Yanmar SK1050 Operator's Manual
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Yanmar SK1050 Operator's Manual

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SK1050
Yanmar® 3TNV88C
Operator's
Manual
Issue 3.0
053-2963
CMW®
Original Instruction

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Summary of Contents for Yanmar SK1050

  • Page 1 SK1050 Yanmar® 3TNV88C Operator’s Manual Issue 3.0 053-2963 CMW® 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 number and date of purchase in spaces provided. Serial number is located as shown. t53om001h.eps t53om001h.eps Item Date of manufacture Date of purchase Machine serial number...

  • Page 4: Intended Use

    Overview - 3 Intended Use Intended Use The SK1050 is a platform, rubber track compact tool carrier unit designed for medium-duty construction work. The machine has a quick attach plate which makes it easy for an operator to connect different attachments.

  • Page 5: Machine Components

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

  • Page 6: Operator Orientation

    SK1050 Operator’s Manual Overview - 5 Operator Orientation Operator Orientation IMPORTANT: Top view of machine is shown. 1. Front 2. Right side 3. Rear 4. Left side t53om003h.eps t53om003h.eps Operating Area IMPORTANT: Top view of machine is shown. Operator should stand only in the location shown.

  • 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. 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.

  • 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 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 Yanmar® 3TNV88C Issue number 3.0/OM-1/20 Part number 053-2963 Copyright 2016, 2018, 2020 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 Support The warranty policy for this machine and procedures for obtaining warranty consideration and training...

  • Page 12: Safety Awareness

    SK1050 Operator’s Manual Safety Awareness - 11 Safety Awareness Chapter Contents For additional precautions, see “Prepare” chapter. Guidelines ....... 12 Emergency Procedures .

  • Page 13: Guidelines

    SK1050 Operator’s Manual Safety Awareness - 12 Guidelines Guidelines Misuse of machine can cause death or serious injury. Read and understand operator’s manual and all other safety instructions before use. Know how to use all controls. Raised component. Crushing can cause death or serious injury.

  • Page 14: Emergency Procedures

    SK1050 Operator’s Manual Safety Awareness - 13 Emergency Procedures • Complete the equipment checklist located at www.ditchwitch.com/safe. Emergency Procedures Underground utilities. Contact can cause death or serious injury. Locate and verify underground utilities before digging or drilling. 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 Awareness - 14 Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged, DO NOT MOVE. Take the following actions. The order and degree of action will depend on the situation.

  • Page 16: Safety Alert Classification

    SK1050 Operator’s Manual Safety Awareness - 15 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 17: Machine Safety Alerts

    SK1050 Operator’s Manual Safety Awareness - 16 Machine Safety Alerts Machine Safety Alerts Lift point. See Transport chapter for more information. Tiedown location. See Transport chapter for more information. Pre-heater. Fire or explosion can cause death or serious injury. Never use starter fluid.
  • Page 18 SK1050 Operator’s Manual Safety Awareness - 17 Machine Safety Alerts Underground utilities. Contact can cause death or serious injury. Locate and verify underground utilities before digging or drilling. High noise levels. Exposure can cause hearing loss. Wear hearing protection. Raised component. Crushing can cause death or serious injury.
  • Page 19 SK1050 Operator’s Manual Safety Awareness - 18 Machine Safety Alerts...

  • Page 20: Prepare

    SK1050 Operator’s Manual Prepare - 19 Prepare Chapter Contents See “Safety Awareness” for additional precautions. Prepare Jobsite ......20 •...

  • Page 21: Prepare Jobsite

    SK1050 Operator’s Manual Prepare - 20 Prepare Jobsite Prepare Jobsite Underground utilities. Contact can cause death or serious injury. Locate and verify underground utilities before digging or drilling. To help avoid injury: • Expose lines by careful hand digging or soft excavation before operating equipment. Use appropriate equipment and procedures for exposing utility lines.

  • Page 22: Identify Hazards

    SK1050 Operator’s Manual Prepare - 21 Prepare Jobsite Identify Hazards Inspect jobsite before transporting equipment. Check for the following: • overall grade or slope • changes in elevation such as hills or open trenches • obstacles such as buildings, railroad crossings, or streams •...

  • Page 23: Locate Utilities

    SK1050 Operator’s Manual Prepare - 22 Prepare Jobsite Locate Utilities Notify One-Call Services Mark proposed path with white paint and have underground utilities located before working. • In the US or Canada, call 811 (US) or 888-258-0808 (US and Canada). Also contact any local utilities that do not participate in the One-Call service.

  • Page 24: Classify Jobsite

    SK1050 Operator’s Manual Prepare - 23 Prepare Jobsite Classify Jobsite Select a Classification Jobsites are classified according to underground hazards present, not by line being installed. Jobsite may have more than one classification. If working . . . then classify jobsite as . . .

  • Page 25: Arrange For Traffic Control

    SK1050 Operator’s Manual Prepare - 24 Prepare Jobsite Crystalline Dust Jobsite Precautions Silica dust. Exposure can cause lung disease or cancer. Use breathing protection. Crystalline silica dust is a naturally occurring substance found in soil, sand, concrete, granite, and quartz.

  • Page 26: Prepare Operator

    SK1050 Operator’s Manual Prepare - 25 Prepare Operator Prepare Operator Jobsite hazards. Exposure can cause death or serious injury. Use correct equipment and work methods. Use and maintain appropriate safety equipment. To help avoid injury: • Wear personal protective equipment including hard hat, safety eye wear, foot protection, hearing protection, and gloves (except when near rotating equipment).

  • Page 27: Prepare Equipment

    SK1050 Operator’s Manual Prepare - 26 Prepare Equipment Prepare Equipment Check Supplies • fuel • diesel exhaust fluid (DEF), if needed • marking flags or paint • notepad and pencil • spare fuses • lubricants Check Equipment Fluid Levels •...

  • Page 28: Assemble Accessories

    SK1050 Operator’s Manual Prepare - 27 Prepare Equipment Assemble Accessories If required, mount 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 29 SK1050 Operator’s Manual Prepare - 28 Prepare Equipment 6. Ensure pins are engaged by rotating attachment down. t43om007w.eps...
  • Page 30 SK1050 Operator’s Manual Prepare - 29 Prepare Equipment Hydraulic Connection If attachment requires hydraulic power for operation, connect hydraulic hoses. Pressurized fluid or air. Injection can cause death or serious injury. Refer to operator’s manual for correct use. To help avoid injury: •...
  • Page 31 SK1050 Operator’s Manual Prepare - 30 Prepare Equipment Dual Auxiliary Circuit 1. Ensure machine is shut off. 2. Activate accessories using ignition switch. 3. Operate auxiliary controls to relieve residual pressure at hydraulic couplers. 4. Remove dirt and debris from hydraulic couplers.

  • Page 32: Controls

    SK1050 Operator’s Manual Controls - 31 Controls Chapter Contents Attachment Plate ......32 Battery Disconnect ......33 Display Version 1 .

  • Page 33: Attachment Plate

    SK1050 Operator’s Manual Controls - 32 Attachment Plate Attachment Plate t43om034w.eps Item Description IMPORTANT 1. Level indicator To level bucket, adjust until To level other attachments, adjust indicator is at top of sleeve. until level and mark indicator position on sleeve. Use mark to indicate level with that attachment.

  • Page 34: Battery Disconnect

    SK1050 Operator’s Manual Controls - 33 Battery Disconnect Battery Disconnect t53om033w20.eps Item Description IMPORTANT Battery disconnect switch NOTICE: To disconnect, move left. To connect, move right. • Do not disconnect with engine running. • To avoid equipment damage, wait two minutes after turning engine off before disconnecting battery.

  • Page 35: Display Version 1

    SK1050 Operator’s Manual Controls - 34 Display Version 1 Display Version 1 Gauges and Indicators 1 2 3 STOP Engine Load START UP RPMx100 0.0V Tier4 t53om057w20.eps 1. High exhaust temperature indicator 9. Exhaust cleaning disabled indicator 10. Hourmeter 2. Air filter restriction indicator 3.
  • Page 36 SK1050 Operator’s Manual Controls - 35 Display Version 1 Item Description IMPORTANT 2. Air filter restriction Flashes when air filter See “Filter, Air” on page 78. indicator is restricted. 3. Hydraulic fluid Lights when hydraulic temperature indicator fluid temperature is too high.
  • Page 37 SK1050 Operator’s Manual Controls - 36 Display Version 1 Soft Keys STOP STOP Engine Engine Load Load START UP START UP RPMx100 RPMx100 0.0V 0.0V Tier4 t53om058w20.eps Item Description IMPORTANT Tier 4 menu key To select Tier 4 menu, press.

