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Related Manuals for Toro 74255
Summary of Contents for Toro 74255
- Page 1 Form No. 3354-678 Rev B Z588E Z Master® with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74255—Serial No. 250000001 and Up Model No. 74256—Serial No. 250000001 and Up Register your product at www.Toro.com Original Instructions (EN)
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Page 2: Table Of Contents
Genuine Toro spark arresters are approved by the USDA Forestry Service. Important: This engine is equipped with a spark arrester muffler. - Page 3 Controls ........... 14 Adjusting the Tracking....... 41 Operation............15 Checking the Tire Pressure....41 Adding Fuel ........15 Checking the Wheel Hub Slotted Checking the Engine Oil Level ... 16 Nut ........41 Using the Rollover Protection Adjusting the Caster Pivot System (ROPS)....
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Page 4: Safety
Safety hair, loose clothing or jewelry may get tangled in moving parts. Improper use or maintenance by the operator or • Inspect the area where the equipment is to be used and remove all objects such as rocks, toys owner can result in injury. To reduce the potential for injury, comply with these safety instructions and wire which can be thrown by the machine. - Page 5 • Never carry passengers and keep pets and • Always avoid sudden starting or stopping on bystanders away. a slope. If tires lose traction, disengage the blades and proceed slowly off the slope. • Be alert, slow down and use caution when making turns.
- Page 6 Wear protective clothing and use insulated tools. • Keep all parts in good working condition and all hardware tightened. Replace all worn or damaged decals. • Use only Toro approved attachments. Warranty may be voided if used with unapproved attachments.
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Page 7: Slope Chart
Slope Chart... -
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. 98-5954 1-633462 1-403005 1-643339 1-523552 54-9220 98-4387 1. Warning—wear hearing protection. 66-1340... - Page 9 103-2750 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 re, open ame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
- Page 10 105-7798 107-1864 107-2102 107-1621 107-1622...
- Page 11 107-2114 106-9969 107-2112 107-1860 107-1857...
- Page 12 107-1861 107-8076 1. Fast 2. Slow 3. Neutral 4. Reverse...
- Page 13 106-9989 106-7492...
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Page 14: Product Overview
Product Overview Hour Meter The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure 4). Malfunction Indicator Light The malfunction indicator light lets the user know there is a problem with the fuel injection system. -
Page 15: Operation
Operation In certain conditions during fueling, static Note: Determine the left and right sides of the electricity can be released causing a spark machine from the normal operating position. which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and Adding Fuel others and can damage property. -
Page 16: Checking The Engine Oil Level
• Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives containing methanol or ethanol. Add the correct amount of gas stabilizer/conditioner to the gas. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. - Page 17 There is no rollover protection when the roll bar is in the down position. • Lower the roll bar only when absolutely necessary. • Do not wear the seat belt when the roll bar is in the down position. • Drive slowly and carefully. •...
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Page 18: Think Safety First
Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning. There is no rollover protection when the roll bar is down. Always keep the roll bar in the raised and locked position and use the seat belt. -
Page 19: Operating The Parking Brake
parking brake is disengaged and the lever will rest against the brake stop. This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure. Wear hearing protection when operating this machine. -
Page 20: Operating In Cool Weather
Figure 14 3. Start 1. Off 2. Run Stopping the Engine Figure 12 1. PTO—on 2. PTO—off 1. Push the PTO to the Off position (Figure 12). 2. Move the throttle lever midway between the 4. Move the throttle control midway between the Slow and Fast positions (Figure 13). -
Page 21: Operating The Power Take Off
Operating the Power Take Understanding the Safety Interlock System Off (PTO) The safety interlock system is designed to prevent The power take off (PTO) switch starts and stops the engine from starting unless: the mower blades and any powered attachments. •... -
Page 22: Driving Forward Or Backward
Try starting the engine; the engine should not crank. 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 performance. Always operate in the full throttle position when mowing. -
