Form No. 3379-930 Rev A Commercial Walk-Behind Mower Fixed Deck, Pistol Grip, Hydro Drive with 36in or 48in TURBO FORCE® Cutting Unit Model No. 30934—Serial No. 314000001 and Up Model No. 30938—Serial No. 314000001 and Up Model No. 39934—Serial No. 314000001 and Up Model No. 39938—Serial No. 314000001 and Up G017540 Register at www.Toro.com.
Introduction WARNING This rotary-blade, lawn mower is intended to be used by residential homeowners or professional, hired operators. It is designed primarily for cutting grass on well-maintained lawns on residential or commercial properties. It is not designed for cutting brush or for agricultural uses. 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.
Contents This manual identifies potential hazards and has safety messages identified by the safety alert symbol (Figure 2), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions. Introduction .................................................................. 2 Safety ........................................................................... 4 Safe Operating Practices........................................... 4 Toro Mower Safety ...................
Safety Cooling System Maintenance ......................................35 Cleaning the Air-intake Screen..................................35 Cleaning the Cooling System....................................35 Brake Maintenance ....................................................36 Servicing the Brake .................................................36 Belt Maintenance ......................................................37 Checking the Belts..................................................
Operation Safe Handling of Fuels • Lightning can cause severe injury or death. If lightning • To avoid personal injury or property damage, use is seen or thunder is heard in the area, do not operate the machine; seek shelter. extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. • Never run an engine in an enclosed area. • Only operate in good light, keeping away from holes and • Extinguish all cigarettes, cigars, pipes, and other sources of ignition.
• Use care when checking the blades. Wrap the blade(s) or • Remove obstacles such as rocks, tree limbs, etc. from the wear gloves, and use caution when servicing them. Only replace blades. Never straighten or weld them. mowing area. • Watch for holes, ruts or bumps. Tall grass can hide • Keep hands and feet away from moving parts. If possible, obstacles. do not make adjustments with the engine running. • Use caution near drop-offs, ditches, or embankments.
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.
103–2076 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance 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. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 5. Read the Operator's Manual. 104-8569 105-4109 10.
6-2743 Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 110-2068 1. Read the Operator's Manual. 110-2067 115-4212 1. Hydraulic oil level 3. Warning—do not touch the hot surface. 2. Read the Operator's Manual. 106-2738 1. Park 4. Engine—stop 7. Fast 2. Drive 5. Engine—run 8. Continuous variable setting 3. Neutral 6. Warning—wear ear protection. 9. Slow 10 10.
Product Overview G017541 Figure 4 1. Side discharge 5. Controls 2. Mower deck 3. Recoil-start handle 4. Gas tank 6. Handle 7. Caster wheel Figure 5 Controls 1. Throttle control 2. Speed-control lever 6. Handle 7. Drive lever 3. Ignition switch 8. Blade-control knob (PTO) 4. Neutral lock 5. Operator Presence Control levers (OPC) Become familiar with all the controls (Figure 5) before you start the engine and operate the machine. 9. Choke 10.
Fuel-shutoff Valve Operation Close the fuel-shutoff valve when transporting or storing the machine. Adding Fuel • For best results, use only clean, fresh (less than 30 days Choke old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method). Use the choke to start a cold engine. • Ethanol: Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable. Ethanol and MTBE are not the same.
Using Fuel Stabilizer/Conditioner DANGER Use a fuel stabilizer/conditioner in the machine to keep the fuel fresh during storage of 90 days or less. If you are storing the machine for longer, drain the fuel tank; refer to Storage (page 47). 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.
Operating the Parking Brake Always set the parking brake when you stop the machine or leave it unattended. Before each use, check the parking brake for proper operation. If the parking brake does not hold securely, adjust it. Refer to Servicing the Parking Brake. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes.
Releasing the Neutral Lock 1. Squeeze the drive levers back until an increase in force is felt. 2. Place your thumbs on the upper part of the locks and move them forward until the pins are in the forward slot (Figure 11). Figure 9 1. Throttle lever 2. Ignition switch 3. Choke Important: Make sure that the fuel-shutoff valve is closed before transporting or storing the machine, as fuel leakage may occur.
Operating the Mower-blade-control Knob (PTO) The Safety Interlock System CAUTION If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. The blade-control knob (PTO) is used in conjunction with the Operator Presence Control (OPC) levers to engage and disengage the mower blades.
4. Push the blade-control knob down to off. Driving Backward 5. With engine running, hold down the OPC levers. Pull the blade-control knob (PTO) up. The drive belt should engage and the mower blades should begin rotating. From neutral, slowly squeeze the drive levers to move rearward (Figure 13). Bringing the Machine to Neutral Position 6. With engine running, release the OPC levers. The engine should stop. Always set the neutral lock and parking brake when you stop the machine. 7.
