Form No. 3352-362 Dingo) TX 420 and TX 425 Compact Utility Loader Model No. 22306—250000001 and Up Model No. 22307—250000001 and Up Operator’s Manual Register your product at www.Toro.
Warning Checking the Oil Level . . . . . . . . . . . . . . . . . . . . Removing Debris from the Traction Unit . . . . . . Checking the Hydraulic Fluid . . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Traction Unit Overview . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Starting and Stopping the Engine . . . . . . . . . . . . Stopping the Traction Unit . . . . . . . . . . . . . . . .
or Service Representative provide exact information about your specific product. The two numbers are stamped into a plate mounted under the hood near the belt drive. Warning Engine exhaust contains carbon monoxide, an odorless, deadly poison that can kill you. For your convenience, write the product model and serial numbers in the space below. Do not run the engine indoors or in an enclosed area. Model No: Serial No. Training • Read the Operator’s Manual and other training material.
Operation • Do not over-load the attachment and always keep the load level when raising the loader arms. Logs, boards, and other items could roll down the loader arms, injuring you. • Never run an engine in an enclosed area. • Only operate in good light, keeping away from holes and hidden hazards. • Never jerk the controls; use a steady motion. • Be sure all drives are in neutral and parking brake is engaged before starting the engine. Only start the engine from the operator’s position.
• If any maintenance or repair requires the loader arms to be in the raised position, secure the arms in the raised position with the hydraulic cylinder lock. • Keep all movements on slopes slow and gradual. Do not make sudden changes in speed or direction. • Avoid starting or stopping on a slope. If the traction unit loses traction, proceed slowly, straight down the slope. • Secure the loader arm valve with the loader valve lock anytime you need to stop the machine with the loader arms raised.
Slope Chart MĆ4402 7
Safety and Instruction 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.
7-9309 1. Warning—read the Operator’s Manual for information on charging the battery; contains lead; do not discard. 2. Read the Operator’s Manual.
104-2844 93-9084 1. Lift point 2.
Setup Charging the Battery Warning Warning Charging the battery produces gases that can explode. CALIFORNIA Never smoke near the battery and keep sparks and flames away from battery. Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. 4.
Specifications Attachments Many attachments are available for use with the traction unit. These attachments allow you to to perform many different functions with the traction unit such as hauling materials, digging holes, grading, and more. Contact your Toro dealer for a list of all approved attachments and accessories. Specifications and design are subject to change without notice.
Stability Data The following tables list the maximum slope recommended for the traction unit in the positions listed in the tables. Slopes over the listed degree may cause the traction unit to become unstable. The data in the tables assume that the loader arms are fully lowered; raised arms may affect the stability. In each attachment manual is a set of three stability ratings, one for each hill position.
Before Operating Important Do not use methanol, gasoline containing methanol, or gasohol containing more than 10% ethanol because the fuel system could be damaged. Do not mix oil with gasoline. Before operating, check the fuel and oil level, and remove debris from the traction unit. Also, ensure that the area is clear of people and debris. You should also know and have marked the locations of all utility lines.
6. Clean any debris build-up on the engine and in the oil cooler fins with a brush or blower. 2 Important It is preferable to blow dirt out, rather than washing it out. If water is used, keep it away from electrical items and hydraulic valves. Do not use a high-pressure washer. High-pressure washing can damage the electrical system and hydraulic valves or deplete grease. 1 m-5232 m–3219 7. Clean debris from the cooler fan grill on the hood. Figure 2 1. Oil dipstick 8. Close the hood. 2.
Operation Traction Unit Overview Figure 5 contains a front and back view of the traction unit. Familiarize yourself with all of the traction unit components listed in Figure 5. 6 5 11 10 7 4 8 3 14 2 m-4732 1 9 13 m-7670 12 Figure 5 1. 2. 3. 4. Track Track adjustment chamber Lift cylinder Cylinder lock 5. 6. 7. 8. Loader arms Hood Auxiliary hydraulic couplers Tilt cylinder 9. Mount plate 10. Tie-down/lift loop 11. Control panel 12. Rear access cover 13. Fuel tank 14.
Key Switch Loader Arm/Attachment Tilt Lever The key switch, used to start and stop the engine, has three positions: off, run, and start. To tilt the attachment forward, slowly move the lever to the right (Fig. 8). 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. To tilt the attachment rearward, slowly move the lever to the left (Fig. 8). To stop the engine, rotate the key to the off position.
2 2 1 m–5918 m-5238 Figure 11 Figure 9 1. Loader valve lock 2. Loader arm/attachment tilt lever To release the brake, pull the lever rearward and right, out of the notch, and then push it forward. Auxiliary Hydraulics Lever Fuel Gauge To operate a hydraulic attachment in the forward direction, rotate the auxiliary hydraulics lever rearward and pull it down to the reference bar (Fig. 10, number 2). This gauge measures the amount of fuel in the fuel tank.
