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Related Manuals for Toro 74191
Summary of Contents for Toro 74191
- Page 1 FORM NO. 3323–395 Z–320 OUT FRONT Z Model No. 74191 – 895001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
- Page 2 The warning system in this manual identifies potential hazards and has special safety messages that All of us at Toro want you to be completely satisfied help you and others avoid personal injury, even death. with your new product, so feel free to contact your...
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Page 3: Table Of Contents
Contents Page Page Maintenance ......Safety ....... . . Service Interval Chart . - Page 4 Contents The enclosed Engine Owner’s Manual is supplied for information regarding The U.S. Environmental Protection Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance and warranty. Keep this engine Owner’s Manual with your unit. Should this engine Owner’s Manual become damaged or illegible, replace immediately.
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Page 5: Safety
Safety Safe Operation Practices for Preparation Ride-on (riding) Rotary While mowing, always wear substantial footwear and long trousers. Do not operate the Lawnmower Machines equipment when barefoot or wearing open sandals. Training Thoroughly inspect the area where the equipment is to be used and remove all objects Read the instructions carefully. - Page 6 Safety Operation Watch out for traffic when crossing or near roadways. Do not operate the engine in a confined space Stop the blades rotating before crossing surfaces where dangerous carbon monoxide fumes can other than grass. collect. When using any attachments, never direct Mow only in daylight or in good artificial light.
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Page 7: Sound Pressure
Safety 15. Stop the engine and disengage drive to Sound Pressure attachment This unit has an equivalent continuos A-weighted before refuelling; sound pressure at the operator ear of: 90 dB(A), based on measurements of identical machines per before removing the grass catcher; 81/1051/EEC. -
Page 8: Slope Chart
Safety Slope Chart Read all safety instructions on pages 3–10. - Page 9 Safety...
- Page 10 Safety Symbols Glossary Safety alert triangle– Fire, open light & smoking symbol within triangle prohibited indicates a hazard Safety alert symbol Fire or open flame Explosion Read operator’s manual Keep children away Consult technical manual from battery for proper service procedures Shut off engine &...
- Page 11 Safety Symbols Glossary Do not open or Stored energy hazard, remove safety shields kickback or upward motion while engine is running Thrown or flying objects, whole body exposure Dismemberment, rider backing Thrown or flying objects, Do not carry passengers whole body exposure Dismemberment, Out Front Z Keep guards and safety in forward motion...
- Page 12 Safety Symbols Glossary Fast Brake system Slow Parking brake Decreasing/Increasing Battery On/Run Oil Lubrication Point Off/stop Power take off (PTO) Engine start Engage Engine run Disengage Engine stop Elapsed Operating Hours Choke Alarm...
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Page 13: Gasoline And Oil
Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for POTENTIAL HAZARD automotive use (85 pump octane minimum). Leaded When fueling, under certain circumstances, regular gasoline may be used if unleaded regular is a static charge can develop, igniting the not available. -
Page 14: Stabilizer/Conditioner
Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner Shut the engine off and set the parking brake. to the gas. Using a stabilizer/conditioner in the Clean around the fuel tank cap and remove the machine: cap. -
Page 15: Assembly
Recycler baffle – right Install Recycler baffles Carriage bolt 5/16–18 x 3/4” (19 mm) Locknut 5/16” Safety Booklet Read before operating machine Operator’s Manual Engine Operator’s Manual Parts Catalog For ordering parts Registration card Fill out and return to Toro... -
Page 16: Install Castor Wheel
Assembly Install Castor Wheel Check Tire Pressure Remove nut, washers, spacer and axle shaft from Check the air pressure in all tires: refer to Tire fork (Fig. 1). Pressure in Maintenance section on page 42. Jack up rear of unit and install rear wheel into castor fork (Fig. -
Page 17: Activate The Battery
Assembly Activate the Battery Bulk electrolyte with 1.260 specific gravity must be purchased from a local battery supply outlet. Remove the battery from the machine. IMPORTANT: Be careful not to damage the long vent tube when removing the battery box. m–1262 Figure 2 POTENTIAL HAZARD... -
Page 18: Install Battery
Assembly Leave the covers off and connect a 3 to 4 amp Install Battery battery charger to the battery posts (Fig. 3). Charge the battery at a rate of 4 amperes or less Fill battery with electrolyte and charge, refer to for 4 hours (12 volts). -
Page 19: Install Recycler Baffles
