Form No. 3359-197 Rev B Dingo® TX 420 and TX 425 Compact Utility Loader Model No. 22306—Serial No. 280000001 and Up Model No. 22306G—Serial No. 280000001 and Up Model No. 22307—Serial No. 280000001 and Up Register at www.Toro.com.
Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Because in some areas there are local, state, or federal regulations requiring that a spark arrester be used on the engine of this machine, a spark arrester is available as an option. If you require a spark arrestor, contact your Authorized Service Dealer. Figure 1 1.
Contents Adjusting the Traction Control Alignment ...................................................... 37 Adjusting the Traction Control Neutral Position.......................................................... 38 Adjusting the Tracking of the Traction Control, Full Forward Position........................ 38 Hydraulic System Maintenance ............................... 39 Replacing the Hydraulic Filter ............................. 39 Changing the Hydraulic Fluid .............................
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. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. – Use only an approved container – Never remove the gas cap or add fuel with the engine running. Allow the engine to cool before refueling. Do not smoke. – Never refuel or drain the machine indoors.
• Read all attachment manuals. • Ensure that the area is clear of other people before operating the traction unit. Stop the traction unit if anyone enters the area. • Never leave a running traction unit unattended. Always lower the loader arms, stop the engine, set the parking brake, and remove the key before leaving. • Do not exceed the rated operating capacity, as the traction unit may become unstable which may result in loss of control. • Do not carry a load with the arms raised.
– Keep container nozzle in contact with the tank during filling. • Let the engine cool before storing and do not store near flame. • Do not store fuel near flames or drain indoors. • Park the machine on level ground. Never allow untrained personnel to service the machine. • Use jack stands to support components when required. • Carefully release pressure from components with stored energy. • Disconnect the battery or remove the spark plug wires before making any repairs.
Slope Chart 7
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. 108-4658 1. Operator’s Manual location. 2. Fast 3.
107-9309 1. Warning—read the Operator’s Manual for information on charging the battery; contains lead; do not discard. 2. Read the Operator’s Manual. NECTING COUPLERS. WHEN CONNECTING COUPLERS. E WEAR SHOULD BE WORNPROTECTIVE WEAR SHOULD BE WORN T. MAY BE HOT. C COUPLERS HYDRAULIC COUPLERS NECTING COUPLERS. WHEN CONNECTING COUPLERS. E WEAR SHOULD BE WORNPROTECTIVE WEAR SHOULD BE WORN T. MAY BE HOT.
8-4670 108-4671 93-9084 1. Lift point 2.
Setup 3. When the battery is fully charged, unplug the charger from the electrical outlet, then disconnect the charger leads from the battery posts (Figure 3). 1 4. Close the rear access cover. 2 Charging the Battery No Parts Required Checking Fluid Levels Procedure No Parts Required Warning Procedure CALIFORNIA 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.
Product Overview Figure 4 1. 2. 3. 4. Track Track adjustment chamber Lift cylinder Cylinder lock 5. 6. 7. 8. Loader arms 9. Mount plate Hood 10. Tie-down/lift loop Auxiliary hydraulic couplers 11. Control panel Tilt cylinder 12. Rear access cover 13. Fuel tank 14. Reverse safety plate Controls To stop the engine, rotate the key to the off position. Become familiar with all the controls (Figure 5) before you start the engine and operate the traction unit.
Traction Control Figure 7 1. Lower the loader arms 2. Raise the loader arms 3. Tilt the attachment rearward 4. Tilt the attachment forward 5. Detent (Float) position Figure 6 1. Neutral/stop 2. Forward 3. Reverse 4. Turn right 5. Turn left By moving the lever to an intermediate position (such as, forward and left), you can move the loader arms and tilt the attachment at the same time. • To move forward, move the traction control forward (number 2 in Figure 6)..
