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Toro TRX-19 Operator's Manual

Trencher
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Form No. 3362-759 Rev B
TRX-15, TRX-19, and TRX-26
Trencher
Model No. 22970—Serial No. 310000001 and Up
Model No. 22970G—Serial No. 310000001 and Up
Model No. 22971—Serial No. 310000001 and Up
Model No. 22971G—Serial No. 310000001 and Up
Model No. 22974—Serial No. 310000001 and Up
To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
Original Instructions (EN)

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Summary of Contents for Toro TRX-19

  • Page 1 Model No. 22971—Serial No. 310000001 and Up Model No. 22971G—Serial No. 310000001 and Up Model No. 22974—Serial No. 310000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    California to cause cancer, birth defects, additional information, contact an Authorized Service or other reproductive harm. Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 illustrates the location of the model and serial numbers on the product.

  • Page 3: Table Of Contents

    Contents Replacing the Fuses (Models 22971 and 22974) ............33 Drive System Maintenance ........34 Introduction..............2 Servicing the Tracks..........34 Safety ................4 Belt Maintenance............ 36 Safe Operating Practices ........4 Replacing the Pump Drive Belt ......36 Sound Pressure............. 6 Controls System Maintenance.........

  • Page 4: Safety

    Safety • Inspect the area where the equipment is to be used and remove all objects such as rocks, toys, and wire which can be thrown by the machine. Improper use or maintenance by the operator or owner can result in injury. To reduce the •...
  • Page 5 • Use care when approaching blind corners, shrubs, grass can hide obstacles. trees, or other objects that may obscure vision. • Use only Toro-approved accessories. Accessories can • Ensure that the area is clear of other people before change the stability and the operating characteristics operating the machine.

  • Page 6: Sound Pressure

    This unit has a guaranteed sound power level of 107 object. Make any necessary repairs before restarting. dBA, which includes an Uncertainty Value (K) of 3.75 • Use only genuine Toro replacement parts to ensure dBA. that original standards are maintained.
  • Page 7 Measured values were determined according to the procedures outlined in EN ISO 20643.

  • Page 8: Slope Indicator

    Slope Indicator...

  • Page 9: 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 10 115-1231 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 11 107-8495 1. Parking brake 115-4020 1. Turn right 3. Reverse 2. Forward 4. Turn left Battery Symbols 93-7814 Some or all of these symbols are on your battery (electric 1. Entanglement hazard, belt—stay away from moving parts. start models only) 1.

  • Page 12: Setup

    Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Boom (sold separately) Install the boom and chain. Chain (sold separately) – No parts required Check the fluid levels. – No parts required Charge the battery.

  • Page 13: Checking Fluid Levels

    Product Overview 9. Loop the digging chain over the auger drive shaft and onto the drive sprocket, ensuring that the digging teeth point forward on the upper span. 10. Set the upper span of the chain into place on the trencher boom, then wrap the chain around the roller at the end of the boom.
  • Page 14 Key Switch, Electric Start Models • To move forward, move the traction control forward (Figure 7). The key switch has three positions: off, run, and start. To start the engine, rotate the key to the start position. Release the key when engine starts and it will move automatically to the run position.
  • Page 15 G008132 Figure 10 • To stop, release the traction control (Figure 6). Note: The farther you move the traction control in any direction, the faster the machine will move in that direction. Boom Elevation Lever Figure 12 To lower the boom, slowly move the lever forward 1.

  • Page 16: Specifications

    A selection of Toro approved attachments and accessories are available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories.

  • Page 17: Checking The Engine Oil Level

    chance of varnish deposits in the fuel system, use fuel stabilizer at all times. In certain conditions during fueling, static Filling the Fuel Tank electricity can be released causing a spark which can ignite the gasoline vapors. A fire 1. Park the machine on a level surface, lower the or explosion from gasoline can burn you and boom, and stop the engine.

