Toro TRX-20 Operator's Manual
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Toro TRX-20 Operator's Manual

Toro TRX-20 Operator's Manual

Trencher
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Original Instructions (EN)
TRX-20 Trencher
Model No. 22973HD—Serial No. 314000001 and Up
Form No. 3378-757 Rev A
*3378-757* A

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  • Page 1 Form No. 3378-757 Rev A TRX-20 Trencher Model No. 22973HD—Serial No. 314000001 and Up *3378-757* A Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    The engine exhaust from this product You may contact Toro directly at www.Toro.com for product contains chemicals known to the State of and accessory information, help finding a dealer, or to register California to cause cancer, birth defects, your product.

  • Page 3: Table Of Contents

    Contents Hydraulic System Maintenance ........36 Replacing the Hydraulic Filter ........36 Changing the Hydraulic Fluid........36 Introduction ..............2 Checking the Hydraulic Lines........37 Safety ................4 Trencher Maintenance ..........38 Safe Operating Practices........... 4 Replacing the Digging Teeth ........38 Sound Pressure ............6 Checking and Adjusting the Digging Chain and Sound Power ............

  • Page 4: Safety

    Safety – Never refuel or drain the machine indoors. • Check that the operator presence controls, safety switches, and shields are attached and functioning properly. Do not Improper use or maintenance by the operator or owner operate unless they are functioning properly. can result in injury.
  • Page 5 Make any necessary repairs before restarting. over the edge of a cliff or ditch, or if an edge caves in. • Use only genuine Toro replacement parts to ensure that • Do not operate on wet grass. Reduced traction could original standards are maintained.

  • Page 6: Sound Pressure

    connecting or disconnecting it from the battery. Wear protective clothing and use insulated tools. – Battery acid is poisonous and can cause burns. Avoid contact with skin, eyes, and clothing. Protect your face, eyes, and clothing when working with a battery. –...

  • Page 7: Slope Indicator

    Slope Indicator G011841 Figure 3 This 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 slope indicator to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than that specified in the Slope Operation section.

  • Page 8: Safety And Instructional Decals

    Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 115-1230 1. Warning—do not operate this machine unless you are trained. 2.
  • Page 9 115-1231 1. Cutting/dismemberment hazard of bystanders, 6. Explosion hazard; shock hazard—do not use machine near trencher—keep bystanders a safe distance from the machine; buried utility lines; contact the proper agencies before digging. do not operate the trencher chain while transporting the machine.
  • Page 10 115-4020 1. Turn right 3. Reverse 2. Forward 4. Turn left 93-7814 1. Entanglement hazard, belt—stay away from moving parts. 100-4650 1. Crushing hazard of hand—keep bystanders a safe distance from the machine. 2. Crushing hazard of foot—keep bystanders a safe distance 93-6686 from the machine.
  • Page 11 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.

  • Page 12: Setup

    Setup Product Overview Checking Fluid Levels Before starting the engine for the first time, check the engine oil and hydraulic fluid levels; refer to Checking the Engine Oil Level (page 16) and Checking the Hydraulic Fluid Level (page 17). Charging the Battery Charge the battery;...
  • Page 13 Throttle Lever • To move rearward, move the traction control rearward (Figure 8). When reversing, look behind for Move the control forward to increase the engine speed and obstructions and keep your hands on the reference rearward to decrease speed. bar (Figure 6).

  • Page 14: Specifications

    If you release the lever, it will automatically return to the neutral position (Figure 13, number 3), stopping the chain. Figure 11 1. Lower the boom 2. Raise the boom Figure 13 1. Forward 3. Neutral Boom Elevation Lock 2. Reverse The boom elevation lock secures the boom elevation lever so that you cannot push it forward.

  • Page 15: Attachments/Accessories

    Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved Important: Before operating, check the fuel and oil attachments and accessories.

  • Page 16: Checking The Engine Oil Level

    2. Remove the key and allow the engine to cool. DANGER 3. Clean around the fuel tank cap and remove it (Figure In certain conditions, gasoline is extremely 15). flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.

