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Table of Contents
Related Manuals for Toro 22473
Summary of Contents for Toro 22473
- Page 1 High-Torque Trencher Head Compact Utility Loaders Model No. 22473—Serial No. 310000001 and Up Model No. 22474—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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Page 2: Table Of Contents
The trencher heads are attachments designed for use on Serial No. Toro compact utility loaders with a variety of booms and chains to dig trenches in soil to facilitate the burying of cabling and piping. They are not intended for use in This manual identifies potential hazards and has cutting hard materials such as wood or concrete. -
Page 3: Safety
Safety Specifications ............8 Attachments/Accessories........8 Operation..............9 Improper use or maintenance by the operator or Digging a Trench..........9 owner can result in injury. To reduce the potential Offsetting the Trencher ........9 for injury, comply with these safety instructions and Transporting the Trencher on a Trailer .... -
Page 4: Stability Ratings
Stability Ratings WARNING If you do not fully seat the attachment locking To determine the degree of slope you can traverse with pins in the attachment mount plate holes, the the trencher installed on a traction unit, find the stability attachment could fall off of the traction unit severely rating for the hill position you want to travel in the injuring the operator or bystanders. -
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 7. Install the 2 bolts, nuts, and double washers removed previously through the boom and arm, but do not tighten them. 8. If the chain is not connected, connect the links by pressing or hammering the clevis pin supplied with the chain through the links. -
Page 7: Installing The Spoils Auger
• 6 inch (15 cm) chain configuration Using the hole farthest from the auger blade in the end of the auger with two holes, connect the auger to the inner hole on the shaft. • 8 inch (20 cm) chain configuration Using the end of the auger with one hole, connect the auger to the inner hole on the shaft. -
Page 8: Checking The Bearing Case Lube Level
(Figure 6). 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. G008940 Figure 6 1. Bearing case fill hole plug 4. -
Page 9: Operation
Operation WARNING Hydraulic fluid escaping under pressure can Refer to your traction unit Operator’s Manual for more penetrate skin and cause injury. Fluid injected information on installing and removing attachments into the skin must be surgically removed within on your traction unit. a few hours by a doctor familiar with this form of injury or gangrene may result. -
Page 10: Transporting The Trencher On A Trailer
Transporting the Trencher on a Trailer Place the trencher on a trailer or truck capable of carrying it. Securely tie the trencher to the trailer or truck using tie straps appropriate for the weight of the trencher and for highway use. Operating Tips •... -
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 Tension 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 guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer.