Form No. 3399-188 Rev A Walk-Behind Rotary Broom Model No. 23740—Serial No. 316000001 and Up Register at www.Toro.com.
WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Figure 1 Replacement engine owner’s manuals may be ordered through the engine manufacturer. 1. Model and serial-number location Model No. Introduction Serial No.
Contents Safety ........................................................................... 4 Training ................................................................. 4 Preparation............................................................. 4 Operation............................................................... 4 Clearing a Clogged Broom........................................ 5 Maintenance and Storage.......................................... 5 Slope Indicator ........................................
Safety – Secure the fuel cap after fueling and wipe up any spilled fuel. • Let the engine and machine adjust to outdoor Read and understand the contents of this manual before the engine is ever started. temperatures before starting to clear snow. This is the safety-alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Operation • Never allow children to operate the machine.
• If the machine should start to vibrate abnormally, shut off the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Never operate the machine without proper guards, plates, or other safety protective devices in place. • Use only attachments and accessories approved by the manufacturer of the machine (such as wheel weights, counterweights, cabs, etc.). Clearing a Clogged Broom WARNING The rotating broom could cause serious injury.
Slope Indicator G011841 Figure 3 1. The maximum slope you can safely operate the machine on is 10°. Use the slope indicator to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 10°. 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 Important: Safety and instruction decals are located near areas of potential danger. Replace damaged decals. 126–0017 1. Engage the left-turn lever to turn left. 4. Engage the PTO lever to activate the PTO. 2. Engage the traction-control lever to activate the traction drive. 5. Engage the right-turn lever to turn right. 3. Engage the broom-angle lever to adjust the broom. 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 116-8140 117–2718 1.
116-7370 1. Warning—Read the Operator’s Manual. Do not operate this machine unless you are trained. Stay away from moving parts; keep all guards in place. 2. Thrown object hazard—Do not operate when people and pets are in the area; pick up objects that could be thrown by broom. 3. Warning—Wear hearing protection. 4. Warning—shut off the engine and disconnect the spark plug before adjusting, servicing, or cleaning machine and attachments.
Product Overview Figure 5 Figure 4 1. Wheel-clutch lever 2. Handle 6. Traction-drive lever 7. Fuel cap 3. Broom-angle lever 8. Broom 4. Broom-drive lever 9. Broom-height-adjustment pin 1. Choke control 4. Engine-recoil handle 2. Fuel-shutoff valve 5. Engine On/Off switch 3. Throttle control Fuel-Shutoff Valve 5.
Wheel-Clutch Levers Speed-Selector Lever The wheel-clutch levers are located below the right and left handles. The speed-selection lever is located on the main console panel (Figure 6). The wheel clutch levers allow the drive to momentarily disengage to 1 or both wheels with the traction-drive lever squeezed. This allows for easier turning and maneuvering the machine (Figure 6). The speed selector has 6 forward and 2 reverse settings.
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. Fueling the Machine Fuel tank capacity: 4.1 L (1.0 US gallon) • For best results, use only clean, fresh (less than 30 days • Always place gasoline containers on the ground and away from your vehicle before filling. old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method).
Opening the Fuel-Shutoff Valve Operating the Engine Move the fuel-shutoff valve located below the choke, to the right to turn on fuel (Figure 9). Positioning the Air-Cleaner Cover for Cold or Warm Air Temperature Important: Running the engine with the air-cleaner cover positioned for cold-weather operation in normal conditions can damage the engine.
3. Place the throttle midway between the SLOW and FAST positions located on rear, right side of the engine (Figure 10). 4. Slowly pull the engine-recoil handle until you feel resistance and then stop (Figure 10). Note: Allow the recoil handle to return and then sharply pull it straight out. Note: Allow the rope to return slowly. Figure 11 5. Allow the engine to warm up for several minutes, then move the choke lever toward the OFF position (Figure 9).
Operating the Broom Note: Similarly, squeezing the left wheel-clutch lever turns the machine to the left. DANGER Note: When you complete the turn, release the wheel-clutch lever. The drive engages both wheels (Figure 14). When the machine is in operation, contact with rotating or moving parts will severely injure hands and feet. • Before adjusting, cleaning, inspecting, troubleshooting, or repairing the machine, shut off the engine and wait for all moving parts to stop.
2. Place the speed selector lever into the desired position and slowly squeeze the left hand traction drive lever. Important: Make sure that the traction drive is engaged before operating the broom; otherwise, the broom may drive the unit in the reverse direction. 3. To engage the broom, slowly squeeze the right broom lever to the handle (Figure 15). Figure 16 1. 51 to 102 mm (2 to 4 inches) maximum width Figure 15 3. Swept area 2. Length of broom • If the engine slows down under a load or the 8.
Using the Alternate Caster Location 6. Raise or lower the caster wheel tube to achieve the sweep area as stated in Checking the Sweeping Path (page 15). When working in snow, mount the casters behind the broom bristles (Figure 18). Note: Select any hole combination that is in alignment to place and latch the retaining pin; match the same position on the other side. 7.
Preventing Freeze-up • In snowy and cold conditions, some controls and moving parts may freeze. Do not use excessive force when trying to operate frozen controls. If you have difficulty operating any control or part, start the engine and let it run for a few minutes. • After using the machine, let the engine run for a few minutes to prevent moving parts from freezing. Engage the broom to clear any remaining snow from inside the housing.
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 2 hours • Check the traction cable. • Check the broom cable. After the first 5 hours • Change the engine oil. Before each use or daily • Check the engine-oil level. • Check the broom-shaft shear pin. • Check for loose hardware.
