Form No. 3376-446 Rev A Commercial Walk-Behind Mower Fixed Deck, Pistol Grip and Gear Drive with 32in, 36in, or 48in Cutting Unit Model No. 30632—Serial No. 313000001 and Up Model No. 30634—Serial No. 313000001 and Up Model No. 30638—Serial No. 313000001 and Up Model No. 39632—Serial No. 313000001 and Up Model No. 39634—Serial No. 313000001 and Up Model No. 39638—Serial No. 313000001 and Up G017536 Register at www.Toro.com.
You may contact Toro directly at www.Toro.com for product and 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 other reproductive harm.
Contents Mower Deck Maintenance...........................................37 Servicing the Cutting Blades.....................................37 Adjusting the Blade Brake........................................39 Replacing the Grass Deflector ..................................40 Storage ........................................................................41 Cleaning and Storage ..............................................41 Troubleshooting ...........................................................
Safety • Only operate in good light, keeping away from holes and Note: The addition of attachments made by other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine. • • Improper use or maintenance by the operator or owner can result in injury.
Toro Mower Safety • Never refuel the machine indoors. • Never store the fuel container where there is an open • • • • • The following list contains safety information specific to Toro products and other safety information you must know. flame, spark, or pilot light such as on a water heater or on other appliances. Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
• Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently. Adjust and service as required.
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 20 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 20 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. 98-0776 1-403005 66-1340 98-3296 For Models with 2 Blade Mower Decks 98-5130 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 75-80 ft-lb (102-106 N⋅m). 95-5537 3. Pull back to disengage 1.
106-2733 99-3943 1. Fast 2. Continuous variable setting 1. Engine 3. Slow 104-8569 105-4104 1. Reverse 110-2067 3. Transmission speeds 2. Neutral 110-2068 1. Read the Operator's Manual.
6-2737 1. Park 3. Neutral 5. Engine—run 2. Drive 4. Engine—stop 6. Warning—wear ear protection.
Throttle Control Product Overview The throttle control has two positions: Fast and Slow. Operator Presence Control (OPC) Levers When you squeeze the OPC levers against the handles, the OPC system senses that the operator is in the normal operating position.
Specifications Operation Note: Specifications and design are subject to change without notice. Adding Fuel 32 inch mowers: • For best results, use only clean, fresh, unleaded gasoline Width with deflector down with an octane rating of 87 or higher ((R+M)/2 rating method). 116.3 cm (45.8 inches) Length 198.1 cm (78 inches) Height 104.1 cm (41 inches) Weight 182 kg (402 lb) • Oxygenated fuel with up to 10% ethanol or 15% MTBE by volume is acceptable.
of varnish deposits in the fuel system, use fuel stabilizer at all times. DANGER In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. • Always place gasoline containers on the ground away from your vehicle before filling.
4. Set the parking brakes. 5. Turn the ignition key to the run position (Figure 8). 6. To start a cold engine, move the throttle control midway between the fast and slow positions. 7. To start a warm engine, move the throttle control to the fast position. 8. Pull the choke knob if the engine is cold (Figure 8). Note: A warm or hot engine usually does not require any choking. 9.
Figure 8 1. Throttle control 2. Ignition switch Figure 9 3. Choke 1. Operator Presence Control (OPC) lever Operating the Blade Control (PTO) Lever 2. Power take off lever (PTO) The Safety Interlock System CAUTION The blade control (PTO) lever engages and disengages the power to the mower blades. If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. Engaging the Mower Blades (PTO) • Do not tamper with the interlock switches. 1.
Testing the Safety Interlock System 4. Release the parking brakes; refer to Releasing the Parking Brakes and Neutral Locks. Test the safety interlock system before you use the machine each time. If the safety system does not operate as described, have an Authorized Service Dealer repair the safety system immediately. 5. Slowly release the drive levers. Note: You must pull the mower backward to assist its rearward movement. 1.
5. Remove the locknut that secures the adjustment bolt to the drive pulley shield (Figure 10). DANGER Without the grass deflector, discharge cover, or 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. 6.
Figure 12 1. Axle pivot bolt 2. Axle adjustment bolt 4. Place a jack under the rear center of the engine frame. Raise the back end of the engine frame up enough to remove the front 2 axle adjustment bolts (Figure 12). 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 12). Note: Use a tapered punch to help align the holes. 6. Tighten all 4 bolts and lower the mower. 7.
