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Toro 74272CP Operator's Manual

With 60in or 72in turbo force side discharge mower
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Form No. 3357-794 Rev A
Z558 Z Master, with 60in
or 72in TURBO FORCE® Side
Discharge Mower
Model No. 74272CP—Serial No. 270002001 and Up
Model No. 74273CP—Serial No. 270002001 and Up
Register your product at www.Toro.com
Original Instructions (EN)

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  • Page 1 Form No. 3357-794 Rev A Z558 Z Master, with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74272CP—Serial No. 270002001 and Up Model No. 74273CP—Serial No. 270002001 and Up Register your product at www.Toro.com Original Instructions (EN)

  • 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 Cleaning the Engine Screen and the System (ROPS)....16 Oil Cooler ......41 Think Safety First ......17 Cleaning the Engine Fins ....42 Operating the Parking Brake ....18 Brake Maintenance ........42 Starting and Stopping the Adjusting the Parking Brake ....

  • 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 • 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.

  • 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 103-5881 107-1621 105-7798 107-1857 105-7797 110-2067...
  • Page 10 110-2068 1. Read the Operator’s Manual. 107-1861 107-2112 107-1864 107-1613 107-1860...
  • Page 11 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 12 110-5731 1. Engine—stop 5. Continuous variable setting 2. Engine—run 6. Slow 3. Engine—start 7. Power take-off (PTO) 4. Fast 106-7492...
  • Page 13 106-9989 107-8076 1. Fast 2. Slow 3. Neutral 4. Reverse...

  • Page 14: 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 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 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 17: Think Safety First

    4. To raise the roll bar, remove the hairpin cotter pins and remove the two pins (Figure 6). Operating on wet grass or steep slopes can 5. Raise the roll bar to the upright position and cause sliding and loss of control. install the two pins and secure them with the hairpin cotter pins (Figure 6).

  • Page 18: Operating The Parking Brake

    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. Wear protective equipment for your eyes, ears, feet, and head when using this machine. Figure 9 1.
  • Page 19 Note: A warm or hot engine may not require choking. After engine starts, move choke control to Run position. Figure 13 3. Start 1. Off 2. Run 7. After the engine starts, move the choke to off (Figure 11). If the engine stalls or hesitates, move the choke back to on for a few seconds, then move the throttle lever to desired setting.

  • Page 20: Operating The Power Take Off

    The Safety Interlock System Operating the Power Take Off (PTO) The power take off (PTO) switch starts and stops If safety interlock switches are disconnected the mower blades and any powered attachments. or damaged the machine could operate Engaging the PTO unexpectedly causing personal injury.

  • Page 21: Driving Forward Or Backward

    PTO and rise slightly from the seat; the engine The farther you move the traction control should stop. levers in either direction, the faster the machine will move in that direction. 4. Sitting on the seat, engage the parking brake, move the PTO switch to off and move the To stop, pull the motion control levers to the motion control levers to neutral lock position.

  • Page 22: Stopping The Machine

    Stopping the Machine by relocating the clevis pin into different hole locations. To stop the machine, move the traction control 1. Raise the height-of-cut lever to the transport levers to neutral and move to locked position, position (also the 5 inch (127 mm) cutting disengage the power take off (PTO), and turn the height position) (Figure 17).

  • Page 23: Adjusting The Flow Baffle

    Figure 19 1. Outer roller 4. Bolt Figure 18 2. Spacer 5. Nut 3. Bushing 1. Outer roller 4. Bolt 2. Spacer 5. Nut 3. Bushing 4. Select a hole so that the center rollers are positioned to the nearest corresponding 4.

  • Page 24: Positioning The Flow Baffle

    This is the full rear position. The suggested use • This position is similar to the benefits of the for this position is a follows (Figure 21). Toro SFS mower. • Use for short, light grass mowing conditions. • Use in dry conditions.

  • Page 25: Using The Lift Assist Lever

    Using the Lift Assist Lever The lift assist lever is used along with the height-of-cut lever for raising the mower. This allows for easier raising of the mower. 1. Place your foot onto lift assist lever. 2. Press on the lift assist lever while pulling up on the height-of-cut lever (Figure 24).

  • Page 26: Unlatching The Seat

    Pushing the Machine by Hand Important: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. Pushing the Machine 1. Disengage the power take off (PTO) and turn the ignition key to off. Move the levers to neutral locked position and apply parking brake.

  • Page 27: Using The Side Discharge

    Using the Side Discharge Important: Do not use the motion control levers as anchors for tieing the The mower has a hinged grass deflector that machine down. disperses clippings to the side and down toward • Secure a trailer to the towing vehicle with the turf.

  • Page 28: Using The Z Stand

    Using the Z Stand® The Z Stand raises the front end of the machine Loading a unit onto a trailer or truck to allow you to clean the mower and remove the increases the possibility of backward blades. tip-over and could cause serious injury or death.

