Ditch Witch SK755 Operator's Manual
  1. Manuals
  2. Brands
  3. Ditch Witch Manuals
  4. Mini Skid Steers
  5. SK755
  6. Operator's manual

Ditch Witch SK755 Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

SK750/SK755
Operator's
Manual
Issue 1.0
®
053-2570
CMW
Original Translation

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SK755 and is the answer not in the manual?

Questions and answers

Related Manuals for Ditch Witch SK755

Summary of Contents for Ditch Witch SK755

  • Page 1 SK750/SK755 Operator’s Manual Issue 1.0 ® 053-2570 Original Translation...

  • Page 2: Table Of Contents

    SK750/SK755 Operator’s Manual Overview - 2 Overview Chapter Contents Serial Number Location ..... . 3 Intended Use ....... 4 Equipment Modification .

  • Page 3: Serial Number Location

    SK750/SK755 Operator’s Manual Overview - 3 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. Unit serial number is located as shown. t35om034w.eps Item date of manufacture date of purchase unit serial number...

  • Page 4: Intended Use

    The SK750/SK755 is a platform, rubber track mini skid steer unit designed for light-to medium-duty construction work. The SK750/SK755 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

    SK750/SK755 Operator’s Manual Overview - 5 Unit Components Unit Components t35om001w.eps 1. Operator station 2. Tracks 3. Engine compartment 4. Lift arms 5. Mount plate...

  • Page 6: Operator Orientation

    SK750/SK755 Operator’s Manual Overview - 6 Operator Orientation Operator Orientation 1. Front of unit 2. Right side of unit 3. Rear of unit 4. Left side of unit t35om002w.eps...

  • Page 7: About This Manual

    SK750/SK755 Operator’s Manual Overview - 7 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

    If you sell your equipment, be sure to give this manual to the new owner. If you need a replacement copy, contact your Ditch Witch dealer. If you need assistance in locating a dealer, visit our website at www.ditchwitch.com or write to the following address: The Charles Machine Works, Inc.
  • Page 9 SK750/SK755 Operator’s Manual Foreword - 9 SK750/755 Operator’s Manual Issue number 1.0/OM-9/12 Part number 053-2570 Copyright 2012 by The Charles Machine Works, Inc. , Ditch Witch, CMW, and Roto Witch are registered trademarks of The Charles Machine Works, Inc.

  • Page 10: Complete The Job

    SK750/SK755 Operator’s Manual Contents - 10 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: Sk750/Sk755 Operator's Manual Contents

    SK750/SK755 Operator’s Manual Contents - 11...

  • Page 12: Safety

    SK750/SK755 Operator’s Manual Safety - 12 Safety Chapter Contents Guidelines ....... . 13 Safety Alert Classifications .

  • Page 13: Guidelines

    Use equipment carefully. Stop operation and investigate anything that does not look or feel right. • Do not operate unit where flammable gas is present. • Contact your Ditch Witch dealer if you have any question about operation, maintenance, or equipment use.

  • Page 14: Safety Alert Classifications

    SK750/SK755 Operator’s Manual Safety - 14 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 15: Safety Alerts

    SK750/SK755 Operator’s Manual Safety - 15 Safety Alerts Safety Alerts Moving digging teeth will kill you or cut off arm or leg. Stay away. Turning shaft will kill you or crush arm or leg. Stay away. Electric shock. Contacting electric lines will cause death or serious injury.
  • Page 16 SK750/SK755 Operator’s Manual Safety - 16 Safety Alerts Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. Improper control function could cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced.
  • Page 17 SK750/SK755 Operator’s Manual Safety - 17 Safety Alerts Tipover possible. Machine can tip over and crush you. • Always operate with load end uphill. • Always carry load low. High load can cause tipping, loss of load or loss of visibility.

  • Page 18: Emergency Procedures

    SK750/SK755 Operator’s Manual Safety - 18 Emergency Procedures Emergency Procedures Before operating any equipment, review emergency procedures and check that all safety precautions have been taken. EMERGENCY SHUTDOWN - Turn ignition switch to STOP. Electric Strike Description When working near electric cables, remember the following: •...

  • Page 19: If An Electric Line Is Damaged

    SK750/SK755 Operator’s Manual Safety - 19 Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are on platform, DO NOT MOVE. Remain on platform and take the following actions. The order and degree of action will depend upon the situation.

  • Page 20: If A Fiber Optic Cable Is Damaged

    SK750/SK755 Operator’s Manual Safety - 20 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. 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 21 SK750/SK755 Operator’s Manual Safety - 21 Emergency Procedures...