3. Install the caster in the support and insert the latch pin (Figure 13). Adjusting the Flow Baffle The mower discharge flow can be adjusted for different types of mowing conditions. Position the cam lock and baffle to give the best quality of cut. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
4. Pivot the handle to the desired operating position and install the lower flange bolts (3/8 x 1 inch) and flange nuts into the mounting holes. Tighten all flange bolts. G012679 Figure 17 Adjusting the Handle Height Figure 19 The handle position can be adjusted to match the operator's height preference. 1. Remove the hairpin cotter pins and clevis pins from the drive levers and neutral locks (Figure 18). 1. Upper handle 6. Lower mounting holes 2. Rear frame 7. Low position 3.
Height of Cut Chart Number of spacers below caster Number of 1/4 inch blade spacers below spindle 13 mm (1/2 inch ) 5 mm (3/16 inch) 4 A 0 0 26 mm (1 inch) A 0 1 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) A 1 0 35 mm 41 mm 48 mm 54 mm 60 mm (1–3/8 inch) (1–5/8 inch) (1–7/8 inch) (2–1/8 inch) (2–3/8 inch) B 0 1 35 mm 41 mm 48 mm 54 mm 60 mm (1–3/8 inch) (1–5/8 inch) (1–7/8 inch) (2–1/8 inch) (2–3/8 inch) B 1 0 41 mm 48 mm 54 mm 60 mm
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 Grease with No. 2 general purpose lithium base or molybdenum base grease. How to Grease 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Figure 21 3. Clean the grease fittings with a rag. Make sure to scrape any paint off the front of the fitting(s). 4. Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings.
Engine Maintenance Cleaning the Foam Air Cleaner Element 1. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. Servicing the Air Cleaner 2. Dry the element by squeezing it in a clean cloth. Important: Replace the foam element if it is torn or worn. Service Interval/Specification Service Interval: Every 25 hours—Clean foam air cleaner element. Servicing the Paper Air Cleaner Element Every 50 hours—Check the paper air cleaner element.
2. Disengage the PTO and set the parking brake. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Slide the drain hose over the oil drain valve. 5. Place a pan below the drain hose. Rotate oil drain valve to allow oil to drain (Figure 27). 6. When oil has drained completely, close the drain valve. 7. Remove the drain hose (Figure 27). Note: Dispose of the used oil at a recycling center. Figure 25 Checking the Engine Oil Level 1.
1 Figure 28 1. Oil filter 2. Adapter Figure 29 1. Spark-plug wire/spark plug 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 28). 4. Clean around the spark plugs to prevent dirt from falling into the engine and potentially causing damage. 4. 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 3/4 turn (Figure 28). 5.
Installing the Spark Plugs Fuel System Maintenance 1. Install the spark plugs and the metal washer. Ensure that the air gap is set correctly. 2. Tighten the spark plugs to 22 N-m (16 ft-lb). Servicing the Fuel System 3. Connect the wires to the spark plugs (Figure 30). DANGER In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. • Drain gasoline from the fuel tank when the engine is cold.
Replacing the Fuel Filter Service Interval: Every 200 hours/Yearly (whichever comes first) Never install a dirty filter if it is removed from the fuel line. Note: Note how the fuel filter is installed in order to install the new filter correctly. Note: Wipe up any spilled fuel. 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Close fuel shut-off valve at the fuel tank (Figure 31). 4.
Drive System Maintenance Cooling System Maintenance Checking the Tire Pressure Cleaning the Air Intake Screen Service Interval: Every 50 hours/Monthly (whichever comes first) Before each use remove any build-up of grass, dirt or other debris from the cylinder and cylinder head cooling fins, air intake screen on flywheel end, and carburetor-governor levers and linkage.
Brake Maintenance neutral/parking brake locks forward, and then set the brakes. 5. Check the operation of the brakes again; refer to Checking the Brakes. Servicing the Brakes Before each use, check brakes on both a level surface and slope. Important: When you release the parking brakes, the rear wheels should rotate freely when you push the mower. If they do not, contact an Authorized Service Dealer immediately. Always set the parking brake when you stop the machine or leave it unattended.
Belt Maintenance Checking the Belts Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts. Check belts for cracks, frayed edges, burn marks, wear, signs of overheating or any other damage. Replace damaged belts. Replacing the Traction Drive Belt Figure 38 1. Remove hairpin cotter securing brake rod to brake arm to relax belt idler tension (Figure 37). 1. Idler pulley in slot 4. Belt guide 2. Traction belt 5. 19 mm (3/4 inch) 2.
8. Engage the blade control (PTO) lever. 9. Check the clearance between the bell crank and the transmission output shaft (Figure 39). Figure 39 1. 2-3 mm (1/16-1/8 inch) 4. Hairpin cotter 2. Bell crank 5. Clevis pin 3. Transmission output shaft 6. Clevis Figure 40 32in and 36in Mower Deck 1. 13 mm (1/2 inch) deflection 4. Locknut here 2. Assist arm 5. Turnbuckle 3. Front stop Note: The clearance should be 2-3 mm (1/16-1/8 inch). 10.
