Kubota SK1050 Operator's Manual
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Kubota SK1050 Operator's Manual

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SK1050
Operator's
Manual
Issue 2.0
053-2963
Original Instruction

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Summary of Contents for Kubota SK1050

  • Page 1 SK1050 Operator’s Manual Issue 2.0 053-2963 Original Instruction...

  • Page 2: Table Of Contents

    SK1050 Operator’s Manual Overview - 1 Overview Chapter Contents Serial Number Location ..... . 2 Intended Use ....... 3 Equipment Modification .

  • Page 3: Serial Number Location

    SK1050 Operator’s Manual Overview - 2 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. Unit serial number is located as shown. t53om001h.eps t53om001h.eps Item date of manufacture date of purchase unit serial number...

  • Page 4: Intended Use

    The SK1050 is a platform, rubber track compact tool carrier unit designed for light-to medium-duty construction work. The SK1050 has a quick attach mount plate which makes it easy for an operator to connect different attachments. The unit is designed for operation in temperatures typically experienced in earth moving and construction work environments.

  • Page 5: Unit Components

    SK1050 Operator’s Manual Overview - 4 Unit Components Unit Components t53om002h.eps t53om002h.eps 1. Operator station 2. Tracks 3. Engine compartment 4. Lift arms 5. Attachment plate...

  • Page 6: Operator Orientation

    SK1050 Operator’s Manual Overview - 5 Operator Orientation Operator Orientation 1. Front of unit 2. Right side of unit 3. Rear of unit 4. Left side of unit t53om003h.eps t53om003h.eps...

  • Page 7: About This Manual

    SK1050 Operator’s Manual Overview - 6 About This Manual About This Manual This manual contains information for the proper use of this machine. See the beige Operation Overview pages for basic operating procedures. Cross references such as “See page 50” will direct you to detailed procedures.

  • Page 8: Foreword

    SK1050 Operator’s Manual Foreword - 7 Foreword This manual is an important part of your equipment. It provides safety information and operation ® instructions to help you use and maintain your Ditch Witch equipment. Read this manual before using your equipment. Keep it with the equipment at all times for future reference.
  • Page 9 SK1050 Operator’s Manual Foreword - 8 SK1050 Operator’s Manual Issue number 2.0 / OM-02/18 Part number 053-2963 Copyright 2016, 2018 by The Charles Machine Works, Inc. and Ditch Witch are registered trademarks of The Charles Machine Works, Inc. This product and its use may be covered by one or more patents at http://patents.charlesmachine.works.
  • Page 10 SK1050 Operator’s Manual Contents - 9 Contents Overview machine serial number, information about the type of work this machine is designed to perform, basic machine components, and how to use this manual Foreword part number, revision level, and publication date of this manual, and factory contact...
  • Page 11 SK1050 Operator’s Manual Contents - 10 Appendix ® additional information about Ditch Witch equipment...

  • Page 12: Safety

    SK1050 Operator’s Manual Safety - 11 Safety Chapter Contents Guidelines ....... . 12 California Proposition 65 Warning .

  • Page 13: Guidelines

    SK1050 Operator’s Manual Safety - 12 Guidelines Guidelines When you see this safety alert sign, carefully read and follow all instructions. YOUR SAFETY IS AT STAKE. Read this entire section before using your equipment. Follow these guidelines before operating any jobsite equipment: •...

  • Page 14: Emergency Procedures

    SK1050 Operator’s Manual Safety - 13 Emergency Procedures Emergency Procedures Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. Before operating any equipment, review emergency procedures and check that all safety precautions have been taken.

  • Page 15: If An Electric Line Is Damaged

    SK1050 Operator’s Manual Safety - 14 Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are on tractor, DO NOT MOVE. Remain on tractor and take the following actions. The order and degree of action will depend upon the situation.

  • Page 16: If A Gas Line Is Damaged

    SK1050 Operator’s Manual Safety - 15 Emergency Procedures If a Gas Line is Damaged Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark. 275-419 (2P) Explosion possible. Serious injury or equipment damage could occur.