Note: The traction unit may roll slightly before the brakes engage in the drive sprocket. Figure 9 To release the brake, push the lever forward and then right, into the notch. Fuel Gauge This gauge measures the amount of fuel in the fuel tank. Hydraulic Oil Temperature Light (Dingo TX 425 only) If the hydraulic oil gets too hot, this light illuminates and an audible alarm sounds. If this happens, stop the engine and allow the traction unit to cool.
Specifications Note: Specifications and design are subject to change without notice. TX 420, Model 22306 and 22306G Width 34 inches (86 cm) Length 71 inches (180 cm) Height 46 inches (117 cm) Weight 1880 lb (853 Kg) Operating capacity 500 lb (227 Kg) Tipping capacity 1480 lb (671 Kg) Wheelbase 31.
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.
Operation In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. Note: Determine the left and right sides of the machine from the normal operating position. Important: 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.
chance of varnish deposits in the fuel system, use fuel stabilizer at all times. Filling the Fuel Tank 1. Park the traction unit on a level surface, lower the loader arms, and stop the engine. 2. Remove the key and allow the engine to cool. 3. Clean around the fuel tank cap and remove it. 4. Add unleaded gasoline to the fuel tank, until the level is just below the bottom of the filler neck. Figure 11 1. Filler cap Important: This space in the tank allows gasoline to expand.
lower), hydraulic system damage could occur. When starting the engine in cold conditions, allow the engine to run in the middle throttle position for 2 to 5 minutes before moving the throttle to fast (rabbit). Note: If outdoor temperature is below freezing, store the traction unit in a garage to keep it warmer and aid in starting. Stopping the Engine 1. Move the throttle lever to the slow (turtle) position. Figure 12 1. Filler neck cap 2. Lower the loader arms to the ground. 2. Dipstick 3.
1 3 G004182 2 Figure 14 1. Cylinder lock 2. Lift cylinder 3. Lynch pin Figure 13 1. Left tow valve (right track) 2. Right tow valve (left track) 5. Lower the cylinder lock over the cylinder rod and secure it with the lynch pin (Figure 14). 6. Slowly lower the loader arms until cylinder lock contacts the cylinder body and rod end. 4. Tow the traction unit as required. 5. When the traction unit has been repaired, close the tow valves before operating it.
warranty of the traction unit may be voided if used with unapproved attachments. Important: Before installing the attachment, ensure that the mount plates are free of any dirt or debris and that the pins rotate freely. If the pins do not rotate freely, grease them. 1. Position the attachment on a level surface with enough space behind it to accommodate the traction unit. 2. Start the engine. 3. Tilt the attachment mount plate forward. 4.
Important: Connect the attachment hoses together to prevent hydraulic system contamination during storage. 6. Push the attachment male connector into the female connector on the traction unit. Note: When you connect the attachment male connector first, you will relieve any pressure built up in the attachment. 6. Install the protective covers onto the hydraulic couplers on the traction unit. 7. Start the engine, tilt the mount plate forward, and back the traction unit away from the attachment.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Replace the hydraulic filter. After the first 50 hours • Change the engine oil and filter. • Check and adjust the track tension. Before each use or daily Every 25 hours • • • • • • Check the engine oil level. Grease the traction unit. (Grease immediately after every washing.
If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition and disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Premaintenance Procedures Before opening any of the covers, stop the engine and remove the key. Allow the engine to cool before opening any covers Opening the Hood 1.
Removing the Front Screen If the engine has been running the heat shield will be very hot and could burn you. Allow the traction unit cool completely before touching the heat shield. 1. Open the hood and remove both side screens. Figure 19 2. Loosen the bolts securing the front weight (Figure 21). 1. Hand knob 2. Tilt the rear access cover down and remove to access the internal components (Figure 19). Closing the Rear Access Cover 1.
