Form No. 3373-479 Rev B 30in Stand-On Aerator Model No. 23518—Serial No. 312000001 and Up Model No. 33518—Serial No. 312000001 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. This spark ignition system complies with Canadian ICES-002. Figure 1 Important: This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land.
Contents Wheel Hub Nut and Transmission Output Shaft Torque Specification ...........................................28 Jackshaft Drive Chain Tension Adjustment ................28 Drive Wheel Chain Tension Adjustment ....................29 Caster Pivot Bearings Pre-Load Adjustment ...............29 Brake Maintenance ....................................................29 Adjusting the Parking Brake .....................................29 Adjusting the Brake Switch ......................................
Safety CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means Caution, Warning, or Danger—personal safety instruction. Failure to comply with the instruction may result in personal injury or death.
Operation DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite gasoline vapors. A fire or explosion from gasoline can burn you and others and cause property damage. WARNING Operating engine parts, especially the muffler, become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, brush, etc. can catch fire. – Always place gasoline containers on the ground away from your vehicle before filling.
• Remove or mark obstacles such as rocks, tree limbs, etc. WARNING from the working area. Tall grass can hide obstacles. Hands, feet, hair, clothing, or accessories can become entangled in rotating parts. Contact with the rotating parts can cause traumatic amputation or severe lacerations. – Do Not operate the machine without guards, shields, and safety devices in place and working properly. – Keep hands, feet, hair, jewelry, or clothing away from rotating parts.
DANGER WARNING Charging or jump starting the battery may produce explosive gases. Battery gases can explode causing serious injury. – Keep sparks, flames, or cigarettes away from battery. – Ventilate when charging or using battery in an enclosed space. – Make sure venting path of battery is always open once battery is filled with acid. – Always shield eyes and face from battery. Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3. Example of how to compare slope with folded edge.
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. 93–6686 1. Hydraulic oil 2. Read the Operator's Manual. 116-6462 120-9570 1. Warning—stay away from moving parts, keep all guards and shields in place. 115-2047 1. Warning—do not touch the hot surface. 121–6160 2. Read the engine owner’s 1.
121–6162 1. Cutting/dismemberment hazard of hand or foot, mower blade—lower the tines to the ground; read the Operator’s Manual for disassembly procedure. 121–6163 1. Press to lower the tines. 2. Release to raise the tines. 121–6164 1. Fast 2. Slow 6. Wheels and tines rotate when moving 11. Warning—keep bystanders a safe backward distance from the machine. 12. Warning—do not operate the machine 7. Continuous variable setting unless you are trained. 3. Neutral 8. Choke—on 13.
121–6166 1. Tipping hazard—do not turn sharply while travelling fast; slow down and turn gradually. 2. Tipping hazard—do not operate the machine on slopes greater than 15 degrees; do not operate the machine near drop-offs. 11 3. Warning; tipping hazard—do not use split ramps; use full width ramps to load a unit for transport; use a loading ramp at a maximum of 15 degrees.
Setup Media and Additional Parts Description Use Qty. Manual, Operator's 1 Read before operating the machine. Key 2 Start the machine. DANGER 1 Charging or jump starting the battery may produce explosive gases. Battery gases can explode causing serious injury. Checking Tire Pressure • Keep sparks, flames, or cigarettes away from battery. No Parts Required • Ventilate when charging or using battery in an enclosed space. Procedure 1. Check the tire pressure in the drive tires.
3. Replace hydraulic reservoir cap and tighten until snug. Do not overtighten. CAUTION If the ignition is in the “ON” position there is potential for sparks and engagement of components. Sparks could cause an explosion or moving parts could accidentally engage causing personal injury. 5 Servicing the Auxiliary Hydraulic Oil Be sure ignition switch is in the “OFF” position before charging the battery. 2. Connect the negative battery cable.
temperature of the oil. For example: If the oil is about 150° F (65°C). Fill to halfway between the “HOT” and “COLD” levels. If the oil is at room temperature (about 75° F (24°C)), fill only to the “COLD” level. 6 Removing Cylinder Stop (for model 33518) No Parts Required Figure 5 Procedure Note: The tines must be in the raised position before removing the cylinder stop. Running the engine will charge the hydraulic system and raise the tines. 1. Hairpin 3. Cylinder stop 2. Clevis pin 4. Cylinder 10.