  • Page 17: If A Fiber Optic Cable Is Damaged

    SK1050 Operator’s Manual Safety - 16 Emergency Procedures If a Fiber Optic Cable is Damaged Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur. Contact utility company. If Machine Catches on Fire Perform emergency shutdown procedure and then take the following actions. The order and degree of action will depend on the situation.

  • Page 18: Safety Alert Classification

    SK1050 Operator’s Manual Safety - 17 Safety Alert Classifications Safety Alert Classifications These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you, jobsite bystanders or your equipment. When you see these words and icons in the book or on the machine, carefully read and follow all instructions.

  • Page 19: Machine Safety Alerts

    SK1050 Operator’s Manual Safety - 18 Machine Safety Alerts Machine Safety Alerts Lift point. See Transport chapter for more information. 274-442 Tiedown location. See Transport chapter for more information. 274-318 Fire or explosion possible. Do not use starter fluid. 273-459 (2P), 274-206 (2P), 700-206 (2P)
  • Page 20 SK1050 Operator’s Manual Safety - 19 Machine Safety Alerts Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. 274-050; 274-724 (2P), 700-133 Exposure to high noise levels may cause hearing loss.
  • Page 21 SK1050 Operator’s Manual Safety - 20 Machine Safety Alerts...

  • Page 22: Controls

    SK1050 Operator’s Manual Controls - 21 Controls Chapter Contents Gauges and Indicators ..... 22 Graphic Display ......24 Service Interval Screen .

  • Page 23: Gauges And Indicators

    SK1050 Operator’s Manual Controls - 22 Gauges and Indicators Gauges and Indicators 1. Auxiliary outlet 3. Hydraulic fluid level sight glass 2. Graphic display 4. Fuel gauge Item Description Notes 1. Auxiliary outlet To operate work lights or other 12V devices, plug into...
  • Page 24 SK1050 Operator’s Manual Controls - 23 Gauges and Indicators Item Description Notes 2. Graphic display See “Graphic Display” on page 24. c00ic098w.eps 3. Hydraulic fluid sight Shows level of hydraulic fluid glass in tank. Maintain fluid at halfway point on glass.

  • Page 25: Graphic Display

    SK1050 Operator’s Manual Controls - 24 Graphic Display Graphic Display STOP Engine Load START UP RPMx100 0.0V Tier4 t43om026w.eps 1. High exhaust temperature indicator 11. Engine speed setpoint increase button 2. Air filter restriction indicator 12. Engine speed setpoint decrease button 3.
  • Page 26 SK1050 Operator’s Manual Controls - 25 Graphic Display Item Description Notes 1. High exhaust Indicates high exhaust IMPORTANT: Will light when exhaust temperature indicator temperature. cleaning (DPF regeneration) is occurring. c00ic101w.eps 2. Air filter restriction Indicator will begin flashing To view the air filter percentage before...
  • Page 27 SK1050 Operator’s Manual Controls - 26 Graphic Display Item Description Notes 5. Diagnostic message Appears when there is a Go to Diagnostics menu to see the indicator diagnostic trouble code. active and stored error messages. This indicates a warning code.
  • Page 28 SK1050 Operator’s Manual Controls - 27 Graphic Display Item Description Notes 8. Engine coolant Displays coolant temperature. IMPORTANT: If temperature goes temperature indicator above 230°F (110°C): 1. Stop operation, set throttle to low idle, and allow engine to cool. 2. Stop engine.
  • Page 29 SK1050 Operator’s Manual Controls - 28 Graphic Display Item Description Notes 12. Engine speed decrease To decrease engine speed, IMPORTANT: Each button press button push once. decreases engine by 360 rpm. To decrease to lowest speed, push twice. c00ic108w.eps 13. Menu button Press to go to the menu screen.
  • Page 30 SK1050 Operator’s Manual Controls - 29 Graphic Display Item Description Notes 16. Service reminders Press to go to the service button reminders screen. c00ic112w.eps 17. Engine RPM setpoint Indicates the current throttle IMPORTANT: indicator setpoint. • When in manual throttle mode, this is the RPM the engine will try to maintain.
  • Page 31 SK1050 Operator’s Manual Controls - 30 Graphic Display Item Description Notes 20. Engine percent load Displays the load on the gauge engine. c00ic115w.eps...

