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ST37x Operator’s Manual

Overview - 3

Equipment Modification

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, regulations, equipment design
functionality/requirements and any required specialized testing.

Unit Components

1.

Operator station

2.

Tracks

3.

Engine compartment

4.

Trencher boom

1

1

22

33

44

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t54om003h.eps

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Summary of Contents for ST37x

Page 1: ...ST37x Operator s Manual 053 2977 Issue 1 0 Original Instruction...

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

Page 3: ...ion in temperatures typically experienced in earth moving and construction work environments Provisions may be required to operate in extreme temperatures Contact your Ditch Witch dealer Use in any ot...

Page 4: ...ger 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 applica...

Page 5: ...the beige Operation Overview pages 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...

Page 6: ...opy 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 D...

Page 7: ...number 1 0 OM 12 16 Part number 053 2977 Copyright 2016 by The Charles Machine Works Inc and Ditch Witch are registered trademarks of The Charles Machine Works Inc This product and its use may be cov...

Page 8: ...nning the installation path if needed preparing the jobsite for work and connecting attachments 37 Drive procedures for startup cold start driving and shutdown 45 Transport procedures for lifting haul...

Page 9: ...Contents 8 ST37x Operator s Manual Service Record a record of major service performed on the machine 105 Appendix additional information about Ditch Witch equipment 107...

Page 10: ...ifornia Proposition 65 Warning 10 Emergency Procedures 11 Electric Strike Description 11 If an Electric Line is Damaged 12 If a Gas Line is Damaged 13 If a Fiber Optic Cable is Damaged 14 If Machine C...

Page 11: ...ive 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 a...

Page 12: ...ow voltage current can injure or kill Many work related electrocutions result from contact with less than 440 volts Most electric strikes are not noticeable but indications of a strike include power o...

Page 13: ...y company to shut off power Do not return to jobsite or allow anyone into area until given permission by utility company If you suspect an electric line has been damaged and you are off tractor DO NOT...

Page 14: ...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...

Page 15: ...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...

Page 16: ...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 extr...

Page 17: ...Alerts Machine Safety Alerts 1 Tiedown location See Transport chapter for more information 274 318 2 Lift point See Transport chapter for more information 274 442 3 Fire or explosion possible Do not u...

Page 18: ...nual Know how to use all controls Your safety is at stake 273 475 6 Hot parts may cause burns Do not touch until cool or wear gloves 275 355 2 P 7 Exposure to high noise levels may cause hearing loss...

Page 19: ...Safety 18 ST37x Operator s Manual Machine Safety Alerts...

Page 20: ...ST37x Operator s Manual Controls 19 Controls Chapter Contents Gauges and Indicators 20 Graphic Display 22 Service Interval Screen 29 Controls 32 Engine Compartment 35...

Page 21: ...ators Gauges and Indicators 1 Auxiliary outlet 2 Graphic display 3 Hydraulic fluid level sight glass 4 Fuel gauge Item Description Notes 1 Auxiliary outlet To operate work lights or other 12V devices...

Page 22: ...Display on page 22 3 Hydraulic fluid sight glass Shows level of hydraulic fluid in tank Maintain fluid at halfway point on glass 4 Fuel gauge Shows level of fuel in tank NOTICE Use low sulfur or ultr...

Page 23: ...ndicator 9 DPF inhibited indicator 10 Hourmeter 11 Engine speed setpoint increase button 12 Engine speed setpoint decrease button 13 Menu button 14 Engine speed RPM 15 Throttle system state indicator...

Page 24: ...ace filter between 25 and 0 Reset after replacing air filter To view the air filter percentage before 25 unrestricted press the diagnostics menu button at any time 3 Hydraulic fluid temperature indica...

Page 25: ...Go to Diagnostics menu to see the active and stored error messages 6 Glow plug indicator Lights when ignition switch is on and engine ECU determines glow plugs are required to start machine 7 DPF rege...

Page 26: ...PORTANT System will remain in inhibited mode until unit is returned to automatic mode Manual exhaust cleaning DPF REGEN must be initiated through Tier 4 menu when this indicator is on See Exhaust Clea...

Page 27: ...ottle system state indicator Displays one of the three states of the throttle system Startup indicates the system is controlling its own throttle during startup conditions Auto indicates that the auto...

Page 28: ...NT When in manual throttle mode this is the RPM the engine will try to maintain When in auto throttle mode this indicates the full throttle setpoint 18 Tier 4 menu button Press to go to the exhaust cl...

Page 29: ...Controls 28 ST37x Operator s Manual Graphic Display 20 Engine percent load gauge Displays the load on the engine Item Description Notes c00ic115w eps...

Page 30: ...election 10 Down selection Item Description Notes 1 Selected service reminder Displays current service reminder Service reminders are programmed to follow initial service reminders See the Service cha...