Lubrication Greasing the Traction Unit Service Interval: Before each use or daily (Grease immediately after every washing.) Grease Type: General-purpose grease. 1. Lower the loader arms and stop the engine. Remove the key. 2. Clean the grease fittings with a rag. Figure 22 1. Front screen 3. Connect a grease gun to each fitting (Figure 24 and Figure 25). 2. Bolts (left side bolt not shown) 6. Remove the shoulder bolts and nuts securing the oil cooler to the top of the front screen (Figure 23).
Engine Maintenance Cleaning the Foam Pre-filter Important: Replace the foam element if it is torn or worn. Servicing the Air Cleaner 1. Wash the foam pre-filter in liquid soap and warm water. When clean, rinse it thoroughly. Service Interval: Every 25 hours—Clean the foam air filter element and check the paper element for damage. Every 100 hours—Replace the paper air filter element. 2. Dry the pre-filter by squeezing it in a clean cloth (do not wring). 3.
3. Install the cover, spacer and secure it with the cover nut (Figure 26). Torque the nut to 95 inch-lb (11 N-m). Components will be hot if the traction unit has been running. If you touch hot components you may be burned. 4. Install the air cleaner cover and secure with the knob (Figure 26). Allow the traction unit to cool before performing maintenance or touching components under the hood. 5. Close the hood. Servicing the Engine Oil 4. Remove the drain plug (Figure 30).
Figure 31 Figure 32 1. Oil filter 1. Spark plug wire 2. Spark plug 4. Pour new oil of the proper type through the center hole of the filter. Stop pouring when the oil reaches the bottom of the threads. 4. Clean around the spark plugs. 5. Remove both spark plugs and metal washers. 5. Allow a minute or two for the oil to be absorbed by filter material, then pour off the excess oil. Checking the Spark Plugs 1. Look at the center of both spark plugs (Figure 33).
Draining the Fuel Tank Fuel System Maintenance 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. Changing the Fuel Filter Service Interval: Every 200 hours/Yearly (whichever comes first) • Drain gasoline from the fuel tank when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. 1. Lower the loader arms, stop the engine, and remove the key. 2.
Electrical System Maintenance 2 Servicing the Battery 3 Service Interval: Every 100 hours—Check the battery electrolyte level (replacement battery only). 1 Every 100 hours—Check the battery cable connections. G003794 Figure 35 1. Filler caps 2. Upper line Warning CALIFORNIA 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. 3.
6. Install the battery filler caps. Drive System Maintenance Charging the Battery Servicing the Tracks level is up to the Upper line (Figure 35) on the battery case. Service Interval: After the first 50 hours—Check and adjust the track tension. Charging the battery produces gasses that can explode. Before each use or daily—Clean the tracks. Never smoke near the battery and keep sparks and flames away from battery.
Figure 39 Figure 37 1. Track 2. Tension wheel 1. Locking bolt 2. Tensioning screw 3. Road wheels 4. Drive sprocket 3. Tension tube 4. Tension wheel 4. Using a 1/2 inch drive socket (Figure 40), turn the tensioning screw counter-clockwise until the distance between the tension nut and the back of the tension tube (Figure 38) is 2-3/4 inches (7 cm). Adjusting the Track Tension There should be 2-3/4 inches (7 cm) between the tension nut and the back of the tension tube (Figure 38).
Replacing the Tracks (TX 425, Model 22307) When the tracks are badly worn, replace them. 1. Lower the loader arms, stop the engine, and remove the key. 2. Lift/support the side of the unit to be worked on so that the track is 3 to 4 inches (7.6 to 10 cm) off of the ground. 3. Remove the locking bolt and nut (Figure 39). 4. Using a 1/2 inch drive socket, release the drive tension by turning the tensioning screw clockwise (Figure 39 and Figure 41). Figure 40 1. 2. 3. 4.