  • Page 32: Service Interval Screen

    SK1050 Operator’s Manual Controls - 31 Service Interval Screen Service Interval Screen ENGINE INTERVAL REMAINING HOUR ENG HRS RESET t43om032w.eps 1. Selected service reminder 6. Return to main gauge display 2. Service reminder interval 7. Interval decrease 3. Time remaining 8.
  • Page 33 SK1050 Operator’s Manual Controls - 32 Service Interval Screen Item Description Notes 5. Reset option Resets service reminder. 6. Return to main gauge Returns to the main gauge display display. c00ic121w.eps 7. Interval decrease Selects the previous reminder IMPORTANT: Use the Service...
  • Page 34 SK1050 Operator’s Manual Controls - 33 Service Interval Screen Item Description Notes 10. Down selection Will move the selection on the screen down. c00ic117w.eps...

  • Page 35: Controls

    SK1050 Operator’s Manual Controls - 34 Controls Controls 1. Left track drive control or 5. Ignition switch Track drive joystick (optional) 6. Lift arm control 2. Right track drive control or 7. Attachment drive control Track drive joystick (optional) 8. Auxiliary manifold circuit selector 3.
  • Page 36 SK1050 Operator’s Manual Controls - 35 Controls Item Description Notes 1. Left track drive control To move forward, push. To turn right, move left control farther forward than right control. 2. Right track drive To move backward, pull. control To turn left, move right control farther To go faster in either forward than left control.
  • Page 37 SK1050 Operator’s Manual Controls - 36 Controls Item Description Notes 4. Worklight switch To turn on, press top. To turn off, press bottom. c00ic048w.eps 5. Ignition switch To start engine, insert key and IMPORTANT: turn clockwise. • If engine does not start or stalls,...
  • Page 38 SK1050 Operator’s Manual Controls - 37 Controls Item Description Notes 8. Auxiliary manifold Push handle down to toggle IMPORTANT: Run auxiliary manifold circuit selector auxiliary manifold between in primary circuit (light off) unless primary and secondary secondary circuit is needed.

  • Page 39: Engine Compartment

    SK1050 Operator’s Manual Controls - 38 Engine Compartment Engine Compartment t53om004h.eps t53om004h.eps 1. Battery disconnect switch Item Description Notes 1. Battery disconnect To connect, turn clockwise. switch To disconnect, turn counterclockwise. c00ic156w.eps...

  • Page 40: Attachment Plate

    SK1050 Operator’s Manual Controls - 39 Attachment Plate Attachment Plate t43om034w.eps 1. Level indicator 2. Attachment latches Item Description Notes 1. Level indicator To level bucket, adjust bucket To level other attachments, adjust position until indicator is at attachment position until it is level.
  • Page 41 SK1050 Operator’s Manual Controls - 40 Attachment Plate...

  • Page 42: Prepare

    SK1050 Operator’s Manual Prepare - 41 Prepare Chapter Contents Gather Information ......42 • All Jobs ..........42 •...

  • Page 43: Gather Information

    SK1050 Operator’s Manual Prepare - 42 Gather Information Gather Information A successful job begins before you start working. The first step in planning is reviewing information already available about the job and jobsite. All Jobs Review Job Plan Review blueprints or other plans. Check for information about existing or planned structures, elevations, or proposed work that may be taking place at the same time.

  • Page 44: Inspect Site

    SK1050 Operator’s Manual Prepare - 43 Inspect Site Inspect Site Identify Hazards Inspect jobsite before transporting equipment. Check for the following: • changes in elevation such as hills or other open trenches • obstacles such as buildings, railroad crossings, or streams •...

  • Page 45: Classify Jobsite

    SK1050 Operator’s Manual Prepare - 44 Classify Jobsite Classify Jobsite 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.