Adjusting the Mower Belt Tension Adjusting the Tension for 32in and 36in Mower Decks Service Interval: After the first 8 hours—Check the mower belt tension. After the first 25 hours—Check the mower belt tension. Every 50 hours—Check the mower belt tension. Important: The brake needs to be adjusted when the belt tension or the brake linkage is adjusted. Important: The belt must be tight enough to not slip during heavy loads while cutting grass.
positioned to the middle or front hole (Figure 45). Use the hole that will give the correct adjustment. 7. When the idler pulley is moved the belt guide must be moved. Move the belt guide to the front position (Figure 45). Figure 43 48in Mower Deck 1. Mower belt with 13 mm (1/2 inch) deflection Figure 45 2. Idler pulley 1. Rear idler pulley 4. Belt guide in back position 2. Middle hole 5. Front idler pulley 3.
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 blade control (PTO) lever and set the parking brakes. 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Engage the blade control lever (PTO). 4. Adjust the linkage length to where the lower end of the bellcrank just clears the axle support gusset (Figure 47). Figure 48 1. Yoke 2. Nut 3.
Controls System Maintenance Adjusting the Control Rods 1. Remove the hairpin cotter pins and clevis pins from the drive levers and neutral locks (Figure 50). Figure 49 1. Bellcrank 3. Switch mounting bracket 2. Bolts and nuts 4. Switch body g012931 Figure 50 1. Control rod 2. Clevis pin 5. Neutral lock 6. Hairpin cotter pin 3. Operator Presence Control lever (OPC) 7. Left handle shown 4. Handle 8. Drive lever 2.
Mower Deck Maintenance 3. Install the control rod to the drive lever and the neutral/parking brake lock. Secure the control rod with a clevis pin and a hairpin cotter (Figure 51). 4. Check the operation of the control rod. If you need to adjust it, remove the hairpin cotter and the clevis pin that secure the control rod to the drive levers. Servicing the Cutting Blades 5. Adjust the control rod length by repeating the previous steps. To ensure a superior quality of cut, keep the blades sharp.
Inspecting the Blades 2. Measure from a level surface to the cutting edge, position A, of the blades (Figure 55). Note this dimension. Service Interval: Before each use or daily 1. Inspect the cutting edges (Figure 52). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades. Figure 55 1. Measure from the cutting edge to a level surface 3. Rotate the opposite ends of the blades forward. 4.
Figure 58 1. Blade 2. Balancer Installing the Blades 1. Install the curved washer and then the blade onto the bolt. Select the proper number of spacer(s) for the height-of- cut, and slide the bolt into the spindle (Figure 56). Important: The curved part of the blade must point upward toward the inside of the mower to ensure proper cutting. 2. Install the remaining spacer(s) and secure them with a thin washer and a nut (Fig. Figure 56). 3. Torque the blade bolt to 101-108 N-m (75-80 ft-lb).
g012749 Figure 60 Figure 59 1. Spring mounting bolts 3. 3 mm - 5 mm (1/8-3/16 inch) 2. Blade brake pad 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deflector 3. Locknut 7. L end of spring, place behind deck edge before installing bolt 4. Spring 8. J hook end of spring Replacing the Grass Deflector 2. Place spacer and spring onto grass deflector. Place the L end of spring behind deck edge.
Storage 12. Store the machine in a clean, dry garage or storage area. Remove the key from the ignition switch and keep it in a memorable place. Cover the machine to protect it and keep it clean. Cleaning and Storage 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
Troubleshooting Problem Engine will not start, starts hard, or fails to keep running. Possible Cause 1. Fuel tank is empty. 1. Fill the fuel tank with gasoline. 2. Fuel shut off valve is closed. 3. Choke is not on. 2. Open the fuel shut off valve. 3. Move the throttle lever to choke position. 4. Clean or replace the air cleaner element. 5. Install the wire on spark plug. 4. Air cleaner is dirty. 5. Spark plug wire is loose or disconnected. 6. Spark plug is pitted, fouled, or the gap is incorrect. 7.
Problem Blades do not rotate. Possible Cause Corrective Action 1. Mower deck belt is worn or loose. 1. Check the belt tension. 2. Mower deck belt is broken. 3. Mower deck belt is off pulley. 2. Install a new deck belt. 3. Inspect the belt and replace if damaged. Check the pulleys and idlers and adjust the belt tension. 4. Replace the spring. 4. Broken or missing idler spring.
Schematics Electrical Schematic (Rev.
Notes: 45
Notes: 46
Notes: 47
The Toro Total Coverage Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered This warranty includes the cost of parts and labor, but you must pay transportation costs. The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
