Toro Z Master 74923 Operator'S Manual Download

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Form No. 3361-311 Rev D

Z Master G3 with a 48in, 52in,
60in or 72in TURBO FORCE

Side Discharge Mower

Model No. 74917—Serial No. 290000001 and Up

Model No. 74921—Serial No. 290000001 and Up

Model No. 74923—Serial No. 290000001 and Up

Model No. 74925—Serial No. 290000001 and Up

Model No. 74927—Serial No. 290000001 and Up

Model No. 74935—Serial No. 290000001 and Up

Model No. 74937—Serial No. 290000001 and Up

To register your product or download an

Operator's Manual

Parts Catalog

at no charge, go to www.Toro.com.

Original Instructions (EN)

Summary of Contents for Z Master 74923

Page 1: ...No 290000001 and Up Model No 74923 Serial No 290000001 and Up Model No 74925 Serial No 290000001 and Up Model No 74927 Serial No 290000001 and Up Model No 74935 Serial No 290000001 and Up Model No 749...

Page 2: ...o learn how to operate and maintain your product properly and to avoid injury and product damage You are responsible for operating the product properly and safely You may contact Toro directly at www...

Page 3: ...Replacing the Fuel Filter 38 Servicing the Fuel Tank 38 Electrical System Maintenance 39 Servicing the Battery 39 Servicing the Fuses 41 Drive System Maintenance 41 Checking the Seat Belt 41 Checking...

Page 4: ...the area where the equipment is to be used and remove all objects such as rocks toys and wire which can be thrown by the machine Use extra care when handling gasoline and other fuels They are flammab...

Page 5: ...hat the seat belt can be released quickly in the event of an emergency Be aware there is no rollover protection when the roll bar is down Check the area to be mowed and never fold the ROPS in areas wh...

Page 6: ...Slope Chart 6...

Page 7: ...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 54 9220 58 6520 1 Grease 66 1340 68...

Page 8: ...107 2102 107 2112 109 7232 109 7304 109 7929 109 9477 8...

Page 9: ...ead the Operator s Manual 114 4466 1 Main 25A 3 Charge 25A 2 PTO 10A 4 Auxiliary 15A 114 9834 1 Power Take off PTO 4 Continuous variable setting 2 Choke 5 Slow 3 Fast 115 7445 1 Grease pulleys 2 Maint...

Page 10: ...116 0090 116 0157 116 0165 116 0166 116 0205 Manufacturer s Mark 1 Indicates the blade is identified as a part from the original machine manufacturer 109 7069 10...

Page 11: ...he indicator light appears when the fuel level is low approximately one gallon remaining in the fuel tank Safety Interlock Indicators There are symbols on the hour meter and the indicate with a black...

Page 12: ...accessories Specifications Note Specifications and design are subject to change without notice Width 48 inch Deck 52 inch Deck Without Deck 45 7 inches 116 1 cm 45 7 inches 116 1 cm Deflector Up 54 in...

Page 13: ...conditions during fueling static electricity can be released causing a spark which can ignite the gasoline vapors A fire or explosion from gasoline can burn you and others and can damage property Alw...

Page 14: ...op full power Mower decks and drive systems have higher friction when new placing additional load on the engine Allow 40 to 50 hours of break in time for new machines to develop full power and best pe...

Page 15: ...n the raised position Think Safety First Please read all safety instructions and symbols in the safety section Knowing this information could help you or bystanders avoid injury Operating on wet grass...

Page 16: ...feet and head is recommended G009027 1 2 Figure 9 1 Wear safety glasses 2 Wear hearing protection Operating the Parking Brake Always set the parking brake when you stop the machine or leave it unatten...

Page 17: ...use the choke to start the engine 2 Pull up on the choke knob to engage the choke before using the ignition switch Figure 15 3 Push down on the choke to disengage the choke after the engine has start...

Page 18: ...ontrols to neutral locked position 3 Set the parking brake refer to Setting the Parking Brake 4 Move the blade control switch PTO to the Off position Figure 18 5 Move the throttle lever midway between...

Page 19: ...ion switch off Figure 20 Important Make sure that the fuel shut off valve is closed before transporting or storing the machine as fuel leakage may occur Set the parking brake before transporting Make...

Page 20: ...ke and move the blade control switch PTO to off Move either motion control lever out of neutral locked position Try starting the engine the engine should not crank Repeat for other control lever 3 Sit...