Page 31: ...y 7 Interval decrease Selects the previous reminder or parameter or decreases service intervals by 10 hours IMPORTANT Use the Service chapter beginning on page 65 to set service reminder intervals 8 I...

Page 32: ...ST37x Operator s Manual Controls 31 Service Interval Screen 10 Down selection Will move the selection on the screen down Item Description Notes c00ic117w eps...

Page 33: ...rive control or Track drive joystick optional 2 Right track drive control or Track drive joystick optional 3 Parking brake switch 4 Ignition switch 5 Boom lift control 6 Attachment drive control 7 Att...

Page 34: ...t or right Unit will gradually turn left or right To steer while moving backward pull joystick back then move left or right Unit will gradually turn left or right For tight steering in low speed move...

Page 35: ...rack drive controls 7 Attachment drive foot control To hold attachment drive in engaged position forward or reverse move lever in desired direction and press pedal To return attachment drive control t...

Page 36: ...s 35 Engine Compartment Engine Compartment 1 Battery disconnect switch Item Description Notes 1 Battery disconnect switch To connect turn clockwise To disconnect turn counterclockwise 1 1 t53om004h ep...

Page 37: ...Controls 36 ST37x Operator s Manual Engine Compartment...

Page 38: ...tion 38 All Jobs 38 Ground Penetrating Jobs 38 Above Ground Jobs 38 Inspect Site 39 Identify Hazards 39 Classify Jobsite 40 Select a Classification 40 Apply Precautions 41 Check Supplies and Prepare E...

Page 39: ...lan for Emergency Services Have the telephone numbers for local emergency and medical facilities on hand Check that you will have access to a telephone Ground Penetrating Jobs Notify One Call Services...

Page 40: ...s of utilities buried utility notices utility facilities without overhead lines gas or water meters junction boxes drop boxes light poles manhole covers sunken ground traffic access soil type and cond...

Page 41: ...xcavation area with white paint and have underground utilities located before working Verify location of previously marked underground hazards Mark jobsite clearly and keep spectators away Remember jo...

Page 42: ...ccurring 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 Other Jobsite Precautions...

Page 43: ...vels fuel hydraulic fluid battery charge engine oil Condition and Function all controls parking brake pins See Check Brake Operation on page 72 filters air oil hydraulic tracks pumps and motors hoses...

Page 44: ...Assemble 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 o...

Page 45: ...Prepare 44 ST37x Operator s Manual Check Supplies and Prepare Equipment...

Page 46: ...ST37x Operator s Manual Drive 45 Drive Chapter Contents Start Unit 46 Drive 46 Shut Down 48...

Page 47: ...ake 2 Pull boom lift control to raise boom off ground 3 Move track drive control to steer unit See page 33 4 Adjust throttle as needed NOTICE Start and operate only from the platform Only operate in w...

Page 48: ...operation accordingly Maximum engine angle and braking performance are two absolute limits which must never be exceeded These maximums are stated below since they are design limits These design limit...

Page 49: ...Drive 48 ST37x Operator s Manual Shut Down Shut Down 1 Lower boom to ground 2 Move all controls to neutral position 3 Engage parking brake 4 Turn ignition switch to STOP 5 Remove key...

Page 50: ...ST37x Operator s Manual Transport 49 Transport Chapter Contents Lift 50 Points 50 Procedure 50 Haul 51 Load 51 Tie Down 52 Unload 53 Retrieve 54...

Page 51: ...hoist capable of supporting the equipment s size and weight See Specifications on page 97 or measure and weigh equipment before lifting Use three lift points as shown Crushing weight If load falls or...

Page 52: ...re in neutral position 10 Turn ignition switch to STOP 11 Tie down unit Crushing weight If load falls or moves it could kill or crush you Use proper procedures and equipment or stay away To help avoid...

Page 53: ...Tiedown points are identified by tiedown decals Securing to truck or trailer at other points is unsafe and can damage machinery Procedure Loop tiedowns around unit at tiedown points Make sure tiedowns...

Page 54: ...w 6 Adjust throttle to low speed and 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 a...

Page 55: ...istances at less than 1 mph 1 6 km h do not tow for more than 100 30 m use no more than 1 300 lb 5800 N of towing force open bypass valve on each pump section if engine will not start remove rear pane...

Page 56: ...ree turns Return Unit to Normal Operation 1 Tighten bypass valves and tighten locknut to 15 18 ft lb 20 25 N m 2 Disengage parking brake 3 Unblock tracks IMPORTANT Open bypass valves in both front and...

Page 57: ...Transport 56 ST37x Operator s Manual Retrieve...

Page 58: ...ST37x Operator s Manual Trench 57 Trench Chapter Contents Set Up 58 Adjust Boom Position 59 Trench 60...

