Form No. 3366-134 Rev B Wheelmaster 320-D Compact Utility Loader Model No. 22337CP—Serial No. 311000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
DANGER Model No. There may be buried power, gas, and/or telephone lines in the work area. Shock or explosion may occur if you dig into them. Serial No. Have the property or work area marked for buried lines and do not dig in marked areas. Contact your local marking service or utility company to have the property marked (for example, in Australia, call 1100 for the nationwide marking service).
Safety Moving a Non-functioning Traction Unit................................................................ 22 Using the Cylinder Locks.................................... 22 Using Attachments............................................. 23 Securing the Traction Unit for Transport ............. 24 Adjusting the Thigh Support............................... 24 Maintenance............................................................... 26 Recommended Maintenance Schedule(s) ................
• Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by the manufacturer. • Wear appropriate clothing including hard hat, safety glasses, long pants, safety shoes, and hearing protection. Long hair, loose clothing or jewelry may get tangled in moving parts. • 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.
• Before operating the traction unit with an attachment, ensure that the attachment is properly installed. • Do not operate on wet grass. Reduced traction could cause sliding. • Do not park the traction unit on a hillside or slope without lowering the attachment to the ground and chocking the wheels. • Do not try to stabilize the traction unit by putting your foot on the ground. • Do not place your feet under the platform.
• Use extra care when handling fuels. They are flammable and vapors are explosive. – Use only an approved container. – Never remove the fuel cap or add fuel when the engine is running. Allow the engine to cool before refueling. Do not smoke. – Never refuel the traction unit indoors. – Never store the traction unit or fuel container inside where there is an open flame, such as near a water heater or furnace.
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.
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. To determine the maximum slope you can safely operate the machine on, refer to the Stability Data section. Use the slope indicator to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than that specified in the Stability Data section. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc.
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. 100-1701 1. 2. 3. 4. 5. Crushing hazard—install the cylinder lock and read the instructions before servicing or performing maintenance. Warning—remove the ignition key and lower the loader arms before leaving the machine. Cutting hazard of hand—wait for moving parts to stop.
0-1702 1. Warning—read the Operator’s Manual; maximum load rating of 515 lb. (234 Kg). 98-8235 1. Fast 2. Traction drive 100-1703 3. Slow 1. Speed selector 98-8219 100-1704 1. Read the Operator’s Manual. 2. Place the auxiliary hydraulics in Neutral. 1. Fast 2. Throttle 3. Start the engine. 3. Slow 100-1692 1. Brake engaged 2. Parking brake 93-7814 3. Brake disengaged 1. Entanglement hazard, belt—stay away from moving parts. 93-9084 100-8821 1. Lift point 1.
106–5976 1. Engine coolant under pressure 2. Explosion hazard—read the Operator’s Manual. 3. Warning –do not touch the hot surface. 4. Warning–read the Operator’s Manual. 98-3555 1. Read the instructions before servicing or performing maintenance on the battery. 2. Contains lead; do not discard. 3. Explosion hazard—wear eye protection. 4. Caustic liquid/chemical burn hazard—to perform first aid, flush with water. 5. Fire hazard—no fire, open flames, or smoking. 6.
Setup 3 1 Installing the Battery Installing the Valve Lever Parts needed for this procedure: 1 Parts needed for this procedure: 1 Maintenance-free battery Procedure Speed selector valve lever The traction unit is shipped without a battery. Your dealer will provide a maintenance free battery with the product. Procedure 1. Remove and discard the nut securing the bolt and lock washer to the speed selector lever. WARNING 2.
WARNING Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from battery. 4. When the battery is fully charged, unplug the charger from the electrical outlet, then disconnect the charger leads from the battery posts. 5. Install the battery onto the platform (Figure 5). 6. Secure the battery in the chassis with the bars and nuts removed previously (Figure 5). 7. Connect the positive (red) cable to the positive (+) battery post (Figure 5).
Product Overview 5 15 14 17 20 14 13 22 4 19 6 3 8 4 12 18 11 2 21 16 7 9 1 G005939 10 18 Figure 6 1. Mount plate 2. Tilt cylinder 3. Auxiliary hydraulic couplers 4. Loader arms 5. Front access cover 6. Fuel tank 7. Wheel 8. Lift cylinder 9. Operator platform (removable counterweight not shown) 10. Rear access cover (open) 11. Engine 12. Air filter 13. Control panel 14. Lift points 15. Handle 19. Parking brake lever 20. Radiator fill cap 21. Thigh support 16. Battery 17.
