TRX-16,TRX-20,andTRX-26 Trencher - Sunflower Rental
Form No. 3367-302 Rev CTRX-16, TRX-20, and TRX-26TrencherModel No. 22972—Serial No. 311000001 and UpModel No. 22972G—Serial No. 311000001 and UpModel No. 22973—Serial No. 311000001 and UpModel No. 22973G—Serial No. 311000001 and UpModel No. 22974—Serial No. 311000001 and UpTo register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.Original Instructions (EN)
This machine is designed to dig trenches in soil to burycabling and piping for various applications. It is notintended to cut rock, wood, or any other material otherthan soil.WARNINGCALIFORNIAProposition 65 WarningThis product contains a chemical or chemicalsknown to the State of California to cause cancer,birth defects, or reproductive harm.The engine exhaust from this productcontains chemicals known to the State ofCalifornia to cause cancer, birth defects,or other reproductive harm.Use of this product may cause exposure tochemicals known to the State of Californiato cause cancer, birth defects, or otherreproductive harm.DANGERThere may be buried power, gas, and/or telephonelines in the work area. Shock or explosion mayoccur if you dig into them.Have the property or work area marked for buriedlines and do not dig in marked areas. Contact yourlocal marking service or utility company to have theproperty marked (for example, in the United States,call 811 for the nationwide marking service).This spark ignition system complies with CanadianICES-002.Important: This engine is not equipped with aspark arrester muffler. It is a violation of CaliforniaPublic Resource Code Section 4442 to use or operatethe engine on any forest-covered, brush-covered, orgrass-covered land. Other states or federal areasmay have similar laws.The enclosed Engine Owner's Manual is suppliedfor information regarding the US EnvironmentalProtection Agency (EPA) and the CaliforniaEmission Control Regulation of emission systems,maintenance, and warranty. Replacements may beordered through the engine manufacturer.This product complies with all relevant Europeandirectives, for details please see the separate productspecific Declaration of Conformity (DOC) sheet. 2013—The Toro Company8111 Lyndale Avenue SouthBloomington, MN 554202Contact us at www.Toro.com.Printed in the USA.All Rights Reserved
IntroductionRead this information carefully to learn how to operateand maintain your product properly and to avoid injuryand product damage. You are responsible for operatingthe product properly and safely.You may contact Toro directly at www.Toro.com forproduct and accessory information, help finding a dealer,or to register your product.Whenever you need service, genuine Toro parts,or additional information, contact an AuthorizedService Dealer or Toro Customer Service and havethe model and serial numbers of your product ready.Figure 1 illustrates the location of the model and serialnumbers on the product. Write the numbers in thespace provided.1G007797Figure 11. Model and serial number plateModel No.Serial No.This manual identifies potential hazards and has safetymessages identified by the safety alert symbol (Figure 2),which signals a hazard that may cause serious injuryor death if you do not follow the recommendedprecautions.Figure 21. Safety alert symbolThis manual uses 2 other words to highlight information.Important calls attention to special mechanicalinformation and Note emphasizes general informationworthy of special attention.3
ContentsReplacing the Fuses (Models 22973 and22974) . 36Drive System Maintenance . 36Servicing the Tracks. 36Belt Maintenance. 39Replacing the Pump Drive Belt . 39Controls System Maintenance. 39Adjusting the Traction ControlAlignment . 39Adjusting the Traction Control NeutralPosition. 41Adjusting the Tracking of the TractionControl, Full Forward Position. 41Hydraulic System Maintenance . 41Replacing the Hydraulic Filter . 41Changing the Hydraulic Fluid . 41Checking the Hydraulic Lines . 43Trencher Maintenance . 43Replacing the Digging Teeth . 43Checking and Adjusting the Digging Chainand Boom . 43Replacing the Drive Sprocket. 44Cleaning . 45Removing Debris from the Machine. 45Storage. 46Troubleshooting. 47Schematics . 49Introduction. 3Safety . 5Safe Operating Practices . 5Sound Pressure. 7Sound Power . 7Vibration. 