Moving a Non-functioning Traction Unit 4. Turn the ignition key to the start position. When the engines starts, release the key. Important Do not engage the starter for more than 10 seconds at a time. If the engine fails to start, allow a 30 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor. Important Do not tow or pull the traction unit without first opening the tow valves, or the hydraulic system will be damaged 5.
Connecting an Attachment 5. Lower the cylinder lock over the cylinder rod and secure it with the clevis pin and hairpin cotter (Fig. 13). Important Use only Toro-approved attachments. Attachments can change the stability and the operating characteristics of the traction unit. The warranty of the traction unit may be voided if used with unapproved attachments. 1 3 4 2 Important Before installing the attachment, ensure that the mount plates are free of any dirt or debris and that the pins rotate freely.
Note: When you connect the attachment male connector first, you will relieve any pressure build up in the attachment. Warning If you do not fully seat the quick attach pins through the attachment mount plate, the attachment could fall off of the traction unit, crushing you or bystanders. Warning Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Securing the Traction Unit for Transport Important roadways. 3. Set the parking brake. 4. Secure the traction unit to the trailer with chains or straps using the tie-down/lift loops (Fig. 5) to secure the rear of the traction unit and the loader arms/mount plate to secure the front of the traction unit. Do not operate or drive the traction unit on Important When transporting the traction unit on a trailer, always use the following procedure: Lifting the Traction Unit 1. Lower the loader arms.
5For severe duty or rental applications, change every 200 operating hours. the hydraulic fluid level before using the traction unit for the first time 6Check Important Refer to your engine operator’s manual for additional maintenance procedures. Note: After 50 hours and then every 100 hours thereafter (that is at 150, 250, 350, etc.) the screen displays CHG OIL to remind you to change the engine oil.
Removing the Front Screen Caution If the engine has been running the heat shield will be very hot and could burn you. 1 Allow the traction unit cool completely before touching the heat shield. 1. Open the hood and remove both side screens. m–7675 Figure 18 2. Loosen the bolts securing the front weight (Fig. 20). 1. Hand knob 3 4 Closing the Rear Access Cover 1 1. Move the rear access cover in place over the back of the traction unit making sure the tabs line up in the slots. 2.
1 2 4 4 1 2 3 m–5921 m–7878 Figure 22 1. Nut 2. Oil cooler Figure 23 3. Front screen 4. Shoulder bolts 1. Front of the control, out of alignment 8. When finished, install the front screen with the 4 bolts removed previously. 2. Reference bar 4. If the front of the traction control does not rest square and flush with the reference bar, loosen the flange nut and bolt in the stem of the traction control (Fig. 24). 9.
1. Lift/support the traction unit so that both tracks are off of the ground. Adjusting the Tracking of the Traction Control, Full Forward Position 2. Open the rear access cover; refer to Opening the Rear Access Cover, page 24. If the traction unit does not drive straight when you hold the traction control against the reference bar, complete the following procedure: 3. Loosen the jam nuts on the traction rods, under the control panel (Fig. 26). 1 2 1.
2. Remove the three bolts securing the left control panel cover and remove the cover (Fig. 28). 1 2 3. Loosen the jam nut on the adjustment bolt (Fig. 28). 4 3 1 5 6 2 7 3 9 8 m–7883 Figure 29 m–7882 1. 2. 3. 4. 5. Figure 28 1. Left control panel cover 2. Jam nut 3. Adjustment bolt 4. Turn the adjustment bolt clockwise until the lever slips into a detent position. Knob Air cleaner cover Cover nut Spacer Cover 6. 7. 8. 9. Foam pre-filter Paper filter Rubber seal Air cleaner base 5.
USE THESE SAE VISCOSITY OILS 6. Inspect the paper filter for tears, an oily film, and damage to the rubber seal. 10W-30, 10W-40 Important Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene. Replace the paper element if it is damaged, or cannot be cleaned thoroughly (i.e., after approximately 100 operating hours). 5W-20, 5W-30 1 2 –20 °F 0 –30 °C –20 20 32 40 –10 0 80 60 10 20 100 30 40 m–1213 Changing the Oil Figure 31 1. Paper element 2.
Servicing the Tracks 6. Remove the oil fill cap and slowly pour approximately 80% of the specified amount of oil in through the valve cover. Check the tracks for excessive wear and clean them periodically. If the tracks are worn, replace them. Check the road wheels yearly. 7. Check the oil level; refer to Checking the Oil Level, page 15. 8. Slowly add additional oil to bring the level to the F (full) mark on the dipstick. Cleaning the Tracks 9. Replace the fill cap. 1.
