Toro 74237 Operator'S Manual Download

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Form No. 3357-688 Rev A

Z528 Z Master, With 52in or

60in 7-Gauge Side Discharge

Mower

Model No. 74237—Serial No. 270000001 and Up
Model No. 74237CP—Serial No. 270000001 and Up
Model No. 74238—Serial No. 270000001 and Up
Model No. 74238CP—Serial No. 270000001 and Up

Original Instructions (EN)

Summary of Contents for 74237

Page 1: ...uge Side Discharge Mower Model No 74237 Serial No 270000001 and Up Model No 74237CP Serial No 270000001 and Up Model No 74238 Serial No 270000001 and Up Model No 74238CP Serial No 270000001 and Up Reg...

Page 2: ...com for product and accessory information help nding a dealer or to register your product Whenever you need service genuine Toro parts or additional information contact an Authorized Service Dealer or...

Page 3: ...ystem Maintenance 33 Servicing the Battery 33 Servicing the Fuses 35 Drive System Maintenance 36 Adjusting the Tracking 36 Checking the Tire Pressure 36 Checking the Wheel Hub Slotted Nut 36 Adjusting...

Page 4: ...cessories and attachments approved by the manufacturer Wear appropriate clothing including hard hat safety glasses and hearing protection Long hair loose clothing or jewelry may get tangled in moving...

Page 5: ...ansfer to the front wheels may cause drive wheels to slip and cause loss of braking and steering Always avoid sudden starting or stopping on a slope If tires lose traction disengage the blades and pro...

Page 6: ...y replace blades Never straighten or weld them Keep hands and feet away from moving parts If possible do not make adjustments with the engine running Charge batteries in an open well ventilated area a...

Page 7: ...Slope Chart 7...

Page 8: ...fety 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 1 523552 1 633462 1 643339 54 9220...

Page 9: ...98 4387 1 Warning wear hearing protection 98 5954 103 5881 105 7798 107 1613 107 1621 107 1857 9...

Page 10: ...107 1860 107 1861 107 1864 107 2102 10...

Page 11: ...other injuries 3 Caustic liquid chemical burn hazard 8 Battery acid can cause blindness or severe burns 4 Wear eye protection 9 Flush eyes immediately with water and get medical help fast 5 Read the O...

Page 12: ...106 7492 106 9989 107 8076 1 Fast 2 Slow 3 Neutral 4 Reverse 12...

Page 13: ...iar with all the controls before you start the engine and operate the machine Figure 3 and Figure 4 Figure 4 1 Gas cap 4 Throttle 2 Choke 5 Power take off PTO 3 Ignition switch 6 Hour meter Hour Meter...

Page 14: ...em in place and in proper working condition In certain conditions during fueling static electricity can be released causing a spark which can ignite the gasoline vapors A re or explosion from gasoline...

Page 15: ...ecking the Oil Level in Engine Maintenance page 29 Using the Rollover Protection System ROPS To avoid injury or death from rollover keep the roll bar in the raised locked position and use the seat bel...

Page 16: ...mbols in the safety section Knowing this information could help you or bystanders avoid injury Operating on wet grass or steep slopes can cause sliding and loss of control Wheels dropping over edges c...

Page 17: ...tion 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 rmly in the engaged...

Page 18: ...t Figure 14 When the engines starts release the key Important Do not engage starter for more than 10 seconds at a time If engine fails to start allow 30 second cool down period between attempts Failur...

Page 19: ...elease the pressure on the traction control levers and place in neutral 3 Place the throttle in the fast position Note Engaging the PTO with the throttle at the half or less position will cause excess...

Page 20: ...everse the engine should stop Repeat for other motion control 5 Sitting on the seat disengage the parking brake move the PTO switch to off and move the motion control levers to neutral lock position T...

Page 21: ...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...

Page 22: ...y and wait for all moving parts to stop before leaving the operating position 3 After adjusting the height of cut remove the ange nut bushing spacer and bolt Figure 19 Figure 19 1 Outer roller 4 Bolt...

Page 23: ...ve the best control of the machine and are most comfortable Important To adjust move the lever sideways to unlock seat Figure 21 Slide the seat to the desired position and release lever to lock in pos...

Page 24: ...cause injury or death Never remove the grass de ector from the mower because the grass de ector routes material down toward the turf If the grass de ector is ever damaged replace it immediately Never...

Page 25: ...the unit moves from ramp to trailer or truck Steeper angles may also cause the unit to tip backward If loading on or near a slope position the trailer or truck so it is on the down side of the slope a...

Page 26: ...frequently If you cannot mow for an extended period rst mow at a high cutting height then mow again two days later at a lower height setting Cutting Speed To improve cut quality use a slower ground s...

Page 27: ...ce the primary air lter more often in duty or sandy conditions Every 500 hours Check the wheel hub slotted nut Adjust the caster pivot bearing Every 600 hours Replace the safety air lter more often in...

Page 28: ...grease zerk into the hole 3 Pump grease into the zerk until it oozes out around the top bearing 4 Remove the grease zerk in the hole Install the hex plug and cap Where to Add Grease Lubricate the gre...

