW®

JT20 Operator’s Manual Specifications - 185CMW®SpecificationsDimensions U.S. MetricL, overall machine length (per SAE J2022) 207 in 5.26 mW, overall m

Specifications - 186 JT20 Operator’s ManualCMW®Operational U.S. MetricMaximum spindle speed (per SAE J2022) 225 rpm 225 rpmMaximum spindle torque (per

JT20 Operator’s Manual Specifications - 187CMW®Specifications are called out according to SAE recommended practices where indicated. Specifications ar

Specifications - 188 JT20 Operator’s ManualCMW®

Safety - 18 JT20 Operator’s ManualEmergency ProceduresCMW®If an Electric Line is DamagedIf you suspect an electric line has been damaged and you are o

JT20 Operator’s Manual Support - 189ProcedureCMW®SupportProcedureNotify your dealer immediately of any malfunction or failure of Ditch Witch® equipmen

Warranty - 190 JT20 Operator’s ManualCMW®WarrantyDitch Witch® Equipment and Replacement PartsLimited Warranty PolicySubject to the limitation and excl

JT20 Operator’s Manual Service Record - 193CMW®Service RecordService Performed Date Hours

CMW®Service Record - 194 JT20 Operator’s ManualService Performed Date Hours

JT20 Operator’s Manual Overview - 1CMW®OverviewChapter ContentsSerial Number Location . . . . . . . . . . . . . . . . . . . . . . 2Intended Use . . .

JT20 Operator’s Manual Safety - 19Emergency ProceduresCMW®If a Gas Line is DamagedIf you suspect a gas line has been damaged, take the following actio

Safety - 20 JT20 Operator’s ManualEmergency ProceduresCMW®If a Fiber Optic Cable is DamagedDo not look into cut ends of fiber optic or unidentified ca

JT20 Operator’s Manual Operation Overview - 21CMW®Operation OverviewChapter ContentsPlanning. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation Overview - 22 JT20 Operator’s ManualPlanningCMW®Planning1. Gather information about jobsite. See page 61.2. Inspect jobsite. See page 62.3.

JT20 Operator’s Manual Operation Overview - 23DrillingCMW®Drilling1. Start system. See page 90.2. Engage tracker control if desired. See page 123.3. D

Operation Overview - 24 JT20 Operator’s ManualBackreamingCMW®Backreaming1. Assemble backream string. See page 104.2. Start drilling unit and adjust th

JT20 Operator’s Manual Controls - 25CMW®ControlsChapter ContentsSet-Up Console . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Tethered Grou

Controls - 26 JT20 Operator’s ManualSet-Up ConsoleCMW®Set-Up Console 1. Tracker control key2. Cold start wait indicator3. Ignition switch4. Left tra

JT20 Operator’s Manual Controls - 27Set-Up ConsoleCMW®2. Cold start wait indicator Lights when intake air pre-heater is operating.Wait until light goe

Controls - 28 JT20 Operator’s ManualSet-Up ConsoleCMW®7. Right stabilizer control To raise, pull up.To lower, push down.Lower left and right stabilize

Overview - 2 JT20 Operator’s ManualSerial Number LocationCMW®Serial Number LocationRecord serial numbers and date of purchase in spaces provided. Dril

JT20 Operator’s Manual Controls - 29Tethered Ground Drive ControllerCMW®Tethered Ground Drive Controller 1. Speed/direction control2. Power mode swi

Controls - 30 JT20 Operator’s ManualTethered Ground Drive ControllerCMW®2. Power mode switch To select normal driving mode (high), push.To select load

JT20 Operator’s Manual Controls - 31Left Control ConsoleCMW®Left Control ConsoleEngine Display Item Description NotesTachometer Displays engine sp

Controls - 32 JT20 Operator’s ManualLeft Control ConsoleCMW®Voltmeter display Shows system voltage. Normal voltage is 13-14V with engine running.Hour

