Toro 74760 Operator's Manual
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Summary of Contents for Toro 74760
- Page 1 Form No. 3394-184 Rev C TimeCutter ® MX 4250 Riding Mower Model No. 74760—Serial No. 315000001 and Up *3394-184* C Register at www.Toro.com. Original Instructions (EN)
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Page 2: Figure 1
Other additional information, contact an Authorized Service states or federal areas may have similar laws. Dealer or Toro Customer Service and have the model This spark ignition system complies with Canadian and serial numbers of your product ready. -
Page 3: Table Of Contents
Cleaning and Storage ........50 Troubleshooting ............52 Safety ............... 4 Schematics ............. 54 Safe Operating Practices........4 Toro Riding Mower Safety........6 Slope Indicator ........... 7 Safety and Instructional Decals ......8 Product Overview ........... 13 Controls ............13 Operation .............. -
Page 4: Safety
Data indicates that operators, age 60 years and addition to the instructions found in the ANSI standard above, are involved in a large percentage of riding below can be found in Toro Riding Mower Safety at mower-related injuries. Operators should evaluate the end of this section. - Page 5 Towing Safety • Do not make sudden turns or rapid speed changes. • Remove or mark obstacles such as rocks, tree • Do not attach towed equipment except at the hitch limbs, etc. from the mowing area. Tall grass can point.
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Page 6: Toro Riding Mower Safety
• Replace all parts including, but not limited to, tires, belts, blades, and fuel system components with original Toro parts. Toro Riding Mower Safety The following list contains safety information specific to Toro products or other safety information that you... -
Page 7: Slope Indicator
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 15 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 15 degrees. Fold along the appropriate line to match the recommended slope. -
Page 8: Safety And Instructional Decals
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. decal93-7009 93-7009 1. Warning—don't operate the mower with the deflector up or removed;... - Page 9 decal119-8814 119-8814 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow decal121-2989b 121-2989 1. Bypass lever position for 2. Bypass lever position for pushing the machine operating the machine decal119-8815 119-8815 1. Parking position 4. Neutral decaloemmarkt 2. Fast 5.
- Page 10 decal131-1097 131-1097 1. Oil drain decal131-4036 131-4036 1. Maximum drawbar pull 36 2. Read the Operator's kg (80 lb) Manual. decal132-6863 132-6863...
- Page 11 decal121-0772 121-0772 1. Fast 4. Choke 2. Continuous variable setting 5. Power take-off (PTO), Blade control switch 3. Slow...
- Page 12 decal131-3947 131–3947 1. Trim—slow 3. Mow—fast 2. Tow—medium decal132-0869 132-0869 1. Warning—read the 3. Cutting hazard of hand, 5. Ramp tipping 7. Tipping hazard on Operator's Manual. mower blade; pinching hazard—when loading slopes—do not use on hazard of hand, belt—keep onto a trailer, do not use slopes near open water;...
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Page 13: Product Overview
Product Overview g028166 Figure 4 1. Deflector 4. Height of cut lever 7. Footrest 10. Engine 2. Rear drive wheel 5. Operator seat 8. Fuel tank cap 11. Engine guard 3. Motion-control levers 6. Smart Speed™ lever 9. Control panel 12. - Page 14 Ignition Switch The ignition switch has three positions, O . The key will turn to S and move back to TART TART upon release. Turning the key to the O position will stop the engine; however, always remove the key when leaving the machine to prevent someone from accidentally starting the engine (Figure...
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Page 15: Operation
Operation Note: Determine the left and right sides of the machine from the normal operating position. Adding Fuel • 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). •... -
Page 16: Using Stabilizer/Conditioner
DANGER DANGER In certain conditions, gasoline is extremely In certain conditions during fueling, static flammable and highly explosive. A fire or electricity can be released causing a spark explosion from gasoline can burn you and which can ignite the gasoline vapors. A fire others and can damage property. -
Page 17: Filling The Fuel Tank
Note: A fuel stabilizer/conditioner is most effective new, placing additional load on the engine. Allow when mixed with fresh gasoline. To minimize the 40 to 50 hours of break-in time for new machines to chance of varnish deposits in the fuel system, use fuel develop full power and best performance. - Page 18 Understanding the Safety-Interlock System WARNING 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.