Auxiliary Hydraulics Lever Note: The farther you move the traction control levers in either direction, the faster the traction unit will move in that direction. • To operate a hydraulic attachment in forward direction, slowly pull the auxiliary hydraulics lever upward and then rearward. • To slow or stop, move the traction control levers to neutral. • To operate a hydraulic attachment in reverse direction, slowly pull the auxiliary hydraulics lever upward and then push it forward.
Flow Divider Control Parking Brake The traction unit hydraulics (i.e., the traction drive, loader arms, and attachment tilt) work on a separate hydraulic circuit from the auxiliary hydraulics for powering attachments; however, the two systems share the same hydraulic pumps. Using the flow divider control (Figure 9), you can vary the speed of the traction unit hydraulics by diverting hydraulic flow to the auxiliary hydraulics circuit.
oil as needed. If the problem persists, contact your Authorized Toro Dealer for diagnostics and repair. This light is on when the key is turned to run before starting the engine. The glow plug light will remain on for up to 10 seconds, indicating that the glow plugs are warming the engine. If the glow plug light is on while the engine is running, the glow plugs are broken. Contact your Authorized Toro Dealer for diagnostics and repair.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Important: Before operating, check the fuel, oil, and coolant level; remove debris from the traction unit; test the parking brake, and check the tire pressure. Also, ensure that the area is clear of people and debris. You should also know and have marked the locations of all utility lines. CAUTION You could fall off of the platform and be seriously injured during operation.
Important: Do not overfill the crankcase with oil because the engine may be damaged. 10. Replace the filler cap and dipstick. Checking the Engine Coolant Level Service Interval: Before each use or daily The cooling system is filled with a 50/50 solution of water and permanent ethylene glycol antifreeze. Check the level of coolant at the beginning of each day, before starting the engine. Figure 12 2. Drain valve 1. Fuel filter 4. Close the valve. WARNING 5. Close the rear access cover.
Important: Operating the engine with a blocked radiator, will result in engine damage from overheating. 1. Park the traction unit on a level surface, raise the loader arms, and install the cylinder locks. 2. Stop the engine and remove the key. Figure 15 3. Remove the front access cover. 1. Filler neck cap 2. Dipstick 4. Clean any debris from the grill. 5. Open the rear access cover. 7. If the level is low, add enough fluid to raise it to the proper level. 6. Wipe away debris from the air cleaner. 8.
Checking the Tire Pressure freezing or 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). Service Interval: Before each use or daily Maintain the air pressure in the tires as specified. Check the tires when they are cold to get the most accurate reading.
Using the Cylinder Locks CAUTION A child or untrained bystander could attempt to operate the traction unit and be injured. WARNING The loader arms may lower when in the raised position crushing anyone under them. Remove the key from the switch when leaving the traction unit, even if just for a few seconds. Install the cylinder locks before performing maintenance that requires raised loader arms.
Important: The attachment should be raised enough to clear the ground, and the mount plate should be tilted all the way back. 6. Stop the engine. 7. Engage the quick attach pins, ensuring that they are fully seated in the mount plate (Figure 22). Important: If the pins do not rotate to the engaged position, the mount plate is not fully aligned with the holes in the attachment receiver plate. Check the receiver plate and clean it if necessary. Figure 20 1. Hydraulic hoses 2. Cylinder locks 3.
Connecting the Hydraulic Hoses Removing an Attachment If the attachment requires hydraulics for operation, connect the hydraulic hoses as follows: 1. Lower the attachment to the ground. 2. Stop the engine. 1. Stop the engine. 3. Disengage the quick attach pins by turning them to the outside. 2. Move the auxiliary hydraulics lever forward, backward, and back to neutral to relieve pressure at the hydraulic couplers. 4.
4 1 2 3 5 G006054 6 Figure 23 1. Thigh support bracket 2. Adjustment plate 3. Thigh support pad 4. Knob and flat washer 5. Carriage bolt 6.
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. • Torque the wheel lug nuts to 50 ft-lb (68 N⋅m). After the first 50 hours • Change the engine oil and filter. Before each use or daily • • • • • • • • Drain water from the fuel filter. Check the engine oil level. Check the engine coolant level.
Premaintenance Procedures Opening the Access Covers Removing the Front Access Cover 1. Raise the loader arms and install the cylinder locks. Note: In the case that you need to remove the front access cover without raising the loader arms, be very careful not to damage the cover or hydraulic hoses as you maneuver the cover out from under the arms. Figure 25 1. Rear access cover 2. Locking tabs 2. Stop the engine and remove the key. 3. Release the two locking tabs (Figure 24, top, left tab illustrated). 3.
