Form No. 3376-461 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. 313000001 and Up Model No. 30938—Serial No. 313000001 and Up Model No. 39934—Serial No. 313000001 and Up Model No. 39938—Serial No. 313000001 and Up G017540 Register at www.Toro.com.
Introduction 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. 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.
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 Cleaning the Cooling System....................................35 Brake Maintenance ....................................................35 Servicing the Brake .................................................35 Belt Maintenance ......................................................36 Checking the Belts..................................................36 Replacing the Mower Belt ........................................36 Adjusting the Mower Belt Tension ............................
• Extinguish all cigarettes, cigars, pipes, and other sources • Only operate in good light, keeping away from holes and • • • • • • • • • • • • • • • • • • • hidden hazards. Be sure all drives are in neutral and parking brake is engaged before starting engine. Only start engine from the operator's position. Be sure of your footing while using this machine, especially when backing up. Walk, don't run. Never operate on wet grass. Reduced footing could cause slipping.
Hauling Service • Use care when loading or unloading the machine into a • Never store the machine or fuel container inside where trailer or truck. there is an open flame, such as near a water heater or furnace. • Use full width ramps for loading machine into trailer or truck. • Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition. • Tie the machine down securely using straps, chains, cable, or ropes.
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 starter 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 Shut-off Valve Operation Close the fuel shut-off valve when transporting or storing mower. Adding Fuel • For best results, use only clean, fresh, unleaded gasoline Choke with an octane rating of 87 or higher ((R+M)/2 rating method). Use the choke to start a cold engine. • Oxygenated fuel with up to 10% ethanol or 15% MTBE by volume is acceptable. Specifications • Do Not use ethanol blends of gasoline (such as E15 Note: Specifications and design are subject to change without notice.
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.
Setting the Parking Brake Pull the parking brake lever rearward (Figure 7). Figure 8 Figure 7 1. Split ring 1. Parking brake lever (in the released position) 2. Control shield bolt • After the engine is started, pull the chain straight out from side of machine until ring can be removed from shield bolt. Slowly release tension on chain. Releasing the Parking Brake Push the parking brake lever forward. 3. Disengage the blade control knob (PTO) and move the speed control lever to neutral.
Releasing the Neutral Lock 1. Squeeze the drive levers back until an increase in force is felt. 2. Place thumbs on the upper part of 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 fuel shut off valve is closed before transporting or storing machine, as fuel leakage may occur. Before storing machine, pull wire off spark plug(s) to prevent possibility of accidental starting.
Operating the Mower Blade Control Knob (PTO) The Safety Interlock System The blade control knob (PTO) is used in conjunction with the Operator Presence Control (OPC) levers to engage and disengage the mower blades. 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.
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 begin rotating. From neutral, slowly squeeze the drive levers to move rearward (Figure 13). 6. With engine running, release the OPC levers. The engine should kill. Bringing the Machine to Neutral Position 7. With the engine running, move the speed control lever forward slightly. Release the OPC levers.
Positioning the Flow Baffle Note: Rotate the by-pass 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 by-pass 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). A tapered punch can be used to help align the holes. 8. Tighten all 4 bolts. 9. Install drive wheels and lower the mower. Adjusting the Caster Position Figure 19 1. Blade 4. Spacer 2. Blade bolt 3. Curved washer 5. Thin washer 6. Nut 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 Number of 1/4 inch blade spacers below spindle 1/2 inch (13mm) 3/16 inch (5 mm) 4 3 2 1 0 A 0 0 1 inch (26 mm) 1–1/4 inch (32 mm) 1–1/2 inch (38 mm) 1–3/4 inch (45 mm) 2 inch (51 mm) A 0 1 1–1/8 inch (29 mm) 1–3/8 inch (35 mm) 1–5/8 inch (41 mm) 1–7/8 inch (48 mm) 2–1/8 inch (54 mm) A 1 0 1–3/8 inch (35 mm) 1–5/8 inch (41 mm) 1–7/8 inch (48 mm) 2–1/8 inch (54 mm) 2–3/8 inch (60 mm) B 0 1 1–3/8 inch (35 mm) 1–5/8 inch (41
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. Grease the caster wheels and caster pivot.
Lubrication Use Figure 24 for locating the grease points on the machine. Greasing the Pump Control and Bell Crank Grease with No. 2 general purpose lithium base or molybdenum base grease. Service Interval: Every 50 hours—Grease the pump drive idler pivot. Every 50 hours—Grease the pump control. How to Grease Every 100 hours—Grease the blade engagement bellcrank. 1. Disengage the PTO and set the parking brake. Every 400 hours—Lubricate cam lock with Never-Seez®. 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 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 28). 6. When oil has drained completely, close the drain valve. 7. Remove the drain hose (Figure 28). Note: Dispose of the used oil at a recycling center. Figure 26 Checking the Engine Oil Level 1.
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 16 ft-lb (22 N-m). 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 Perform the following linkage adjustments when the machine needs maintenance. Perform steps Adjust the Speed Control Linkage through Adjusting the Tracking. If and adjustment is 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. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3.
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 kill.
