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Ditch Witch SK752 User Manual

Ditch Witch SK752
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SK752
Operator’s
Manual
053-2859
Issue 2.0
Original Instruction
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Ditch Witch SK752 Specifications

General IconGeneral
Operating Weight7, 110 lb
Engine MakeKubota
Engine Power74 hp
Hydraulic Flow22.5 GPM
Gross Power74 hp (55.8 kW)
Fuel Tank Capacity16 gal
Horsepower74 hp
Fuel Capacity16 gal

Summary

Serial Number Location

Intended Use

Equipment Modification

Unit Components

Operator Orientation

About This Manual

Bulleted Lists

Provides helpful or important information or procedures not requiring specific order.

Numbered Lists

Contains illustration callouts or steps that must be performed in order.

Foreword

Safety

Guidelines

General safety guidelines to follow before operating any jobsite equipment.

California Proposition 65 Warning

Product may contain chemicals known to cause cancer or birth defects.

Emergency Procedures Overview

Procedures to follow in case of electric strike, gas line damage, or fire.

Emergency Procedures

Electric Strike Description

Details on electric shock hazards and indications of an electric strike.

Emergency Procedures

If an Electric Line is Damaged

Actions to take if an electric line is damaged while on or off the tractor.

Emergency Procedures

If a Gas Line is Damaged

Procedures to follow if a gas line is damaged, including evacuation and contacting utilities.

Emergency Procedures

If a Fiber Optic Cable is Damaged

Warning about vision damage and contacting utility company.

If Machine Catches on Fire

Steps to take if the machine catches fire, including shutdown and extinguishing.

Safety Alert Classifications

Safety Alert Levels: DANGER, WARNING, CAUTION

Explains the meaning of DANGER, WARNING, and CAUTION safety alert levels.

Other Alert Words: NOTICE and IMPORTANT

Defines NOTICE for property damage and IMPORTANT for helpful tips.

Machine Safety Alerts

General Jobsite Hazards

Jobsite hazards could cause death or serious injury. Use correct equipment and methods.

Lift Point Identification

Identifies lift point. See Transport chapter for more information.

Crushing Weight Hazard

Crushing weight could cause death or serious injury. Stay away.

Machine Safety Alerts

Moving Parts & Fire Hazards

Warns about moving parts cutting limbs and fire/explosion risks.

Tiedown Location & Manual Reference

Locates tiedown points and emphasizes reading the operator manual.

Cylinder Securing & Hot Parts Hazard

Warns about crushing weight, securing cylinders, and hot parts.

Gauges and Indicators

Controls

Drive and Steering Controls

Controls for track drive, steering, and parking brake.

Engine and System Controls

Ignition switch for starting/stopping engine, throttle for engine speed.

Attachment and Lift Controls

Controls for lift arms and attachment drive, including foot pedal.

Engine Compartment

Battery Disconnect Switch

Describes how to connect and disconnect the battery using the switch.

Attachment Plate

Level Indicator

How to use the level indicator for attachments.

Attachment Latches

How to lock and unlock attachments using latches.

Gather Information

All Jobs Planning

Review job plan, arrange traffic control, plan for emergency services.

Ground-Penetrating Jobsite Safety

Notify one-call services and mark proposed path for underground utilities.

Above-Ground Jobsite Planning

Locate overhead lines and ensure clearance.

Inspect Site

Identify Jobsite Hazards

Inspect jobsite for elevation changes, obstacles, and utility signs.

Classify Jobsite

Jobsite Injury Prevention

Wear PPE, comply with regulations, mark jobsite, keep spectators away.

Jobsite Classification Methods

Classifies jobsites based on hazards like electric lines or dust.

Classify Jobsite

Electric Jobsite Precautions

Precautions for working near electric lines, including hand digging and service shutdown.

Natural Gas Jobsite Precautions

Precautions for working near gas lines, including hand digging and gas shutoff.

Crystalline Silica Dust Precautions

Dust control measures and reference to OSHA guidelines.

Other Jobsite Precautions

General advice for avoiding other underground hazards.

Check Supplies and Prepare Equipment

Essential Supplies

Lists necessary supplies like fuel, keys, lubricants, and PPE.

Fluid Level Checks

Check fuel, hydraulic fluid, engine oil, and battery charge levels.

Equipment Condition and Function Checks

Check controls, parking brake, filters, tracks, hoses, etc.

Required Accessories

Mentions fire extinguisher requirement.

Connect Attachment

Attachment Connection Procedure

Steps to connect an attachment, including positioning and engaging pins.

Connect Attachment

Hydraulic Hose Connection Procedure

Procedure for connecting hydraulic hoses, with safety warnings about pressurized fluid.

Connect Attachment

Hydraulic Hose Safety Precautions

Safety measures for connecting/disconnecting hydraulic hoses, including PPE and cooling.

Start Unit

Drive

General Operation and Safety

Basic principles and safety for operating the machine, including load handling and terrain.

Drive

Safe Slope Operation

Factors and guidelines for safely operating the machine on slopes.

Shut Down

Transport

Lift Procedure and Safety

Procedures and safety for lifting the unit.