  • Page 22: Controls

    SK750/SK755 Operator’s Manual Controls - 22 Gauges and Indicators Controls Gauges and Indicators t35om003w.eps 1. Glow plug button 6. Ignition switch 2. Engine coolant temperature gauge 7. Hourmeter 3. Engine oil pressure indicator 8. Engine coolant temperature indicator 4. Hydraulic fluid temperature indicator 9.
  • Page 23 SK750/SK755 Operator’s Manual Controls - 23 Gauges and Indicators Item Description Notes 1. Glow plug button To help start cold engine, turn IMPORTANT: Press glow plug button ignition switch to first position. according to temperatures below. Press glow plug button as •...
  • Page 24 SK750/SK755 Operator’s Manual Controls - 24 Gauges and Indicators Item Description Notes 6. Ignition switch To start engine, insert key and IMPORTANT: turn clockwise. • If engine does not start or stalls, To stop engine, turn key turn key to STOP and then counterclockwise.
  • Page 25 SK750/SK755 Operator’s Manual Controls - 25 Controls Controls t35om004w.eps 1. Left track drive control or 5. Lift arm control Track drive joystick (optional) 6. Attachment drive control 2. Right track drive control or 7. Attachment drive foot control Track drive joystick (optional) 3.
  • Page 26 SK750/SK755 Operator’s Manual Controls - 26 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 27 SK750/SK755 Operator’s Manual Controls - 27 Controls Item Description Notes 4. Parking brake lever To engage, rotate lever counterclockwise. To disengage, rotate lever clockwise. c00ic662w.eps 5. Lift arm control To move lift arms down, push. IMPORTANT: Exercise caution when lifting loads. See page 75 for To float, push forward to end.
  • Page 28 SK750/SK755 Operator’s Manual Controls - 28 Engine Compartment Engine Compartment t35om016w.eps 1. Hydraulic Fluid Bypass 2. Auxiliary outlet Item Description Notes 1. Hydraulic Fluid Bypass To open bypass valve, pull IMPORTANT: and rotate knob until it seats in the open position.
  • Page 29 SK750/SK755 Operator’s Manual Controls - 29 Tool Carrier Tool Carrier 1. Level indicator 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 30: Prepare

    SK750/SK755 Operator’s Manual Prepare - 30 Prepare Chapter Contents Gather Information ......31 • All Jobs ..........31 •...

  • Page 31: Gather Information

    SK750/SK755 Operator’s Manual Prepare - 31 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 32: Inspect Site

    SK750/SK755 Operator’s Manual Prepare - 32 Inspect Site Inspect Site 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 33: Classify Jobsite

    SK750/SK755 Operator’s Manual Prepare - 33 Classify Jobsite Classify Jobsite Inspect Jobsite • Inspect jobsite and perimeter for evidence of underground hazards, such as: – “buried utility” notices – utility facilities without overhead lines – gas or water meters – junction boxes –...

  • Page 34: Apply Precautions

    SK750/SK755 Operator’s Manual Prepare - 34 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 35: Check Supplies And Prepare Equipment

    SK750/SK755 Operator’s Manual Prepare - 35 Check Supplies and Prepare Equipment Check Supplies and Prepare Equipment Supplies • fuel NOTICE: Use low sulfur or ultra low sulfur fuel only. • keys • lubricants • personal protective equipment, such as hard hat and safety glasses Fluid Levels •...

  • Page 36: Connect Attachment

    SK750/SK755 Operator’s Manual Prepare - 36 Connect Attachment Connect Attachment NOTICE: Use only Ditch Witch-approved attachments. Attachments can change the stability and operating characteristics of the unit. Attachment IMPORTANT: Before connecting attachment to unit, ensure that mount and receiver plates are free of dirt and debris.
  • Page 37 SK750/SK755 Operator’s Manual Prepare - 37 Connect Attachment Hydraulic Hoses If attachment requires hydraulic power for operation, connect hydraulic hoses. Pressurized fluid or air could pierce skin and cause injury or death. Stay away. To help avoid injury: • Escaping pressurized fluid can cause injury or pierce skin and poison.

  • Page 38: Drive

    SK750/SK755 Operator’s Manual Drive - 38 Drive Chapter Contents Start Unit ....... . . 39 Drive .
  • Page 39 SK750/SK755 Operator’s Manual Drive - 39 Start Unit Start Unit 1. Ensure all controls are in neutral. 2. If necessary, use glow plugs and/or hydraulic fluid bypass control to warm cold engine. See “Hydraulic Fluid Bypass” on page 28. 3. Move throttle to half open.
  • Page 40 SK750/SK755 Operator’s Manual Drive - 40 Drive Safe Slope Operation Tipover possible. Machine can tip over and crush you. To help avoid injury: • Always operate with heavy end uphill. • Always carry load low. High load can cause tipping, loss of load or loss of visibility.
  • Page 41 SK750/SK755 Operator’s Manual Drive - 41 Shut Down Shut Down 1. Lower lift arms to ground. 2. Move all controls to neutral position. 3. Apply parking brake. 4. Run engine at low idle for five minutes to cool. NOTICE: Failure to allow engine to cool before shutdown may damage turbocharger.