  • Page 46: Apply Precautions

    SK1050 Operator’s Manual Prepare - 45 Classify Jobsite Apply Precautions Once classified, precautions appropriate for jobsite must be taken. Electric Jobsite Precautions Use one or both of these methods. • Expose line by careful hand digging or soft excavation. •...

  • Page 47: Check Supplies And Prepare Equipment

    SK1050 Operator’s Manual Prepare - 46 Check Supplies and Prepare Equipment Check Supplies and Prepare Equipment Check Supplies • fuel NOTICE: Use low sulfur or ultra low sulfur fuel only. • keys • lubricants • personal protective equipment, such as hard hat and safety glasses...

  • Page 48: Assemble Accessories

    SK1050 Operator’s Manual Prepare - 47 Connect Attachment 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 oil and electric fires. It should meet legal and regulatory requirements.
  • Page 49 SK1050 Operator’s Manual Prepare - 48 Connect Attachment 6. Pins will automatically engage. Read operator’s manual. Know how to use all controls. Your safety is at stake. To help avoid injury: Ensure proper connection by verifying that bottoms of lock pins are visible under attachment receiver plate (shown).

  • Page 50: Hydraulic Hoses

    SK1050 Operator’s Manual Prepare - 49 Connect Attachment Hydraulic Hoses If attachment requires hydraulic power for operation, connect hydraulic hoses. Pressurized fluid or air could pierce skin and cause severe injury. Refer to operator’s manual for proper use. To help avoid injury: •...
  • Page 51 SK1050 Operator’s Manual Prepare - 50 Connect Attachment Dual Circuit Auxiliary 1. Turn off engine. 2. Cycle attachment drive control to relieve residual pressure at hydraulic couplers. 3. Remove dirt and debris from hydraulic couplers. 4. Pull knob (6) to relieve residual pressure in manifold.

  • Page 52: Drive

    SK1050 Operator’s Manual Drive - 51 Drive Chapter Contents Start Unit ....... . . 52 Drive .
  • Page 53 SK1050 Operator’s Manual Drive - 52 Start Unit Start Unit Moving machine. Crushing can cause death or serious injury. To help avoid injury: Start and operate only from platform. 1. Ensure all controls are in neutral. 2. Set parking brake.
  • Page 54 SK1050 Operator’s Manual Drive - 53 Drive Read operator’s manual. Know how to use all controls. Your safety is at stake. To help avoid injury: Allow hydraulic fluid time to warm up before operating in cold weather. Cold hydraulic fluid can lengthen ground drive stopping time.
  • Page 55 SK1050 Operator’s Manual Drive - 54 Drive Safe Slope Operation Tipover possible. Machine can tip over and crush you. To help avoid injury: See “General Operation” on page 52. Operating safely on a slope depends upon many factors including: •...
  • Page 56 SK1050 Operator’s Manual Drive - 55 Shut Down Shut Down 1. Lower lift arms to ground. 2. Move all controls to neutral position. 3. Engage parking brake. 4. Move throttle to lowest position and allow machine to cool. 5. Turn ignition switch to STOP.
  • Page 57 SK1050 Operator’s Manual Drive - 56 Shut Down...

  • Page 58: Transport

    SK1050 Operator’s Manual Transport - 57 Transport Chapter Contents Lift ........58 •...

  • Page 59: Lift

    SK1050 Operator’s Manual Transport - 58 Lift Lift Crushing weight could cause death or serious injury. Stay away. To help avoid injury: Only lift unit without attachment installed. Points Lifting points are identified by lifting decals. Lifting at other points is unsafe and can damage machinery.

  • Page 60: Haul

    SK1050 Operator’s Manual Transport - 59 Haul Haul Load Crushing weight could cause death or serious injury. Stay away. To help avoid injury: • Load and unload trailer on level ground. • Incorrect loading can cause trailer swaying. • Attach trailer to vehicle before loading or unloading.

  • Page 61: Tie Down

    SK1050 Operator’s Manual Transport - 60 Haul Tie Down Points 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 are tight before transporting.