Positioning the Flow Baffle Note: Rotate the bypass valves a maximum of 2 turns so the valve does not come out of the body causing fluid to run out. The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. Important: Do not start or operate the machine with the bypass valves open. Damage to system may occur. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle.
Position C Side Discharging or Mulching the Grass This is the full open position. The suggested use for this position is as follows (Figure 18). This mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. • Use in tall, dense grass mowing conditions. • Use in wet conditions. DANGER • Lowers the engine power consumption.
Figure 20 1. Top axle bolt 2. Lower axle bolt 7. Raise or lower the mounting bracket so that you can install the 2 axle adjustment bolts in the desired hole location (Figure 20). Note: Use a tapered punch to help align the holes. 8. Tighten all 4 bolts. 9. Install the drive wheels and lower the machine. Figure 19 1. Blade 4. Spacer 2. Blade bolt 3. Curved washer 5. Thin washer 6. Nut Adjusting the Caster Position 1.
Adjusting the Handle Height 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 22). Figure 23 Figure 22 1. Control rod 2. Clevis pin 5. Left handle shown 6. Neutral lock 3. Drive lever 7. Hairpin cotter pin 1. Control rod fitting 6. High position 2. Lower mounting holes 7. Lower position 3. Rear frame 8. Upper mounting hole 4. Lower flange bolt (3/8 x 1 inch) 9.
Height-of-cut Chart Number of spacers below caster 13 mm (1/2 inch ) 5 mm (3/16 inch) A 0 A Number of 1/4 inch blade spacers below 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 (1-3/8 inch) 41 mm (1-5/8
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 • • • • After the first 25 hours • Check the mower belt tension. Before each use or daily • • • • • • Change the engine oil. Check the mower belt tension. Check the hydraulic fluid level. Change the hydraulic filter. Check the safety system.
Lubrication Use Figure 24 for locating the grease points on the machine. Greasing the Pump Control and the Bell Crank Grease Type: #2 general-purpose lithium-based or molybdenum-based grease Service Interval: Every 50 hours—Grease the pump drive idler pivot. Every 50 hours—Grease the pump control. Lubricating the Machine Every 100 hours—Grease the blade engagement bellcrank. 1. Disengage the PTO and set the parking brake. Every 400 hours—Lubricate the cam lock with anti-seize compound. 2.
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 the foam air-cleaner element. Servicing the Paper Air-cleaner Element Every 50 hours—Check the paper air-cleaner element. 1.
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. Rotate oil drain valve to allow oil to drain (Figure 28). 6.
1 Figure 29 1. Oil filter 2. Adapter Figure 30 1. Spark-plug wire/spark plug 3. Apply a thin coat of new oil to the rubber gasket on the replacement filter (Figure 29). 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 29). 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 Tank 3. Connect the wires to the spark plugs (Figure 31). 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.
Servicing the Fuel Filter Service Interval: Every 200 hours/Yearly (whichever comes first) Replacing the Fuel Filter 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. 1 3.
Drive System Maintenance 8. If needed, adjust the switch location to create the 8 mm (5/16 inch) space (Figure 36). Perform the following linkage adjustments when the machine needs maintenance. Perform the steps Adjust the Speed Control Linkage through Adjusting the Tracking. If any adjustments are needed, do them in the order that they are listed. Adjusting the Speed Control Linkage 1. Disengage the PTO and set the parking brake. 2.
2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Raise the rear of the machine onto jack stands to raise the drive wheels off the ground. 4. Disengage the parking brake. 5. Start the engine and move the throttle ahead to the full throttle position. 6. Place the neutral locks in the full forward position and move the speed-control lever to the medium speed position. 7. Hold OPC levers down.
Note: The OPC levers must be held down whenever the speed-control lever is out of the neutral position or the engine will stop. 7. Place the speed-control lever in the neutral position. WARNING 14. Make sure that the speed–control lever is in the neutral position and the tire does not rotate. Electrical system will not perform proper safety shut off with Operator Presence Control (OPC) levers held in place. 15. Repeat the adjustment if needed.
Adjusting the Control Rod 4. Turn the knob clockwise 1/4 of a turn at a time. Then move the speed-control forward and back to neutral. Repeat this until the right wheel stops rotating forward (Figure 41). 1. Adjust the rod length by releasing the drive lever and removing the hairpin cotter pin and clevis pin. Rotate the rod in the rod fitting (Figure 42). 5. Hold the OPC levers down. 2. Lengthen the control rod if the tire is turning in reverse and shorten the rod if the tire is turning forward.