Page 21: ...rake engaged To stop pull the motion control levers to the neutral position 1 Release the parking brake refer to Releasing the Parking Brake in Operation 2 Move the levers to the center unlocked posit...

Page 22: ...sitions and is used with the deck lift pedal There is a lock position and a unlock position for the transport position The transport lock is used with the deck lift pedal Refer to Figure 25 Figure 25...

Page 23: ...the height of cut it is recommended to adjust the height of the anti scalp rollers 1 Disengage the blade control switch PTO move the motion control levers to the neutral locked position and set the p...

Page 24: ...e into place or it is too tight loosen the lever and then rotate the cam lock Adjust the cam lock until the desired locking pressure is achieved G008961 1 2 3 4 Figure 30 1 Unlock lever 3 Position the...

Page 25: ...eel release valves The engine and hydraulic drive units can become very hot Touching a hot engine or hydraulic drive units can cause severe burns Allow the engine and hydraulic drive units to cool com...

Page 26: ...n key to off and remove the key Make sure the grass deflector is in the down position Transporting Machines Use a heavy duty trailer or truck to transport the machine Ensure that the trailer or truck...

Page 27: ...p angle The trailer or truck should be as level as possible Important Do Not attempt to turn the unit while on the ramp you may lose control and drive off the side Avoid sudden acceleration when drivi...

Page 28: ...frequently If you cannot mow for an extended period first 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...

Page 29: ...spark plug Check and clean engine cooling fins and shrouds Every 200 hours Lubricate the brake handle pivot with light oil Change the engine oil filter Every 250 hours Replace the primary air filter...

Page 30: ...with a rag Make sure to scrape any paint off the front of the fitting s 4 Connect a grease gun to the fitting Pump grease into the fittings until grease begins to ooze out of the bearings 5 Wipe up a...

Page 31: ...top bearing 9 Remove the grease zerk in the hole Install the hex plug and dust cap Figure 42 Figure 42 Lubricate Caster Wheel Hubs Service Interval Yearly 1 Stop the engine wait for all moving parts...

Page 32: ...there is a slight amount of drag Reapply thread locking adhesive Engine Maintenance Contact with hot surfaces may cause personal injury Keep hands feet face clothing and other body parts away the muf...

Page 33: ...filter 4 Install the air cleaner cover with the breather cap down and rotate so the retaining clamps lock the cover in place Figure 44 Servicing the Engine Oil Note There are different oil capacities...

Page 34: ...rs more often in dirty or dusty conditions Note Dispose of the used oil at a recycling center 1 Start the engine and let it run five minutes This warms the oil so it drains better 2 Park the machine s...

Page 35: ...Filter Service Interval Every 200 hours Note Change the engine oil filter more frequently when operating conditions are extremely dusty or sandy 1 Drain the oil from the engine refer to Changing the...

Page 36: ...K BPR5ES or equivalent Air Gap 0 030 inch 0 75 mm Removing the Spark Plug 1 Stop the engine remove the key and wait for all moving parts to stop before leaving the operating position 2 Disengage the P...

Page 37: ...val Every 50 hours Hot exhaust system components may ignite gasoline vapors even after the engine is stopped Hot particles exhausted during engine operation may ignite flammable materials Fire may res...

Page 38: ...e operating position 5 Close the fuel shutoff valve under the seat Figure 54 G008963 1 2 3 Figure 54 1 Fuel filter 3 Fuel line 2 Hose clamp 6 Squeeze the ends of the hose clamps together and slide the...

Page 39: ...rts of the machine Do not allow metal tools to short between the battery terminals and metal parts of the machine Incorrect battery cable routing could damage the machine and cables causing sparks Spa...

Page 40: ...ng nut Figure 55 Charging the Battery Charging the battery produces gasses that can explode Never smoke near the battery and keep sparks and flames away from battery Important Always keep the battery...

Page 41: ...Console 3 PTO 10amp Drive System Maintenance Checking the Seat Belt Service Interval Before each use or daily Visually inspect seat belt for wear cuts and proper operation of retractor and buckle Rep...

Page 42: ...ght loosen the bolts and adjust the left stop plate rearward on the left T slot until the machine tracks straight Figure 59 7 If it tracks to the left loosen the bolts and adjust the right stop plate...

Page 43: ...Do not use anti seize on the wheel hub Adjusting the Caster Pivot Bearing Service Interval Every 500 hours Yearly whichever comes first 1 Disengage the blade control switch PTO move the motion control...