Assembly Install Recycler Baffles Recycler Operation Tilt mower into the vertical position, refer to; When operating the mower with Recycler baffles Tilting the Mower, page 27. installed you must disengage the blower drive belt. Remove cap screws, left and right bagger baffles Stop the engine, remove the key and disconnect locknuts, carriage bolts, and left and right the spark plug wire(s) from the spark plug(s). -
Page 20: Install Bagger And Discharge Baffles
Assembly Install Bagger and Discharge Bagger Operation Baffles When operating the mower with bagger baffles installed you must engage the blower drive belt. When changing between bagging and recycling, baffles must be removed and replaced Stop the engine, remove the key and disconnect the spark plug wire(s) from the spark plug(s). -
Page 21: Operation
Operation Think Safety First Controls Please carefully read all the safety instructions on Become familiar with all the controls before you start pages 3–8. Knowing this information could help you, the engine and operate the machine (Fig. 1). your family, pets or bystanders avoid injury. POTENTIAL HAZARD Loud sounds can cause ear damage and loss of hearing. -
Page 22: Parking Brake
Operation Parking Brake Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Move the motion control levers to neutral (Fig. 1). Pull up on the parking brake lever to set the parking brake (Fig. -
Page 23: Starting And Stopping Engine
Operation Starting and Stopping Engine Starting Sit down on the seat and set the parking brake; refer to Setting the Parking Brake, page 20. Move the motion control levers to neutral. Move the PTO (power take off) to “OFF” m–2721 m–2719 (Fig. -
Page 24: Operating Power Take Off (Pto)
Operation Stopping Operating Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 5). Set the parking brake. The power take off (PTO) switch engages and disengages power to the attachment clutch. Turn the ignition key to “OFF” (Fig. 6). Note: If the engine has been working hard or Engaging the Power Take Off (PTO) -
Page 25: The Safety Interlock System
Operation The Safety Interlock System “SET” the parking brake, move power take off (PTO) to “OFF” and hold the motion control levers in neutral. Now start the engine. While the Understanding the Safety Interlock engine is running, move the motion control System levers forward or reverse;... -
Page 26: Driving Forward Or Backward
Operation Driving Forward or Backward The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the “FAST” position for best attachment performance. Always operate in the full throttle position when operating attachments. Forward m–3288 Release the parking brake;... -
Page 27: Stopping The Machine
Operation Backward Positioning the Seat Release the parking brake; refer to Setting the The seat can move forward and backward. Position Parking Brake, page 20. the seat where you have the best control of the machine and are most comfortable. To go backward, slowly pull the motion control levers rearward (Fig. -
Page 28: Adjusting Height-Of-Cut
Operation Adjusting Height-of-Cut Adjusting Rollers The height-of-cut is adjusted from 1” to 4-1/2” The rollers are preset for heights-of-cut above 2” (25 to 115 mm) in 1/2” (13 mm) increments by (51 mm) If the height-of-cut is set to the 1”or 1–1/2” relocating four clevis pins in different hole locations. -
Page 29: Tilting The Mower
Operation Tilting the Mower The mower can be tilted up for ease of service or to shorten unit length for transport and storage. To Raise Mower Lift or push down on side of carrier frame to release weight on latch pin. m–3375 Pull out on latch pin to release and rotate into Figure 15... -
Page 30: Dumping The Hopper
Operation To Lower Mower Dumping the Hopper Pull out latch pins and rotate into notch to hold The hopper is equipped with a “hopper full” sensor in the open position (Fig. 14). that checks for a full condition. When the alarm buzzer sounds the hopper needs to be emptied. -
Page 31: Pushing The Machine By Hand
Operation Pushing the Machine by Hand IMPORTANT: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. To Push the Machine Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Rotate pump by-pass valves counterclockwise 2 turns to push. -
Page 32: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Hydraulic fluid–check level Initial Oil—check level Oil—change* Initial Oil Filter–change (200 hours or every other oil change) Hydraulic filter–change Initial Safety System—check Hopper – clean Screens – clean (as required) Mower Housing –... -
Page 33: Air Cleaner
Maintenance POTENTIAL HAZARD If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you do any maintenance. - Page 34 Maintenance Carefully slide the foam element off the paper element (Fig. 19). Unscrew the cover nut and remove the cover and paper element (Fig. 19). Cleaning the Foam and Paper Elements Foam Element A. Wash the foam element in liquid soap and warm water.