Adjusting the Tracking 1. Remove the machine from any jack stands. 2. Check the rear tire pressure. Refer to Checking the Tire Pressure. 3. Run the machine and observe the tracking on a level, smooth, hard surface such as concrete or asphalt. 4. If the machine tracks to one side or the other, turn the quick track knob. Turn the knob right to steer right and turn the knob left to steer left (Figure 44). Figure 43 1. Handle 5. Neutral position 2. Neutral lock 3. Handle 6. Drive lever 7.
Cooling System Maintenance 3. For a heavier drive setting, relocate the spring anchor links to either the medium or heavy duty positions (Figure 45). The spring anchor links are attached to the upper rear corner of the hydro drive shields on the left and right sides of the machine.
Brake Maintenance yoke counterclockwise out of the yoke out to loosen the parking brake (Figure 48). Servicing the Brake Note: There should be approximately 6 mm (1/4 inch) clearance between the tire and the flat bar with the parking brake in the released position (Figure 48). Before each use, check the parking brake for proper operation. 5. Secure the lower link to the lower brake lever with the hairpin cotter and the clevis pin (Figure 48).
Belt Maintenance 10. Remove the hairpin cotter pin and the clevis pin from the bell crank. Checking the Belts 11. Rotate the clevis clockwise on the rod to increase the clearance; rotate it counterclockwise to decrease it (Figure 49). Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts. 12. Disengage the blade-control (PTO) lever. Check the belts for cracks, frayed edges, burn marks, wear, signs of overheating, or any other damage. Replace any damaged belts.
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. Loosen the locknut on the turnbuckle (Figure 52). 4. Rotate the turnbuckle toward the rear of the mower to increase the tension on the belt. Rotate the turnbuckle toward the front of the mower to decrease the tension on the belt (Figure 52).
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. Loosen the locknut on the turnbuckle (Figure 54). 4. Rotate the turnbuckle toward the rear of the mower to increase the tension on the belt. Rotate the turnbuckle toward the front of the mower to decrease the tension on the belt (Figure 54).
Note: The distance between the belt guide and the mower belt should be 19 mm (3/4 inch) when you engage the mower belt (Figure 56). Adjust the mower belt as necessary. The disengaged belt should not drag or fall off the pulley when the guides and belt tension are properly adjusted. 9. Check the blade brake adjustment; refer to Adjusting the Blade Brake. Figure 57 Figure 56 1. Idler pulley in slot 4. Belt guide 2. Traction belt 5. 19 mm (3/4 inch) 3. Mower belt 6. Mower belt 1. Bellcrank 2.
Hydraulic System Maintenance 9. Loosen the nut against the yoke (Figure 57). 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 pin (Figure 58). Servicing the Hydraulic System 12. Check if the assist arm hits against the stops correctly. Adjusting the PTO Safety Switch Checking the Hydraulic Fluid 1. Disengage the blade-control (PTO) lever and set the parking brakes.
8. Recheck the fluid level while the fluid is warm. If required, add fluid to the reservoir until it reaches the hot level of the baffle. Note: The fluid level should be to the top of the hot level of the baffle, when the fluid is warm (Figure 60). 9. Install the cap on the filler neck. WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Checking the Hydraulic Hoses 2. Stop the engine and wait for all moving parts to stop before leaving the operating position. Service Interval: Every 100 hours 3. Raise the rear of the machine up onto jack stands high enough to raise the drive wheels off the ground. Check hydraulic hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, and weather and chemical deterioration. Make necessary repairs before operating. 4. Check the hydraulic fluid level. 5.
Mower Deck Maintenance Inspecting the Blades Service Interval: Before each use or daily 1. Inspect the cutting edges (Figure 63). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades. 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.
2. Measure from a level surface to the cutting edge, position A, of the blades (Figure 66). Note this dimension. Figure 66 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. 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.
Figure 69 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 67). Figure 70 Important: The curved part of the blade must point upward toward the inside of the mower to ensure proper cutting. 1. Spring mounting bolts 3. 3 mm to 5 mm (1/8 to 3/16 inch) 2. Blade brake pad 2.
Storage Cleaning and Storage 1. Disengage the power take-off (PTO), set the parking brake, and turn the ignition key to the off position. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean dirt and chaff from the outside of the engine cylinder-head fins and the blower housing. g012749 Figure 71 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deflector 3. Locknut 7.
in a memorable place. Cover the machine to protect it and keep it clean.
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 blades do not rotate. Possible Cause Corrective Action 1. The mower deck belt is worn or loose. 1. Check the belt tension. 2. The mower deck belt is broken. 3. The mower deck belt is off pulley. 2. Install a new deck belt. 3. Inspect the belt and replace it if it is damaged. Check the pulleys and idlers and adjust the belt tension. 4. Replace the spring. 4. The idler spring is broken or missing.
Schematics Electrical Schematic (Rev. -) Hydraulic Schematic (Rev.
The Toro Total Coverage Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered Instructions for Obtaining Warranty Service 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.