  • Page 17: Checking The Hydraulic Fluid Level

    7. If the oil is below the Add mark, add 10w30 engine oil to the filler hole, checking the level frequently with the dipstick, until the oil level reaches the Full mark. 8. Replace the dipstick. Checking the Hydraulic Fluid Level Service Interval: Every 25 hours Hydraulic Tank Capacity: 23 l (6 US Gallons)

  • Page 18: Starting And Stopping The Engine

    Starting and Stopping the 2. Lower the boom (Figure 20). Engine Starting the Engine 1. Move the throttle lever midway between Slow and Fast positions (Figure 19). Figure 20 G007809 Figure 19 3. Turn the key off (Figure 19). 1. Throttle lever 3.

  • Page 19: Digging A Trench

    3. Secure the machine to the trailer with chains or straps using the tie-down/lift loops at the front and rear of the machine (Figure 22 and Figure 23). Refer to your local ordinances for trailer and tie-down requirements. G007816 Figure 21 1.

  • Page 20: Operating Tips

    Operating Tips Soil Type Recommended Chain Type Hard soils: dry clay and Combination chain • Clean the area of trash, branches and rocks before compacted soils trenching to prevent equipment damage. Rocky soil/gravel Rock chain • Always begin trenching with the slowest ground speed possible.

  • Page 21: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 8 hours • Check and adjust the track tension. After the first 50 hours •...

  • Page 22: Premaintenance Procedures

    Premaintenance 2. Slide the cover plate into place and secure it with the three bolts you loosened previously (Figure 25). Procedures Removing the Bottom Shield Before opening any of the covers, stop the engine, remove the key, and allow the engine to cool. 1.

  • Page 23: Lubrication

    Lubrication Greasing the Machine Service Interval: Before each use or daily (Grease immediately after every washing.) Grease Type: General-purpose grease. 1. Lower the boom and stop the engine. Remove the key. 2. Clean the grease fittings with a rag. Figure 29 3.

  • Page 24: Engine Maintenance

    Engine Maintenance 3. Pump grease into the fitting until grease comes out of the grease valve located next to the fitting. 4. Wipe up any excess grease. Servicing the Air Cleaner Service Interval: Every 25 hours—Clean the foam air cleaner element. Every 50 hours—Check the paper air cleaner element.

  • Page 25: Servicing The Engine Oil

    Cleaning the Foam Air Cleaner Element 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it is torn or worn.

  • Page 26: Servicing The Spark Plug

    2. Park the machine so that the drain side is slightly lower 3. Apply a thin coat of new oil to the rubber gasket on than the opposite side to ensure that the oil drains the replacement filter (Figure 36). completely.

  • Page 27: Fuel System Maintenance

    Checking the Spark Plug Fuel System 1. Look at the center of the spark plug (Figure 38). If you Maintenance see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. Draining the Fuel Tank 2.

  • Page 28: Replacing The Fuel Filter

    Electrical System 8. Wipe up any spilled fuel. Maintenance Replacing the Fuel Filter Service Interval: Every 200 hours Servicing the Battery Never install a dirty filter if it is removed from the fuel line. Service Interval: Every 25 hours—Check the battery Note: Note how the fuel filter is installed in order to install electrolyte level.
  • Page 29 5. Remove the hold down plate, j-bolts, and locknuts WARNING securing the battery (Figure 41) and remove the battery. Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can Installing the Battery cause the battery gasses to explode, resulting in 1.

  • Page 30: Replacing The Fuses

    Important: Never fill the battery with distilled water while the battery is installed in the machine. Electrolyte could be spilled on other parts and cause corrosion. 2. Clean the top of the battery with a paper towel. 3. Remove the vent caps from the battery (Figure 42). 4.

