Form No. 3428-323 Rev B Commercial Walk-Behind Mower Fixed Deck, T-Bar, Gear Drive with 32in or 36in Cutting Unit Model No. 30672—Serial No. 404320000 and Up Model No. 39674—Serial No. 404320000 and Up Register at www.Toro.com.
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire.
Contents Servicing the Parking Brake.............................. 34 Belt Maintenance ................................................ 35 Inspecting the Belts .......................................... 35 Replacing the Traction-Drive Belt...................... 35 Replacing the Drive Belt ................................... 36 Replacing the Mower Belt ................................. 36 Adjusting the Mower Belt Tension ..................... 37 Adjusting the PTO-Engagement Linkage .........................
Safety • Keep bystanders and children out of the operating area. Do not allow children to operate the machine. Allow only people who are responsible, trained, familiar with the instructions, and physically capable to operate the machine. This machine has been designed in accordance with ANSI B71.4-2017. • Stop the machine, shut off the engine, remove General Safety the ignition key (if equipped), and wait for all moving parts to stop before servicing, fueling, or unclogging the machine.
decal93-7010 93-7010 1. Thrown object hazard—keep bystanders away. 2. Thrown object hazard, mower—keep the deflector in place. 3. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. decal95-5537(gear) 95-5537 1. Read the Operator's Manual for instructions on operating the cutting blade. 2. Push forward to engage. decal93-7298 93-7298 3. Pull back to disengage. 1. Traction drive—Forward 2. Pull to brake. decal98-3264 98-3264 decal93-7299 93-7299 1.
decal98-5130 decal106-5517 98-5130 106-5517 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 102 to 106 N∙m (75 to 80 ft-lb). 1. Warning—do not touch the hot surface. decal106-5519 106-5519 1. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. 3. Warning—read the Operator's Manual. 2. Warning—shut off the engine before leaving the machine. 4. Thrown object hazard—keep bystanders away. 5.
decal130-8374 130-8374 1. Fast 3. Engine—stop 2. Slow 4. Engine—slow decal131-1180 131-1180 1. Read the Operator's Manual. 2. Short, light grass; dry conditions 3. Bagging setting decal132-4708 132-4708 4. Tall, dense grass; wet conditions 1. Attention—do not adjust the shift lever while moving. 2. Stop moving before adjusting the shift lever.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Control Panel g213356 Figure 3 1. Side discharge 5. Fuel tank 2. Mower deck 3. Spark plug 6. T-bar control 7. Handle 4. Recoil-start handle 8. Front caster wheel g001446 Figure 4 1. Throttle control 7. Parking-brake lever 2. Blade-control bail 3. Blade-control lever (power takeoff) 8. Choke 9. Key switch 4. Gear-shift lever 10. Upper handle 5. Upper control bar 11.
Blade-Control Lever (Power Takeoff) Specifications Use the blade-control lever in conjunction with the blade-control bail to engage and disengage power to the mower blades (Figure 4). change without notice. Note: Specifications and design are subject to 32-inch mowers: Recoil-Start Handle Pull the recoil-start handle to start the engine (Figure 3).
Operation • If you spill fuel, do not attempt to start the engine; Note: Determine the left and right sides of the machine from the normal operating position. • Do not fill containers inside a vehicle or on a truck avoid creating a source of ignition until the fuel vapors have dissipated. or trailer bed with a plastic liner. Always place containers on the ground, away from the vehicle before filling. Before Operation • Remove equipment from the truck or trailer and refuel it on the ground.
Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. • Wet grass or leaves can cause serious injury if you slip and contact the blade. Avoid mowing in wet conditions. • Keep your hands and feet away from the cutting unit. Filling the Fuel Tank • Look behind and down before backing up to be sure of a clear path. 1. Park the machine on a level surface. 2.
• If you lose control of the machine, step away from toward you. Stop the blade(s) when crossing gravel surfaces. the direction of travel of the machine. – Start the engine carefully according to instructions and with your feet well away from the blade(s) and not in front of the discharge chute. • Always keep the machine in gear when going – Use extreme caution when reversing or pulling the machine toward you. Operating the Parking Brake down slopes.
