Form No. 3391-556 Rev B Commercial Walk-Behind Mower Fixed Deck, Pistol Grip, Gear Drive with 32in, 36in or 48in Cutting Unit Model No. Model No. Model No. Model No. Model No. 30632—Serial No. 30634—Serial No. 30638—Serial No. 39634—Serial No. 39638—Serial No. 315000001 and Up 315000001 and Up 315000001 and Up 315000001 and Up 315000001 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 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 Drive Belt ................................... 33 Replacing the Mower Belt ................................. 33 Adjusting the Mower Belt Tension ..................... 35 Controls System Maintenance ............................. 38 Adjusting the Control Rods ............................... 38 Mower Deck Maintenance.................................... 39 Servicing the Cutting Blades ............................. 39 Adjusting the Blade Brake.................................
Safety properly. Do not operate unless they are functioning properly. Note: The addition of attachments made by Operation other manufacturers that do not meet American National Standards Institute certification will cause noncompliance of this machine. • Lightning can cause severe injury or death. If lightning is seen or thunder is heard in the area, do not operate the machine; seek shelter. Improperly using or maintaining the machine can result in injury.
• Use full-width ramps for loading machine into • Be aware of the mower discharge direction and • • • do not point it at anyone. Do not operate the machine 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. Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision.
Service • Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace. • Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition. • Never tamper with safety devices. Check safety systems for proper operation before each use. • Use only genuine replacement parts to ensure that original standards are maintained. • Check brake operation frequently. Adjust and service as required.
Slope Indicator G011841 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. decaloemmarkt Manufacturer's Mark decal98-5130 1. Indicates the blade is identified as a part from the original machine manufacturer. 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). decal93-7010 93-7010 1.
decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal117-2718 decal106-2733 117–2718 106-2733 1. Fast 2. Continuous variable setting 3. Slow decal106-5517 106-5517 decal121-6049 121-6049 1. Warning—do not touch the hot surface. 1. Thrown object hazard—keep bystanders away from the machine. 3. Cutting/dismemberment hazard of hand or foot, mower blade—keep hands away from moving parts. 2.
decal130-8371 decal131-1180 130-8371 1. Parking brake 131-1180 3. Neutral lock 1. Read the Operator's Manual. (A) Short, light grass; dry conditions; maximum dispersion; (B) Bagging setting; (C) Tall, dense grass; wet conditions; maximum ground speed 2. Traction drive decal130-8373 130-8373 1. Parking position 5. Engine—run 9. Thrown object hazard—keep bystanders away from the machine. 2. Drive position 6. Warning—read the Operator's Manual. 10. Warning—wear hearing protection. 3.
Throttle Control Product Overview The throttle control has 2 positions: Fast and Slow. 5 4 Operator-Presence-Control (OPC) Levers 3 6 When you squeeze the OPC levers against the handles, the OPC system senses that the operator is in the normal operating position.
Choke Operation Use the choke to start a cold engine. Adding Fuel Specifications • 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). Note: Specifications and design are subject to change without notice.
Checking the Engine-Oil Level DANGER In certain conditions during fueling, static electricity can cause a spark, which can ignite the fuel vapors. A fire or explosion from fuel can burn you and others and can damage property. • Always place fuel containers on the ground away from your vehicle before filling. • Do not fill fuel containers inside a vehicle or on a truck or trailer bed because interior carpets or plastic truck-bed liners may insulate the container and slow the loss of any static charge.
Releasing the Neutral Locks Operating the Parking Brake and Neutral Locks 1. Squeeze the drive levers back. 2. Place your thumbs on the upper part of the locks and move them forward until they are in the Drive position (Figure 7). Always set the parking brakes when you stop the machine or leave it unattended. WARNING Starting and Stopping the Engine Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended.
3. Set the parking brakes and remove the key. 4. Disconnect the wire from the spark plug to prevent someone from accidentally starting the machine while transporting or storing it. 5. Close the fuel-shutoff valve before transporting or storing the machine. Important: Close the fuel-shutoff valve before transporting or the storing the machine, to prevent fuel leakage. g001756 Figure 9 1. Operator Presence Control (OPC) lever 2. Power take-off lever (PTO) The Safety-Interlock System g001755 Figure 8 1.
Driving Forward or Backward • The machine is shifted into gear without holding the OPC levers. • The blade-control (PTO) lever is engaged without holding the OPC levers. The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Move the throttle control into the Fast position for the best mowing performance. Testing the Safety-Interlock System Driving Forward Test the safety-interlock system before you use the machine each time.
Adjusting the Wheel-Drive-Belt Tension Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary lighting and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets, or bystanders avoid injury. You may need to increase the wheel-drive-belt tension under certain operating conditions, such as mowing over hilly terrain or while pulling a sulky. 1.