8Slope Indicator. 9Safety and Instructional Decals . 10Setup . 141 Installing the Boom and Chain . 142 Checking Fluid Levels . 153 Charging the Battery (Electric Start ModelsOnly). 15Product Overview . 15Controls . 15Specifications . 18Attachments/Accessories. 18Operation. 18Adding Fuel . 18Checking the Engine Oil Level. 19Checking the Hydraulic Fluid Level. 20Starting and Stopping the Engine . 21Stopping the Machine. 21Moving a Non-functioning Machine . 22Digging a Trench. 22Securing the Machine for Transport . 22Lifting the Machine . 23Operating Tips . 23Maintenance. 25Recommended Maintenance Schedule(s) . 25Premaintenance Procedures. 26Removing the Cover Plate. 26Installing the Cover Plate . 26Removing the Bottom Shield . 26Installing the Bottom Shield. 26Lubrication. 27Greasing the Machine. 27Greasing the Trencher Housing . 27Engine Maintenance. 28Servicing the Air Cleaner (Models 22972 and22973) . 28Servicing the Air Cleaner (Model 22974). 29Servicing the Engine Oil . 30Servicing the Spark Plug . 31Fuel System Maintenance . 33Draining the Fuel Tank. 33Replacing the Fuel Filter . 33Electrical System Maintenance. 34Servicing the Battery (Models 22973 and22974) . 344
Safety Use extra care when handling gasoline and otherfuels. They are flammable and vapors are explosive.– Use only an approved container– Never remove the gas cap or add fuel with theengine running. Allow the engine to cool beforerefueling. Do not smoke.– Never refuel or drain the machine indoors. Check that the operator presence controls, safetyswitches, and shields are attached and functioningproperly. Do not operate unless they are functioningproperly.Improper use or maintenance by the operator orowner can result in injury. To reduce the potentialfor injury, comply with these safety instructionsand always pay attention to the safety alertsymbol , which means: Caution, Warning, orDanger—personal safety instruction. Failure tocomply with the instruction may result in personalinjury or death.Safe Operating PracticesThis product is capable of amputating hands and feet.Always follow all safety instructions to avoid seriousinjury or death.Operation Never run an engine in an enclosed area. Only operate in good light, keeping away from holesand hidden hazards. Be sure all drives are in neutral and the parking brakeis engaged before starting the engine. Only start theengine from the operator's position. Slow down and use extra care on hillsides. Be sureto travel in the recommended direction on hillsides.Turf conditions can affect the machine's stability. Slow down and use caution when making turns andwhen changing directions on slopes. Never operate without the guards securely in place.Be sure all interlocks are attached, adjusted, andfunctioning properly. Do not change the engine governor setting oroverspeed the engine. Stop on level ground, lower the boom, disengagethe trencher hydraulics, engage the parking brake,and shut off the engine before leaving the operator'sposition for any reason. Keep hands and feet away from the moving chain,digging teeth, and spoils auger. Look behind and down before backing up to be sureof a clear path. Never carry passengers and keep pets and bystandersaway. Slow down and use caution when making turns andcrossing roads and sidewalks. Do not operate the machine under the influence ofalcohol or drugs. Use care when loading or unloading the machineinto a trailer or truck. Use care when approaching blind corners, shrubs,trees, or other objects that may obscure vision.WARNINGEngine exhaust contains carbon monoxide, anodorless, deadly poison that can kill you.Do not run the engine indoors or in an enclosedarea.Training Read the Operator's Manual and other trainingmaterial. If the operator(s) or mechanic(s) can’t readEnglish, it is the owner's responsibility to explainthis material to them. Become familiar with the safe operation of theequipment, operator controls, and safety signs. All operators and mechanics should be trained. Theowner is responsible for training the users. Never let children or untrained people operate orservice the equipment. Local regulations may restrictthe age of the operator. The owner/user can prevent and is responsible foraccidents or injuries occurring to himself or herself,other people or property.Preparation Evaluate the terrain to determine what accessoriesand attachments are needed to properly andsafely perform the job. Only use accessories andattachments approved by the manufacturer. Wear appropriate clothing including hard hat,safety glasses, long pants, safety shoes, and hearingprotection. Long hair, loose clothing or jewelry mayget tangled in moving parts. Inspect the area where the equipment is to be usedand remove all objects such as rocks, toys, and wirewhich can be thrown by the machine.5
