Table of Contents
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Summary of Contents for Toro 22473
- Page 1 Form No. 3420-725 Rev A High-Torque Trencher Head and High-Speed Trencher Head Compact Tool Carrier Model No. 22473—Serial No. 402000000 and Up Model No. 22474—Serial No. 402000000 and Up *3420-725* A Register at www.Toro.com. Original Instructions (EN)
- Page 2 Whenever you need service, genuine Toro parts, or g000502 additional information, contact an Authorized Service Figure 2 Dealer or Toro Customer Service and have the model 1. Safety-alert symbol and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product.
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Page 3: Table Of Contents
Contents Safety Safety ............... 3 DANGER General Safety ........... 3 Slope Safety ............4 There may be buried utility lines in the work Trencher Safety ..........4 area. Digging into them may cause a shock Maintenance and Storage Safety......4 or an explosion. -
Page 4: Slope Safety
Slope Safety • Use caution when operating on wet surfaces. Reduced traction could cause sliding. • Operate the machine up and down slopes with • Do not operate the machine near drop-offs, the heavy end of the machine uphill. Weight ditches, embankments, or bodies of water. - Page 5 decal99-9953 99-9953 1. Explosion and/or electric shock hazard—do not dig in areas with buried gas or power lines. decal115-1497 115-1497 1. Crushing hazard of hand; crushing hazard of foot—keep bystanders away from the machine; keep away from moving parts.
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Page 6: Setup
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Boom assembly (sold separately) Install the boom and digging chain. Chain assembly (sold separately) Safety bar Safety bar extension (with booms over 61 cm (2 ft) only) Install the safety bar. -
Page 7: Installing The Safety Bar
If the chain is not connected, connect the links by pressing or hammering the clevis pin supplied with the chain through the links. Important: To avoid bending the chain links, place blocks under and between the links when hammering the clevis pin. Secure the clevis pin with the cotter pin supplied with the chain. -
Page 8: Checking The Bearing Case Lube Level
Installing the Spoils Auger No Parts Required Procedure Before operating the trencher, install and position the spoils auger to work correctly with the digging chain configuration you are using. If you do not position the spoils auger correctly, you could damage the trencher. Use the bolt and nut removed from the auger previously to secure it in the correct holes, as described in the following list:... -
Page 9: Product Overview
Contact seated in the attachment mount plate. your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all approved attachments and accessories. WARNING To ensure optimum performance and continued safety... -
Page 10: Digging A Trench
Offsetting the Trencher CAUTION Hydraulic couplers, hydraulic lines/valves, You can move the trencher to the right side of the and hydraulic fluid may be hot. If you contact trencher frame to allow you to trench close to buildings hot components, you may be burned. and other obstacles. -
Page 11: Transport Position
Transport Position When transporting the attachment, keep it as close to the ground as possible, no more than 15 cm (6 inches) above the lowest position. Tilt it rearward. g244770 Figure 8 Safety bar not shown 1. Bolt (6) Torque the bolts to 257 to 311 N∙m (190 to 230 ft-lb). -
Page 12: Operating Tips
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. • Always use full throttle (maximum engine speed) when trenching. -
Page 13: Maintenance
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Grease the trencher. Before each use or daily • Inspect the boom for wear. • Check the gear-lube level. • Adjust the digging chain tension. Every 25 hours • Inspect the boom for wear. •... -
Page 14: Servicing The Bearing Case Lube
Servicing the Bearing Case Changing the Gear Lube Park the machine on a level surface, disengage Lube the auxiliary hydraulics lever, lower the attachment, and engage the parking brake (if Service Interval: Every 25 hours—Check the equipped). gear-lube level. Shut off the engine and remove the key Every 200 hours—Change the gear lube. -
Page 15: Flipping A Worn Boom
Flipping a Worn Boom Service Interval: Every 25 hours—Inspect the boom for wear. Inspect the bottom of the boom for wear, if it is worn, complete the following: Note: If you have already flipped the boom once, replace the boom when both sides are worn. Park the machine on a level surface, disengage the auxiliary hydraulics lever, lower the attachment, and engage the parking brake (if... -
Page 16: Storage
Storage Loosen the 2 bolts and nuts securing the boom to the trencher arm (Figure Loosen the jam nut on the adjusting bolt in the Before long term storage, brush the dirt from the boom (Figure attachment. Loosen the adjusting bolt until you can remove Check the condition of the digging chain. - Page 17 Notes:...
- Page 18 Notes:...
- Page 19 The method of transmission shall be electronic transmittal. This machinery shall not be put into service until incorporated into approved Toro models as indicated on the associated Declaration of Conformity and in accordance with all instructions, whereby it can be declared in conformity with all relevant Directives.
- Page 20 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.