  • Page 38: Display Version 2

    SK1050 Operator’s Manual Controls - 37 Display Version 2 Display Version 2 Gauges and Indicators 00000 10:10 15.0 v x100 0000 t53om011w20.eps 1. Tachometer setpoint indicator 9. High exhaust temperature indicator 2. Hourmeter 10. Exhaust cleaning indicator 3. Engine load gauge 11.
  • Page 39 SK1050 Operator’s Manual Controls - 38 Display Version 2 Item Description IMPORTANT 2. Hourmeter Displays engine Use these times to schedule service. operating time. 3. Engine load gauge Displays engine load. 4. Throttle mode indicator Lights when throttle is Throttle has ten second delay when inhibited.
  • Page 40 SK1050 Operator’s Manual Controls - 39 Display Version 2 Soft Keys 00000 00000 10:10 10:10 15.0 v 15.0v x100 x100 0000 0000 t53om007w20.eps Item Description IMPORTANT Hide/Recall key To hide/recall diagnostic or interlock message, press. 2. Main menu key To select main menu, press.
  • Page 41 SK1050 Operator’s Manual Controls - 40 Display Version 2 Main Menu t53om009w20.eps 1. Brightness key 6. Previous selection key 2. User settings menu key 7. Next selection key 3. Diagnostics key 8. Select key 4. Exhaust cleaning menu key 9. Return key 5.
  • Page 42 SK1050 Operator’s Manual Controls - 41 Display Version 2 Item Description IMPORTANT 3. Diagnostics key To display engine and For use only by qualified Ditch Witch® controller diagnostic technicians. codes, press. If diagnostic codes are displayed, contact your Ditch Witch dealer.

  • Page 43: Gauges And Indicators

    SK1050 Operator’s Manual Controls - 42 Gauges and Indicators Gauges and Indicators t53om004w20.eps Item Description IMPORTANT 1. Hydraulic fluid level sight Shows level of hydraulic fluid glass in tank. 2. Fuel gauge Displays level of fuel. See “Approved Fuel” on page 70.

  • Page 44: Miscellaneous

    SK1050 Operator’s Manual Controls - 43 Miscellaneous Miscellaneous t53om008w20.eps Item Description IMPORTANT 1. Graphic display Displays graphic symbols for indicators and conditions. 2. Auxiliary outlet Provides power for other 12VDC, 5A equipment.

  • Page 45: Operator Station

    SK1050 Operator’s Manual Controls - 44 Operator Station Operator Station t53om005w20.eps 1. Left track drive control/Track drive joystick* 6. Worklight switch 2. Right track drive control/Track drive joystick* 7. Lift arm control 3. Parking brake switch 8. Attachment drive control 4.
  • Page 46 SK1050 Operator’s Manual Controls - 45 Operator Station Item Description IMPORTANT 1. Left track drive control To drive forward, push both controls forward. 2. Right track drive control To move in reverse, pull back. To go faster in any direction, move control farther from neutral position.
  • Page 47 SK1050 Operator’s Manual Controls - 46 Operator Station Item Description IMPORTANT 5. Ignition switch To activate accessories, turn right. To start engine, turn fully right. To shut off machine, turn left. c00ic377w.eps 6. Work light switch To turn on, press top.
  • Page 48 SK1050 Operator’s Manual Controls - 47 Operator Station Item Description IMPORTANT 9. Auxiliary circuit switch To toggle between primary Use this control based on attachment (1) and secondary (2) selection. auxiliary circuits, press. See “Hydraulic Connection” on page 29. c00ic226w.eps 10.
  • Page 49 SK1050 Operator’s Manual Controls - 48 Operator Station...

  • Page 50: Drive

    SK1050 Operator’s Manual Drive - 49 Drive Chapter Contents For additional precautions, see “Safety Awareness” and “Prepare” chapters. IMPORTANT: For more information on how to operate controls, see “Controls” chapter. Start ........50 Operate .

  • Page 51: Start

    SK1050 Operator’s Manual Drive - 50 Start Start EMERGENCY SHUTDOWN: Shut off machine or press remote engine stop button (if equipped). Misuse of machine can cause death or serious injury. Read and understand operator’s manual and all other safety instructions before use.