Page 59: ...way To help avoid injury Use attachments or counterweights to make front and rear loads balance when all attachments are raised Contact your Ditch Witch dealer about counterweighting for your equipmen...

Page 60: ...ition Adjust Boom Position 1 Engage parking brake 2 Shut down unit 3 Loosen four bolts 1 on both sides of pivot frame 3 4 Raise bar 2 and slide boom to desired position 5 Lower bar into a slot 6 Tight...

Page 61: ...ore 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 To help avoid injury Comply with all utility notifica...

Page 62: ...d drive control to neutral 8 Adjust throttle to low idle 9 Raise boom 10 As boom clears top of trench move attachment speed direction control to neutral 11 Drive a short distance away from work site 1...

Page 63: ...Trench 62 ST37x Operator s Manual Trench...

Page 64: ...ST37x Operator s Manual Complete the Job 63 Complete the Job Chapter Contents Rinse Equipment 64 Stow Tools 64...

Page 65: ...allow unit to cool Remove debris from inside of unit 3 Remove mud from track sprockets 4 Wash undercarriage Pay special attention to brake pin area Stow Tools Make sure all tools and accessories are l...

Page 66: ...ce 65 Service Chapter Contents Precautions 66 Welding Precaution 66 Recommended Lubricants Service Key 67 10 Hour 71 Power Unit 71 Trencher 76 50 Hour 78 250 Hour 81 500 Hour 84 1000 Hour 86 As Needed...

Page 67: ...s to ground NOTICE Welding can damage electronics Disconnect battery to prevent damage to battery Do not turn off battery disconnect switch with engine running or alternator and other electronic devic...

Page 68: ...d maintenance see your engine manual Item Description DEO Diesel engine oil meeting or exceeding API service classification CJ 4 ACEA E6 or JASO DH 2 No synthetics Engine must use low sulfated ash pho...

Page 69: ...ES Compleat coolant This coolant is available pre diluted from your Ditch Witch dealer as part number 255 1055 Contact your Cummins service partner for a full list of approved coolants meeting CES 146...

Page 70: ...f certain steps are taken Extra attention is needed when using biodiesel especially when operating in cold weather or storing fuel Contact your Ditch Witc h dealer or the engine manufacturer for more...

Page 71: ...finished The exhaust cleaning inhibited icon will light and remain on until the system is returned to automatic exhaust cleaning mode The exhaust cleaning icon will light when the system is inhibited...

Page 72: ...ngine Location Task Notes Power Unit Check engine oil level DEO Check engine air filter service indicator Check hydraulic fluid level THF Check brake operation Check lug nut torque 88 95 ft lb 108 129...

Page 73: ...alfway point on sight glass 2 when engine is off cylinders are fully retracted and fluid is cool If low add THF at fill 1 Check Brake Operation Check brake operation at startup and every 10 hours or m...

Page 74: ...ighten to 88 95 ft lb 108 129 N m as needed Check Coolant Level Check coolant level at overflow coolant bottle with engine cool at startup and every 10 hours Maintain coolant level at 1 3 point on bot...

Page 75: ...er Separator Filter on page 88 Check Track Tension Check track tension at startup and every 10 hours and adjust as needed Track is correctly tensioned when gauge measures between 700 900 psi 48 62 bar...

Page 76: ...r leaks Wear protective clothing including gloves and eye protection Before disconnecting a hydraulic line turn engine off and operate all controls to relieve pressure Lower block or support any raise...

Page 77: ...istance A from bottom of boom to chain When properly tensioned distance A should be 1 5 2 0 38 51 mm 1 Loosen jam nut on adjustment screw shown 2 To tighten digging chain turn adjustment screw clockwi...

Page 78: ...int Bar Position Check restraint bar position every 10 hours or anytime the digging chain is adjusted or replaced The restraint bar is properly positioned when the end of bar extends between the cente...

Page 79: ...ask Notes Change engine oil and filter initial service Check fan belt tension and damage 1 4 1 3 7 9 mm initial Change hydraulic fluid filter initial Check fuel hose and clamp band Check radiator hydr...

Page 80: ...bands every 50 hours If the clamp is loose apply oil to the threads and retighten it If the hose is worn replace it Bleed the fuel system if the hose and or clamp is changed Check Radiator Fluid Coole...

Page 81: ...proper positioning of idler roller bearings at 50 hours and every 250 hours thereafter To check 1 Lift unit off ground 2 Release track tension See Check Track Tension on page 74 3 Check for movement o...

Page 82: ...eads and retighten it If the hose appears cracked or worn replace it Location Task Notes Change engine oil and filter DEO Check intake air line Check fan belt for tension and damage 1 4 1 3 7 9 mm Cha...