3. Remove the locking bolt and nut (Fig. 36). m–4775 4. Using a 1/2 inch drive socket, release the drive tension by turning the tensioning screw clockwise (Fig. 36 and 37). 1 1 3 4 8 Figure 35 1. 2-3/4 inches (7 cm) 5 1. Lower the loader arms, stop the engine, and remove the key. 6 2. Lift/support the side of the unit to be worked on so that the track is off of the ground. m–6782 3 2 1. 2. 3. 4. 1 Track 1/2 inch socket Tension wheel Fork tube 5. 6. 7. 8.
Replacing the Tracks (TX 425, Model 22307) 12. Install the inner tension wheel and secure it with the nut removed previously (Fig. 38). When the tracks are badly worn, replace them. 13. Torque the nut to 300 ft-lb (407 N⋅m). 1. Lower the loader arms, stop the engine, and remove the key. 14. Install the new track, ensuring that the lugs in the track fit between the spacers in the middle of the drive sprocket (Fig. 38). 2.
Removing the Spark Plugs 1 1. Lower the loader arms, stop the engine, and remove the key. 2 5 4 2. Open the hood; refer to Opening the Hood, page 24. 3 3. Pull the wires off of the spark plugs (Fig. 41). 4. Clean around the spark plugs. 5. Remove both spark plugs and metal washers. 6 m–6776 Figure 40 1. Road wheel 2. Gasket 3. Bolt 4. Road wheel cap 5. Snap ring 6. Add grease under the cap 1 4. Check the grease under the cap and around the gasket (Fig 40).
Installing the Spark Plugs 5. Wipe up any excess grease. 1. Thread the spark plugs into the spark plug holes. Changing the Fuel Filter 2. Tighten the spark plugs to 20 ft-lb (27 N.m). Change the fuel filter after every 200 operating hours or yearly, whichever occurs first. 3. Push the wires onto the spark plugs (Fig. 41). 4. Close the hood. 1. Lower the loader arms, stop the engine, and remove the key. Greasing the Traction Unit 2.
Draining the Fuel Tank Danger In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. 1 • Drain gasoline from the fuel tank when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. • Never smoke when draining gasoline, and stay away from an open flame or where a spark may ignite the gasoline fumes. m–5920 Figure 46 1. Hydraulic filter 9. Clean up any spilled fluid.
12. Check the hydraulic fluid level and top it off if necessary; refer to Checking Hydraulic Fluid, page 16. Note: The filler cap is behind the front screen. If you want to improve your access to it, remove the screen; refer to Removing the Front Screen, page 25. 13. Close the hood. Checking Hydraulic Lines After every 100 operating hours, check the hydraulic lines and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather, and chemical deterioration.
Important Do not allow the electrolyte to get below the plates. (Fig. 49). Warning 1 2 Charging the battery produces gases that can explode. Never smoke near the battery and keep sparks and flames away from battery. 3 1262 Cleaning the Chassis Figure 49 1. Filler caps 2. Lower part of tube Over time, the chassis under the engine collects dirt and debris that must be removed. Using a flashlight, open the hood and inspect the area under the engine on a regular basis.
20. Slide the tank all the way into the traction unit. 9. Place a clamp on the fuel line, 2 inches from where it comes out of the fuel tank. Important The fuel line and wires must be away from the engine pulleys and the frame. 10. Slide the fuel tank to the rear (Fig. 50). 11. Disconnect the fuel line. 21. Replace the rear panel and secure it with the six bolts and nuts removed previously (Fig. 50). 12. Disconnect the two wires leading to the right side of the tank (Fig. 51). 22.
A. Add a petroleum based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from stabilizer manufacturer. (1 oz. per US gallon). Do not use an alcohol based stabilizer (ethanol or methanol). Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times. B. Run the engine to distribute conditioned fuel through the fuel system (5 minutes). C. Stop the engine, allow it to cool and drain the fuel tank using a pump type syphon. D.
Troubleshooting PROBLEM Starter does not crank POSSIBLE CAUSES CORRECTIVE ACTION 1. Battery is dead. 1. Charge the battery. 2. Electrical connections are corroded or loose. 2. Check electrical connections for good contact. 3. Relay or switch is defective. 3. Contact Authorized Service Dealer. 1. Fuel tank is empty. 1. Fill fuel tank with gasoline. 2. Choke is not on. 2. Move choke lever fully forward. 3. Air cleaner is dirty. 3. Clean or replace air cleaner element. 4.
Schematics Electrical Schematic 41
Hydraulic Schematic 42
The Toro Dingo) Product Line Warranty A One-Year Limited Warranty Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Dingo Product (“Product”) to be free from defects in materials or workmanship.