  • Page 52: Operate

    SK1050 Operator’s Manual Drive - 51 Operate Operate NOTICE: • Drive carefully in congested areas. Know machine’s clearance and turning radius. • Survey field of vision when operating machine. EMERGENCY EXIT: Release controls and step off platform. 1. Release parking brake.

  • Page 53: Slope Guidelines

    SK1050 Operator’s Manual Drive - 52 Operate Slope Guidelines Tipover. Crushing can cause death or serious injury. Follow procedure in operator’s manual. Drive cautiously. To help avoid injury: • Operate at slow speed when on rough terrain. • Avoid driving across slopes.

  • Page 54: Reduce Track Wear

    SK1050 Operator’s Manual Drive - 53 Shut Down Reduce Track Wear Rubber tracks are best suited at soil-based jobsites with minimal rocks and debris. To reduce track wear drive slowly and make wide turns. Avoid the following: • spinning tracks under heavy load •...
  • Page 55 SK1050 Operator’s Manual Drive - 54 Shut Down...

  • Page 56: Transport

    SK1050 Operator’s Manual Transport - 55 Transport Chapter Contents For additional precautions, see “Safety Awareness” and “Prepare” chapters. IMPORTANT: For more information on how to operate controls, see “Controls” chapter. Lift ........56 •...

  • Page 57: Lift

    SK1050 Operator’s Manual Transport - 56 Lift Lift Lifted load. Crushing weight can cause death or serious injury. Stay away from lifted load and its range of movement. 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 58: Haul

    SK1050 Operator’s Manual Transport - 57 Haul Haul Misuse of machine can cause death or serious injury. Read and understand operator’s manual and all other safety instructions before use. Know how to use all controls. To help avoid injury: •...

  • Page 59: Load

    SK1050 Operator’s Manual Transport - 58 Haul Load Horizontal movement. Crushing can cause death or serious injury. Read and understand operator’s manual and all safety instructions before use. To help avoid injury: Start and operate only from platform. 1. Release parking brake.

  • Page 60: Tie Down

    SK1050 Operator’s Manual Transport - 59 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 a transport chain around each tie down point. See chart below for correct distances between tiedown ends.

  • Page 61: Unload

    SK1050 Operator’s Manual Transport - 60 Retrieve Unload Horizontal movement. Crushing can cause death or serious injury. Read and understand operator’s manual and all safety instructions before use. To help avoid injury: Start and operate only from platform. 1. Prepare trailer and ramps for unloading.
  • Page 62 SK1050 Operator’s Manual Transport - 61 Retrieve 3. Attach chain to tow points shown facing towing vehicle. t43om001w20.eps t43om002w20.eps 4. Loosen bypass valves (shown) three turns. NOTICE: When bypass valves are open, machine has no brakes. 5. Remove blocks. 6. Release parking brake.
  • Page 63 SK1050 Operator’s Manual Transport - 62 Retrieve...

  • Page 64: Complete The Job

    SK1050 Operator’s Manual Complete the Job - 63 Complete the Job Chapter Contents For additional precautions, see “Safety Awareness” and “Prepare” chapters. Rinse Equipment ......64 Disconnect Attachment .
  • Page 65 SK1050 Operator’s Manual Complete the Job - 64 Rinse Equipment Rinse Equipment NOTICE: • Do not spray water onto operator’s console or electrical center in engine compartment. Water can damage electrical components. Wipe down instead. • Ensure all mud and debris is rinsed from tracks before parking unit overnight.

  • Page 66: Service

    SK1050 Operator’s Manual Service - 65 Service Chapter Contents For additional precautions, see “Safety Awareness” and “Prepare” chapters. Service Precautions ..... . . 66 •...

  • Page 67: Service Precautions

    SK1050 Operator’s Manual Service - 66 Service Precautions Service Precautions Jobsite hazards. Exposure can cause death or serious injury. Use correct equipment and work methods. Use and maintain appropriate safety equipment. To help avoid injury: • Wear personal protective equipment including hard hat, safety eye wear, foot protection, hearing protection, and gloves (except when near rotating equipment).