Product Overview Figure 7 1. 2. 3. 4. LH Motion control lever RH Motion control lever Front reference bar Front of unit 5. Forward 6. Neutral 7. Reverse Choke Control Located on the control console (black lever) (see Figure 8). Figure 6 1. Platform 4. Engine controls 2. Parking brake knob 5. Fuel cap The choke is used to aid in starting a cold engine.
Throttle Control Fuel Shut-Off Valve Located on the control console (red lever) (see Figure 8). Located under the fuel tank. The throttle is used to control engine speed. Moving the throttle lever forward will increase engine speed and moving the throttle lever to the rear will decrease engine speed. Moving the throttle forward into the detent is full throttle.
Operation DANGER When fueling, under certain circumstances, a static charge can develop, igniting the gasoline. A fire or explosion from gasoline can burn you and others and damage property. Note: Determine the left and right sides of the machine from the normal operating position. Checking the Engine Oil Level • Always place gasoline containers on the ground and away from your vehicle before filling.
Check Safety Interlock System 3. On a cold engine, push the choke lever forward into the “ON” position. On a warm engine, leave the choke in the “OFF” position. Service Interval: Before each use or daily 4. Turn ignition switch to the “START” position. Release the switch as soon as the engine starts. CAUTION If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches.
Driving the Machine 3. Place the throttle in the midway between the “SLOW” and “FAST” positions. CAUTION 4. Allow the engine to run for a minimum of 15 seconds, then turn the ignition switch to the “OFF” position to stop the engine. Machine can spin very rapidly by positioning one lever too much ahead of the other. Operator may lose control of the machine, which may cause damage to the machine or injury. 5. Engage the parking brake. 6.
Figure 12 To turn left or right, release pressure on the motion control lever toward the desired turn direction. Figure 11 To make zero turns, lift your foot off of the tine ground engagement foot switch to raise the tines. The head will raise in half second. To turn left or right, pull the motion control lever back toward neutral in the desired turn direction. The tines can be in the down position when making gradual turns. Important: Do Not make a zero turn when the tines are in the down position. 3.
WARNING Loading a unit on a trailer or truck increases the possibility of backward tip-over. Backward tip-over could cause serious injury or death. • Use extreme caution when operating a unit on a ramp. • Use only a single, full width ramp; Do Not use individual ramps for each side of the unit. • If individual ramps must be used, use enough ramps to create an unbroken ramp surface wider than the unit. • Do Not exceed a 15° angle between ramp and ground or between ramp and trailer or truck.
Maintenance WARNING The engine can become very hot. Touching a hot engine can cause severe burns. WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders. Allow the engine to cool completely before service or making repairs around the engine area.
Maintenance Service Interval Every 500 hours Monthly Yearly Yearly or before storage Maintenance Procedure • Replace the secondary air cleaner element. (May need more often under severe conditions. See the Engine manual for additional information.) • Check the wheel hub and transmission output shaft nut torque specification. • Check the wheel lug nuts. • Change the auxiliary hydraulic reservoir filter and fluid. • Change the hydraulic transmission filter and fluid. • Check the battery charge.
Lubricate Grease Fittings Lubricate Caster Wheel Hubs Note: See chart for service intervals. Service Interval: Yearly 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Lubricate fittings with NGLI grade #2 multi-purpose gun grease. Refer to the following chart for fitting locations and lubrication schedule.
14. Engine Maintenance Reinstall the seal guards over the wheel hub and insert wheel into caster fork. Reinstall caster bolt and tighten nut fully. Service Air Cleaner Important: To prevent seal and bearing damage, check the bearing adjustment often. Spin the caster tire. The tire should not spin freely (more than 1 or 2 revolutions) or have any side play. If the wheel spins freely, adjust torque on spacer nut until there is a slight amount of drag. Reapply thread locking adhesive.
Check Spark Plugs Fuel System Maintenance Service Interval: Every 160 hours Remove spark plugs, check condition and reset gaps, or replace with new plugs. See Engine Owner's Manual. Change Fuel Filter Check Spark Arrester (if equipped) A fuel filter is installed in the fuel line between the fuel tank and the engine. Replace when necessary.
