Table of Contents
Related Manuals for Toro 74248
Summary of Contents for Toro 74248
- Page 1 Form No. 3356-185 Rev B Z500 Z Master, With 52in or 60in 7-Gauge Side Discharge Mower Model No. 74248—Serial No. 270000001 and Up Model No. 74249—Serial No. 270000001 and Up Register your product at www.Toro.com Original Instructions (EN)
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Page 2: Table Of Contents
finding a dealer, or to register your product. Contents Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have Introduction ............2 the model and serial numbers of your product Safety ..............4 ready. - Page 3 Using the Rollover Protection Adjusting the Parking Brake ....38 System (ROPS)....15 Belt Maintenance........38 Think Safety First ......16 Replacing the Mower Belt ....38 Operating the Parking Brake ....17 Replacing the Pump Drive Starting and Stopping the Belt ........
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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 owner can result in injury. To reduce the potential used and remove all objects such as rocks, toys for injury, comply with these safety instructions and wire which can be thrown by the machine. -
Page 5: Slope Operation
• Keep hands and feet away from the cutting • Always avoid sudden starting or stopping on units. a slope. If tires lose traction, disengage the blades and proceed slowly off the slope. • Never carry passengers and keep pets and bystanders away. - 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. 1-403005 54-9220 1-523552 58-6520 1. Grease 1-633462 66-1340 1-643339 68-8340... - Page 9 98-4387 1. Warning—wear hearing protection. 98-5954 107-1687 103-5881 104-8569 107-1857 105-7798 107-1613...
- Page 10 107-1864 107-1860 107-2102 107-1861...
- Page 11 Manufacturer’s Mark 1. Indicates the blade is identied as a part from the original machine manufacturer. 107-2112 108-5278 1. Read the Operator’s Manual. 110-5731 1. Engine—stop 5. Continuous variable setting 2. Engine—run 6. Slow 3. Engine—start 7. Power take-off (PTO) 4.
- Page 12 106-7492 106-9989 107-8076 1. Fast 4. Reverse 2. Slow 3. Neutral...
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Page 13: Product Overview
Product Overview Controls Become familiar with all the controls before you start the engine and operate the machine (Figure 3 and Figure 4). Figure 4 Figure 3 1. Gas cap 4. Throttle 1. Motion control lever 5. Controls 2. Choke 5. -
Page 14: 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 15: Checking The Engine Oil Level
• Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel There is no rollover protection when the roll system, which causes hard starting bar is in the down position. Important: Do not use fuel additives •... -
Page 16: Think Safety First
Think Safety First 5. To raise the roll bar, remove the hairpin cotter pins and remove the two pins (Figure 6). Please read all safety instructions and symbols 6. Raise the roll bar to the upright position and in the safety section. Knowing this information install the two pins and secure them with the could help you or bystanders avoid injury. -
Page 17: Operating The Parking Brake
Setting the Parking Brake 1. Move the motion control levers (Figure 16) out to the neutral lock position. 2. Pull up and back on the parking brake lever to set the parking brake (Figure 10). The parking brake lever should stay firmly in the engaged position. -
Page 18: Stopping The Engine
3. Move the PTO (power take off) switch to the Off position (Figure 11). Figure 13 Figure 11 1. Throttle—fast 2. Throttle—slow 1. PTO—on 2. PTO—off 6. Turn the ignition key to Start (Figure 14). 4. Move the choke control to the on position When the engines starts, release the key. -
Page 19: Operating The Power Take Off
4. Turn the ignition key to the off position and remove the key (Figure 14). 5. Close the fuel shut off valve before transporting or storing the machine. Refer to Fuel System Maintenance, page 32. Important: Make sure that the fuel shut off valve is closed before transporting or storing the machine, as fuel leakage may occur. -
Page 20: Driving Forward Or Backward
engaged or if you rise from the seat when the PTO is engaged. Machine can spin very rapidly. Operator Testing the Safety Interlock System may lose control of machine and cause personal injury or damage to machine. Test the safety interlock system before you use •... -
Page 21: Stopping The Machine