Page 23: Adjusting The Height-Of-Cut
Adjusting the Height-of-Cut The height-of-cut is adjusted from 1-1/2 to 5 inch (38 to 127 mm) in 1/4 inch (6 mm) increments by relocating the clevis pin into different hole locations. 1. Raise the height-of-cut lever to the transport position (also the 5 inch (127 mm) cutting Figure 18 height position) (Figure 17). -
Page 24: Adjusting The Flow Baffle
Adjusting the Flow Bafe The mower discharge flow can be adjusted for different types of mowing conditions. Position the cam locks and baffle to give the best quality of cut. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. -
Page 25: Positioning The Seat
• Use in tall, dense grass mowing conditions. • Use in wet conditions. • Lowers the engine power consumption. • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS mower. -
Page 26: Unlatching The Seat
Figure 26 Figure 27 1. Seat suspension knob 2. Seat position adjustment lever 1. Back rest knob 2. Right-side arm rest 2. Slide the seat to the desired position and Unlatching the Seat release lever to lock in position. Push the seat latch rearward to unlatch the seat. Changing the Seat Suspension This will allow access to the machine under the The seat can be adjusted to provide a smooth and... -
Page 27: Pushing The Machine By Hand
Pushing the Machine by Using the Side Discharge Hand The mower has a hinged grass deflector that disperses clippings to the side and down toward Important: Always push the machine the turf. by hand. Never tow the machine because hydraulic damage may occur. Pushing the Machine Without the grass deflector, discharge cover, or complete grass catcher assembly... -
Page 28: Loading Machines
Important: Do not use the motion control levers as anchors for tieing the machine down. Loading a unit onto a trailer or truck increases the possibility of backward • Secure a trailer to the towing vehicle with tip-over and could cause serious injury or safety chains. -
Page 29: Using The Z Stand
Using the Z Stand® The Z Stand raises the front end of the machine to allow you to clean the mower and remove the blades. The machine could fall onto someone and cause serious injury or death. Figure 32 1. Z Stand (Positioned in slot) 3. Latch resting on pivot tab •... -
Page 30: Operating Tips
Mowing Direction Alternate mowing direction to keep the grass standing straight. This also helps disperse clippings which enhances decomposition and fertilization. Mow at Correct Intervals Normally, mow every four days. But remember, grass grows at different rates at different times. So to maintain the same cutting height, which is a good practice, mow more often in early spring. - Page 31 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 32: Maintenance
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval After the rst 8 operating • Check the hydraulic uid. hours After the rst 25 • Change the hydraulic lter and oil. operating hours • Check the safety system. • Check the air lter minder. •... -
Page 33: Lubrication
Lubrication Greasing and Lubrication Lubricate the machine when shown on the Check Service Reference Aid decal (Figure 34). Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. How to Grease 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. -
Page 34: Engine Maintenance
3. Remove the belt covers. and restricted. When it changes red, air cleaner maintenance is required. 4. Grease the three spindle bearings under the pulleys until grease comes out the lower seals 1. Start by visually checking the condition of the (Figure 35). -
Page 35: Servicing The Engine Oil
Installing the Filters Important: To prevent engine damage, always operate the engine with both air filters and cover installed. 1. If installing new filters, check each filter for shipping damage. Do not use a damaged filter. 2. If the safety filter is being replaced, carefully slide it into the filter body (Figure 37). - Page 36 Checking the Oil Level 4. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the Note: Check the oil when the engine is cold. operating position. 1. Disengage the PTO, move the motion control 5.
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Page 37: Servicing The Spark Plug
Figure 42 Figure 41 1. Spark plug wire 2. Spark plug 1. Oil lter 3. Adapter 2. Gasket 4. Clean around the spark plug(s) to prevent dirt from falling into the engine and potentially 3. Pour new oil of the proper type in through the causing damage. -
Page 38: Servicing The Spark Arrester
2. Tighten the spark plug(s) to 20 ft-lb (27 N⋅m). 3. Push the wire(s) onto the spark plug(s) Fuel system components are under high (Figure 42). pressure. Use of improper components can result in system failure, gasoline leakage Servicing the Spark Arrester and possible explosion. - Page 39 Removing the Battery 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. • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine.