Page 83: ...s about 1 4 3 8 7 9 mm when pushed at the long span Replace the belt when it is worn and sinks into the pulley groove Adjust Tension 1 Loosen two alternator bolts shown 2 Adjust position as needed 3 T...

Page 84: ...ngs Check for proper positioning of idler roller bearings every 300 hours To check 1 Lift unit off ground 2 Release track tension See Check Track Tension on page 74 3 Check for movement of each hub wh...

Page 85: ...luid and Filter Change hydraulic fluid and filter every 500 hours Change every 250 hours if jobsite temperature exceeds 100 F 38 C more than 50 of the time 1 Remove drain plug 3 2 Drain fluid and repl...

Page 86: ...of filter 3 4 Replace filter 4 5 Screw bottom of filter back on 6 Turn on at valve Change Fan Belt Change fan belt every 500 hours Belt is properly tensioned when it moves about 1 4 3 8 7 9 mm when pu...

Page 87: ...Location Task Notes Change engine coolant Adjust valve clearance Yanmar certified technician NOTICE The use of non approved coolant may lead to engine damage or premature engine failure and will void...

Page 88: ...ir filter Drain water separator filter Adjust attachment drive foot control Adjust idler roller bearings Check battery Charge battery Trencher Check digging chain rollers sidebars pins and bushings Ch...

Page 89: ...ilter housing with dust ejector facing downward 7 Reset air filter service indicator Drain Water Separator Filter Drain water separator filter when red float ring is raised indicating water in the fil...

Page 90: ...and grille to loosen screw 2 3 Repeat steps 1 and 2 until attachment drive control handle remains in neutral when pedal is pressed completely 4 Install back cover and grille To adjust control handle...

Page 91: ...en the castle nut 7 Hand tighten the castle nut 8 Insert the cotter pin into the wheel spindle 6 9 Bend the legs of the cotter pin over the top of the spindle 10 Replace dust cap retainer and lug nuts...

Page 92: ...e cable first 4 Clean cable clamps and terminals to remove dull glaze 5 Check for signs of internal corrosion in cables 6 Connect battery cable clamps positive cable first 7 Tighten any loose connecti...

Page 93: ...tions 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 e...

Page 94: ...e 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 f...

Page 95: ...maintain original tooth pattern Depending on soil conditions and type of chain a different configuration might produce better results Contact your authorized Ditch Witch dealer for more information ab...

Page 96: ...nd adjust seat belt 2 Start unit See page 46 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 Engag...

Page 97: ...Service 96 ST37x Operator s Manual As Needed...

Page 98: ...machine excluding tracks 35 in 890 mm L2 Wheelbase track length 43 in 1092 mm A2 Angle of departure 27 27 A3 Angle of approach 30 30 Ground clearance min center 7 4 in 188 mm Ground clearance min side...

Page 99: ...cylinders 3 Displacement 100 1 in3 1 64 L3 Bore 3 46 in 88 mm Stroke 3 54 in 90 mm Manufacturer s gross power rating per SAE J1955 36 9 hp 27 5 kW Estimated net power rating per SAE 1348 35 1 hp 26 2...

Page 100: ...r Chain speed 369 fpm 112 m min Ground drive dual hydrostat Flow rate 15 gpm 56 8 L min Pressure 3625 psi 250 bar Fluid Capacities U S Metric Fuel tank 10 5 gal 40 L Engine oil with filter 5 0 qt 4 7...

Page 101: ...Specifications 100 ST37x Operator s Manual ST37x...

Page 102: ...ase 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...

Page 103: ...ILITY 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 WARRANTI...

Page 104: ......

Page 105: ......

Page 106: ...ST37x Operator s Manual Service Record 105 Service Record Service Performed Date Hours...

Page 107: ...Service Record 106 ST37x Operator s Manual Service Performed Date Hours...

Page 108: ...ST37x Operator s Manual Appendix 107 Appendix Chapter Contents Engine Diagnostic Codes...

Page 109: ...water temperature sensor fault high voltage P0117 4 Cooling water temperature sensor fault low voltage P0217 0 Cooling water temperature abnormal high overheat P0113 3 New air temperature sensor faul...

Page 110: ...or 2 coil short circuit P1265 3 Injector 2 short circuit P0201 5 Injector 3 open circuit inherent location of the injector P0262 6 Injector 3 coil short circuit P1262 3 Injector 3 short circuit P0203...

Page 111: ...imp home P0219 190 16 Overspeed Overspeed P0660 5 No load of throttle valve drive H bridge circuit P1658 3 Power short circuit of throttle valve drive H bridge output 1 P1659 4 GND short circuit of th...

Page 112: ...EGR high temperature thermistor malfunction P1411 522184 1 EGR low temperature thermistor malfunction U1401 522617 12 EGR target value out of range P1438 522746 12 Exhaust throttle voltage fault P1439...

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