Shutting Off the Engine Starting the Engine 1. Connect the spark-plug wires. 2. Open the fuel valve. 3. Disengage the PTO and shift to the NEUTRAL position. 4. Engage the parking brakes. 5. Turn the ignition key to the RUN position. Important: In an emergency, you can stop the engine immediately by turning the ignition key to the Off position. 1. Move the throttle lever to the SLOW position (Figure 6). 2. Idle the engine for 30 to 60 seconds before turning the ignition key to the OFF position.
Operating the Blade-Control Lever (PTO) Using the Safety-Interlock System The blade-control lever (PTO) engages and disengages power to the mower blades. WARNING If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. Engaging the Mower Blades 1. Squeeze the blade-control bail against the upper control bar (Figure 7). 2. Push the blade-control lever (PTO) firmly forward, until it latches over the center.
Driving the Machine Using the Lower Control Bar The throttle control regulates the engine speed (rpm). Move the throttle control to the FAST position for the best mowing performance. This procedure is for driving up a curb. You can do this while driving forward or backward. WARNING Note: Some curbs do not allow the rear drive tires to contact the curb. If this happens, drive the machine up the curb at an angle. The machine can spin very rapidly.
g001452 Figure 10 1. Lower control bar—engaged g000211 Figure 9 1. Lower control bar—engaged and the machine going reverse 3. Lower control bar—engaged and the machine going forward 2. Handle Stopping the Machine 2. Pull up to assist the machine. CAUTION You or bystanders may be injured if you move or attempt to operate the machine while it is unattended. Driving Backward up a Curb 1. Disengage the mower blades. 2. Select the REVERSE position to drive the machine. 3.
Position B Use this position when bagging. g012676 Figure 11 2. Nut 1. Slot g012678 Figure 13 Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass. Position C This is the full open position. The suggested use for this position is as follows: Note: If the engine power draws down and the mower ground speed is the same, open up the baffle.
Side Discharging or Mulching Grass This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and bystanders are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris can cause serious injury or death.
g001455 Figure 16 1. Axle-pivot bolt 2. Axle-adjustment bolt g001456 Figure 17 4. Place a jack under the rear center of the engine frame. Raise the rear end of the engine frame up enough to remove the front 2 axle-adjustment bolts (Figure 16). 1. Latch pin Note: Use jack stands to support the machine. 5. Raise or lower the engine frame with the jack so that you can install the front 2 axle-adjustment bolts in the desired hole location (Figure 16). Note: Use a tapered punch to help align the holes.
Adjusting the Control Rods 1. With the wheel drive fully engaged, check the gap between the upper control bar and the fixed bar. The gap needs to be approximately 25 to 32 mm (1 to 1-1/4 inches) as shown in Figure 18. Note: The upper control bar and the fixed bar must be parallel in the engaged, relaxed, and brake positions. g018809 Figure 18 1. 25 to 32 mm (1 to 1-1/4 inches) gap 4. Upper control bar 2. Fixed control bar 3. Parking-brake lever 5. Control rod 2. Check the operation.
Height-of-Cut Chart Number of spacers below the caster Number of 1/4-inch blade spacers below the spindle Axle position 13 mm (1/2 inch) 5 mm (3/16 inch) 4 3 2 1 0 A 0 0 26 mm (1 inch) 32 mm (1-1/4 inches) 38 mm (1-1/2 inches) 45 mm (1-3/4 inches) 51 mm (2 inches) A 0 1 29 mm (1-1/8 inches) 35 mm (1-3/8 inches) 41 mm (1-5/8 inches) 48 mm (1-7/8 inches) 54 mm (2-1/8 inches) A 1 0 35 mm (1-3/8 inches) 41 mm (1-5/8 inches) 48 mm (1-7/8 inches) 54 mm (2-1/8 inches) 60 mm (2-3/8
After Operation After Operation Safety General Safety • Always shut off the machine, remove the ignition key (if equipped), wait for all moving parts to stop, and allow the machine to cool before adjusting, servicing, cleaning, or storing it. • Clean grass and debris from the machine to help prevent fires. Clean up oil or fuel spills. • Never store the machine or fuel container where there is an open flame, spark, or pilot light, such as on a water heater or on other appliances.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety cutting unit, attachments, and any moving parts. Keep bystanders away. • Before adjusting, cleaning, servicing, or leaving • Keep all parts in good working condition. Replace the machine, do the following: all worn, damaged, or missing parts and decals. Keep all fasteners tight to ensure that the machine is in safe working condition. – Park the machine on a level surface.