JT20 Operator’s Manual Controls - 33Left Control ConsoleCMW®Sound indicator Indicates if notification alert sound is off or on.Use soft key directly b

Controls - 34 JT20 Operator’s ManualLeft Control ConsoleCMW®Drill / Drive / Carve mode indicatorShows if unit is set to drill mode, drive mode, or car

JT20 Operator’s Manual Controls - 35Left Control ConsoleCMW®Most engine display functions are self-explanatory. For more information about functions,

Controls - 36 JT20 Operator’s ManualLeft Control ConsoleCMW®Engine Display Main Menu IMPORTANT: Soft key commands change with each menu screen and ar

JT20 Operator’s Manual Controls - 37Left Control ConsoleCMW®Pipeloading Controls1. Add pipe/manual/remove pipe switch2. Set/Resume switch3. Pipe box s

Controls - 38 JT20 Operator’s ManualLeft Control ConsoleCMW®Item Description Notes1. Add pipe/manual/remove pipe switchTo select “add pipe” automated

JT20 Operator’s Manual Overview - 3Intended UseCMW®Intended UseThe JT20 is a self-contained horizontal directional drilling unit designed to install b

JT20 Operator’s Manual Controls - 39Left Control ConsoleCMW®5. Wrench control To clamp front wrench, move to right.To unclamp front wrench, move to le

Controls - 40 JT20 Operator’s ManualLeft Control ConsoleCMW®9. Pipe gripper switch To close, press top.To open, press bottom.10. Pipe lubricator switc

JT20 Operator’s Manual Controls - 41Left Control ConsoleCMW®Drilling/Operation Controls1. Engine throttle switch2. Drilling fluid pressure gauge3. Thr

Controls - 42 JT20 Operator’s ManualLeft Control ConsoleCMW®Item Description Notes1. Engine throttle switch To increase speed, press top. Return switc

JT20 Operator’s Manual Controls - 43Left Control ConsoleCMW®5. AutoCarve switch To enable autocarve, press top.To deactivate autocarve, press bottom.T

Controls - 44 JT20 Operator’s ManualLeft Control ConsoleCMW®11. Fluid flow control To increase flow, turn clockwise.To decrease flow, turn countercloc

JT20 Operator’s Manual Controls - 45Unit Status IndicatorsCMW®Unit Status Indicators 1. Diagnostic light (red) 2. Control cycle light (green)Item Des

Controls - 46 JT20 Operator’s ManualRight Control ConsoleCMW®Right Control Console1. Drilling fluid pump switch2. Dual speed carriage control3. Carria

JT20 Operator’s Manual Controls - 47Right Control ConsoleCMW®2. Dual speed carriage controlTo engage high carriage travel speed, push and hold.To retu

Controls - 48 JT20 Operator’s ManualAnchoring System ConsoleCMW®Anchoring System Console1. Left rotation control2. Left thrust control3. Right rotatio

Overview - 4 JT20 Operator’s ManualUnit ComponentsCMW®Unit Components1. Operator’s station2. Spindle3. Carriage4. Drill frame5. Stabilizer6. Pipeloade

JT20 Operator’s Manual Controls - 49Anchoring System ConsoleCMW®2. Left thrust control To move anchor down, push down.To move anchor up, pull up.Stand

Controls - 50 JT20 Operator’s ManualSeat/ArmrestCMW®Seat/Armrest 1. Armrest adjustment2. Seat recline control3. Seat slide controlItem Descriptio

JT20 Operator’s Manual Controls - 51Seat/ArmrestCMW®2. Seat recline control To recline or raise seatback, lift.To lock seatback in position, release.3

Controls - 52 JT20 Operator’s ManualBatteryCMW®Battery1. Battery disconnect switchItem Description Notes1. Battery disconnect switchTo connect, move c

JT20 Operator’s Manual Controls - 53Engine Compartment ControlsCMW®Engine Compartment Controls1. High/auto fan speed switch2. Throttle switch3. Air fi