Use only Toro-approved accessories. Accessories canchange the stability and the operating characteristicsof the machine. Warranty may be voided if used withunapproved accessories. Ensure that the area is clear of other people beforeoperating the machine. Stop the machine if anyoneenters the area. Never leave a running machine unattended. Alwayslower the boom, stop the engine, set the parkingbrake, and remove the key before leaving. Never jerk the controls; use a steady motion. Watch for traffic when operating near or crossingroadways. Do not touch parts which may be hot fromoperation. Allow them to cool before attempting tomaintain, adjust, or service. Ensure that you operate the machine in areas wherethere are no obstacles in close proximity to theoperator. Failure to maintain adequate distance fromtrees, walls, and other barriers may result in injuryas the machine backs up during operation if theoperator is not attentive to the surroundings. Onlyoperate the unit in areas where there is sufficientclearance for the operator to safely maneuver theproduct. Before digging, have the area marked forunderground utilities, and do not dig in marked areas. Locate the pinch point areas marked on the machineand keep hands and feet away from these areas. Lightning can cause severe injury or death. Iflightning is seen or thunder is heard in the area, donot operate the machine; seek shelter. Keep all movements on slopes slow and gradual. Donot make sudden changes in speed or direction. Avoid starting or stopping on a slope. If the machineloses traction, proceed slowly, straight down theslope. Avoid turning on slopes. If you must turn, turnslowly and keep the heavy end of the machine uphill. Do not operate near drop-offs, ditches, orembankments. The machine could suddenly turnover if a track goes over the edge of a cliff or ditch,or if an edge caves in. Do not operate on wet grass. Reduced traction couldcause sliding. Do not park the machine on a hillside or slopewithout lowering the boom to the ground, settingthe parking brake, and chocking the tracks.Maintenance and Storage Disengage the trencher hydraulics, lower the boom,set the parking brake, stop the engine, and removethe key. Wait for all movement to stop beforeadjusting, cleaning, or repairing. Clean debris from the chain, digging teeth, boom,trencher head, drives, mufflers, and engine to helpprevent fires. Clean up oil or fuel spillage.Slope OperationSlopes are a major factor related to loss-of-control andtip-over accidents, which can result in severe injury ordeath. All slopes require extra caution. Do not operate the machine on hillsides or slopesexceeding the angles recommended in the followingtable.ModelFront FacingUphillRear FacingUphillSide FacingUphill2297215 14 19 2297313 14 19 2297411 11 16 Let the engine cool before storing and do not storenear flame. Do not store fuel near flames or drain indoors. Park the machine on level ground. Never allowuntrained personnel to service the machine. Use jack stands to support components whenrequired. Carefully release pressure from components withstored energy. Disconnect the battery (electric start models only)or remove the spark plug wires before makingany repairs. Disconnect the negative terminal firstand the positive last. Reconnect positive first andnegative last.Note: See also the Slope Indicator (page 9). Operate up and down slopes with the front endof the machine uphill. Remove obstacles such as rocks, tree limbs, etc.from the work area. Watch for holes, ruts, or bumps,as uneven terrain could overturn the machine. Tallgrass can hide obstacles. Keep hands and feet away from moving parts. Ifpossible, do not make adjustments with the enginerunning.6