  • Page 62: Unload

    SK1050 Operator’s Manual Transport - 61 Haul Unload Crushing weight could cause death or serious injury. Stay away. To help avoid injury: • Load and unload trailer on level ground. • Attach trailer to vehicle before loading or unloading. •...

  • Page 63: Retrieve

    SK1050 Operator’s Manual Transport - 62 Retrieve Retrieve Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 Under normal conditions, unit should not be towed. If unit breaks down and retrieval is necessary: t43om010w.eps...
  • Page 64 SK1050 Operator’s Manual Transport - 63 Retrieve Prepare Unit for Towing 1. Block tracks. 2. Engage parking brake if engine will start (shown). t53om008h.eps t53om008h.eps 3. Loosen bypass valves (shown) three turns. IMPORTANT: Open bypass valves in both front and rear pumps.
  • Page 65 SK1050 Operator’s Manual Transport - 64 Retrieve...

  • Page 66: Complete The Job

    SK1050 Operator’s Manual Complete the Job - 65 Complete the Job Chapter Contents Rinse Equipment ......66 Disconnect Attachment .
  • Page 67 SK1050 Operator’s Manual Complete the Job - 66 Rinse Equipment Rinse Equipment 1. Spray water onto equipment to remove dirt and mud. NOTICE: Do not spray water onto operator’s console. Electrical components could be damaged. Wipe down instead. 2. Open hood and allow unit to cool. Remove debris from inside of unit.

  • Page 68: Service

    SK1050 Operator’s Manual Service - 67 Service Chapter Contents Precautions ......68 •...

  • Page 69: Precautions

    SK1050 Operator’s Manual Service - 68 Precautions Precautions Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 To help avoid injury: • Unless otherwise instructed, all service should be performed with engine off. •...

  • Page 70: Recommended Lubricants/Service Key

    SK1050 Operator’s Manual Service - 69 Recommended Lubricants/Service Key Recommended Lubricants/Service Key t46om009w.eps Item Description 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, phosphorous, and sulfur (low SAPs) oil.
  • Page 71 SK1050 Operator’s Manual Service - 70 Recommended Lubricants/Service Key ® Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. Service intervals listed are for minimum requirements. In extreme conditions, service machine more frequently. Use only genuine Ditch Witch parts, filters, approved lubricants, TJC, and approved coolants to maintain warranty.
  • Page 72 SK1050 Operator’s Manual Service - 71 Recommended Lubricants/Service Key Approved Fuel Tier 4 Engine (U.S., Canada, EU, and Japan) 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.
  • Page 73 SK1050 Operator’s Manual Service - 72 Recommended Lubricants/Service Key Exhaust Cleaning - Tier 4 Only This engine has a Diesel Particulate Filter (DPF) that purifies NOx emissions in the exhaust into nitrogen and water. The DPF system uses a small amount of engine lubricating oil to during the high-temperature combustion.

  • Page 74: Hour

    SK1050 Operator’s Manual Service - 73 Startup/10 Hour Startup/10 Hour Location Task Notes Check engine oil level Check engine air filter service indicator Check hydraulic fluid level Check brake operation Check lug nut torque 88-95 ft•lb (108-129 N•m) Check engine coolant level...
  • Page 75 SK1050 Operator’s Manual Service - 74 Startup/10 Hour Check Hydraulic Fluid Level Check hydraulic fluid level at startup and every 10 hours. Maintain fluid level at halfway point on sight glass (2), when engine is off, cylinders are fully retracted, and fluid is cool. If low, add THF at fill (1).
  • Page 76 SK1050 Operator’s Manual Service - 75 Startup/10 Hour 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 bottle. If low, add approved coolant.
  • Page 77 SK1050 Operator’s Manual Service - 76 Startup/10 Hour Check Track Tension Check track tension at startup and every 10 hours and adjust as needed. Adjust track tension using one of the two methods below, depending on machine configuration. Straight Edge Adjustment...
  • Page 78 SK1050 Operator’s Manual Service - 77 Startup/10 Hour Check Hydraulic Hoses Pressurized fluid or air could pierce skin and cause severe injury. Refer to operator’s manual for proper use. 270-6035 To help avoid injury: • Use a piece of cardboard or wood, rather than hands, to search for leaks.