  • Page 42: Transport

    SK750/SK755 Operator’s Manual Transport - 42 Transport Chapter Contents Lift ........43 •...

  • Page 43: Lift

    SK750/SK755 Operator’s Manual Transport - 43 Lift Lift Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: Only lift unit without attachment installed. Points Lifting points are identified by lifting decals.

  • Page 44: Haul

    SK750/SK755 Operator’s Manual Transport - 44 Haul Haul Load Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Load and unload trailer on level ground.

  • Page 45: Tie Down

    SK750/SK755 Operator’s Manual Transport - 45 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 46: Unload

    SK750/SK755 Operator’s Manual Transport - 46 Haul Unload Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Load and unload trailer on level ground.

  • Page 47: Tow

    SK750/SK755 Operator’s Manual Transport - 47 Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. Under normal conditions, unit should not be towed. If unit breaks down and towing is necessary: t35om006w.eps t35om007w.eps front tow point rear tow point •...
  • Page 48 SK750/SK755 Operator’s Manual Transport - 48 Prepare Unit for Towing 1. Block tracks. 2. Engage parking brake (shown). t35om008w.eps 3. Loosen bypass valves (shown) three turns. IMPORTANT: Open bypass valves in both front and rear pumps. NOTICE: When bypass valves are open, unit has no brakes.
  • Page 49 SK750/SK755 Operator’s Manual Transport - 49...

  • Page 50: Complete The Job

    SK750/SK755 Operator’s Manual Complete the Job - 50 Complete the Job Chapter Contents Rinse Equipment ......51 Disconnect Attachment .

  • Page 51: Complete The Job

    SK750/SK755 Operator’s Manual Complete the Job - 51 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 52: Service

    SK750/SK755 Operator’s Manual Service - 52 Service Chapter Contents Precautions ......53 Overview .

  • Page 53: Precautions

    SK750/SK755 Operator’s Manual Service - 53 Precautions Precautions Incorrect procedures could result in death, injury, or property damage. Learn to use equipment correctly. To help avoid injury: • Unless otherwise instructed, perform all service with engine off. • Refer to engine manufacturer’s manual for engine maintenance instructions.
  • Page 54 SK750/SK755 Operator’s Manual Service - 54 Precautions Jump Starting Precaution Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. To help avoid injury: • Keep sparks and flames away from battery. Battery gas can explode. • Follow instructions to prevent damage to electronic components.

  • Page 55: Overview

    Check level of fluid or lubricant Check condition Filter Change, replace, adjust, service or test 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.

  • Page 56: Engine Oil Temperature Chart

    Use only recommended lubricants. Fill to capacities listed on page 75. NOTICE: • Use only genuine Ditch Witch parts, filters, and approved lubricants to maintain warranty. • Use the “Service Record” on page 82 to record all required service to your machine.
  • Page 57 In certain markets, higher blends may be used if certain steps are taken. Extra attention is needed when using biodiesel, especially when operating in cold weather or storing fuel. Contact your Ditch Witch dealer or the engine manufacturer for more information.

  • Page 58: Hour

    SK750/SK755 Operator’s Manual Service - 58 Startup/10 Hour Startup/10 Hour Task Notes Check engine oil level Check engine air filter service indicator Check engine coolant level DEAC Grease front track idler rollers Check hydraulic fluid level Check brake operation Check track tension...
  • Page 59 SK750/SK755 Operator’s Manual Service - 59 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 60 SK750/SK755 Operator’s Manual Service - 60 Startup/10 Hour Check Track Tension Check track tension at startup and every 10 hours and adjust as needed. Track is correctly tensioned when measurement between track and straight edges (2) is 1/2 in (13 mm).
  • Page 61 SK750/SK755 Operator’s Manual Service - 61 Startup/10 Hour Check Hydraulic Hoses Pressurized fluid or air could pierce skin and cause injury or death. Stay away. To help avoid injury: • Before disconnecting a hydraulic line, turn engine off and operate all controls to relieve pressure.

  • Page 62: Hour

    SK750/SK755 Operator’s Manual Service - 62 50 Hour 50 Hour Task Notes Change engine oil and filter initial service Check fan belt tension and damage 1/4-1/3” (7-9 mm) Change hydraulic fluid filter initial Check fuel hose and clamp band Check radiator/hydraulic fluid cooler for dirt and debris...
  • Page 63 SK750/SK755 Operator’s Manual Service - 63 50 Hour Change Hydraulic Filter (initial) Change hydraulic filter after 50 hours. t35om019w.eps Check Fan Belt for Tension and Damage Check belt tension every 50 hours. Belt is properly tensioned when it moves about 1/4-3/8”...
  • Page 64 SK750/SK755 Operator’s Manual Service - 64 50 Hour Check Radiator/Fluid Cooler Check radiator/hydraulic fluid cooler for dirt, grass, and other foreign matter every 50 hours. Clean out with compressed air or spray wash if required. Be careful not to damage fins with high- pressure air or water.