Set the parking brake when you leave the machine; refer to Setting the Parking Brake. Remember to remove the key from the ignition switch. Children or bystanders may be injured if they move or attempt to operate the tractor 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. -
Page 22: Adjusting The Anti-Scalp
Figure 18 1. Height of cut lever 2. Clevis Pin Figure 19 2. To adjust, remove the clevis pin from the 1. Outer roller 4. Bolt height-of-cut bracket (Figure 18). 2. Spacer 5. Nut 3. Bushing 3. Select a hole in the height-of-cut bracket corresponding to the height-of-cut desired and, insert the clevis pin (Figure 18). -
Page 23: Positioning The Seat
Figure 21 Figure 20 1. Adjustment lever 1. Outer roller 4. Bolt 2. Spacer 5. Nut 3. Bushing Unlatching the Seat 4. Select a hole so that the center rollers are positioned to the nearest corresponding Push the seat latch rearward to unlatch the seat. height-of-cut desired (Figure 20). -
Page 24: Using The Side Discharge
to neutral locked position and apply parking brake. Remove the key. Without the grass deflector, discharge 2. Rotate the by-pass valves counterclockwise cover, or complete grass catcher assembly 1 turn to push. This allows hydraulic fluid to mounted in place, you and others are by-pass the pump enabling the wheels to turn exposed to blade contact and thrown debris. -
Page 25: 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 26: Operating Tips
If a blade is damaged or worn, replace it immediately with a Mow at Correct Intervals genuine TORO replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times. -
Page 27: Maintenance
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. 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 interlock system. •... - Page 28 How to Grease 1. Disengage the PTO, move the motion control levers to the neutral locked position 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.
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Page 29: Engine Maintenance
5. Gently slide the primary filter out of the air cleaner body (Figure 27). Avoid knocking the filter into the side of the body. 6. Remove the safety filter only if you intend to replace it. Never attempt to clean the safety filter. -
Page 30: Servicing The Engine Oil
2. If the safety filter is being replaced, carefully 3. Clean around the oil dipstick (Figure 29) so slide it into the filter body (Figure 27). dirt cannot fall into engine. 3. Carefully slide the primary filter over the safety filter (Figure 27). -
Page 31: Servicing The Spark Plug
7. When oil has drained completely, close the drain valve. 8. Remove the drain hose (Figure 30). Note: Dispose of the used oil at a recycling center. Figure 31 1. Engine oil lter 3. Pour new oil of the proper type into the center hole in the new oil filter. -
Page 32: Fuel System Maintenance
tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. • Type: NGK ® BPR4ES or equivalent • Air Gap: 0.030 inch (0.75 mm) Removing the Spark Plug 1. Disengage the PTO, move the motion control levers to the neutral locked position and set Figure 34 the parking brake. -
Page 33: Draining The Fuel Tank
3. Close fuel shut-off valve (Figure 36). Figure 35 Figure 36 1. Filter 3. Fuel shut-off valve 2. Hose clamp 1. Filter 3. Hose clamp 2. Fuel shut-off valve 5. Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 35). 4. -
Page 34: Removing The Battery
5. Slide the red terminal boot off the positive (red) battery terminal. Then remove the positive (red) battery cable (Figure 37). Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Do not drink electrolyte and avoid contact with skin, eyes or clothing. -
Page 35: Servicing The Fuses
Charging the Battery The fuses are as follows: • Main F1-30 amp, blade-type • Alternator F2-25 amp, blade-type Charging the battery produces gasses that 1. Unlatch the seat and raise the seat to gain can explode. access to fuse holder (Figure 39). Never smoke near the battery and keep sparks and flames away from battery. -
Page 36: 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 41). 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 37: Adjusting The Caster Pivot
Figure 42 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 42). Figure 43 6. -
Page 38: Cleaning The Engine Fins
Figure 44 Figure 46 1. Oil cooler 1. Brake lever 4. Collar on brake rod 2. Spring (2-3/4 inches/70 5. 3/16–1/4 inch (5–7 mm) 3. Adjusting nuts 6. Jam nut and yoke Cleaning the Engine Fins Every 100 hours clean the engine cylinder and 3. -
Page 39: Replacing The Pump Drive