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Page 35: Engine Oil
Maintenance Engine Oil Checking Oil Level Park the machine on a level surface, disengage Change oil: the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Remove the After the first 5 operating hours. key. - Page 36 Maintenance Changing/Draining Oil Change Oil Filter Start the engine and let it run five minutes. This Replace the oil filter every 200 hours or every other warms the oil so it drains better. oil change. Park the machine so that the drain side is slightly Note: Change oil filter more frequently when lower than the opposite side to assure the oil...
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Page 37: Spark Plug
Maintenance Spark Plug Checking the Spark Plug Look at the center of the spark plug(s) (Fig. 26). Check the spark plug(s) after every 200 operating If you see light brown or gray on the insulator, hours. Make sure the air gap between the center and the engine is operating properly. -
Page 38: Greasing And Lubrication
Maintenance Greasing and Lubrication Grease the fittings on drive shaft and universal joints (Fig. 28). The unit must be lubricated regularly. Refer to the Service Interval Chart on page 30. Grease Type: No. 2 general purpose lithium base or molybdenum base grease. How to Grease Disengage the power take off (PTO) and turn the Figure 28... -
Page 39: Gearbox Fluid
Maintenance Gearbox Fluid With deck raised, remove plug on the bottom side of the gearbox. Let fluid fully drain into a pan. (Fig. 32). Change fluid: Reinstall the bottom plug into the gearbox After initial 100 operating hours. (Fig. 32). Note: Fluid will not have to be changed Remove the top plug to fill gearbox (Fig. -
Page 40: Checking Gearbox Fluid
Maintenance Checking Gearbox Fluid Replacing the Castor Wheel Fork Bushings The gearbox fluid must be checked after every 100 operating hours. Check all three gearboxes. The castor wheel forks are mounted in bushings pressed into the top and bottom of the carrier frame Warm the fluid in gearbox. -
Page 41: Servicing The Castor Wheels And Bearings
Maintenance Insert a pin punch into the mounting tube and Servicing the Castor Wheels carefully drive out the bushings (Fig. 34). Clean and Bearings the inside of the mounting tube. Grease the inside and outside of the new The castor wheels rotate on a roller bearing supported bushings. -
Page 42: Replacing Push Arm Bushings
Maintenance To assemble, place one (1) bushing into the Replacing Push Arm Bushings wheel hub. Grease the roller bearing and spanner bushing and slide them into the wheel hub. Place The push arms have pressed in bushings on the end the second bushing into the wheel hub (Fig. -
Page 43: Cleaning The Cooling Systems
Maintenance Insert a pin punch into the push arm and Cleaning the Cooling Systems carefully drive out the bushings (Fig. 37). Clean the inside of the push arm. Before each use, check and clean cooling screen. Remove any build–up of grass, dirt or other debris Use a hammer and flat plate to carefully drive from the oil cooler screen and engine air intake. -
Page 44: Tire Pressure
Maintenance Install screen from rear and raise over oil cooler. Fuel Filter Secure with previously removed hardware (Fig. 38). Replace the fuel filter after every 200 operating hours or yearly, whichever occurs first. Replacing the Fuel Filter Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Never install a dirty filter if it is removed from the fuel line. -
Page 45: Fuel Tank
Maintenance Fuel Tank Draining The Fuel Tank POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive. m–3293 WHAT CAN HAPPEN A fire or explosion from gasoline can burn Figure 41 you, others, and cause property damage. 1. Fuel shut-off valve 3. - Page 46 Maintenance Install cap on filler neck. m–3291 Figure 43 m–3292 1. Hydraulic filter Figure 42 1. Hydraulic reservoir cap 3. Fluid level-Full Apply a thin coat hydro fluid to the rubber 2. Screen gasket on the replacement filter (Fig. 44). Install replacement hydraulic filter onto the filter Replacing the Hydraulic Filter adapter.