  • Page 68: Welding Precaution

    SK1050 Operator’s Manual Service - 67 Service Precautions Welding Precaution NOTICE: Welding can damage electronics. • Welding currents can damage electronic components. Always disconnect the ECU ground connection from the frame, harness connections to the ECU, and other electronic components prior to welding on machine or attachments.

  • Page 69: Recommended Lubricants

    SK1050 Operator’s Manual Service - 68 Recommended Lubricants Recommended Lubricants Item Description DEAC Diesel engine antifreeze/coolant, low silicate, fully-formulated meeting CES 14603 See “Approved Coolant” on page 69. Diesel engine oil meeting or exceeding API service classification CJ-4, ACEA E6, or JASO DH-2.

  • Page 70: Engine Oil Temperature Chart

    SK1050 Operator’s Manual Service - 69 Recommended Lubricants Engine Oil Temperature Chart SAE 10W-30 SAE 5W-30 SAE 15W-40 SAE 20 SAE 30 t43om040w.eps Temperature range anticipated before next oil change Approved Coolant NOTICE: • Use only pre-diluted coolant or concentrated coolant mixed with distilled water. Do not use tap water.

  • Page 71: Approved Fuel

    Ash buildup in DPF will have adverse effects on engine performance. The soot filter must be serviced every 3000 hours of operation or more often if high-ash oil and/or fuel is used. See your Yanmar engine distributor for this service.

  • Page 72: Service Interval Chart

    SK1050 Operator’s Manual Service - 71 Service Interval Chart Service Interval Chart IMPORTANT: Chart indicates first instance of repeated service procedures. See detailed information below. Adjust, service, or test Change, initial Lube, initial Check Change Lube Service Auxiliary lock control...

  • Page 73: Procedures

    SK1050 Operator’s Manual Service - 72 Procedures Service Lug nuts Oil, engine Parking brake Radiator/Hydraulic fluid cooler Track tension Procedures Auxiliary Lock Control Adjust if stepping on auxiliary foot control moves attachment drive control. 1. Remove back cover. 2. Loosen screw (2) until attachment drive control when attachment drive foot control is pressed down completely.
  • Page 74 SK1050 Operator’s Manual Service - 73 Procedures Battery Corrosive fluid. Contact can cause death or serious injury. Avoid contact. Wear appropriate gloves. See Safety Data Sheet (SDS) for more information. To help avoid injury: • Never attempt to charge a battery that is leaking, bulging, heavily corroded, frozen, or otherwise damaged.
  • Page 75 SK1050 Operator’s Manual Service - 74 Procedures Check 1. Disconnect battery at battery disconnect switch, if equipped. 2. Ensure no ignition sources are near battery. 3. Loosen and remove battery cable clamps carefully, negative (-) cable first. 4. Clean cable clamps and terminals to remove dull glaze.
  • Page 76 SK1050 Operator’s Manual Service - 75 Procedures Charge 1. Park service vehicle close to disabled equipment but do not allow vehicles to touch. 2. Set parking brake in both, if equipped. 3. Turn both off. 4. Disconnect machine controller, if equipped.
  • Page 77 SK1050 Operator’s Manual Service - 76 Procedures Belt, Fan Check at 50 hours and every 250 hours thereafter. Adjust tension as needed. Change every 500 hours. Check Check for excessive slack, damage, or wear. Belt is properly tensioned when it moves about 1/4-3/8”...
  • Page 78 SK1050 Operator’s Manual Service - 77 Procedures Dust Ejector Valve Check dust ejector valve (shown) before startup and every 10 hours. Ensure valve is not inverted, damaged, plugged, or cracked. t53om016w20.eps Engine Compartment NOTICE: Check more often if operating in large brush, grassy conditions, or if machine is being stored.
  • Page 79 SK1050 Operator’s Manual Service - 78 Procedures Filter, Air NOTICE: Only open air filter housing when red band on indicator is visible. Change the elements. Do not attempt to clean them. • Improperly installed primary element can lead to premature engine failure.
  • Page 80 SK1050 Operator’s Manual Service - 79 Procedures Filter, Hydraulic Fluid Change filter (shown) at 50 hours and every 250 hours thereafter. t53om020w20.eps Filter, Water Separator Check before startup and every 10 hours. Drain as needed. Check When red floating ring is raised, drain.
  • Page 81 SK1050 Operator’s Manual Service - 80 Procedures Fluid Hydraulic NOTICE: Change every 250 hours if jobsite temperature exceeds 100°F (38°C) more than 50% of the time. IMPORTANT: Ensure cylinders are fully retracted. Check before startup and every 10 hours. Change every 500 hours.
  • Page 82 SK1050 Operator’s Manual Service - 81 Procedures Fuse Box IMPORTANT: Leave cover in place unless fuses are being checked or replaced. Check fuse box cover for damage before startup. If cover is missing or damaged, replace. t53om060w20.eps...
  • Page 83 SK1050 Operator’s Manual Service - 82 Procedures Hydraulic Hoses Pressurized fluid or air. Injection can cause death or serious injury. Refer to operator’s manual for correct use. To help avoid injury: • Use a piece of cardboard or wood, rather than hands, to check for leaks.
  • Page 84 SK1050 Operator’s Manual Service - 83 Procedures Idler Roller Bearings Check idler roller bearings (shown) at 50 hours and every 250 hours thereafter. Adjust as needed. Check 1. Lift machine. 2. Release track tension. See “Track Tension” on page 86.
  • Page 85 SK1050 Operator’s Manual Service - 84 Procedures Intake Air Line NOTICE: Keep dust out of the intake air line to prevent damage to the engine. Check intake air line (shown) for dirt and debris every 250 hours. If clamp is loose, apply oil to threads and retighten.
  • Page 86 SK1050 Operator’s Manual Service - 85 Procedures Parking Brake Check before startup and every 10 hours. 1. Start engine. 2. Ensure parking brake pin (shown) moves freely allowing brake to be set and released. 3. Clean mud and debris from area around pin.
  • Page 87 SK1050 Operator’s Manual Service - 86 Procedures Track Tension Contents under pressure. Impact can cause death or serious injury. Relieve pressure before opening. To help avoid injury: • Service track grease cylinder only while standing away from zerk. • Cover connection with heavy cloth when relieving pressure in cylinder.
  • Page 88 SK1050 Operator’s Manual Service - 87 Procedures Pressure Gauge Adjustment Check 1. Lift track. 2. Remove gauge (1) from stored location. 3. Thread gauge into connection (2). 4. Track is correctly tensioned when gauge measures 700-900psi (48-62bar). Adjust 1. Lift track.
  • Page 89 SK1050 Operator’s Manual Service - 88 Procedures...