Recommended Jump Starting Procedure Electrical System Maintenance 1. Check the weak battery for terminal corrosion (white, green, or blue “snow”), it must be cleaned off prior to jump starting. Clean and tighten connections as necessary. Check Battery Charge Service Interval: Monthly CAUTION WARNING Corrosion or loose connections can cause unwanted electrical voltage spikes at anytime during the jump starting procedure.
Note: Be sure the vent caps are tight and level. Place a damp cloth, if available, over any vent caps on both batteries. Be sure the vehicles do not touch and that both electrical systems are off and at the same rated system voltage. These instructions are for negative ground systems only. Drive System Maintenance 3. Connect the positive (+) cable to the positive (+) terminal of the discharged battery that is wired to the starter or solenoid as shown in Figure 14.
Brake Maintenance 3. Check the chains on both sides of the unit for proper tension. The chains should be able to move up and down 1/2-3/4 inch (12-19 mm). Adjusting the Parking Brake 4. Loosen the hydro mounting bolts and slide to adjust the tension. If the parking brake does not hold securely, an adjustment is required. 5. Tighten hydro mounting bolts. 1. Park the machine on a level surface. 6. Adjust motion controls as stated in the Motion Control Linkage Adjustment section. 2.
Belt Maintenance 4. Engage the parking brake. 5. Check the distance from the parking brake switch bracket to the hydro brake arm. The distance should be 1/8 inch (3.2 mm). See Figure 17. Check Condition and Tension of Belts Service Interval: Every 50 hours 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Lift the front of the unit and support using jack stands or equivalent support. 3.
Controls System Maintenance Motion Control Linkage Adjustment 1. Park the machine on a level surface. 2. Shut off engine and wait for all moving parts to stop. 3. Push the control levers all the way forward to the front reference bar. 4. Remove the clevis pin on the turnbuckle of the motion control linkage. Rotate the turnbuckle counterclockwise (as viewed from the top of the machine) until there is a gap between the control lever and the front reference bar. Figure 18 1. Measure spring length 3.
Hydraulic System Maintenance Important: Apply a thin coat of oil on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts the filter adapter, then tighten the filter an additional 2/3 to 3/4 turn. Check Auxiliary Hydraulic Oil Level 5. Reinstall the hose and torque to 37 ft-lb (50 N-m). 6. Add AW-32 hydro oil until the level reaches the “cold fill line” located on the reservoir tank. Start engine and raise and lower the tines.
Tine Maintenance 6. Raise the rear of machine up and support with jack stands (or equivalent support) just high enough to allow drive wheels to turn freely. Check Tines CAUTION Service Interval: Before each use or daily Raising the unit for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury. 1.
Cleaning Waste Disposal Clean Engine and Exhaust System Area Motor Oil Disposal Engine oil and hydraulic oil are both pollutants to the environment. Dispose of used oil at a certified recycling center or according to your state and local regulations. Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.
Storage 1. Raise the tines, stop the machine, stop the engine, set the parking brake, and remove the key. 2. Remove dirt and grime from the entire machine. Important: You can wash the machine with mild detergent and water. Do not pressure wash the machine. Avoid excessive use of water, especially near the engine and hydrostatic drive. 3. Service the air cleaner. 4. Lubricate the machine. 5. Change the engine oil. 6. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged.
Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to use. When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes of trouble. Do Not attempt to service or replace major items or any items that call for special timing of adjustments procedures (such as valves, governor, etc.).
Problem Engine overheats. Machine pulls left or right (with levers fully forward). Machine does not drive. Abnormal vibration. Tines do not raise. Tines do not engage the ground. Possible Cause Corrective Action 1. Engine load is excessive. 1. Reduce the ground speed or aeration depth. 2. Oil level in the crankcase is low. 3. Cooling fins and air passages for the engine are plugged. 2. Add oil to the crankcase. 3. Remove the obstructions from the cooling fins and air passages. 1.
Schematics Electrical Diagram (Rev.
Electrical Schematic (Rev.
Hydraulic Diagram (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.