Adjusting the Height of Cut 4. Slide the bolt down through the spindle, and change the spacers as needed (Figure 11). This machine has a 26 to 108 mm (1 to 4-1/4 inch) range for the height of cut. This can be achieved by adjusting blade spacers, rear axle height, and front caster spacers. Use the Height-of-Cut Chart (page 22) to select the combination of adjustments required. 5. Install the bolt and curved washer, add extra spacer(s), and secure them with a thin washer and a nut (Figure 11). 6.
Adjusting the Caster Position 1 2 1. Using the Height-of-Cut Chart (page 22), adjust the caster spacers to match with the axle hole selected (Figure 13). g012676 g012676 Figure 14 2. Nut 1. Slot g001456 Figure 13 1. Latch pin Positioning the Flow Baffle 3. Spacer, 13 mm (1/2 inch) 2. Spacer, 5 mm (3/16 inch) The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. 2.
Adjusting the Handle Height Position B Use this position when bagging (Figure 16). You can adjust the handle position to match your height preference. 1. Remove the hairpin cotter pins and clevis pins from the drive levers and neutral locks (Figure 18). G012678 g012678 Figure 16 Position C This is the full open position. The suggested use for this position is as follows (Figure 17): g012931 g012931 • Use in tall, dense grass mowing conditions. Figure 18 • Use in wet conditions.
g001493 Figure 19 1. Upper handle 6. Lower mounting holes 2. Rear frame 7. Low position 3. Flange bolt (3/8 x 1 inch) 8. Middle position 4. Lock nut (3/8 inch) 9. High position 5. Upper mounting hole 5. Adjust the control rod length by rotating the control rod in the rod fitting (Figure 18). 6. Install a hairpin cotter between the drive levers and the neutral locks and into the clevis pins (Figure 18). Note: Make sure that the clevis pins are inserted into the neutral locks. 7.
Height-of-Cut Chart Number of spacers below the caster 13 mm (1/2 inch ) 5 mm (3/16 inch) A 0 A Axle position Number of 1/4 inch blade spacers below the spindle 4 3 2 1 0 0 26 mm (1 inch) 32 mm (1-1/4 inch) 38 mm (1-1/2 inch) 45 mm (1-3/4 inch) 51 mm (2 inch) 0 1 29 mm (1-1/8 inch) 35 mm (1-3/8 inch) 41 mm (1-5/8 inch) 48 mm (1-7/8 inch) 54 mm (2-1/8 inch) A 1 0 35 mm (1-3/8 inch) 41 mm (1-5/8 inch) 48 mm (1-7/8 inch) 54 mm (2-1/8 inch) 60 mm (2-3/8 inch) B 0 1 35 mm (1-3
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 Type: #2 general-purpose lithium-based or molybdenum-based grease Lubricating the Machine 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. g001458 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.
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. 2. Dry the element by squeezing it in a clean cloth. Every 50 hours—Check the paper air-cleaner element. Important: Replace the foam element if it is torn or worn. Every 200 hours—Replace the paper air-cleaner element.
Changing the Engine Oil 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 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. Note: Rotate oil drain valve to allow oil to drain g004216 (Figure 27). Figure 25 6.
Changing the Oil Filter Servicing the Spark Plugs Note: Change the oil filter more frequently when the operating conditions are extremely dusty or sandy. Service Interval: Every 100 hours—Check the spark plugs. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 26). Ensure that the air gap between the center electrode and the side electrode is correct before installing each spark plug.
Fuel System Maintenance Servicing the Fuel System 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. g001470 Figure 30 1. Center electrode; insulator 3. Air gap (not to scale) • Drain gasoline from the fuel tank when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills. 2.
g001467 Figure 31 1. Fuel-shutoff valve 2. Clamp g001468 Figure 32 1. Hose clamp Replacing the Fuel Filter 3. Filter 2. Fuel line Service Interval: Every 200 hours/Yearly (whichever comes first) 5. Remove the filter from the fuel lines. Never install a dirty filter if it is removed from the fuel line. 6. Install a new filter and move the hose clamps close to the filter. Note: Note how the fuel filter is installed in order to 7. Open the fuel-shutoff valve at the fuel tank (Figure 31).
Servicing the Fuel-Vent System Drive System Maintenance Service Interval: Every 200 hours/Yearly (whichever comes first) 1. Disengage the PTO and set the parking brake. Checking the Tire Pressure 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Service Interval: Every 50 hours/Monthly (whichever comes first) 3. Remove the existing fuel-vent filter (Figure 33). Maintain the air pressure in the rear tires at 83 to 97 kPa (12 to 14 psi).
Cooling System Maintenance Cleaning the Air-intake Screen Before each use, 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 will help ensure adequate cooling and correct engine speed and will reduce the possibility of overheating and mechanical damage to the engine. Cleaning the Cooling System g001472 Figure 35 1. Air-intake screen 2.