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Page 19: Starting The Engine
Starting the Engine While the engine is running, move the motion-control levers to the center, unlocked position, engage the blade-control switch, and Note: A warm or hot engine may not require choking. rise slightly from the seat. Important: Do not engage the starter for more Note: The engine should stop. -
Page 20: Operating The Blades
Operating the Blades Stopping the Engine Disengage the blades by moving the The blade-control switch, represented by a power blade-control switch to O (Figure 14). take-off (PTO) symbol, engages and disengages power to the mower blades. This switch controls Move the throttle lever to the F position power to any attachments that draw power from the (Figure... - Page 21 Using the Smart Speed Control System The Smart Speed Control-System lever, located below the operating position (Figure 16), gives the operator a choice to drive the machine at 3 ground speed ranges—trim, tow, and mow. g027625 Figure 16 1. Smart speed lever To change speeds, do the following: g004532 Figure 15...
- Page 22 • Parking • Heavy, wet grass mowing conditions This is the medium speed. The suggested uses for this speed are as follows: • Training • Bagging • Mulching This is the fastest speed. The suggested uses for this speed are as follows: •...
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Page 23: Stopping The Machine
Driving Backward Adjusting the Height-of-Cut Note: Always use caution when backing up and Note: The T position is the highest RANSPORT turning. height-of-cut position or cutting height (115 mm (4.5 inches)) as shown in Figure Move the levers to the center, unlocked position. Height-of-cut is controlled by the lever located to the To go backward, look behind you and down, right of the operating position... -
Page 24: Adjusting The Anti-Scalp Rollers
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. Note: Adjust the anti-scalp rollers so the rollers do not touch the ground in normal, flat mowing areas. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK... -
Page 25: Adjusting The Motion-Control Levers
Adjusting the for all moving parts to stop before leaving the operating position. Motion-Control Levers Locate the bypass levers on the frame on both sides of the engine. Adjusting the Height Move the bypass levers forward through the key hole and down to lock them in place as shown in The motion-control levers can be adjusted higher or Figure 23 . -
Page 26: Grass Deflector
Grass Deflector Transporting the Machine The mower has a hinged grass deflector that Use a heavy-duty trailer or truck to transport the disperses clippings to the side and down toward the machine. Ensure that the trailer or truck has all turf. -
Page 27: Loading The Machine
Loading the Machine WARNING Loading a machine onto a trailer or truck Use extreme caution when loading or unloading increases the possibility of tip-over and could machines onto a trailer or a truck. Use a full-width cause serious injury or death. ramp that is wider than the machine for this procedure. -
Page 28: Operating Tips
Operating Tips Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the F position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower by uncut grass. - Page 29 Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade.
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Page 30: Maintenance
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil and filter. After the first 5 hours • Check the safety-interlock system. •... -
Page 31: Pre-Maintenance Procedures
Pre-Maintenance Lubrication Procedures Greasing the Bearings Service Interval: Every 25 hours—Grease all Raising the Seat lubrication points. Make sure the motion-control levers are locked in the Grease Type: No. 2 general-purpose lithium-based position. Lift the seat forward. grease The following components can be accessed by raising Park the machine on a level surface and the seat: disengage the blade-control switch. -
Page 32: Engine Maintenance
Engine Maintenance Wipe up any excess grease. Servicing the Air Cleaner Note: Service the air cleaner more frequently (every few hours) if operating conditions are extremely dusty or sandy. Removing the Elements Park the machine on a level surface and disengage the blade-control switch (PTO). -
Page 33: Servicing The Engine Oil
Servicing the Engine Oil Remove the foam element from the paper element (Figure 30). Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: 2.4 L (2.5 US qt) Viscosity: See the table below. g027802 Figure 30 Servicing the Foam Element Service Interval: Every 25 hours/Monthly (whichever comes first)—Clean the foam... - Page 34 Disengage the PTO and ensure the parking brake is engaged. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Drain the engine oil (Figure 33). g029368 Figure 32 Changing the Engine Oil and Oil Filter Service Interval: After the first 5 hours/After the first month (whichever comes...
- Page 35 Change the engine oil filter (Figure 34). g027799 g027477 Figure 34 Note: Ensure that the oil-filter gasket touches the engine, and then turn the filter an extra 3/4 turn. g029570 Figure 33...