  • Page 65: 200 Hour

    SK750/SK755 Operator’s Manual Service - 65 200 Hour 200 Hour Task Notes Change engine oil and filter 4.2 qt (4 L) DEO Check intake air line 1/4-1/3” (7-9 mm) Change hydraulic filter Change Engine Oil and Filter Change engine oil and filter every 200 hours.
  • Page 66 SK750/SK755 Operator’s Manual Service - 66 200 Hour Change Hydraulic Filter Change hydraulic filter every 200 hours. t35om019w.eps...

  • Page 67: 500 Hour

    Change filters every 500 hours. If you refuel from cans, replace filters more often. The canister filter is located in the engine compartment. The inline filter is located under the control console. See parts manual or contact your Ditch Witch dealer for correct replacement filter. t35om028w.eps t35om030w.eps...
  • Page 68 SK750/SK755 Operator’s Manual Service - 68 500 Hour Change Hydraulic Fluid 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).

  • Page 69: 2000 Hour

    SK750/SK755 Operator’s Manual Service - 69 2000 Hour 2000 Hour Change Engine Coolant Drain cooling system at drain (2). Add approved coolant at fill (1) every two years or 2000 hours. NOTICE: • The use of non-approved coolant may lead to engine damage or premature engine failure and will void engine warranty.
  • Page 70 SK750/SK755 Operator’s Manual Service - 70 As Needed Jump Start Unit Incorrect procedures could result in death, injury, or property damage. Use equipment correctly. To help avoid injury: • Park on level area. • Put all drive controls in neutral and lower all unstowed attachments.
  • Page 71 SK750/SK755 Operator’s Manual Service - 71 As Needed Before You Start Electronic components can be easily damaged by electrical surges. Jump starting can damage electronics and electrical systems, and is not recommended except in extreme circumstances. Use quality large diameter jumper cables capable of carrying high currents (400 amps or more). Cheap cables may not allow enough current flow to start a dead/discharged battery.
  • Page 72 SK750/SK755 Operator’s Manual Service - 72 As Needed 6. Connect black negative (-) cable clamp to negative (-) post of battery (A) in service vehicle. 7. Connect the other black negative (-) cable clamp to the engine or frame ground on the disabled vehicle, at least 12”...
  • Page 73 SK750/SK755 Operator’s Manual Service - 73 As Needed...

  • Page 74: Specifications

    SK750/SK755 Operator’s Manual Specifications - 74 SK750/SK755 Basic Unit Specifications SK750/SK755 Basic Unit Dimensions U.S. Metric Hinge pin height, max 81 in 2057 mm Operating height, max, standard bucket 103 in 2615 mm Overall height of machine 57 in 1450 mm...

  • Page 75: Specifications

    SK750/SK755 Operator’s Manual Specifications - 75 SK750/SK755 Basic Unit Dimensions U.S. Metric Bucket rollback angle, ground level 25° 25° Bucket rollback angle, full height 90° 90° Dump angle, standard bucket at max dump height 35° 35° Bucket width, max 44 in...
  • Page 76 SK750/SK755 Operator’s Manual Specifications - 76 SK750 Power Specifications SK750 Power Specifications Power U.S. Metric Engine: Kubota D1105, diesel, EPA Tier 4, EU Stage IIIa Number of cylinders Displacement 1.12 L 68.5 in Bore 3.07 in 78 mm Stroke 3.09 in 78.4 mm...
  • Page 77 SK750/SK755 Operator’s Manual Specifications - 77 SK755 Power Specifications SK755 Power Specifications Power U.S. Metric Engine: Kubota D1105-T, diesel, EPA Tier 4, EU Stage IIIa Number of cylinders Displacement 1.12 L 68.5 in Bore 3.07 in 78 mm Stroke 3.09 in 78.4 mm...

  • Page 78: Support

    Return damaged parts to dealer for inspection and warranty consideration if in warranty time frame. Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer. Use of another manufacturer's parts may void warranty consideration.
  • Page 79 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 Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use (Exception: 2 years for all SK5 attachments).

  • Page 82: Service Record

    SK750/SK755 Operator’s Manual Service Record - 82 Service Record Service Performed Date Hours...

  • Page 83: Service Record

    SK750/SK755 Operator’s Manual Service Record - 83 Service Performed Date Hours...

Table of Contents

Save PDF