  • Page 18: Checking The Hydraulic Fluid Level

    Figure 16 G007808 1. Oil filler hole 3. Full mark Figure 17 2. Oil dipstick 4. Add mark 1. Hydraulic fluid check bubble 4. Remove the dipstick and wipe the end clean 4. Remove the cover plate; refer to Removing the (Figure 16).

  • Page 19: Starting And Stopping The Engine

    Starting and Stopping the period between attempts. Failure to follow these instructions can burn out the starter Engine motor. 4. Gradually move the choke lever to the Off position Starting the Engine (Figure 19). If the engine stalls or hesitates, engage 1.

  • Page 20: Stopping The Machine

    Stopping the Machine 2. Pull the trencher control lever to the reference bar to engage the trencher. To stop the machine, release the traction control, move 3. Slowly lower the boom and chain into the ground. the throttle lever to slow (turtle), lower the boom to the ground, and stop the engine.

  • Page 21: Lifting The Machine

    Operating Tips • Clean the area of trash, branches and rocks before trenching to prevent equipment damage. • Always begin trenching with the slowest ground speed possible. Increase speed if conditions permit. If the chain speed slows down, reduce ground speed to keep the chain moving at its fastest rate.

  • Page 22: 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 23: Premaintenance Procedures

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

  • Page 24: 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. Figure 29 2. Clean the grease fittings with a rag. 3.

  • Page 25: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner (Models 22970 and 22971) Service Interval: Every 25 hours—Clean the foam air cleaner element. (Models 22970 and 22971) Every 50 hours—Check the paper air cleaner element. (Models 22970 and 22971) Figure 31 Every 200 hours/Yearly (whichever comes first)—Replace the paper air cleaner element.

  • Page 26: Servicing The Air Cleaner (Model 22974)

    2. Place the air cleaner assembly onto the air cleaner base and secure it with the 2 wing nuts (Figure 32). 3. Place the air cleaner cover into position and tighten the cover knob (Figure 32). Servicing the Air Cleaner (Model 22974) Service Interval: Every 250 hours Servicing the Air Cleaner Cover and...

  • Page 27: Servicing The Engine Oil

    Important: Do not attempt to clean the primary filter. 2. Check the condition of the safety filter without removing it. If it is dirty or damaged, replace it. Important: Never attempt to clean the safety filter. 3. Inspect the new filter(s) for damage by looking into the filter while shining a bright light on the outside of the filter.

  • Page 28: Servicing The Spark Plug

    Changing the Oil 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely.
  • Page 29 Important: Always replace the spark plug when it has worn electrodes, an oily film on it, or has cracks in the porcelain. 3. Check the gap between the center and side electrodes (Figure 39). Bend the side electrode (Figure 39) if the gap is not correct.

  • Page 30: Fuel System Maintenance

    Fuel System Note: Now is the best time to install a new fuel filter because the fuel tank is empty. Refer to Replacing Maintenance the Fuel Filter. 7. Install the fuel line onto the fuel shut-off valve. Slide the hose clamp close to the valve to secure the fuel Draining the Fuel Tank line.

  • Page 31: Electrical System Maintenance

    Removing the Battery Electrical System Maintenance Battery terminals or metal tools could short Servicing the Battery (Models against metal machine components causing 22971 and 22974) sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Service Interval: Every 25 hours—Check the battery •...
  • Page 32 Checking the Battery Electrolyte Level Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. • Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to shield your eyes and rubber gloves to protect your hands.

  • Page 33: Replacing The Fuses (Models 22971 And 22974)

    Replacing the Fuses (Models 5. Wait five to ten minutes after filling the battery cells. Add distilled water, if necessary, until the electrolyte 22971 and 22974) level is up to the Upper line (Figure 43) on the battery case. There are 4 fuses in the electrical system. They are under the control panel on the left side (Figure 45).

  • Page 34: Drive System Maintenance

    Drive System the drive sprocket. The track should flex no more than 1/4 to 3/8 inch (0.6 to 1 cm). If it does, adjust the track Maintenance tension using the following procedure: Servicing the Tracks Cleaning the Tracks Service Interval: Before each use or daily Check the tracks for excessive wear and clean them periodically.
  • Page 35 Replacing the Tracks When the tracks are badly worn, replace them. 1. Lower the boom and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.