15. Repeat the adjustment if needed. WARNING Electrical system will not perform proper safety shut off with Operator Presence Control (OPC) levers held in place. • Make sure Operator Presence Control (OPC) levers are working when adjustment is completed. • Never operate this unit with Operator Presence Control (OPC) levers held in place. 8. Loosen the front adjusting nut on left hydro control linkage as shown in Figure 39. 9.
Note: The OPC levers must be held down whenever the speed control lever is out of the neutral position or the engine will kill. 6. The spring that keeps tension on the knob should normally not need adjustment. However if an adjustment is needed, adjust the length of spring to 1 inch (26 mm) between the washers (Figure 41). 7. Adjust spring length by turning nut at front of spring (Figure 41). 4. Place the clevis pin into the drive lever (Figure 42). Figure 42 1. Control rod 2. Clevis pin 5.
3. Run the unit and observe the tracking on a level, smooth, hard surface such as concrete or asphalt. 4. If the unit 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 45 Figure 44 1. Spring anchor 3. Medium setting 2. Standard setting 4. Heavy duty setting 1.
Cooling System Maintenance Brake Maintenance Cleaning the Air Intake Screen Before each use, check the parking brake for proper operation. Service Interval: Before each use or daily—Clean the air intake screen. Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, adjust it.
Belt Maintenance 4. Rotate the lower brake link yoke clockwise into the yoke to tighten the parking brake; rotate the brake link yoke counterclockwise out of the yoke out to loosen the parking brake (Figure 48). Checking the Belts Note: There should be approximately 1/4 inch clearance between the tire and the flat bar when the parking brake in the released position (Figure 48). Service Interval: Every 50 hours/Monthly (whichever comes first)—Check the belts.
11. Rotate the clevis clockwise on the rod to increase the clearance; rotate it counterclockwise to decrease it (Figure 49). 13. Check the belt guide under the engine frame for the proper adjustment. Note: The distance between the belt guide and the mower belt should be 1-1/4 inch (32 mm) when you engage the mower belt. Adjust the mower belt as necessary. The disengaged belt should not drag or fall off the pulley when the guides are properly adjusted. 12. Disengage the blade control (PTO) lever.
Figure 52 36in Mower Deck 1. Mower belt with 1/2 inch (13mm) deflection Figure 53 48in Mower Deck 2. Idler pulley 1. Mower belt with 1/2 inch (13mm) deflection 6. Tighten the locknut on the turnbuckle. 7. Check the blade brake adjustment; refer to Adjusting the Blade Brake. 2. Idler pulley Note: The eyebolt threads on both ends of the turnbuckle should be engaged a minimum of 5/16 inch (8 mm).
7. positioned to the middle or front hole (Figure 55). Use the hole that will give the correct adjustment. Adjusting the PTO Engagement Linkage When the idler pulley is moved the belt guide must be moved. Move the belt guide to the front position (Figure 55). 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.
Figure 58 1. Yoke 2. Nut 3. Rear assist arm stop Figure 59 5. Assist arm link 6. Assist arm 7. Turnbuckle 4. Front assist arm stop 8. To adjust the assist arm link, remove the hairpin cotter pin from the assist arm (Figure 58). 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). 12.
Hydraulic System Maintenance 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). Servicing the Hydraulic System 9. Install cap on filler neck. WARNING Checking the Hydraulic Fluid Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
2. Stop the engine and wait for all moving parts to stop before leaving the operating position. 3. Raise the rear of the machine up onto jack stands high enough to raise the drive wheels off the ground. 4. Check the hydraulic fluid level. 5. Start the engine and move the throttle control to the full throttle position. Move the speed control lever to the middle speed position and place the drive levers into the drive position.
Mower Deck Maintenance Checking the Hydraulic Hoses Service Interval: Every 100 hours Check hydraulic hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. Servicing the Cutting Blades Note: Keep areas around hydraulic system clean from grass and debris build up. To ensure a superior quality of cut, keep the blades sharp.
Checking for Bent Blades 1. Hold the blade bolt with a wrench. 1. Rotate the blades until the ends face forward and backward (Figure 64). 2. Remove the nut, blade bolt, curved washer, blade, spacers, and thin washer from the spindle (Figure 66). Figure 64 Figure 65 1. Measure from cutting edge to a level surface 2. Measure from a level surface to the cutting edge, position A, of the blades (Figure 65). Note this dimension. 3. Rotate the opposite ends of the blades forward. 4.
position, the blade is balanced and can be used. If the blade is not balanced, file some metal off the end of the sail area only (Figure 68). Repeat this procedure until the blade is balanced. Figure 68 1. Blade 2. Balancer Installing the Blades Figure 69 1. Install the bolt, curved washer, and blade. Select the proper number of spacer(s) for the height-of- cut, and slide the bolt into the spindle (Figure 66). 1. Spring mounting bolts 3. 1/8-3/16 inch (3mm-5mm) 2.
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. Clean dirt and chaff from the outside of the engine's cylinder head fins and blower housing. 3. 4. 5. Figure 70 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 6. 7. 8. 8.
Troubleshooting Problem Engine will not start, starts hard, or fails to keep running. Possible Cause 1. Fuel tank is empty. 1. Fill 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 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 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. -) Hydraulic Schematic (Rev.
Notes: 50
Notes: 51
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.