Sound Pressure Keep all parts in good working condition and allhardware tightened. Replace all worn or damageddecals.Model 22972 Keep nuts and bolts tight. Keep equipment in goodcondition.This unit has a sound pressure level at the operator’sear of 89 dBA, which includes an Uncertainty Value (K)of 1.0 dBA. Never tamper with safety devices. Keep the machine free of grass, leaves, or otherdebris build-up. Clean up oil or fuel spillage. Allowthe machine to cool before storing.Sound pressure level was determined according to theprocedures outlined in EN ISO 11201. Use extra care when handling gasoline and otherfuels. They are flammable and vapors are explosive.Model 22973This unit has a sound pressure level at the operator’sear of 90 dBA, which includes an Uncertainty Value (K)of 1.0 dBA.– Use only an approved container.– Never remove the gas cap or add fuel whenthe engine is running. Allow the engine to coolbefore refueling. Do not smoke.Sound pressure level was determined according to theprocedures outlined in EN ISO 11201.– Never refuel the machine indoors.Model 22974– Never store the machine or fuel container insidewhere there is an open flame, such as near awater heater or furnace.This unit has a sound pressure level at the operator’sear of 93 dBA, which includes an Uncertainty Value (K)of 1.0 dBA.– Never fill a container while it is inside a vehicle,trunk, pick-up bed, or any surface other than theground.Sound pressure level was determined according to theprocedures outlined in EN ISO 11201.– Keep container nozzle in contact with the tankduring filling.Sound Power Stop and inspect the equipment if you strike anobject. Make any necessary repairs before restarting.Model 22972 Use only genuine Toro replacement parts to ensurethat original standards are maintained.This unit has a guaranteed sound power level of 107dBA, which includes an Uncertainty Value (K) of 3.75dBA. Battery safety (electric start models only):– Charge batteries in an open, well ventilatedarea, away from spark and flames. Unplug thecharger before connecting or disconnecting itfrom the battery. Wear protective clothing anduse insulated tools.Sound power level was determined according to theprocedures outlined in EN ISO 3744.Model 22973This unit has a guaranteed sound power level of 108dBA, which includes an Uncertainty Value (K) of 3.75dBA.– Battery acid is poisonous and can cause burns.Avoid contact with skin, eyes, and clothing.Protect your face, eyes, and clothing whenworking with a battery.Sound power level was determined according to theprocedures outlined in EN ISO 3744.– Battery gases can explode. Keep cigarettes,sparks and flames away from the battery.Model 22974 Keep your body and hands away from pin holeleaks or nozzles that eject high pressure hydraulicfluid. Use cardboard or paper to find hydraulicleaks; never use your hands. Hydraulic fluid escapingunder pressure can penetrate skin and cause injuryrequiring surgery within a few hours by a qualifiedsurgeon or gangrene may result.This unit has a guaranteed sound power level of 107dBA, which includes an Uncertainty Value (K) of 3.75dBA.Sound power level was determined according to theprocedures outlined in EN ISO 3744.7
VibrationModel 22972Measured vibration level for right hand 2.1 m/s2Measured vibration level for left hand 2.0 m/s2Uncertainty Value (K) 1.1 m/s2Measured values were determined according to theprocedures outlined in EN ISO 20643.Model 22973Measured vibration level for right hand 2.3 m/s2Measured vibration level for left hand 2.1 m/s2Uncertainty Value (K) 1.1 m/s2Measured values were determined according to theprocedures outlined in EN ISO 20643.Model 22974Measured vibration level for right hand 1.8 m/s2Measured vibration level for left hand 2.0 m/s2Uncertainty Value (K) 1.00 m/s2Measured values were determined according to theprocedures outlined in EN ISO 20643.8
Slope IndicatorG011841Figure 3This page may be copied for personal use.1. To determine the maximum slope you can safely operate the machine on, refer to the Slope Operation section. Use the slopeindicator to determine the degree of slope of hills before operating. Do not operate this machine on a slop
FormNo. 3367-302RevC TRX-16,TRX-20,andTRX-26 Trencher ModelNo.22972—SerialNo.311000001andUp ModelNo.22972G—Seri
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