Transport

Load Unit Onto Trailer

Steps and safety for loading the unit onto a trailer for hauling.

Transport

Tie Down Procedure

Identifies tie-down points and procedure for securing the unit.

Transport

Unload Unit From Trailer

Steps for safely unloading the unit from a trailer.

Retrieve Unit

Retrieval Procedure

Steps for retrieving a disabled unit, including towing and brake bypass.

Retrieve Unit

Return Unit to Normal Operation

Steps to restore normal brake function after retrieval.

Complete the Job

Rinse Equipment

How to clean the equipment after use, with warnings about water spray.

Disconnect Attachment

Steps for safely disconnecting an attachment.

Stow Tools

Ensure tools and accessories are secured for transport.

Service

Service Precautions

General safety precautions before performing service, including engine off and lowering attachments.

Service

Working Under Raised Lift Arms

Safety measures and support use when working under raised lift arms.

Welding Precautions

Precautions to prevent damage to electronics during welding.

Recommended Lubricants/Service Key

Recommended Lubricants

Lists recommended oils, fluids, and greases for the machine.

Service Key Symbols

Symbols and their meanings for service tasks like checking levels and filters.

Engine Oil Temperature Chart

Approved Coolant Specifications

Specifies approved coolants and warnings about mixing types.

Approved Fuel

Fuel Requirements (US, Canada, EU, Japan)

Fuel type and quality requirements for specified regions.

Fuel Requirements (Less Regulated Markets)

Fuel requirements for markets outside the US, Canada, EU, and Japan.

Startup/10 Hour Maintenance

Check Engine Oil Level

Procedure to check engine oil level using the dipstick and fill point.

Check Hydraulic Fluid Level

How to check hydraulic fluid level using the sight glass.

Check Brake Operation

Procedure to verify parking brake function.

Check Lug Nut Torque

Torque specifications for checking lug nuts at intervals.

Startup/10 Hour Maintenance

Check Track Tension

Methods to check and adjust track tension using straight edge or gauge.

Check Coolant Level

Procedure to check coolant level in the overflow bottle.

Check Air Filter Service Indicator

How to check the air filter service indicator.

Startup/10 Hour Maintenance

Check Hydraulic Hoses

Procedure for checking hydraulic hoses for leaks.

50 Hour Maintenance

Initial Engine Oil and Filter Change

Initial procedure for changing engine oil and filter.

Initial Hydraulic Filter Change

Initial procedure for changing the hydraulic filter.

50 Hour Maintenance

Check Fuel Hose and Clamp Bands

Inspect fuel hose and clamp bands for wear or looseness.

Check Radiator/Fluid Cooler

Clean radiator and fluid cooler for debris.

Check Lug Nut Torque

Check lug nut torque at 50 hours and subsequent intervals.

150 Hour Maintenance

Engine Oil and Filter Change

Procedure to change engine oil and filter every 150 hours.

Fan Belt Tension and Damage Check

How to check fan belt tension and for wear.

300 Hour Maintenance

Check Air Intake Line

Check the air intake line for dust and damage.

Change Hydraulic Filter

Change hydraulic filter every 300 hours.

300 Hour Maintenance

Check Lug Nut Torque

Check lug nut torque at 300 hours and subsequent intervals.

Check Idler Roller Bearings

Check idler roller bearing positioning and for movement.

600 Hour Maintenance

Change Fuel Filter

Change fuel filters every 600 hours.

900 Hour Maintenance

Change Hydraulic Fluid and Filter

Change hydraulic fluid and filter every 600/250 hours.

Change Fan Belt

Change fan belt every 600 hours.

Adjust Valve Clearance

Adjust valve clearance every 900 hours, requiring a technician.

1200 Hour Maintenance

Change Engine Coolant

Drain and refill cooling system with approved coolant every 1200 hours.

As Needed Maintenance

Adjust Idler Roller Bearings

Adjust idler roller bearings to prevent damage from dirt and looseness.

Check Battery

Check battery for cleanliness and corrosion.

As Needed Maintenance

Charge Battery

Procedure for safely charging the battery.

Specifications

SK752 Basic Unit Dimensions

Table of dimensions for the basic unit, including height, length, and width.

Specifications

SK752 Basic Unit Performance

Performance metrics like ground speed, ground pressure, and tipping capacity.

SK752 Basic Unit Battery and Fluid Capacities

Battery specs and capacities for fuel, oil, and hydraulic reservoir.

SK752 Power Specifications

Engine Power Details

Engine details like model, displacement, bore, stroke, and power ratings.

Hydraulic System Specifications

Specifications for hydraulic pumps, flow rates, and pressures.

Noise and Vibration Levels

Noise level ratings and vibration levels transmitted to operator.

Support

Dealer Support Procedure

How to notify dealer of malfunctions and order parts.

Resources for Information and Training

Information on obtaining publications, videos, and training.

Warranty

Limited Warranty Policy

Details the limited warranty policy for equipment and parts.

Warranty Exclusions

Lists conditions and damages not covered by the warranty.

Service Record

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