Controls - 54 JT20 Operator’s ManualEngine Compartment ControlsCMW®2. Throttle switch To increase engine speed, press top.To decrease engine speed, pr

JT20 Operator’s Manual Controls - 55ESIDCMW®ESID1. Alphanumeric display2. Strike indicator3. Alarm interrupt button4. Voltage problem indicator5. Curr

Controls - 56 JT20 Operator’s ManualESIDCMW®3. Alarm interrupt button To turn off strike audio alarm at drilling unit, press.4. Voltage problem indica

JT20 Operator’s Manual Controls - 57ESIDCMW®7. Electrical power supply indicatorGreen light means control box has sufficient electrical power for oper

Controls - 58 JT20 Operator’s ManualESIDCMW®

JT20 Operator’s Manual Overview - 5Operator OrientationCMW®Operator Orientation 1. Front of unit2. Right side of unit3. Rear of unit4. Left side of u

JT20 Operator’s Manual Prepare - 59CMW®PrepareChapter ContentsGather Information . . . . . . . . . . . . . . . . . . . . . . . . . 61• Review Job Plan

Prepare - 60 JT20 Operator’s ManualCMW®Prepare Jobsite. . . . . . . . . . . . . . . . . . . . . . . . . . . . 71• Mark Bore Path . . . . . . . . . . .

JT20 Operator’s Manual Prepare - 61Gather InformationCMW®Gather InformationA successful job begins before the bore. The first step in planning is revi

Prepare - 62 JT20 Operator’s ManualInspect SiteCMW®Inspect SiteInspect jobsite before transporting equipment. Check for the following:• overall grade

JT20 Operator’s Manual Prepare - 63Inspect SiteCMW®Select Start and End PointsSelect one end to use as a starting point. Consider the following when s

Prepare - 64 JT20 Operator’s ManualClassify JobsiteCMW®Classify JobsiteInspect Jobsite• Follow U.S. Department of Labor regulations on excavating and

JT20 Operator’s Manual Prepare - 65Classify JobsiteCMW®Apply PrecautionsOnce classified, precautions appropriate for jobsite must be taken.Electric Jo

Prepare - 66 JT20 Operator’s ManualPlan Bore PathCMW®Plan Bore PathPlan the bore path, from entry to end, before drilling begins. The Ditch Witch® Tra

JT20 Operator’s Manual Prepare - 67Plan Bore PathCMW®Recommended Bend LimitsDitch Witch® drill pipes are designed to bend slightly during operation. S

Prepare - 68 JT20 Operator’s ManualPlan Bore PathCMW®Pipe-By-Pipe Bend LimitsPipe (C)Forward (B) Deflection (A) Pipe (C)Forward (B) Deflection (A)1 10

Overview - 6 JT20 Operator’s ManualAbout This ManualCMW®

JT20 Operator’s Manual Prepare - 69Plan Bore PathCMW®Entry PitchEntry pitch is the slope of the drill frame compared with the slope of the ground. Det

Prepare - 70 JT20 Operator’s ManualPlan Bore PathCMW®Minimum DepthBecause you must bend pipe gradually, entry pitch and bend limits determine how deep

JT20 Operator’s Manual Prepare - 71Prepare JobsiteCMW®Prepare JobsiteMark Bore PathMark your planned bore path and all located utility lines with flag

Prepare - 72 JT20 Operator’s ManualCheck Supplies and Prepare EquipmentCMW®Check Supplies and Prepare EquipmentCheck Supplies• tracking system with sp

JT20 Operator’s Manual Prepare - 73CMW®Prepare EquipmentFluid Levels• fuel• hydraulic fluid• engine coolant• battery charge• engine oil Condition and

Prepare - 74 JT20 Operator’s ManualCMW®

JT20 Operator’s Manual Drive - 75CMW®DriveChapter ContentsStart Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Steer Unit .