Page 44: ...steps A Loosen both brake mounting bolts one half to one full turn as shown below Note Do Not remove the brake pole from the field shell armature The brake pole has worn to match the armature and nee...

Page 45: ...ng the Engine Screen and Engine Oil Cooler Service Interval Before each use or daily Remove any build up of grass dirt or other debris from the oil cooler Figure 69 G008804 Figure 69 Before each use r...

Page 46: ...Interval Before each use or daily 1 Disengage the PTO 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 Raise the...

Page 47: ...ped position use the other hand or fingers to pull the cable threaded end tight through the swivel Spin the standard nut against the swivel Figure 72 11 Try to turn the wheel hub in both directions re...

Page 48: ...aving the operating position 3 Lower the mower to the 3 inch 76mm height of cut 4 Remove the belt covers Figure 73 G009036 1 2 Figure 73 1 Push tab down 2 Remove belt cover 5 Use a ratchet in the squa...

Page 49: ...s Figure 76 Figure 76 1 Idler pulley 5 Left hand hydraulic pump pulley 2 Clutch pulley 6 Square hole in idler arm 3 Pump drive belt 7 Idler spring 4 Right hand hydraulic pump pulley 5 Use a ratchet in...

Page 50: ...ow the seat are the pump control linkages Rotating the pump linkage with a 1 2 inch wrench allows fine tuning adjustments so that the machine does not move in neutral Any adjustments should be made fo...

Page 51: ...79 1 Double nuts 8 Shut off unit Remove jumper wire from wire harness and plug connector into seat switch 9 Remove the jack stands 10 Raise the deck and re install the height of cut pin 11 Check that...

Page 52: ...the key and wait for all moving parts to stop before leaving the operating position 4 Allow the engine to and hydraulic system to cool for ten minutes 5 Raise the seat up 6 Clean the area around the...

Page 53: ...s are tight before applying pressure to hydraulic system Replacing the Hydraulic Filters and Hydraulic Oil Service Interval Every 250 hours Every 500 hours To replace the hydraulic oil the filters nee...

Page 54: ...ed before matching the height of cut HOC 1 Position mower on a flat surface 2 Disengage the blade control switch PTO move the motion control levers to the neutral locked position and set the parking b...

Page 55: ...cm at B is correct 4 Measure at A and B on both sides 10 Fine tune the adjustment nut on the front deck lift assembly by turning it Figure 87 To increase the height turn the adjustment nut clockwise...

Page 56: ...Servicing the Cutting Blades Maintain sharp blades throughout the cutting season because sharp blades cut cleanly without tearing or shredding the grass blades Tearing and shredding turns grass brown...

Page 57: ...nsions obtained in steps 3 and 4 must not exceed 1 8 inch 3 mm 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 b...

Page 58: ...ys in a horizontal position the blade is balanced and can be used If the blade is not balanced file some metal off the end of the sail area only Figure 95 Repeat this procedure until the blade is bala...

Page 59: ...lower the deck to the ground 3 Place the height adjustment pin in the 3 inch 7 6 cm cutting height location This locks the deck lift arms in the lowest position when the deck is removed and the stored...

Page 60: ...sure the grass deflector is in the down position 1 Remove the locknut bolt spring and spacer holding the deflector to the pivot brackets Figure 98 Remove the damaged or worn grass deflector 2 Place th...

Page 61: ...o Servicing the Brake in the Maintenance Section 4 Service the air cleaner refer to Servicing the Air Cleaner in the Maintenance Section 5 Grease the machine refer to Greasing and Lubrication in the M...

Page 62: ...er local codes Important Do not store stabilizer conditioned fuel over 90 days 13 Check and tighten all bolts nuts and screws Repair or replace any part that is damaged 14 Paint all scratched or bare...

Page 63: ...eplace seat if needed 9 Electrical connections are corroded loose or faulty 9 Check the electrical connections for good contact Clean connector terminals thoroughly with electrical contact cleaner app...

Page 64: ...tting blade s 3 Mower deck is not level 3 Level mower deck from side to side and front to rear 4 Underside of mower is dirty 4 Clean the underside of the mower 5 Tire pressure is not correct 5 Adjust...

Page 65: ...Schematics Wire Diagram Rev A 65...

Page 66: ...Notes 66...

Page 67: ...Notes 67...

Page 68: ...t maintain your Toro Product by following the maintenance procedures described in the Operator s Manual Such routine maintenance whether performed by a dealer or by you is at your expense Items and Co...

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