Lubrication Engine Maintenance Greasing the Traction Unit Servicing the Air Cleaner Service Interval: Before each use or daily Primary Filter: Replace after every 200 operating hours or more often in dusty conditions. Grease all pivot joints every 8 operating hours and immediately after every washing. Safety Filter: Replace after every 600 operating hours. Grease Type: General-purpose grease. Note: Service the air cleaner more frequently if operating conditions are extremely dusty or sandy. 1.
8. Inspect the new filter(s) for damage by looking into the filter while shining a bright light on the outside of the filter. Holes in the filter will appear as bright spots. Inspect the element for tears, an oily film, or damage to the rubber seal. If the filter is damaged do not use it. CAUTION Components will be hot if the traction unit has been running. If you touch hot components you may be burned. Allow the traction unit to cool before performing maintenance or touching components under the hood. 9.
12. Install the replacement oil filter to the filter adapter. Turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 1/2 turn (Figure 30). Fuel System Maintenance 13. Remove the oil fill cap and slowly pour approximately 80% of the specified amount of oil in through the valve cover. Changing the Fuel Filter 14. Check the oil level; refer to Checking the Engine Oil Level (page 19). Replace the fuel filter yearly.
• After the engine has ceased running due to lack of fuel. 3. Shut off the fuel valve in the hose near the bottom of the fuel tank (Figure 33). • After maintenance has been performed on the fuel system components. 1 1. Open the rear access cover. 2 2. Place a drain pan under the fuel filter to catch spills. 3. Open the bleed screw on top of the fuel filter to fill the bowl with fuel (Figure 32). G003795 Figure 33 Figure 32 1. Fuel filter 1. Fuel valve, open 2. Fuel valve, closed 2.
Electrical System Maintenance 2 Servicing the Battery 3 Important: The battery you received with your product is a maintenance free battery, and as such you do not need to follow these maintenance procedures. This section details the procedures for maintaining a standard lead acid battery which you may use as a replacement for the original when it wears out. 1 G003794 Figure 35 1. Filler caps 2. Upper line Check the electrolyte level in the battery every 75 hours.
3. Disconnect the positive (red) cable to the positive (+) battery post (Figure 34). 4 4. Lift the battery off of the platform. 2 3 Important: Never fill the battery with distilled water while the battery is installed in the traction unit. Electrolyte could be spilled on other parts and cause corrosion. 1 5. Clean the top of the battery with a paper towel. 6. Remove the filler caps from the battery (Figure 35). G003792 7.
Hydraulic System Maintenance WARNING 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. Replacing the Hydraulic Filter Service Interval: After the first 8 hours • Keep your body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid.
Checking the Hydraulic Lines Storage Service Interval: Every 25 hours 1. Lower the loader arms, stop the engine, and remove the key. Every 1,500 hours 2. Remove dirt and grime from the external parts of the entire traction unit, especially the engine. Clean dirt and chaff from the radiator. After every 25 operating hours, check the hydraulic lines and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather, and chemical deterioration.
Troubleshooting Problem The starter does not crank Possible Cause 1. The electrical connections are corroded or loose. 1. Check the electrical connections for good contact. 2. A fuse is blown or loose. 3. The battery is discharged. 4. The relay or switch is damaged. 2. Correct or replace the fuse. 3. Charge the battery or replace it. 4. Contact your Authorized Service Dealer. 5. Contact your Authorized Service Dealer. 6. Contact your Authorized Service Dealer. 5. A damaged starter or starter solenoid.
Problem Possible Cause 6. The spark arrestor screen is clogged. 7. The fuel pump is damaged. The engine runs, but knocks or misses. 1. Drain and flush the fuel system; add fresh fuel. 2. Engine overheating. 3. There is air in the fuel. 2. Refer to Engine Overheats. 3. Bleed nozzles and check for air leaks at the fuel hose connections and fittings between the fuel tank and engine. 4. Contact your Authorized Service Dealer. 5. Contact your Authorized Service Dealer. 6.
Problem The engine loses power. Possible Cause 1. The engine load is excessive. 1. Reduce ground speed. 2. The crankcase oil level is incorrect. 3. The air cleaner filters are dirty. 4. Dirt, water, stale fuel, or incorrect fuel is in the fuel system. 5. Engine overheating. 6. The spark arrestor screen is clogged. 2. Fill or drain to the full mark. 3. Service the air filters. 4. Drain and flush the fuel system; add fresh fuel. 5. Refer to Engine Overheats. 6. Clean or replace the spark arrestor screen.
Schematics Electrical Schematic (Rev.
Hydraulic Schematic (Rev.
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Toro Compact Utility Equipment 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 Compact Utility Equipment (“Product”) to be free from defects in materials or workmanship.