Maintenance Service Interval Maintenance Procedure Every 200 hours • • • • Replace the paper air-cleaner element. Change the engine-oil filter. Replace the fuel filter. Replace the fuel-vent filter. Every 250 hours • Grease the transmission couplers (more often in dirty or dusty conditions). Every 400 hours • Grease the wheel bearings (more often in dirty or dusty conditions). Important: Refer to your engine owner's manual for additional maintenance procedures.
Engine Maintenance Greasing the Transmission Couplers Engine Safety Lubricate the transmission couplers and idler-arm pivots located at the rear of the machine (Figure 21). • Do not change the governor speed or overspeed the engine. • Run the engine dry or remove the fuel with a hand pump; never siphon the fuel. If you must drain the fuel tank, do it outdoors. Servicing the Air Cleaner Service Interval: Every 25 hours—Clean the foam air-cleaner element.
Servicing the Engine Oil Note: Change the oil more frequently when the operating conditions are extremely dusty or sandy. Engine-Oil Specifications Engine-Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: 1.7 L (58 oz) with the filter removed; 1.5 L (51 oz) without the filter removed Viscosity: Refer to the table (Figure 24). g012619 Figure 23 1. Cover 3. Paper element 2. Hose clamp 4. Foam element Cleaning the Foam Air-Cleaner Element 1. 2.
g001464 Figure 25 1. Oil dipstick 2. Filler tube 4. Unscrew the oil dipstick and wipe the end clean (Figure 25). 5. Slide the oil dipstick into the filler tube fully, but do not thread it onto the tube (Figure 25). 6. g001466 Figure 26 Pull the dipstick out and look at the end. If the oil level is low, slowly pour enough oil into the filler tube to raise the level to the Full mark. 1. Oil-drain valve Important: Do not overfill the crankcase 10.
4. Checking the Spark Plugs Install the replacement oil filter to the filter adapter, turn the oil filter clockwise until the rubber gasket contacts the filter adapter, and tighten the filter an additional 3/4 turn (Figure 27). 5. Fill the crankcase with the proper type of new oil. 6. Run the engine for approximately 3 minutes, shut off the engine, and check for oil leaks around the oil filter and drain valve. 7. Check the engine-oil level and add oil, if needed. 8. Wipe up any spilled oil.
Fuel System Maintenance DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Refer to Adding Fuel (page 10) for a complete list of fuel related precautions. g005243 Figure 31 Servicing the Fuel System 1. Fuel filter 2. Clamp 3. Fuel-shutoff valve Draining the Fuel Tank 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2.
6. Install a new filter and move the hose clamps close to the filter. 7. Open the fuel-shutoff valve at the fuel tank (Figure 31). 8. Check for fuel leaks and repair, if needed. 9. Wipe up any spilled fuel. Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last.
WARNING Battery terminals or metal tools could short against metal machine components, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. • Do not allow metal tools to short between the battery terminals and metal parts of the machine. 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2.
Charging the Battery WARNING Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from battery. g000537 Figure 35 1. Vent caps Important: Always keep the battery fully charged 3. Lower line (1.260 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F). 1. Remove the battery from the machine; refer to Removing the Battery (page 30). 2.
Drive System Maintenance Cooling System Maintenance Checking the Tire Pressure Cleaning the Air-Intake Screen Service Interval: Every 50 hours/Monthly (whichever comes first) Remove any buildup of grass, dirt, or other debris from the cylinder and cylinder head cooling fins, the air-intake screen on the flywheel end, and the carburetor-governor levers and linkage. This helps ensure adequate cooling and correct engine speed to reduce the possibility of overheating or mechanical damage to the engine.
