Form No. 3428-313 Rev A Commercial Walk-Behind Mower Fixed Deck, Pistol Grip, Gear Drive with 32in, 36in, or 48in Cutting Unit Model No. 30632—Serial No. 404325000 and Up Model No. 39634—Serial No. 404325000 and Up Model No. 39638—Serial No. 404325000 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 Belt Maintenance ................................................ 35 Inspecting the Belts .......................................... 35 Adjusting the Wheel Drive Belt Tension ............. 35 Replacing the Traction-Drive Belt...................... 35 Replacing the Drive Belt ................................... 36 Replacing the Mower Belt ................................. 36 Adjusting the Mower Belt Tension ..................... 37 Controls System Maintenance .............................
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.
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). decal106-2733 106-2733 1. Fast 2. Continuous variable setting 3. Slow decal106-5517 decal99-3943 106-5517 99-3943 1. Warning—do not touch the hot surface. 1. Belt routing 2. Engine decal105-4104 105-4104 1. Reverse 3. Transmission speeds 2. Neutral decal112-8760 112-8760 1. Thrown object hazard—keep bystanders away. 2.
decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards and shields in place. decal121-6049 121–6049 1. Thrown object hazard—keep bystanders away. 3. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. decal130-8371 130-8371 1. Parking brake 2. Traction drive 2. Thrown object hazard, mower—do not operate the mower with guards or shields removed. decal126-1400 126-1400 1.
decal130-8373 130-8373 1. Park 5. Engine—Run 9. Thrown object hazard—keep bystanders away. 2. Drive 6. Warning—read the Operator's Manual. 3. Neutral 7. Warning—do not operate this machine unless you are trained. 13. Warning—stay away from moving parts; keep all guards and shields in place. 10. Warning—wear hearing protection. 11. Warning—shut off the engine and remove the key before performing maintenance. 8. Thrown object 12.
decal133-8062 133-8062 8
Control Panel Product Overview g001496 Figure 4 g012616 Figure 3 1. Side-discharge chute 5. Controls 1. Throttle control 2. Key switch 6. Drive lever 7. Gear-shift lever 2. Mower deck 3. Recoil-start handle 4. Fuel tank 6. Handle 7. Caster wheel 3. Neutral/parking-brake lock 8. Choke 4. Operator-presence control (OPC) lever 9. Blade-control lever (power takeoff) 5. Handle Controls Throttle Control Become familiar with all the controls before you start the engine and operate the machine.
Drive Levers Specifications Release the drive levers to engage the forward traction operation. Squeeze the right drive lever to turn right or squeeze the left drive lever to turn left (Figure 4). Note: Specifications and design are subject to change without notice. 32-inch mowers: Neutral/Parking-Brake Lock Squeeze the drive levers and move the locks rearward to the NEUTRAL-LOCK position. Squeeze the drive levers and move the locks forward to engage the parking brake (Figure 4).
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 Brakes and Neutral Locks down slopes.
Engaging the Neutral Locks Shutting Off the Engine 1. Squeeze the drive levers rearward (Figure 5). 1. 2. Place your thumbs on the upper part of the locks and move them rearward into the NEUTRAL-LOCK position (Figure 5). 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. 3. Engage the parking brakes and remove the ignition key. Disengaging the Neutral Locks 1. Squeeze the drive levers rearward.
Using the Safety-Interlock System Operating the Blade-Control Lever (PTO) 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 operator-presence control levers against the handles (Figure 7). 2. Push the blade-control (PTO) lever firmly forward until it latches over the center (Figure 7).
5. 6. Stopping the Machine With the engine running, hold down the OPC levers and engage the the blade-control lever (PTO). CAUTION The mower belt should engage and the mower blades should rotate. Release the OPC levers. 7. The engine should shut off. With the engine running, move the shift lever into gear and release the OPC levers. 8. The engine should shut off. With the engine running, turn the ignition key to the OFF position. 9. The engine should shut off.
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. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position A This is the full rear position.
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 13 1. Axle-pivot bolt 2. Axle-adjustment bolt g001456 Figure 14 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 13). 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 13). Note: Use a tapered punch to help align the holes.
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 • If the engine must be running to perform a maintenance adjustment, keep your hands, feet, clothing, and any parts of the body away from the cutting unit, attachments, and any moving parts. Keep bystanders away. Note: Determine the left and right sides of the machine from the normal operating position. • Keep all parts in good working condition. Replace Maintenance Safety all worn, damaged, or missing parts and decals.
Maintenance Service Interval Maintenance Procedure Every 200 hours • • • • 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). Before storage Replace the paper air-cleaner element. Change the engine-oil filter. Replace the fuel filter. Replace the fuel-vent filter. • Paint any chipped surfaces. • Perform all maintenance procedures listed above before storing the machine.