  • Page 79: 50 Hour

    SK1050 Operator’s Manual Service - 78 50 Hour 50 Hour Location Task Notes Change engine oil and filter Initial service Change hydraulic fluid filter Initial Check fan belt tension and damage 1/4-1/3” (7-9 mm), initial Check fuel hose and clamp band...
  • Page 80 SK1050 Operator’s Manual Service - 79 50 Hour Check Fan Belt for Tension and Damage Check belt tension after 50 hours. Belt is properly tensioned when it moves 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.
  • Page 81 SK1050 Operator’s Manual Service - 80 50 Hour Check Lug Nut Torque Check lug nut torque at 10 hours, 50 hours and every 250 hours thereafter. Tighten to 88-95 ft•lb (108-129 N•m) as needed. t35om036w.eps Check Idler Roller Bearings Check for proper positioning of idler roller bearings at 50 hours and every 250 hours thereafter.

  • Page 82: 250 Hour

    SK1050 Operator’s Manual Service - 81 250 Hour 250 Hour Location Task Notes Change engine oil and filter Check intake air line Check fan belt for tension and damage 1/4-1/3” (7-9 mm) Change hydraulic filter Check lug nut torque 88-95 ft•lb (108-129 N•m)
  • Page 83 SK1050 Operator’s Manual Service - 82 250 Hour Check Fan Belt for Tension and Damage Check belt tension every 250 hours. Belt is properly tensioned when it moves 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.
  • Page 84 SK1050 Operator’s Manual Service - 83 250 Hour Check Idler Roller Bearings Check for proper positioning of idler roller bearings every 250 hours. To check: 1. Lift unit off ground. 2. Release track tension. See “Check Track Tension” on page 76.

  • Page 85: 500 Hour

    SK1050 Operator’s Manual Service - 84 500 Hour 500 Hour Location Task Notes Change fuel filter Change hydraulic fluid and filter Change water separator filter Change Fuel Filter Change filter every 500 hours. If you refuel from cans, replace filter more often.
  • Page 86 SK1050 Operator’s Manual Service - 85 500 Hour Change Water Separator Filter Change water separator filter every 500 hours. To change: 1. Turn off at valve (1). 2. Purge fuel out of filter by unscrewing bottom drain plug (2). 3. Unscrew bottom of filter (3).

  • Page 87: 1000 Hour

    SK1050 Operator’s Manual Service - 86 1000 Hour 1000 Hour Location Task Notes Change engine coolant Adjust valve clearance ® Yanmar certified technician Change Engine Coolant Drain cooling system at drain (2). Add approved coolant at fill (1) every 1000 hours.

  • Page 88: As Needed

    SK1050 Operator’s Manual Service - 87 As Needed As Needed Location Task Notes Change air filter Drain water separator filter Adjust attachment drive foot control Adjust idler roller bearings Check engine compartment for debris Check battery Charge battery Change Air Filter Change air filter when red band on indicator (1) is visible.
  • Page 89 SK1050 Operator’s Manual Service - 88 As Needed Drain Water Separator Filter Drain water separator filter when red float ring is raised, indicating water in the filter. 1. Turn off at valve (1). 2. Unscrew drain plug (2) at bottom and drain water out.
  • Page 90 SK1050 Operator’s Manual Service - 89 As Needed Adjust Idler Roller Bearings Adjust idler roller bearings to keep dirt, grass, and other foreign matter from damaging bearings as needed when hubs become loose. 1. Release track tension. See “Check Track Tension”...
  • Page 91 SK1050 Operator’s Manual Service - 90 As Needed Check Engine Compartment for Debris Keep engine compartment clear of all debris, manually. Do not use water or compressed air to remove debris for engine compartment. Check more often if operating in large brush, grassy conditions, or being stored.
  • Page 92 SK1050 Operator’s Manual Service - 91 As Needed Charge Battery Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. To help avoid injury: • Use a single 12V maximum source for charging. Do not connect to rapid chargers or dual batteries.
  • Page 93 SK1050 Operator’s Manual Service - 92 As Needed Charging Procedure (Engine Off) 1. Park service vehicle close to disabled equipment but do not allow vehicles to touch. Engage parking brake in both vehicles. 2. Turn the ignition switch to the OFF position in both vehicles, and turn off all electrical loads. Disconnect the machine controller.