Page 29: ...the primary lter out of the air cleaner body Figure 27 Avoid knocking the lter into the side of the body 6 Remove the safety lter only if you intend to replace it Never attempt to clean the safety lte...

Page 30: ...all moving parts to stop before leaving the operating position 3 Clean around the oil dipstick Figure 29 so dirt cannot fall into engine Figure 29 1 Dipstick end 3 Filler cap 2 Dipstick 4 Pull the oil...

Page 31: ...Figure 31 Figure 31 1 Engine oil lter 3 Pour new oil of the proper type into the center hole in the new oil lter Stop pouring when the oil reaches the bottom of the threads Allow a minute or two for t...

Page 32: ...ir cleaner is dirty Important Never clean the spark plug s Always replace the spark plug s when it has a black coating worn electrodes an oily lm or cracks Figure 34 1 Canter electrode insulator 3 Air...

Page 33: ...otion 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 3 Close fuel...

Page 34: ...ked 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 3 Unlatch the seat and tilt the seat up 4 First disc...

Page 35: ...sconnect the charger leads from the battery posts Fig 67 Figure 38 4 Install the battery in the machine and connect the battery cables refer to Installing the Battery Note Do not run the machine with...

Page 36: ...rds the left side of the machine Figure 40 1 Pump rod 3 Tracking knob 2 Turn this way to track left 4 Turn this way to track right 5 Repeat this adjustment until the tracking is correct Checking the T...

Page 37: ...he 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 3 Remove...

Page 38: ...ry loosen the jam nut below the spring and tighten the nut directly below the yoke Figure 46 Turn the nut until the correct measurement is obtained Tighten the two nuts together and repeat on opposite...

Page 39: ...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 l...

Page 40: ...rdware securely Figure 49 11 If the idler plate contacts the end of the adjustment slot and more belt tension is required a small change to the right side xed idler can create more belt tension adjust...

Page 41: ...pring Figure 53 7 Check where the control lever is relative to notch in console Figure 53 It should be centered allowing lever to pivot outward to the neutral lock position 8 If adjustment is needed l...

Page 42: ...operating and is being scrapped If the switch is damaged or broken open use extreme caution in handling Call your local waste management authority or Toro Customer Service for instructions The mercury...

Page 43: ...rst 25 operating hours Change yearly after the rst 25 operating hours Use summer lter above 32 F 0 C Use winter lter below 32 F 0 C 1 Disengage the PTO move the motion control levers to the neutral l...

Page 44: ...eep areas around the hydraulic system clean from grass and debris build up Hydraulic uid escaping under pressure can penetrate skin and cause injury If hydraulic uid is injected into the skin it must...

Page 45: ...rse Figure 58 Figure 58 1 Tracking knob 3 Adjustment bolt 2 Pump rod 4 Yoke 3 Move the motion control lever forward and reverse then back to neutral The wheel must stop turning or slightly creep in re...

Page 46: ...d position and set the parking brake 3 Stop the engine remove the key and wait for all moving parts to stop before leaving the operating position 4 Check tire pressure of all four tires If needed adju...

Page 47: ...Measure the right blade at the A location from a level surface to the cutting edge of the blade tip Figure 62 3 Record this measurement 4 Measure the right blade at the B location from a level surfac...

Page 48: ...redding the grass blades Tearing and shredding turns grass brown at the edges which slows growth and increases the chance of disease Check the cutter blades daily for sharpness and for any wear or dam...

Page 49: ...m If this dimension exceeds 1 8 inch 3 mm the blade is bent and must be replaced refer to Removing the Blades and Installing the Blades A blade that is bent or damaged could break apart and could seri...

Page 50: ...lling the Blades 1 Install the blade onto the spindle shaft Figure 68 Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting 2 Install t...

Page 51: ...de ector up to test that it lowers into the full down position Cleaning Cleaning Under the Mower Remove the grass buildup under the mower daily 1 Disengage the PTO move the motion control levers to th...

Page 52: ...Prepare the machine for storage when non use occurs over 30 days Prepare machine for storage as follows A Add a petroleum based stabilizer conditioner to fuel in the tank Follow mixing instructions f...

Page 53: ...ils to keep running 4 Dirt water or stale fuel is in the fuel system 4 Contact an Authorized Service Dealer 1 Engine load is excessive 1 Reduce the ground speed 2 Air cleaner is dirty 2 Clean the air...

Page 54: ...ounting bolts are loose 3 Tighten the engine mounting bolts 4 Loose engine pulley idler pulley or blade pulley 4 Tighten the appropriate pulley 5 Engine pulley is damaged 5 Contact an Authorized Servi...

Page 55: ...rive belt and check adjusting shafts and belt guides for correct position 3 Deck belt is worn loose or broken 3 Install new deck belt 4 Deck belt is off pulley 4 Install deck pulley and check the idle...

Page 56: ...Schematics Wire Diagram Rev A 56...

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Page 59: ...heduled for replacement as required maintenance in the written instructions must be warranted for the warranty period of two years If any such part fails during the period of warranty coverage it must...

Page 60: ...maintenance service or parts such as lters fuel lubricants tune up parts blade sharpening brake and clutch adjustments Any product or part which has been altered or misused or required replacement or...

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