Brake Maintenance Servicing the Brakes Before each use, check the brakes on both a level surface and a slope. Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold the machine securely, adjust it. Checking the Brakes g001561 Figure 36 1. Park the machine on a level surface, disengage the blade-control (PTO) lever. 1. Brake rod 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 2.
Belt Maintenance 3. Raise the rear of the machine and hold it up with jack stands. Checking the Belts 4. Remove the mower belt (Figure 38). Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts. Check the belts for cracks, frayed edges, burn marks, wear, signs of overheating, or any other damage. Replace any damaged belts. Replacing the Traction Drive Belt 1. Remove the hairpin cotter securing the brake rod to the brake arm to relax the tension on the belt idler (Figure 37).
6. Install the idler pulley. 7. Engage the blade-control (PTO) lever and check the belt tension. Refer to Checking the Belts (page 33). Note: The proper mower belt tension is 44 to 67 N-m (10 to 15 ft-lb) with the belt deflected 13 mm (1/2 inch) halfway between the pulleys (Figure 42 or Figure 43). 8. Engage the blade-control (PTO) lever. 9. Check the clearance between the bell crank and the transmission output shaft (Figure 39). g001478 Figure 40 32-inch and 36-inch mower deck 1.
mower belt as necessary. The disengaged belt should not drag or fall off the pulley when the guides are properly adjusted. Adjusting the Mower Belt Tension Adjusting the Tension for 32-inch and 36-inch Mower Decks Service Interval: After the first 8 hours—Check the mower belt tension. After the first 25 hours—Check the mower belt tension. g001476 Figure 42 32-inch and 36-inch mower deck Every 50 hours—Check the mower belt tension.
6. If there is no adjustment left in the turnbuckle and the belt is still loose, the rear idler pulley needs to be positioned to the middle or front hole (Figure 45). Use the hole that will give the correct adjustment. 7. When you move the idler pulley, you must move the belt guide. Move the belt guide to the front position (Figure 45). g001565 Figure 43 48-inch mower deck 1. Idler pulley r:\g001848 2.
g001475 Figure 46 1. Idler pulley in slot 4. Belt guide 2. Traction belt 5. 19 mm (3/4 inch) 3. Mower belt 6. Mower belt g001847 Figure 47 Adjusting the PTO-Engagement Linkage The adjustment for the PTO-engagement linkage is located beneath the front left-hand corner of the engine deck. 1. Bellcrank 2. Safety switch located under engine deck 4. Yoke 5. Nut 3. Bellcrank just clears the gusset with the PTO engaged 6. Assist arm link 5.
Controls System Maintenance 8. To adjust the assist arm link, remove the hairpin cotter pin from the assist arm (Figure 48). 9. Loosen the nut against the yoke (Figure 47). 10. Remove the assist arm link from the assist arm and rotate the link to adjust the length. Adjusting the Control Rods 11. Install the assist arm link into the assist arm and secure it with the hairpin cotter pin (Figure 48). 1. Remove the hairpin cotter pins and clevis pins from the drive levers and neutral locks (Figure 50). 12.
Mower Deck Maintenance Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. g001495 WARNING Figure 51 A worn or damaged blade can break, and a piece of the blade could be thrown into the operator's or bystander's area, resulting in serious personal injury or death. 1. Handle 4. Drive lever 2. Neutral/ parking brake lock 5. Forward speed 3. 5 to 6 mm (3/16 to 1/4 inch) clearance 6.
Inspecting the Blades 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 (page 41). g001564 Figure 54 2. Measure from a level surface to the cutting edge, position A, of the blades (Figure 55). Note: Note this dimension. g006530 Figure 52 1. Cutting Edge 2. Sail 3. Wear/slot forming in curved area 4. Crack in the curved area 2.
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. g000276 Figure 57 1. Hold the blade bolt with a wrench. 1. Sharpen at original angle 2.
5. Engage the blades. Note: Ensure the blade brake pad no longer contacts the pulley groove. g012749 g012749 Figure 60 g001485 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 Figure 59 1. Spring mounting bolts 3. 3 mm to 5 mm (1/8 to 3/16 inch) 2. Blade-brake pad 2. Place the spacer and the spring onto the grass deflector, and place the L-end of spring behind deck edge.
Storage 12. Install the spark plug(s), but do not install the wire on the spark plug(s). Cleaning and Storage 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or worn. 1. Disengage the power take-off (PTO), set the parking brake, turn the ignition key to the Off position, and remove the key. 14. Paint all scratched or bare metal surfaces with paint available from your Authorized Service Dealer. 2.
Troubleshooting Problem The engine will 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 g001639 Electrical Schematic (Rev.
Notes:
The Toro Total Coverage Warranty Landscape Contractor Equipment (LCE) 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 promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