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Page 40: Servicing The Fuses
Servicing the Fuses Charging the Battery The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows Charging the battery produces gasses that check component/circuit for malfunction or short. can explode. Fuse: Main F1-30 amp, blade-type (Figure 46) Never smoke near the battery and keep 1. -
Page 41: Drive System Maintenance
Drive System Checking the Tire Pressure Maintenance Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Figure 49). Adjusting the Tracking Maintain the air pressure in the front and rear tires Note: Determine the left and right sides of the at 13 psi (90 kPa). -
Page 42: Adjusting The Caster Pivot
Figure 50 1. Slotted Nut 3. Hole in threaded shaft 2. Two threads or less 4. Washer (if needed) showing 5. Check the distance from bottom of slot in nut to inside edge of hole. Two threads or less should be showing (Figure 50). 6. -
Page 43: Brake Maintenance
governor levers and linkage. This will make sure below the yoke (Figure 54). Turn the nut until adequate cooling to hydraulic pumps, motors the correct measurement is obtained. Tighten and engine and will reduce the possibility of the two nuts together and repeat on opposite overheating and mechanical damage. -
Page 44: Adjusting The Mower Belt
Adjusting the Mower Belt Important: Check the amount of twist Tension in the belt between the pulleys. Make sure it is only what is specified in Figure 55. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. -
Page 45: Replacing The Pump Drive
Figure 58 1. Mower idler plate 3. Ratchet or breaker bar Figure 59 2. Square hole 4. Idler plate bolt 1. Spring loaded idler pulley 4. Idler pulley arm 2. Top alignment hole 5. Belt 3. 0 to 1/4 inch gap 6. -
Page 46: Controls System Maintenance
pulleys (Figure 61). Remove belt between pulleys. Figure 61 Figure 62 1. Neutral locked position 3. Neutral position 2. Control lever 2. Install new belt around engine and hydro pump pulleys (Figure 61). 6. Pull the lever back until the clevis pin (on arm 3. -
Page 47: Hydraulic System Maintenance
2. Clean the area around filler neck of hydraulic tank (Figure 64). Figure 64 1. Cap 3. Cold uid level-full 2. Bafe 4. Hot uid level-full 3. Remove the cap from the filler neck. Look Figure 63 inside to check if there is fluid in the reservoir (Figure 64). -
Page 48: Replacing The Hydraulic Filter And Oil
Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene Figure 65 may result if this is not done. -
Page 49: Bleeding The Hydraulic System
Bleeding the Hydraulic System Hydraulic fluid escaping under pressure can The traction system is self bleeding, however, it penetrate skin and cause injury. may be necessary to bleed the system if fluid is • If hydraulic fluid is injected into the skin changed or after work is performed on the system. - Page 50 This adjustment must be made with drive wheels 3. Move the motion control lever forward and turning. reverse, then back to neutral. The wheel must stop turning or slightly creep in reverse. 1. Raise the frame and use jack stands to hold up the machine so drive wheels can rotate freely.
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Page 51: Mower Deck Maintenance
4. Move the motion control lever forward and 5. Lower the mower to the 3 inch (76 mm) reverse, then back to neutral. The wheel must height-of-cut position. stop turning or slightly creep in reverse. 6. Inspect the four chains. The chains need to 5. - Page 52 a measurement of 3-1/8 to 3-1/4 inches (Figure 70). Note: It is recommended that both sides of the mower are adjusted the same distance. 9. Tighten the jam nut under the rear support arm and tighten the bolt securing the chain to the rear support arm.
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Page 53: Servicing The Cutting Blades
2. Curved Area and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient Checking for Bent Blades sharpening and replacement, you may want to 1. Disengage the PTO, move the motion control keep extra blades on hand. - Page 54 (Figure 74). Measure from a safety conformance of the machine, use genuine level surface to the cutting edge, position A, of Toro replacement blades. Replacement blades the blades (Figure 74). Note this dimension. made by other manufacturers may result in non-conformance with safety standards.
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Page 55: Replacing The Grass Deflector
Replacing the Grass (Figure 77). Repeat this procedure until the Deector blade is balanced. An uncovered discharge opening could allow the lawn mower to throw objects in Figure 76 the operator’s or bystander’s direction and 1. Blade 2. Balancer result in serious injury. Also, contact with the blade could occur. -
Page 56: Cleaning
Unit could fall onto someone and cause serious injury or death. • Use extreme caution when operating unit on Z Stand. • Use only for cleaning mower and removing blades. • Do not keep unit on Z Stand for extended periods of time. •... -
Page 57: Storage
Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times. 1. Disengage the power take off (PTO), set the parking brake and turn the ignition key to off. B. Run engine to distribute conditioned fuel Remove spark plug wire. -
Page 58: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control (PTO) is 1. Move blade control engaged. (PTO) to disengaged. 2. Parking brake is not on. 2. Set the parking brake. 3. Operator is not seated. 3. Sit on the seat. 4. - Page 59 Problem Possible Cause Corrective Action Engine overheats. 1. Engine load is excessive. 1. Reduce the ground speed. 2. Oil level in the crankcase 2. Add oil to the crankcase. is low. 3. Cooling ns and air 3. Remove the obstruction passages above the from the cooling ns and engine are plugged.
- Page 60 Problem Possible Cause Corrective Action Blades do not rotate. 1. Drive belt is worn, loose 1. Check the belt tension. or broken. 2. Drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position.
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Page 61: Schematics
Schematics Wiring Diagram (Rev. I) - Page 63 The use of any add-on or modied parts will be grounds for disallowing a warranty claim made in accordance with this article. The Toro® Company will not be liable under this Article to warrant failures of warranted parts caused by the use of an add-on or modied part.
- Page 64 (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.