Engine Maintenance Greasing the Mower Belt Idler Engine Safety Grease the fitting on the mower belt idler arm pivot (Figure 18). • Do not change the governor speed or overspeed the engine. Note: Remove the mower deck cover to access the grease fitting for the mower belt idler arm. • 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 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 21). g012619 Figure 20 1. Cover 3. Paper element 2. Hose clamp 4. Foam element Cleaning the Foam Air-Cleaner Element 1. 2.
g001464 Figure 22 1. Oil dipstick 2. Filler tube 4. Unscrew the oil dipstick and wipe the end clean (Figure 22). 5. Slide the oil dipstick into the filler tube fully, but do not thread it onto the tube (Figure 22). 6. g001466 Figure 23 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. Servicing 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 24). Service Interval: Every 100 hours/Yearly (whichever comes first) Replace the spark plugs if necessary. 5. Fill the crankcase with the proper type of new oil. Type: Champion RCJ8Y (or equivalent) 6.
Checking the Spark Plugs 1. Fuel System Maintenance Look at the center of the spark plugs (Figure 26). Note: If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. 2. 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.
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 27). 8. Check for fuel leaks and repair, if needed. 9. Wipe up any spilled fuel. Servicing the Fuel-Vent System Service Interval: Every 200 hours/Yearly (whichever comes first) g005243 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2.
Electrical System Maintenance 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. Electrical System Safety • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last.
Do not allow the electrolyte to fall below the lower line (Figure 31). g000537 Figure 31 1. Vent caps 3. Lower line 2. Upper line 2. If the electrolyte is low, add the required amount of distilled water; refer to Adding Water to the Battery (page 31). Adding Water to the Battery The best time to add distilled water to the battery is just before you operate the machine. This lets the water mix thoroughly with the electrolyte solution. 1.
Charging the Battery Drive System Maintenance WARNING Charging the battery produces gasses that can explode. Checking the Tire Pressure Never smoke near the battery and keep sparks and flames away from battery. Service Interval: Every 50 hours/Monthly (whichever comes first) Important: Always keep the battery fully charged (1.260 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F). 1.
Cooling System Maintenance Cleaning the Air-Intake Screen 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. Cleaning the Cooling System g001472 Figure 34 1. Air-intake screen 2.
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 g001561 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.
Belt Maintenance Note: The wheel drive tension is lowest when the bolt assembly is in position A. The tension increases in positions B and C (Figure 36). Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or cracks. Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. 7. Install the adjustment bolt and the drive spring. 8.
Replacing the Drive Belt 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. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the knobs and belt cover from the mower. 4. Remove the idler pulley and worn belt.
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. g001478 Every 50 hours—Check the mower belt tension.
g001476 Figure 42 32-inch and 36-inch mower deck shown g001565 1. Mower belt with 13 mm (1/2 inch) deflection Figure 43 48-inch mower deck shown 2. Idler pulley 6. Tighten the locknut on the turnbuckle. 7. Check the adjustment of the blade brake; refer to Adjusting the Blade Brake (page 44). 1. Idler pulley 2. Mower belt with 13 mm (1/2 inch) deflection Adjusting the Tension for 48-inch Mower Decks Important: Adjust the brake whenever you adjust the belt tension or brake linkage.
6. If there is no adjustment remaining 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 provides 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). g001475 Figure 46 g001848 4. Belt guide in the back position 2. Middle hole 5. Front idler pulley 4. Belt guide 2. Traction belt 5. 19 mm (3/4 inch) 3.
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. 11. Install the assist-arm link into the assist arm and secure it with the hairpin cotter (Figure 48). 12. Check if the assist arm hits against the stops correctly. Adjusting the PTO-Safety Switch 1. Park the machine on a level surface, disengage the PTO, and engage the parking brake. 2.
Controls System Maintenance Adjusting the Control Rods 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 the hairpin cotters and clevis pins from the drive levers and neutral locks (Figure 50). g001495 Figure 51 1. Handle 2. Neutral/parking-brake lock 4. Drive lever 5. Forward speed 3. 5 to 6 mm (3/16 to 1/4 inch) clearance 6.
Mower Deck Maintenance 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. g006530 Figure 52 • Inspect the blades periodically for excessive wear or damage. • Use care when checking the blades. Wear gloves and use caution when servicing them. Only replace the blades; never straighten or weld them. 1. Cutting edge 3. Wear/slot forming 2. Curved area 4.
g001563 Figure 55 1. Measure from the cutting edge to a level surface. 3. Rotate the opposite ends of the blades forward. 4. Measure from a level surface to the cutting edge of the blades at the same position as in step 1. Note: The difference between the dimensions obtained in steps 1 and 2 must not exceed 3 mm (1/8 inch). If this dimension exceeds 3 mm (1/8 inch), the blade is bent and must be replaced; refer to Removing the Blades (page 43) and Installing the Blades (page 44).
Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 57). g000553 Figure 58 1. Blade 3. 2. Balancer Repeat this procedure until the blade is balanced. Installing the Blades 1. g001485 Figure 59 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). 1. Spring-mounting bolts 3. 3 mm to 5 mm (1/8 to 3/16 inch) 2.
Cleaning Cleaning under the Mower Service Interval: Before each use or daily Remove the grass buildup under the mower daily. g012749 Figure 60 1. Bolt 5. Spring (installed) 2. Spacer 6. Grass deflector 3. Locknut 7. L-end of the spring—place behind the deck edge before installing the bolt. 4. Spring 8. J-hook end of the spring 4. Place the spacer and spring onto the grass deflector. 5. Place the L-end of spring behind deck edge (Figure 60). 7.
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 g001639 Electrical Schematic (Rev.
Notes:
Notes:
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.