  • Page 29: Operating Tips

    Figure 31 1. Z Stand (Positioned in slot) 3. Latch resting on pivot tab 2. Crack in side walk or turf Figure 32 1. Z Stand 3. Locked position 4. Set the foot of stand on the ground and rest 2.
  • Page 30 If a blade is Mow at Correct Intervals damaged or worn, replace it immediately with a genuine TORO replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times.

  • Page 31: Maintenance

    Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the rst 8 operating • Check the hydraulic uid level. hours After the rst 25 • Change the hydraulic lter and oil. operating hours • Check the safety interlock system. •...

  • Page 32: Lubrication

    Lubrication Greasing and Lubrication Lubricate the machine when shown on the Check Service Reference Aid decal (Figure 33). 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 33: Engine Maintenance

    6. Remove the safety filter only if you intend to replace it. Never attempt to clean the safety filter. If the safety filter is dirty, then the primary filter is damaged and you should replace both filters. 7. Inspect the primary filter for damage by looking into the filter while shining a bright light on the outside of the filter.

  • Page 34: Servicing The Engine Oil

    3. Carefully slide the primary filter over the safety filter (Figure 35). Ensure that it is fully seated by pushing on the outer rim of the filter while installing it. Note: Do not press on the soft inside area of the filter. 4.

  • Page 35: Servicing The Spark Plug

    Note: Dispose of the used oil at a recycling center. Figure 39 1. Engine oil lter 3. Pour new oil of the proper type into the center hole in the new oil filter. Stop pouring when the oil reaches the bottom of the threads. Allow a minute or two for the oil to be absorbed by filter material.

  • Page 36: 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 42 the parking brake.

  • Page 37: Servicing The Fuel Tank

    4. Loosen the hose clamp at the fuel filter and slide it up the fuel line away from the fuel filter (Figure 43). 5. Disconnect the fuel line from the fuel filter (Figure 43). 6. Open the fuel shutoff valve. Note: Allow gasoline to drain into a fuel container can or drain pan (Figure 43).
  • Page 38 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.

  • Page 39: 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 46). Never smoke near the battery and keep sparks and flames away from battery.

  • Page 40: 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 48). Adjusting the Tracking Maintain the air pressure in the rear tires at 13 psi Note: Determine the left and right sides of the (90 kPa).

  • Page 41: Adjusting The Caster Pivot

    Figure 49 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 49). Figure 50 6.

  • Page 42: Cleaning The Engine Fins

    Figure 51 Figure 53 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 3. If adjustment is necessary, loosen the jam nut Every 100 hours clean the engine cylinder and below the spring and tighten the nut directly cylinder head cooling fins.
  • Page 43 the mower belt if any of these conditions are evident. 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.

  • Page 44: Adjusting The Mower Belt

    Adjusting the Mower Belt Tension 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.

  • Page 45: Replacing The Pump Drive

    Controls System Maintenance Adjusting the Control Handle Neutral Position If motion control levers do not align, or move easily into the console notch, adjustment is required. Adjust each lever, spring and rod separately. Note: Motion control levers must be installed Figure 59 correctly.

  • Page 46: Hydraulic System Maintenance

    centered allowing lever to pivot outward to the • Before the engine is first started. neutral lock position. • After the first 8 operating hours. 8. If adjustment is needed, loosen the nut and • After every 25 operating hours. jam nut against the yoke (Figure 62).

  • Page 47: 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 64 may result if this is not done.

  • Page 48: 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 49 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.

  • Page 50: Mower Deck Maintenance

    Note: Adjust the rear chains to the top of the 6. Tighten the locknuts at the ball joints (Figure 67). slot, where they are attached to the mower. • 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.
  • Page 51 Figure 69 Figure 70 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.

  • Page 52: Servicing The Cutting Blades

    2. Check the distance between the two large genuine Toro replacement blade. For convenient washers, it needs to be 11-1/8 inches (28.2 cm) sharpening and replacement, you may want to for 52 inch mower decks, 10-1/2 inches keep extra blades on hand.
  • Page 53 A, of safety conformance of the machine, use genuine the blades (Figure 73). 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 54: 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 74). Maintain the Figure 76 original angle.

  • Page 55: Cleaning

    Important: The grass deflector must be able to lower down into position. Lift the deflector up to test that it lowers into the full down position. Figure 77 1. Bolt 5. Spring installed 2. Spacer 6. Grass Deector 3. Locknut 7.

  • Page 56: 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 57: 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 58 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 59 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.

  • Page 60: Schematics

    Schematics Wire Diagram (Rev. A)
  • Page 63 The use of any add-on or modied 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 modied part.
  • Page 64 (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.

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