  • Page 90: Specifications

    Chapter Contents SK1050 ........90 Declaration of Conformity ....93...
  • Page 91 SK1050 Operator’s Manual Specifications - 90 SK1050 SK1050 t35om026w.eps Dimensions Metric Angle of departure 27° 27° Overall height of machine 57” 1450mm Hinge pin height, max 83” 2108mm Operating height, max, standard bucket 105” 2667mm Overall length of loader, no attachment 86”...
  • Page 92 Depending on the attachment, the actual operating capacity of the attachment may vary. * Includes machine weight, 175-lb (80-kg) bucket, 165-lb (75-kg) operator Power Plant Metric Engine: Yanmar® 3TNV88C, EPA Tier 4, EU Stage IIIa Fuel Diesel Number of cylinders Displacement 1.64L...
  • Page 93 SK1050 Operator’s Manual Specifications - 92 SK1050 Power Plant Metric Estimated net power rating (per SAE 1348) 35.1hp 23.2kW Rated engine speed 3000rpm 3000rpm Hydraulic System Metric Auxiliary: double gear pump Flow rate (pump 1) 8.8gpm 33L/min Flow rate (pump 2) 5.1gpm...
  • Page 94 SK1050 Operator’s Manual Specifications - 93 Declaration of Conformity Declaration of Conformity Countries in the European Union should have received a Declaration of Conformity (DOC) with this machine similar to the example below. The Charles Machine Works, Inc. PO Box 661959 West Fir Avenue...
  • Page 95 SK1050 Operator’s Manual Specifications - 94 Declaration of Conformity...
  • Page 96 SK1050 Operator’s Manual Support - 95 Registration Support Registration If your equipment was purchased through a Ditch Witch® dealer, it is already registered. If you purchased from any other source, please email productsupportwarrantyadmin@ditchwitch.com or fill out the registration card located in the back of the parts manual. Registration enables you to receive updates on this equipment as well as information on new products of interest.
  • Page 97 SK1050 Operator’s Manual Warranty - 96 Resources 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.

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