  • Page 36: Belt Maintenance

    Checking and Greasing the Road Belt Maintenance Wheels Replacing the Pump Drive Belt Service Interval: Every 250 hours 1. Remove the tracks; refer to Replacing the Tracks. If the pump drive belt begins to squeal or is cracked, worn, or frayed, replace it. Contact you Authorized 2.

  • Page 37: Controls System Maintenance

    Controls System Maintenance 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. Figure 54 Important: To adjust the controls properly, 1.

  • Page 38: Adjusting The Traction Control Neutral Position

    Adjusting the Traction Control Neutral Position If the machine creeps forward or backward when the traction control is in neutral and the unit is warm, the return-to-neutral mechanism on the pumps may need to be adjusted; contact you Authorized Service Dealer for repairs.

  • Page 39: Hydraulic System Maintenance

    Hydraulic System 7. Place a drain pan capable of hold 10 US Gallons (37.8 l) under the hydraulic tank. Maintenance 8. Pinch the hose clamp and slide the clamp and hose off of the fitting on the hydraulic tank, allowing the hydraulic fluid to drain from the hose and tank into Replacing the Hydraulic Filter the pan.

  • Page 40: Checking The Hydraulic Lines

    Trencher Maintenance 15. Check the hydraulic fluid level and top it off if necessary; refer to Checking Hydraulic Fluid. 16. Clean up any spilled fluid. Replacing the Digging Teeth 17. Install the top cover. Service Interval: Before each use or daily—Check the condition of the digging teeth and Checking the Hydraulic Lines replace any that are worn or damaged.

  • Page 41: Replacing The Drive Sprocket

    B. Loosen the jam nut on the adjusting bolt in the boom. C. Loosen the adjusting bolt until you can remove the chain from the boom D. Remove the chain from the drive sprocket. E. If the chain needs replacing, remove the bolt and nut securing the spoils auger and remove the auger and chain.

  • Page 42: Cleaning

    Cleaning 16. Thread the adjustment bolt into the boom and turn it in until there is 1-1/2 to 2-1/2 inches (3.8 to 6.3 cm) of slack in the chain on the bottom span. Removing Debris from the 17. Thread the jam nut down the adjusting bolt and Machine tighten it securely against the boom.

  • Page 43: Storage

    Storage 10. Place a rag over the spark plug hole to catch any oil spray, then use the starter or recoil handle to crank the engine and distribute the oil inside the cylinder. 1. Lower the boom and set the parking brake. 11.

  • Page 44: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank (models 22971 1. The battery is discharged. 1. Charge the battery or replace it. and 22974). 2. The electrical connections are corroded 2. Check the electrical connections for or loose. good contact.
  • Page 45 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 46: Schematics

    Schematics Electrical Schematic—Model 22970 (Rev. A) Electrical Schematic—Model 22971 (Rev. A)
  • Page 47 Electrical Schematic—Model 22974 (Rev. A)
  • Page 48 51/25 X 254 TRENCHER LIFT (REAR) (FRONT) DRIVE 13 X 1 13 X 1 13 X 1 13 X 1 20 um G008330 Hydraulic Schematic—Model 22970 (Rev. A)
  • Page 49 51/25 X 254 TRENCHER LIFT (REAR) (FRONT) DRIVE 13 X 1 13 X 1 13 X 1 13 X 1 20 um G008331 Hydraulic Schematic—Model 22971 and 22974 (Rev. A)
  • Page 50 Notes:...
  • Page 51 Notes:...
  • Page 52 Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer) to obtain guaran- tee policies for your country, province, or state. If for any reason you are dissatisfi ed with your Distributor’s service or have diffi culty obtaining guarantee information, contact the Toro importer.

This manual is also suitable for:

Trx-15Trx-26

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