2. Stop the engine, remove the key, and wait for 4. Loosen the fixed idler arm and adjust it to all moving parts to stop before leaving the relieve the belt tension on the fixed idler pulley operating position. (Figure 47). 3. -
Page 40: Controls System Maintenance
Figure 49 2. Install new belt around engine and hydro pump Figure 50 pulleys (Figure 49). 1. Neutral locked position 3. Neutral position 2. Control lever 3. Pull spring loaded idler down and align below traction belt. Release the pressure on the spring loaded idler (Figure 49). -
Page 41: Mercury Tilt Switch
Management and disposal practices must be within relevant federal, state or local laws. Return the switch to your Toro dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. -
Page 42: Replacing The Hydraulic Filter And Oil
Note: There are two ways of checking the hydraulic oil. One is when the oil is warm and one is when the oil is cold. The baffle inside the tank Hydraulic fluid escaping under pressure has two levels depending if the oil is warm or cold. can penetrate skin and cause injury. -
Page 43: Bleeding The Hydraulic System
Bleeding the Hydraulic System The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. 1. Raise rear of the machine so wheels are off the ground and support with jack stands. -
Page 44: Setting The Hydraulic Pump
This adjustment must be made with drive wheels turning. Hydraulic fluid escaping under pressure can 1. Raise the frame and use jack stands to hold up penetrate skin and cause injury. the machine so drive wheels can rotate freely. • If hydraulic fluid is injected into the skin 2. - Page 45 Figure 55 1. Tracking knob 3. Adjustment bolt Figure 56 2. Pump rod 4. Yoke 1. Clevis pin in slot 7. Spring 2. Nut against yoke 8. Pivot shaft 3. Adjustment bolt 9. Yoke 3. Move the motion control lever forward and 4.
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Page 46: Mower Deck Maintenance
• If one rear chain is loose, lower (loosen) the front support arm on the same side. Refer to Adjusting the Front-to-Rear Mower Electrical system will not perform proper Pitch. safety shut off with jumper wire installed. • If one front chain is loose, raise (tighten) •... - Page 47 Figure 58 Figure 59 1. Rear chain 5. Adjustment bolt 2. Rear support arm 6. Front swivel 3. Bolt 7. Front support arm 1. Measure here from blade 2. Measure at A and B 4. Jam Nut to hard surface 8.
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Page 48: Servicing The Cutting Blades
Adjusting the Compression Spring damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient 1. Raise the mower lift lever to the transport sharpening and replacement, you may want to position. keep extra blades on hand. -
Page 49: Removing The Blades
A, of safety conformance of the machine, use genuine the blades (Figure 62). Note this dimension. Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. Contact with a sharp blade can cause serious injury. -
Page 50: Replacing The Grass Deflector
Sharpening the Blades When sharpening blade, pieces of blade could be thrown and cause serious injury. Wear proper eye protection when sharpening blade. 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 63). Maintain the Figure 65 original angle. -
Page 51: Cleaning
Figure 66 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deector 3. Locknut 7. Place behind deck edge before installing bolt 4. Spring 8. Hook end of spring 2. Remove the damaged or worn grass deflector. 3. Install the bolt and nut. 4. -
Page 52: Storage
Storage stabilizer manufacture. Do not use an alcohol based stabilizer (ethanol or methanol). 1. Disengage the power take off (PTO), set the Note: A fuel stabilizer/conditioner is parking brake and turn the ignition key to off. Remove spark plug wire. Remove the key. most effective when mixed with fresh gasoline and used at all times. -
Page 53: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control (PTO) is 1. Move blade contro (PTO) engaged. 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 54 Problem Possible Cause Corrective Action Machine does not drive. 1. By pass valve is not 1. Tighten the by pass closed tight. valve. 2. Drive or pump belt is 2. Change the belt. worn, loose or broken. 3. Drive or pump belt is off 3.
- Page 55 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 56: Schematics
Schematics Wire Diagram (Rev. A) - Page 59 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.
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Page 60: The Toro Total Coverage Guarantee
If for any reason you are dissatisfied with your Distributor’s service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.