Toro 22470 Operator's Manual

High torque trencher head and high speed trencher head for compact utility loaders

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Form No. 3353-890 Rev B
High Torque Trencher Head and
High Speed Trencher Head
for Compact Utility Loaders
Model No. 22470—Serial No. 250000001 and Up
Model No. 22471—Serial No. 250000001 and Up
Register at www.Toro.com.
Original Instructions (EN)

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Summary of Contents for Toro 22470

  • Page 1 Form No. 3353-890 Rev B High Torque Trencher Head and High Speed Trencher Head for Compact Utility Loaders Model No. 22470—Serial No. 250000001 and Up Model No. 22471—Serial No. 250000001 and Up Register at www.Toro.com. Original Instructions (EN)
  • Page 2: Table Of Contents

    Setup................6 additional information, contact an Authorized Service 1 Installing the Boom and Digging Dealer or Toro Customer Service and have the model Chain ............... 6 and serial numbers of your product ready. Figure 1 2 Installing the Safety Bar........7 identifies the location of the model and serial numbers 3 Installing the Spoils Auger........
  • Page 3: Safety

    Safety When going up or down hill, the machine could Improper use or maintenance by the operator or overturn if the heavy end is toward the downhill owner can result in injury. To reduce the potential side. Someone may be pinned or seriously for injury, comply with these safety instructions and injured by the machine if it overturns.
  • Page 4: Stability Ratings

    Stability Ratings To determine the degree of slope you can traverse with Hydraulic couplers, hydraulic lines/valves, and the trencher installed on a traction unit, find the stability hydraulic fluid may be hot and can burn you if rating for the hill position you want to travel in the you touch them.
  • Page 5: 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. 99-9952 1. Cutting hazard, chain and auger—stay away from moving parts and keep bystanders away from the machine. 2.
  • Page 6: Setup

    Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Boom assembly Install the boom and digging chain. Chain assembly (sold separately) Safety bar Install the safety bar. – No parts required Install the spoils auger.
  • Page 7: Installing The Safety Bar

    Important: To avoid bending the chain links, 2. Using the fasteners removed previously, install the place blocks under and between the links when trencher safety bar as illustrated in Figure 4. hammering the clevis pin through. 3. Torque the bolts and nuts to 190 to 230 ft-lb (257 to 9.
  • Page 8: Checking The Bearing Case Lube Level

    G008940 Figure 6 1. Bearing case fill hole plug G008936 Figure 5 4. Remove the plug from the bearing case fill hole 1. Auger (Figure 6). 2. Connect these holes for a 4 inch (10 cm) chain 3. Connect these holes for a 6 inch (15 cm) chain 5.
  • Page 9: Product Overview

    Authorized Service Dealer or Distributor or go to into the ground gradually. www.Toro.com for a list of all approved attachments 5. Once the trencher boom is in the ground at a 45 to and accessories.
  • Page 10: Transporting The Trencher On A Trailer

    Transporting the Trencher on a Trailer Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Fluid injected Place the trencher on a trailer or truck capable of into the skin must be surgically removed within carrying it. Securely tie the trencher to the trailer or a few hours by a doctor familiar with this form truck using tie straps appropriate for the weight of the of injury or gangrene may result.
  • Page 11: Maintenance

    Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Grease the trencher. Before each use or daily • Inspect the digging teeth and chain for excessive wear. • Check the gear lube level. • Adjust the digging chain tension. Every 25 hours •...
  • Page 12: Adjusting Digging Chain Tension

    Adjusting Digging Chain 2. Stop the engine and remove the key. Tension 3. Clean the area around the bearing case fill hole plug (Figure 10). Service Interval: Every 25 hours With the trencher parallel to the ground, ensure that there are 1-1/2 to 2-1/2 inches (3.8 to 6.3 cm) between the bottom of the boom and the top of the bottom chain span.
  • Page 13: Replacing The Digging Teeth

    Replacing the Digging Teeth Important: The arrow on the sprocket face should be visible from the right side of the Service Interval: Before each use or daily trencher and should point in a clockwise direction; if not, turn the sprocket around. Due to the high amount of wear placed on the digging teeth, you will need to replace them periodically.
  • Page 14: Storage

    Storage 1. Before long term storage, brush the dirt from the attachment. 2. Check the condition of the digging chain. Adjust and lubricate the chain. Replace any worn or damaged teeth. 3. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or worn.
  • Page 15: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The chain does not turn. 1. A hydraulic coupler is not completely 1. Check and tighten all couplers. connected. 2. A hydraulic coupler is damaged. 2. Check/replace couplers 3. There is an obstruction in a hydraulic 3.
  • Page 16 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:

22471

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