Preparing for Maintenance 2. Remove the belt cover and the engine shield. 1. Move the machine to a level surface. 3. Move the speed-selector lever to the R2 position. 2. Shut off the engine and allow it to cool. 4. Dip a long, clean, small-tipped paint brush in automotive engine oil and lightly lubricate the hex shaft (Figure 21). 3. Disconnect the spark-plug wire from the spark plug and keep the wire away from the plug, to prevent accidental starting (Figure 19).
Figure 23 1. Alignment-arrow decal (normal ambient air position shown) 9. Secure the air-filter cover to the base with the latches. Figure 22 1. Air-filter base 2. Paper air filter Checking the Engine-Oil Level 4. Cover 5. Latch on the air-cleaner cover (2) Service Interval: Before each use or daily Engine Oil Type: Toro 4-Cycle Premium Engine Oil 3. Foam pre-cleaner Use high-quality detergent oils (including synthetic) of API (American Petroleum Institute) service class SJ or higher.
Changing the Engine Oil Service Interval: After the first 5 hours Every 100 hours (more frequently in severe conditions). Oil capacity: 0.60 L (0.63 qt) Note: Drain the engine oil while the engine is warm. 1. Place a pan under drain fitting and remove the oil-drain cap (Figure 26). Figure 25 1. Filler neck 2. Dipstick 3. Remove the dipstick and wipe off the oil with a clean rag. Figure 26 4.
Checking the Spark Plug Service Interval: Every 100 hours Spark plug type: Champion® RC12YC, Kohler® 12 132 02-S, or Koher 25 132 14-S (RFI compliant) Spark-plug gap: 0.76 mm (0.030 inch) 1. Disconnect the spark-plug wire from the terminal of the spark plug (Figure 19). 2. Clean the area around the base of the spark plug. 3. Remove the spark plug from the cylinder head by rotating the plug counterclockwise. 4. Examine the plug for wear and damage (Figure 27).
Drive System Maintenance 2. Loosen or tighten the turnbuckle to adjust the pin until it is the proper gap from the front edge of the slot (Figure 31). Checking the Tire Pressure 3. Tighten the jam nut (Figure 31). Service Interval: Every 50 hours 1. Shut off the engine, wait for all moving parts to stop, and leave engine switch in the OFF position. 3 2. Check the tire pressure in the drive tires. 3. Inflate the drive tires to 117 to 138 kPa (17 to 20 psi).
4. Support the spline shaft on either side of the gearbox. 5. Stand the broom core assembly on end so that the removable end retainer plate faces upward (Figure 35). Figure 33 1. Nut 2. Shear pin 4. If the shear pin is damaged, remove the pin, replace it, and secure the it with a nut. Figure 35 Replacing Worn or Damaged Broom Segments 1. Hardware 4. Support shaft 2. End-retainer plate 5. Alignment fingers Service Interval: As required. 3. Broom segment 1.
Maintaining the Belts Checking the Condition of the Belts Service Interval: Every 50 hours 1. Remove the knob and washer that secures the engine cover and the belt cover to machine (Figure 38). Figure 36 1. Broom-clutch assembly 3. 3 mm (1/8 inch) 2. Tab Adjusting the Broom Drive If the broom cable is not properly adjusted; refer to Checking the Broom Cable (page 24), and then perform the following steps: Figure 38 1. Knob 2. Washer 3. Engine cover 1. Loosen the jam nut (Figure 37). 4. Plate nut 5.
Note: Ensure that the belt is not twisted. 4. Align the spacer between the engine and the pulley shined and align the holes in the spacer, engine, and shield (Figure 39). 5. Secure the pulley guide to the machine with the bolts and washers (Figure 39) that you removed in step 2 of Removing the Broom-Drive Belt (page 25). Removing the Traction Belt 1. Remove the broom-drive belt; refer to Removing the Broom-Drive Belt (page 25). 2. Remove the hairpin from the traction-control rod (Figure 41). Figure 39 1.
Maintaining the Chassis 6. Slip the traction belt out of the groove of the traction pulley and up between the pulley and the friction wheel (Figure 43). Checking for Loose Hardware Service Interval: Before each use or daily 1. Visually inspect the machine for any loose missing hardware or any other possible problem. 2. Tighten all loose hardware before operating the machine. 3. Replace all missing hardware before operating the machine. Figure 43 1. Traction pulley 3. Friction wheel 2. Belt 7.
Storage 15. Clean the machine thoroughly. 16. Touch up chipped surfaces with paint available from an Authorized Toro Service Dealer. Sand affected areas before painting, and use a rust preventative to prevent the metal parts from rusting. WARNING Gasoline fumes are highly flammable, explosive, and dangerous if inhaled. If you sore the machine in an area with an open flame, the gasoline fumes may ignite and cause an explosion.
Troubleshooting Problem The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The fuel tank is empty. 1. Fill the fuel tank. 2. The fuel-shutoff valve is closed. 3. The throttle and choke are not in the correct position. 2. Open the fuel-shutoff valve. 3. Be sure the throttle control is midway between the SLOW and FAST positions, and the choke is in the ON position for a cold engine or the OFF position for a warm engine. 4. Clean the fuel-valve screen and cup. 5.
Problem Possible Cause Corrective Action The broom wears out prematurely. 1. You are using the incorrect broom height. 1. Adjust the broom height. The speed selector is difficult to move or frozen in place. 1. The hex shaft needs lubrication. 1. Lubricate the hex shaft.
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The Toro Warranty A limited warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Products listed below to be free from defects in materials or workmanship. This warranty covers the cost of parts and labor, but you must pay transportation costs.