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Page 47: Adjust Motion Controls
Maintenance POTENTIAL HAZARD Hydraulic fluid escaping under pressure can penetrate skin and cause injury. WHAT CAN HAPPEN Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of m–1256 injury or gangrene may result. -
Page 48: Adjust Mowing Speed Reference Position
Maintenance Rotate control rod 1 turn, to lengthen rod, and Adjust Mowing Speed tighten jam nuts (Fig. 45). Reference Position IMPORTANT: Motion control lever must contact forward stop before pump contacts The mowing speed reference position is a spring internal stop or pump damage may occur. loaded stop that can be felt, as extra spring force when, pushing motion controls forward. -
Page 49: Replacing Power Take Off (Pto) Belts
Maintenance Replacing Power Take Off (PTO) Belts Check power take off (PTO) belts for wear after every 50 hours of operation. Hold spring loaded idler against belts and pull spring down to remove from lower bolt mount (Fig. 47). Lower idler to relax tension on PTO belts and remove belts from gear box pulley (Fig. -
Page 50: Replacing The Traction Belt
Maintenance Install new PTO belts over clutch and route Replacing the Traction Belt around gearbox pulleys and above spring loaded idler (Fig. 48). Check traction drive belt for wear after every 50 hours of operation. Hold spring loaded idler against belts and pull spring down to install on lower bolt mount Remove PTO belts;... -
Page 51: Replacing The Blower Belt
Maintenance Replacing the Blower Belt Fuse Service Interval/Specification Squealing when the belt is rotating, blower slipping causing frequent clogging of chute and blower, frayed The electrical system is protected by fuses. It requires belt edges, burn marks and cracks are all signs of a no maintenance, however, if a fuse blows check worn blower belt. -
Page 52: Battery
Maintenance Battery IMPORTANT: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. Check the electrolyte level in the battery every 8 hours. Always keep the battery clean and fully Press the filler caps onto the battery. charged. -
Page 53: Cleaning Hopper Screens
Maintenance Cleaning Hopper Screens Cleaning the Hopper Full Sensor For best clipping collection, maximum air flow through the hopper is required. To provide maximum The hopper full sensor, inside the top right side of the air flow, the hopper screens must be kept clean. hopper, detects a beam of light from the transmitter to the receiver. -
Page 54: Cutting Blades
Maintenance Cutting Blades Inspecting the Blades Inspect the cutting edges (Fig 55). If the edges To ensure a superior quality of cut, keep the blades are not sharp or have nicks, remove and sharpen sharp. For convenient sharpening and replacement, the blades. - Page 55 Blades must be replaced if a solid object is hit, if the blade is out of balance or is 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.
- Page 56 Maintenance Sharpening the Blades Use a file to sharpen the cutting edge at both ends of the blade (Fig. 59). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges.
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Page 57: Correcting Cutting Unit Mismatch
Maintenance Correcting Cutting Unit Setting the Front-to-Rear Pitch Mismatch Check the tire pressure on both deck and traction unit. If one cutter blade cuts lower than the other, correct as follows: Position one blade front-to-rear (Fig. 61). Measure at “C” and “D” locations (Fig. 61) from Stop the engine, remove the key and disconnect a level surface to the cutting edge of the blade the spark plug wire(s) from the spark plug(s). -
Page 58: Setting The Side-To-Side Leveling
Maintenance To change the side-to-side leveling, remove the Setting the Side-to-Side Leveling retaining ring and move the thrust washers on one castor wheel fork only. Move the thrust Check the tire pressure on both deck and traction washers from the top of the carrier frame unit. -
Page 59: Wiring Diagram
Maintenance Wiring Diagram... -
Page 60: Hydraulic Diagram
Maintenance Hydraulic Diagram... -
Page 61: Cleaning And Storage
Maintenance Cleaning and Storage 12. Check the tire pressure; refer to Tire Pressure, page 42. Disengage the power take off (PTO), set the 13. Charge the battery; refer to Battery page 50. parking brake and turn the ignition key to “OFF” to stop the engine. -
Page 62: Troubleshooting
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank Power take off (PTO) is Move power take off (PTO) to ENGAGED. DISENGAGED. Parking brake is not on. Set parking brake. Motion control levers are not Move motion control levers in neutral. - Page 63 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine overheats. Engine load is excessive. Reduce ground speed. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages. are plugged.