  • Page 94: Specifications

    SK1050 Operator’s Manual Specifications - 93 SK1050 Basic Unit Specifications SK1050 Basic Unit Dimensions U.S. Metric Hinge pin height, max 83 in 2108 mm Operating height, max, standard bucket 105 in 2667 mm Overall height of machine 57 in 1450 mm...
  • Page 95 SK1050 Operator’s Manual Specifications - 94 SK1050 Basic Unit Dimensions U.S. Metric Bucket rollback angle, full height 90° 90° Dump angle, standard bucket at max dump height 35° 35° Bucket width, max 52 in 1321 mm Bucket width, min 36 in...
  • Page 96 SK1050 Operator’s Manual Specifications - 95 SK1050 Power Specifications SK1050 Power Specifications Power U.S. Metric ® Engine: Yanmar 3TNV88C, diesel, EPA Tier 4 Final, EU Stage IIIA Number of cylinders Displacement 100.1 in 1.64 L Bore 3.46 in 88 mm Stroke 3.54 in...
  • Page 97 SK1050 Operator’s Manual Specifications - 96 SK1050 Power Specifications...

  • Page 98: Support

    SK1050 Operator’s Manual Support - 97 Procedure Support Procedure ® Notify your dealer immediately of any malfunction or failure of Ditch Witch equipment. Always give model, serial number, and approximate date of your equipment purchase. This information should be recorded and placed on file by the owner at the time of purchase.
  • Page 99 SK1050 Operator’s Manual Warranty - 98 Warranty ® Ditch Witch Equipment and Replacement Parts Limited Warranty Policy Subject to the limitation and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by the Ditch Witch factory that fail due to a defect in material or workmanship within one (1) year of first commercial use.

  • Page 102: Service Record

    SK1050 Operator’s Manual Service Record - 101 Service Record Service Performed Date Hours...
  • Page 103 SK1050 Operator’s Manual Service Record - 102 Service Performed Date Hours...
  • Page 104 SK1050 Operator’s Manual Appendix - 103 Appendix Chapter Contents Engine Diagnostic Codes...
  • Page 105 Engine Diagnostic Trouble Codes P code FMI Part State P0336 Crank signal malfunction 522400 Crank speed sensor P0337 No crank signal P0341 Cam signal malfunction 522401 Cam speed sensor P0342 No cam signal P1341 Angle offset failure P0008 523249 Crank speed, cam speed sensor No signal on both crank and cam speed sensor P0123 Accelerator sensor 1 (excessive sensor output)
  • Page 106 P1434 DPF intermediate temperature sensor fault (high voltage) P1435 DPF intermediate temperature sensor fault (low voltage) 3250 DPF intermediate temperature sensor P0420 DPF intermediate temperature sensor temperature abnormal low DPF intermediate temperature sensor temperature abnormal high (post- P1426 injection failure) P2229 Atmospheric pressure sensor fault (high voltage) Atmospheric pressure sensor...
  • Page 107 P1641 High-pressure pump drive circuit (low side VB short-circuit) 522571 P1643 High-pressure pump drive circuit (low side GND short-circuit) P0629 High-pressure pump drive circuit (high side VB short-circuit) SCV (MPROP) P1642 High-pressure pump drive circuit (high side GND short-circuit) P0627 High-pressure pump drive circuit (open circuit) P062A High-pressure pump drive circuit (drive current (high level))
  • Page 108 P0404 EGR over-voltage fault P1404 EGR under-voltage fault 2791 P1409 EGR feedback malfunction U0401 EGR ECM data fault P0403 Open circuit between the EGR motor coils P1405 522579 Short circuit between the EGR motor coils EGR valve P0488 522580 EGR position sensor malfunction P148A 522581 EGR stuck open valve malfunction...

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