Form No. 3415-301 Rev A Commercial Walk-Behind Mower Fixed Deck, T-Bar, Gear Drive with 32in or 36in Cutting Unit Model No. 30672—Serial No. 400000000 and Up Model No. 39674—Serial No. 400000000 and Up G017538 Register at www.Toro.com.
accessory information, help finding a dealer, or to register your product. 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.
Contents Replacing the Mower Belt ................................. 37 Adjusting the Mower Belt Tension ..................... 38 Adjusting the PTO-Engagement Linkage ......................................................... 39 Adjusting the PTO Safety Switch....................... 40 Mower Deck Maintenance.................................... 40 Servicing the Cutting Blades ............................. 40 Adjusting the Blade Brake................................. 43 Replacing the Grass Deflector ..........
Safety refueling. Do not smoke near the machine when the engine is running. – Do not refuel or drain the machine indoors. Note: The addition of attachments made by other • Check that the operator's presence controls, safety manufacturers that do not meet American National Standards Institute certification cause noncompliance of this machine. switches, and shields are attached and functioning properly. Do not operate the machine unless they are functioning properly.
• Keep pets and bystanders away. • Slow down and use caution when making turns • • • • • Let the engine cool before storing, and do not store it near a flame. and crossing roads and sidewalks. Stop the blades if you are not mowing. Be aware of the mower discharge direction and do not point it at anyone. Do not operate the mower while ill, tired, or under the influence of alcohol or drugs. Use care when loading or unloading the machine into or from a trailer or truck.
General Operation over if a wheel goes over the edge of a cliff or ditch, or if an edge caves in. • Be sure that the area is clear of other people • Use extra care with grass catchers or other before mowing. Stop the machine if anyone enters the area. attachments. These can change the stability of the machine. • Do not touch equipment or attachment parts which • Keep all movement on slopes slow and gradual. may be hot from operation.
decal93-7298 decal98-3264 93-7298 98-3264 1. Traction drive—forward 2. Pull to brake. 1. Read the Operator's Manual. decal93-7299 93-7299 1. Traction drive—reverse decal98-3296 98-3296 decal98-4387 98-4387 1. Warning—wear hearing protection. decal93-7442 93-7442 1. Parking brake decal98-5130 98-5130 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). decal106-5517 106-5517 decal95-5537(gear) 95-5537 1.
decal126-1400 126-1400 1. Warning—Read the Operator’s Manual. Use only Toro riding attachments. Use of other riding attachments may create a hazardous condition resulting in injury. decal112-8760 112-8760 1. Thrown object hazard—keep bystanders a safe distance away from the machine. 2. Cutting/dismemberment of hand or foot—stay away from moving parts. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal117-2718 117-2718 decal131-1180 131-1180 1.
decal132-4708 132-4708 1. Attention—do not adjust the shift lever while moving. 2. Stop moving before adjusting the shift lever. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders a safe distance away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection. 8.
decal106-5519 106-5519 1. Severing hazard of hand or foot, mower 3. Warning—read the Operator's Manual. blade—stay away from moving parts. 2. Warning—release the bar and ensure the engine has stopped before walking away from the machine. 5. Thrown object hazard, raised baffle—lower the baffle before using the machine. 4. Thrown object hazard—keep bystanders away from the machine. decal130-8374 130-8374 1. Fast 3. Engine—stop 2. Slow 10 4.
Controls Product Overview Become familiar with all the controls (Figure 4) before you start the engine and operate the machine. 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—released position 2. Blade-control bail 3. Power takeoff lever (PTO) 8. Choke 9. Key switch 4. Gear-shift lever 10. Upper handle 5. Upper control bar 11.
Gear-Shift Lever Specifications The transmission has 5 forward speeds, neutral, reverse, and an in-line shift pattern. Note: Specifications and design are subject to Important: Do not shift gears while the machine 32-inch Mowers change without notice. is moving, as transmission damage may occur. Upper Control Bar Shift to the desired gear and push forward on the upper control bar and blade-control bail to move forward and pull back to brake.