11. Install the large washers on the wheels over the grease. 12. Install the inner tension wheel and secure it with the nut removed previously (Figure 41). 13. Torque the nut to 300 ft-lb (407 N-m). 14. Install the new track, ensuring that the lugs in the track fit between the spacers in the middle of the drive sprocket (Figure 41). 15. Install the outer tension wheel and secure it with the nut removed previously (Figure 41). Figure 43 16. Torque the nut to 300 ft-lb (407 N-m). 1. Road wheel 2. Gasket 3.
Belt Maintenance Inspecting/Replacing the Drive Belt Service Interval: Every 25 hours—Inspect the drive belt for wear or damage. Every 200 hours—Replace the drive belt. Replace the belt if you find any signs of wear, cracks, or damage or after 200 operating hours, whichever comes first.
Controls System Maintenance The factory adjusts the controls before shipping the traction unit. 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. Important: To adjust the controls properly, complete each procedure in the order listed. Adjusting the Traction Control Alignment Figure 45 1. Idler pulley assembly 2.
Figure 48 1. Traction control 2. Stem , bolt and nut Figure 50 5. Adjust the traction control so that it rests flush against the reference bar when it is pulled straight back (Figure 48 and Figure 49). 1. Traction rod 2. Jam nut 4. Start the traction unit and set the throttle to about 1/3 open position. When the traction unit is running, you could be caught and injured in moving parts or burned on hot surfaces.
Hydraulic System Maintenance 1. Drive the traction unit with the traction control against the reference bar, noting which direction the traction unit veers. 2. Release the traction control. 3. If the traction unit veers to the left, loosen the right jam nut and adjust the tracking set screw on the front of the traction control (Figure 51). Replacing the Hydraulic Filter 4.
Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Fluid injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result. • Keep your body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid. • Use cardboard or paper to find hydraulic leaks, never use your hands. Figure 53 1. Filler neck cap 11.
Cleaning 11. Stop the engine. 12. Check the hydraulic fluid level and top it off if necessary; refer to Checking Hydraulic Fluid. 13. Close the hood. Removing Debris from the Traction Unit Checking the Hydraulic Lines Service Interval: Before each use or daily Service Interval: Every 100 hours—Check the hydraulic lines for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather, and chemical deterioration. (Make necessary repairs before operating.
Cleaning the Chassis Service Interval: Every 100 hours—Check for dirt build-up in the chassis. 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. When the debris is 1 to 2 inches deep, complete the following procedure (refer to Figure 55 throughout this procedure): Figure 56 1. Black wire 2. Orange wire 13.
22. Secure the battery tray with the bolts and washers removed previously. Storage 23. Install the side weights with the bolts, washers, and lock washers removed previously (Figure 55). 1. Lower the loader arms, stop the engine, and remove the key. 2. Remove dirt and grime from the external parts of the entire traction unit, especially the engine. Clean dirt and chaff from the outside of the engine cylinder head fins and blower housing. 24. Close the rear access cover. 25.
F. Start and run the engine until it will not start again. G. Dispose of fuel properly. Recycle as per local codes. Important: Do not store stabilizer/conditioned gasoline over 90 days. 13. Check and adjust the track tension; refer to Adjusting the Track Tension. 14. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 15. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 16.
Troubleshooting Problem The starter does not crank The engine will not start, starts hard, or fails to keep running. Possible Cause 1. The battery is discharged. 1. Charge the battery or replace it. 2. The electrical connections are corroded or loose. 3. The relay or switch is damaged. 2. Check the electrical connections for good contact. 3. Contact your Authorized Service Dealer. 1. The fuel tank is empty. 1. Fill the fuel tank with gasoline. 2. The choke is not on. 3. The air cleaner is dirty. 2.
Schematics Electrical Schematic (Rev.
Hydraulic Schematic (Rev.
The Toro Compact Utility Loader Warranty A One-Year Limited Warranty Compact Utility Loader (CUL) Products Conditions and Products Covered The Toro® Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Compact Utility Loader (CUL) (“Product”) to be free from defects in materials or workmanship.