Brake Maintenance Servicing the Parking Brake Check the brakes on both a level surface and a slope. Always engage the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, adjust it. Checking the Parking Brake Service Interval: Before each use or daily 1. Park the machine on a level surface and disengage the PTO. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
3. Check the brake before you adjust it; refer to Checking the Parking Brake (page 34). 4. Disengage the parking brake. 5. To adjust the brake, rotate the wing nuts on the brake rods (Figure 39). Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or cracks. Turn the wing nuts clockwise to tighten the brake and counterclockwise to loosen the brake. Replace the belt if it is worn.
8. 9. Install the mower belt (Figure 41). Check the belt guide under the engine frame for the proper adjustment (Figure 41). Note: The distance between the belt guide and mower belt should be 19 mm (3/4 inch) when you engage the mower belt. Adjust the belt, if necessary. The disengaged belt should not drag or fall off the pulley when the guides are properly adjusted. Replacing the Mower Belt g001474 Important: The brake needs to be adjusted when Figure 40 1. Hairpin cotter 3. Shield 2. Brake rod 4.
10. Important: The belt must be tight enough to Remove the hairpin cotter and clevis pin from the bell crank (Figure 42). 11. Rotate the clevis clockwise on the rod to increase the clearance; rotate it counterclockwise to decrease it (Figure 42). 12. Disengage the PTO. not slip during heavy loads while cutting grass. Overtensioning the belt reduces the life of the spindle bearing, the belt, and the idler pulley. 1. Disengage the PTO and engage the parking brake.
Adjusting the PTO-Engagement Linkage The adjustment for the PTO-engagement linkage is located beneath the front, left corner of the engine deck. 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Engage PTO. 4. Adjust the linkage length to where the lower end of the bellcrank just clears the axle-support gusset (Figure 45).
Mower Deck Maintenance Adjusting the PTO-Safety Switch 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. 4. 5. Blade Safety A worn or damaged blade can break and a piece could be thrown toward you or bystanders, resulting in serious personal injury or death. Ensure that the assist arm is against the front assist-arm stop.
Removing the Blades Replace the blades if you hit a solid object or if the blades are out of balance or bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. 1. Hold the blade bolt with a wrench. 2. Remove the nut, blade bolt, curved washer, blade, spacers, and thin washer from the spindle (Figure 51). g006530 Figure 48 1.
Adjusting the Blade Brake g000552 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and disconnect the spark-plug wires from the spark plugs. 3. If necessary, adjust the spring-mounting bolts so that the blade-brake pad rubs against both sides of the pulley groove (Figure 54). 4. Adjust the nut at the end of the blade brake rod until there is 3 mm to 5 mm (1/8 to 3/16 inch) between the nut and spacer (Figure 54). 5.
Replacing the Grass Deflector 7. Important: The grass deflector must be able to rotate. Lift the deflector up to the fully-open position and ensure that it rotates into the fully-down position. WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Never operate the machine without the grass deflector, the discharge cover, or the grass-collection system in place. 1.
Cleaning Cleaning under the Mower Service Interval: Before each use or daily Remove the grass buildup under the mower daily. 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and disconnect the spark-plug wires from the spark plugs. 3. Raise the front of the machine using a jack and use jack stands to support the machine. 4. Clean the machine with a rag. Do not spray the machine.
Storage Cleaning and Storing the Machine 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system. Check the parking brake operation; refer to Checking the Parking Brake (page 34). 5.
Troubleshooting Problem Possible Cause The fuel tank is showing signs of collapsing or the machine is frequently showing signs of running out of fuel. 1. The air-cleaner paper element clogged. The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 3. The cooling fins and air passages under the engine-blower housing are plugged. 4. The air cleaner is dirty. 2. Add oil to the crankcase. 3.
Problem The machine does not drive. The machine vibrates abnormally. The cutting height is uneven. The blades do not rotate. Possible Cause Corrective Action 1. The shift lever is in the NEUTRAL position. 1. Move the shift lever to a drive gear position. 2. The traction belts are worn, loose, or broken. 3. The traction belt is off a pulley. 4. The idler spring is broken or missing. 2. Contact an Authorized Service Dealer. 1. The cutting blade(s) is/are bent or unbalanced. 1.
Schematics g001471 Electrical Schematic (Rev.
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