Operation DANGER In certain conditions during fueling, static electricity can be released, causing a spark, which can ignite the fuel vapors. A fire or explosion from fuel can burn you and others and can damage property. Adding Fuel • For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method). • Always place fuel containers on the ground away from your vehicle before filling.
Important: Do not use fuel additives containing methanol or ethanol. 1 2 Add the correct amount of fuel stabilizer/conditioner to the fuel. Note: A fuel stabilizer/conditioner is most G009027 effective when mixed with fresh fuel. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. g009027 Figure 5 1. Wear eye protection. Filling the Fuel Tank 2. Wear hearing protection. Operating the Parking Brake 1. Shut off the engine and engage the parking brake.
Disengaging the Parking Brake 1. Pull the upper control bar rearward. Lower the parking-brake lever to the DISENGAGED position. 2. Gradually release the upper control bar. Starting the Engine 1. Open the fuel valve. 2. Disengage the blade-control (PTO) lever and move the shift lever to the NEUTRAL position. 3. Engage the parking brake. 4. Turn the key to the RUN position (Figure 7). 5. To start a cold engine, move the throttle control midway between the FAST and SLOW positions. g001449 Figure 7 6.
• The-blade-control bail is released with the blade-control lever (PTO) engaged. • The key switch is turned to the OFF position. Testing the Safety-Interlock System Test the safety-interlock system before you use the machine each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. 1. Engage the parking brake, disengage the PTO, and move the throttle forward. 2. Start the engine. 3.
Driving Forward up a Curb 1. Disengage the mower blades. 2. Shift the transmission into first gear to drive the machine. 3. Drive machine until the caster wheels contact the curb (Figure 10). 4. Lift the front of the machine by pushing down on the lower handle (Figure 10). 5. Drive the machine until the drive wheels contact the curb (Figure 10). 6. Lower the front of the machine (Figure 10). Note: Both drive wheels should contact the curb and the caster wheels should be straight. 7.
3. If you are using a trailer, secure the trailer to the towing vehicle and install the safety chains. 4. At the same time, engage the lower control bar and lift up on the lower handle (Figure 9 and Figure 11). Note: Lifting up on the lower handle assists Adjusting the Flow Baffle driving the machine up a curb and does not spin the drive wheels. You can adjust the mower-discharge flow for different types of mowing conditions. Position the baffle to give the best quality of cut. 1.
G012679 g012679 G012677 Figure 15 g012677 Figure 13 Using the Side Discharge Position B The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Use this position when bagging (Figure 14). DANGER Without a grass deflector, discharge cover, or a complete grass-catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death.
Adjusting the Height of Cut This machine has a 26 to 108 mm (1 to 4-1/4 inch) range for the height of cut. Adjust the height of cut by adjusting the blade spacers, rear axle height, and front caster spacers. Use the Height-of-Cut Chart (page 23) to select the combination of adjustments required. Adjusting the Blade Height Adjust the blades by using the 4 spacers on the blade spindle bolts.
Adjusting the Axle Height Adjusting the Caster Position 1. Using the Height-of-Cut Chart (page 23), adjust the caster spacers to match with the axle hole selected (Figure 18). Adjust the axle position to the selected height-of-cut setting. Refer to Height-of-Cut Chart (page 23). 1. 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.
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); refer to Figure 21. 1 4 2 3 g001483 Figure 19 1. Control rod 4. Clevis pin 2. Control-rod fitting 5. Washer 3. Idler bracket 6. Hairpin cotter 5 2. Loosen the upper flange bolts (3/8 x 1 inch) and flange nut (3/8 inch) securing the handle to the rear frame (Figure 20). g018809 g018809 Figure 21 1.