  • Page 31: Drive System Maintenance

    Drive System Maintenance Servicing the Tracks Cleaning the Tracks Service Interval: Before each use or daily Check the tracks for excessive wear and clean them periodically. If the tracks are worn, replace them. Figure 46 1. Lower the boom and set the parking brake. 2.
  • Page 32 3. Lift/support the side of the unit to be worked on so 9. Beginning at the drive sprocket, coil the new track that the track is 7.6 to 10 cm (3 to 4 inches) off of the around the sprocket, ensuring that the lugs on the track ground.

  • Page 33: Belt Maintenance

    Belt Maintenance 4. Ensure that the road wheel turns smoothly on the bearing. If it is frozen, contact your Authorized Service Dealer to replace the road wheel. Replacing the Pump Drive Belt 5. Place the greased road wheel cap over the bolt head (Figure 50).

  • Page 34: Controls System Maintenance

    Controls System 5. Adjust the traction control so that it rests flush against the reference bar when it is pulled straight back (Figure Maintenance 53 and Figure 54). The factory adjusts the controls before shipping the machine. However, after many hours of use, you may need to adjust the traction control alignment, the neutral position of the traction control, and the tracking of the traction control in the full forward position.

  • Page 35: Adjusting The Traction Control Neutral Position

    4. If the machine veers to the right, loosen the left jam WARNING nut and adjust the tracking set screw on the front of the When the machine is running, you could traction control (Figure 56). be caught and injured in moving parts or burned on hot surfaces.

  • Page 36: Hydraulic System Maintenance

    Fluid (refer to your Authorized Toro Dealer for more information) • Toro Premium All Season Hydraulic Fluid (refer to your Authorized Toro Dealer for more information) • If either of the above Toro fluids are not available, you may use another Universal Tractor Hydraulic...

  • Page 37: Checking The Hydraulic Lines

    Checking the Hydraulic Lines Service Interval: Every 100 hours—Check the hydraulic lines for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather, and chemical deterioration and repair if necessary. Every 1,500 hours/Every 2 years (whichever comes first)—Replace all moving hydraulic hoses. WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury.

  • Page 38: Trencher Maintenance

    Trencher Maintenance B. Loosen the jam nut on the adjusting bolt in the boom. C. Loosen the adjusting bolt until you can remove Replacing the Digging Teeth the chain from the boom D. Remove the chain from the drive sprocket. Service Interval: Before each use or daily—Check the condition of the digging teeth and E.
  • Page 39 17. Thread the jam nut down the adjusting bolt and tighten it securely against the boom. 18. Torque the 2 bolts and nuts securing the boom to 183 to 223 N-m (135 to 165 ft-lb). 19. Install the spoils auger using the bolt and nut you removed previously.

  • Page 40: Cleaning

    Cleaning Storage 1. Lower the boom and set the parking brake. Removing Debris from the 2. Stop the engine, remove the key, and wait for all moving Machine parts to stop before leaving the operating position. 3. Remove dirt and grime from the external parts of the Important: Operating the engine with blocked screens, entire machine, especially the engine.
  • Page 41 13. Check and adjust the track tension; refer to Checking and Adjusting the Track Tension (page 31). 14. Check and adjust the digging chain tension; refer to Checking and Adjusting the Digging Chain and Boom (page 38). 15. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged.

  • Page 42: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The battery is discharged. 1. Charge the battery or replace it. 2. The electrical connections are corroded 2. Check the electrical connections for or loose. good contact. 3. The relay or switch is damaged. 3.
  • Page 43 Problem Possible Cause Corrective Action The trencher does not dig fast enough 1. The digging teeth are worn. 1. Replace the digging teeth. 2. The chain you are using is not 2. Evaluate the ground type and change appropriate for the type of ground. chains if necessary.

  • Page 44: Schematics

    Schematics Electrical Schematic (Rev. A)
  • Page 45 G021020 Hydraulic Schematic (Rev. B)
  • Page 46 Notes:...
  • Page 47 Notes:...
  • Page 48 Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company. Australian Consumer Law: Australian customers will find details relating to the Australian Consumer Law either inside the box or at your local Toro Dealer.

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22973hd

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