Drive - 76 JT20 Operator’s ManualStart UnitCMW®Start Unit1. Insert key.2. Turn key clockwise. See page 23 for more information.3. Run engine at low th

JT20 Operator’s Manual Drive - 77Shut Down UnitCMW®Shut Down Unit1. Stop track movement.2. Lower drill frame and stabilizers to the ground.3. Run engi

Drive - 78 JT20 Operator’s ManualShut Down UnitCMW®

JT20 Operator’s Manual Foreword - 7CMW®ForewordThis manual is an important part of your equipment. It provides safety information and operation instru

JT20 Operator’s Manual Transport - 79CMW®TransportChapter ContentsLift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Transport - 80 JT20 Operator’s ManualLiftCMW®LiftThis machine is not configured for lifting. If the machine must be lifted, load machine into a contai

JT20 Operator’s Manual Transport - 81HaulCMW®5. Lower stabilizers to trailer floor. 6. Lower drill frame to trailer floor.7. Stop engine when unit is

Transport - 82 JT20 Operator’s ManualHaulCMW®Without Tiedown KitLoop tiedowns around unit at tiedown points. Make sure tiedowns are tight before trans

JT20 Operator’s Manual Transport - 83HaulCMW®UnloadWith Tiedown Kit1. Lower ramps.2. Remove tiedowns.3. Start drilling unit engine.4. Using tethered g

Transport - 84 JT20 Operator’s ManualTowCMW®TowUnder normal conditions, drilling unit should not be towed. If unit breaks down and towing is necessary

JT20 Operator’s Manual Transport - 85TowCMW®To open selector valves for towing, loosen jam nut and tighten valve screw (shown) until it is fully threa

Transport - 86 JT20 Operator’s ManualTowCMW®

JT20 Operator’s Manual Conduct a Bore - 87CMW®Conduct a BoreChapter ContentsPosition Equipment . . . . . . . . . . . . . . . . . . . . . . . . 89Conn

Conduct a Bore - 88 JT20 Operator’s ManualCMW®Use AutoCarve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Record Bore Path . . . . . .

Foreword - 8 JT20 Operator’s ManualCMW®JT20Operator’s ManualIssue number 1.0/OM-5/13Part number 053-2633Copyright 2013by The Charles Machine Works, In

JT20 Operator’s Manual Conduct a Bore - 89Position EquipmentCMW®Position Equipment1. Review bore plan and select drilling unit position and fluid unit

Conduct a Bore - 90 JT20 Operator’s ManualStart SystemCMW®Start System1. Start drilling unit and remote fluid unit. Allow both engines to warm up.2. E

JT20 Operator’s Manual Conduct a Bore - 91Operate Carriage ControlCMW®Operate Carriage ControlDrillingDuring normal drilling operation, the thrust/rot

Conduct a Bore - 92 JT20 Operator’s ManualClamp PipeCMW®Clamp Pipe Clamp on pipe when joint is centered between wrenches (1 and 2). Always clamp on

JT20 Operator’s Manual Conduct a Bore - 93Assemble Drill StringCMW®Assemble Drill String1. bit2. beacon housing3. adapter4. collar5. transition sub6.

Conduct a Bore - 94 JT20 Operator’s ManualAssemble Drill StringCMW®Attach Beacon HousingUse machine torque to attach beacon housing.1. Pull beacon hou

JT20 Operator’s Manual Conduct a Bore - 95Drill First PipeCMW®Drill First Pipe1. Turn on drilling fluid.2. Set flow control to desired flow/pressure.

Conduct a Bore - 96 JT20 Operator’s ManualAdd PipeCMW®Add Pipe 1. Press top of drilling unit throttle switch until engine is at full throttle.2. Enabl

JT20 Operator’s Manual Conduct a Bore - 97Add PipeCMW®5. Connect pipe to saver sub:6. Connect new pipe to drill string: 7. Press and hold quick fill f

Conduct a Bore - 98 JT20 Operator’s ManualCorrect DirectionCMW®Correct DirectionCorrecting direction is a skill operators gain with experience and kno