Height-of-Cut Chart Number of spacers below the caster 13 mm 5 mm (1/2 inch) (3/16 inch) A 0 0 A 0 1 A 1 0 B 0 1 B 1 0 B 1 1 B 2 0 C 1 1 C 2 0 C 2 1 C 3 0 D 2 1 D 3 0 Number of 1/4-inch blade spacers below the spindle 4 3 2 1 0 26 mm 32 mm 38 mm 45 mm 51 mm (1 inch) (1-1/4 inch) (1-1/2 inch) (1-3/4 inch) (2 inch) 29 mm 35 mm 41 mm 48 mm 54 mm (1-1/8 inch) (1-3/8 inch) (1-5/8 inch) (1-7/8 inch) (2-1/8 inch) 35 mm 41 mm 48 mm 54 mm 60 m
D 3 1 D 4 0 E 3 1 E 4 0 E 4 1 70 mm 76 mm 82 mm 89 mm 95 mm (2-3/4 inch) (3 inch) (3-1/4 inch) (3-1/2 inch) (3-3/4 inch) 76 mm 82 mm 89 mm 95 mm 102 mm (3 inch) (3-1/4 inch) (3-1/2 inch) (3-3/4 inch) (4 inch) 73 mm 79 mm 86 mm 92 mm 98 mm (2-7/8 inch) (3-1/8 inch) (3-3/8 inch) (3-5/8 inch) (3-7/8 inch) 79 mm 86 mm 92 mm 98 mm 105 mm (3-1/8 inch) (3-3/8 inch) (3-5/8 inch) (3-7/8 inch) (4-1/8 inch) 82 mm 89 mm 95 mm 102 mm 108 mm (3-1/4 inch) (3-1/2
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 • Change the engine oil. • Check the mower belt tension. After the first 25 hours • Check the mower belt tension. Before each use or daily • • • • • • • • Check the safety system. Grease the caster wheels and caster pivot. Check the engine-oil level. Clean the air-intake screen.
Lubrication Greasing the Transmission Couplers Grease Type: #2 lithium or molybdenum grease Lubricate the transmission couplers and idler arm pivots located in the back of the machine (Figure 23). Lubricating the Machine 1. 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. Clean the grease fittings with a rag. Make sure to scrape any paint off the front of the fitting(s). 4.
Engine Maintenance Cleaning the Foam Air-Cleaner Element Servicing the Air Cleaner 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. Service Interval: Every 25 hours—Clean the foam air-cleaner element (more often in dirty or dusty conditions). 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it Every 50 hours—Check the paper air-cleaner element (more often in dirty or dusty conditions). is torn or worn.
Servicing the Engine Oil Oil Type: Detergent oil (API service SF, SG, SH, SJ or SL) Crankcase Capacity: 1.7 L (57 fl oz) with the filter removed; 1.5 L (51 fl oz) without the filter removed Viscosity: Refer to the table (Figure 26). g004216 Figure 26 Checking the Engine-Oil Level Service Interval: Before each use or daily—Check the engine-oil level. 1. Disengage the PTO and engage the parking brake. 2.
Changing the Engine Oil Service Interval: After the first 8 hours—Change the engine oil. A B C D E F G H Every 100 hours—Change the engine oil (more often in dirty or dusty conditions). 1. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely. 2. Disengage the PTO and engage the parking brake. 3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4.
A B C D E F g194610 3/4 Figure 29 g027477 g027477 Figure 30 Changing the Oil Filter Note: Ensure that the oil-filter gasket touches Service Interval: Every 200 hours—Change the oil filter (more often in dirty or dusty conditions). the engine, and then turn the oil filter an extra 3/4 turn. 3. Fill the crankcase with the proper type of new oil; refer to Servicing the Engine Oil (page 28). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 29). 2.
Servicing the Spark Plugs Checking the Spark Plugs Service Interval: Every 100 hours—Check the spark plugs. Important: Do not clean the spark plugs. Always replace the spark plugs when they have: a black coating, worn electrodes, an oily film, or cracks. Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap.
Draining the Fuel Tank Fuel System Maintenance 1. Park the machine on a level surface to ensure that the fuel tank drains completely. 2. Disengage the PTO and engage the parking brake. Servicing the Fuel System 3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 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. 4.
Replacing the Fuel Filter Servicing the Fuel-Vent System Service Interval: Every 200 hours/Yearly (whichever comes first) Service Interval: Every 200 hours/Yearly (whichever comes first) Never install a dirty filter if it is removed from the fuel line. 1. Disengage the PTO and engage the parking brake. Note: Note how the fuel filter is installed in order to install the new filter correctly. 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) Service Interval: Before each use or daily Maintain the air pressure in the rear tires at 83 to 97 kPa (12 to 14 psi). Uneven tire pressure can cause an uneven cut.