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Page 36: Servicing The Spark Plug
Servicing the Spark Plug Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure Service Interval: Every 100 hours/Yearly (whichever 35). comes first)—Check the spark plug(s). -
Page 37: Cleaning The Cooling System
Checking the Spark Plug Cleaning the Cooling System Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or Clean the air intake screen from grass and debris cracks. -
Page 38: Fuel System Maintenance
Fuel System Maintenance DANGER In certain conditions, gasoline is extremely flammable and highly explosive. A fire or g027939 explosion from gasoline can burn you and others and can damage property. • Perform any fuel related maintenance when the engine is cold. Do this outdoors in an open area. -
Page 39: Electrical System Maintenance
Electrical System WARNING Incorrect battery cable routing could Maintenance damage the machine and cables causing sparks. Sparks can cause the battery WARNING gasses to explode, resulting in personal injury. CALIFORNIA • Always disconnect the negative Proposition 65 Warning (black) battery cable before Battery posts, terminals, and related disconnecting the positive (red) accessories contain lead and lead... -
Page 40: Servicing The Fuses
Charging the Battery Servicing the Fuses Service Interval: Before storage—Charge the battery The electrical system is protected by fuses. It requires and disconnect battery cables. no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. Remove the battery from the chassis;... -
Page 41: Drive System Maintenance
Releasing the Electric Drive System Brake Maintenance The electric brake releases by manually rotating the link arms forward. Once the electric brake is Checking the Tire Pressure energized the brake will reset. Service Interval: Every 25 hours—Check tire To release the brake: pressure. -
Page 42: Mower Maintenance
If a blade is damaged or worn, replace it immediately with a Checking for Bent Blades genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep Note: The machine must be on a level surface for extra blades on hand. - Page 43 1. Blade, side previously measured to exceed 1/8 inch (3mm), the blade spindle 2. Measurement position used previously could be bent. Contact an Authorized Toro 3. Opposing side of blade being moved into measurement Dealer for service. position If the variance is within constraints, move to the next blade..
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Page 44: Leveling The Mower Deck
To ensure optimum performance and continued safety g000553 Figure 52 conformance of the machine, use genuine Toro replacement blades. Replacement blades made by 1. Blade 2. Balancer other manufacturers may result in non-conformance with safety standards. - Page 45 Carefully rotate the blades so that they are all Check the side-to-side adjustments again. side to side (Figure 53). Repeat this procedure until the measurements are correct. Continue leveling the deck by checking the front-to-rear blade slope; refer to Adjusting the Front-to-Rear Blade Slope (page 45).
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Page 46: Removing The Mower
g014634 Figure 56 1. Adjusting rod 3. Lock nut 2. Adjusting block g014635 Figure 57 To raise the front of the mower, tighten the adjustment nut. To lower the front of the mower, 1. Front support rod 3. Deck bracket loosen the adjustment nut. -
Page 47: Mower Belt Maintenance
Set the height-of-cut at the lowest cutting Figure 59 position [38 mm (1-1/2 inch)]. 1. Idler pulley 5. Engine pulley Using a spring removal tool, (Toro part no. 2. Mower belt 6. Spring removal too 92-5771), remove the idler spring from the deck 3. Outside pulley 7. -
Page 48: Replacing The Grass Deflector
Replacing the Grass Deflector Service Interval: Before each use or daily—Inspect the grass deflector for damage WARNING An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur. -
Page 49: Cleaning
Cleaning Lift the loop end of the spring and place it into the notch on the deflector bracket (Figure 61). Washing the Underside of the Mower Service Interval: After each use—Clean the mower deck housing. Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal. -
Page 50: Storage
Storage Turn the water off and remove the coupling from the washout fitting. Note: If the mower is not clean after one Cleaning and Storage washing, soak it and let it stand for 30 minutes. Then repeat the process. Disengage the blade-control switch, move the motion-controls outward to the P position, Run the mower again for one to three minutes to... - Page 51 the spark plug(s). Do not install the wire on the spark plug(s). Clean any dirt and chaff from the top of the mower. Scrape any heavy buildup of grass and dirt from the underside of the mower, then wash the mower with a garden hose.
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Page 52: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3. - Page 53 Problem Possible Cause Corrective Action There is abnormal vibration. 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The engine pulley, idler pulley, or blade 2. Tighten the appropriate pulley. pulley is loose. 3. The engine pulley is damaged. 3.
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Page 54: Schematics
Schematics g028022 Electrical Diagram (Rev. A) - Page 55 Notes:...
- Page 56 Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company. Australian Consumer Law: Australian customers will find details relating to the Australian Consumer Law either inside the box or at your local Toro Dealer.