Brake Maintenance Servicing the Brakes Before each use, check the brakes on both a level surface and slope. Always engage the parking brake when you shut off the machine or leave it unattended. If the parking brake does not hold securely, adjust it. Checking the Brakes 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. g001472 Figure 38 1. Air-intake screen 2. Fan housing 3.
3. Check the brake before you adjust it; refer to Checking the Brakes (page 35). Belt Maintenance 4. Disengage the parking brake; refer to Disengaging the Parking Brake (page 15). Checking the Belts 5. To adjust the brake, rotate the wing nuts on the brake rods (Figure 39). Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts. Note: Turn the wing nuts clockwise to tighten the brake and counterclockwise to loosen the brake.
Replacing the Mower Belt Replacing the Drive Belt 1. Disengage the PTO and engage the parking brake. Important: The brake needs to be adjusted when the belt tension or the brake linkage is adjusted. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. 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.
Note: If the assist arm does not contact the front stop on the mower deck (Figure 43), adjust the clevis to bring the bell crank closer to the transmission output shaft (Figure 42). 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Loosen the locknut on the turnbuckle (Figure 44). 4. Rotate the turnbuckle toward the rear of the mower to increase the tension on the belt.
Adjusting the PTO-Engagement Linkage The PTO-engagement linkage adjustment is located beneath the front left-hand corner of the engine deck. 1. 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 the PTO lever. 4. Adjust the linkage length so that the lower end of the bellcrank just clears the axle support gusset (Figure 45). g017649 g017649 Figure 46 1. Yoke 2. Nut 3.
Mower Deck Maintenance Adjusting the PTO Safety Switch 1. Disengage the blade-control (PTO) lever and engage the parking brake. Servicing the Cutting Blades 2. Shut off the engine and wait for all moving parts to stop before leaving the operating position. 3. Verify that the assist arm is against the front assist-arm stop. To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand. 4.
Inspecting the Blades Service Interval: Before each use or daily 1 1. Inspect the cutting edges (Figure 47). 2. If the edges are not sharp or have nicks, remove and sharpen the blade; refer to Sharpening the Blades (page 42). G024247 g024247 Figure 50 3. Inspect the blades, especially in the curved area. 4. 1. Measure from the cutting edge to a level surface. If you notice any cracks, wear, or a slot forming in this area, immediately install a new blade (Figure 47). 5.
Removing the Blades Sharpening the Blades 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 52). 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. Note: Maintain the original angle.
Adjusting the Blade Brake 6 2 4 1. Disengage the PTO and engage the parking brake. 7 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3 3. If necessary, adjust the spring mounting bolts so that the blade brake pad rubs against both sides of the pulley groove (Figure 54). 1 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 the spacer (Figure 54).
Storage C. Rotate the engine using the starter of the machine. Note: Rotating the engine distributes the oil inside the cylinder. 1. Disengage the PTO and engage the parking brake. D. Install the spark plug(s). 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Note: Do not connect the spark-plug wires to the spark plugs. 3. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
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 with gasoline. 2. The fuel-shutoff valve is closed. 3. The choke is not in the correct position. 2. Open the fuel-shutoff valve. 3. Close the choke if the engine is cold; open the choke if the engine is warm. 4. Clean or replace the air-cleaner element. 5. Install the wire on spark plug. 4. The air cleaner is dirty. 5.
Problem The machine produces an uneven cutting height. The blades do not rotate. Possible Cause Corrective Action 1. The blade(s) is/are not sharp. 1. Sharpen the blade(s). 2. One/several cutting blade(s) is/are bent. 3. The mower is not level. 2. Install new cutting blade(s). 4. The underside of the mower is dirty. 5. The tire pressure is not correct. 6. A blade spindle is bent. 3. Level the mower from side-to-side and front-to-rear. 4. Clean the underside of the mower. 5.
Schematics g001471 Electrical Schematic (Rev.
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) WPM Product Conditions and Products Covered Items and Conditions Not Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship. There is no other express warranty except for special emission system coverage and engine warranty coverage on some products.
