Toro 74923 Z Master 6000 Operator'S Manual Download

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Form No. 3400-930 Rev A

Z Master

Professional 6000

Series Riding Mower

with 52in TURBO FORCE

Side Discharge

Mower

Model No. 74923—Serial No. 316000001 and Up

Model No. 78924—Serial No. 316000001 and Up

g027403

*3400-930* A

Summary of Contents for 74923 Z Master 6000

Page 1: ...Professional 6000 Series Riding Mower with 52in TURBO FORCE Side Discharge Mower Model No 74923 Serial No 316000001 and Up Model No 78924 Serial No 316000001 and Up g027403 Register at www Toro com Original Instructions EN 3400 930 A ...

Page 2: ...sidential or commercial properties It is not designed for cutting brush or for agricultural uses Read this information carefully to 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 Toro com for product safety and operation training materials accessory...

Page 3: ...Air Cleaner 35 Servicing the Engine Oil 36 Servicing the Spark Plug 39 Checking the Spark Arrester 40 Fuel System Maintenance 41 Replacing the Fuel Filter 41 Servicing the Fuel Tank 41 Electrical System Maintenance 42 Servicing the Battery 42 Servicing the Fuses 43 Drive System Maintenance 44 Checking the Seat Belt 44 Checking the Rollover Protection System ROPS Knobs 44 Adjusting the Tracking 44 ...

Page 4: ...d attachments approved by the manufacturer Wear appropriate clothing including substantial slip resistant footwear safety glasses and hearing protection Tie back long hair and do not wear jewelry Inspect the area where the equipment is used and remove all objects that can be thrown by the machine Check that operator presence controls safety switches and shields are attached and functioning properl...

Page 5: ... not use a nozzle lock open device If you spill fuel on clothing change your clothing immediately Do not overfill the fuel tank Replace the fuel cap and tighten securely Maintenance and Storage Disengage drives set the parking brake shut off the engine and remove the key or disconnect spark plug wire Wait for all movement to stop before adjusting cleaning or repairing Park the machine on a level s...

Page 6: ...he ROPS in areas where there are slopes drop offs or water Check carefully for overhead clearances i e branches doorways electrical wires before driving under any objects and do not contact them Keep the ROPS in safe operating condition by periodically thoroughly inspecting for damage and keeping all mounting fasteners tight Replace a damaged ROPS Do not repair or revise Do not remove the ROPS Any...

Page 7: ... degrees Use the slope chart to determine the degree of slope of hills before operating Do not operate this machine on a slope greater than 15 degrees Fold along the appropriate line to match the recommended slope 2 Align this edge with a vertical surface a tree building fence pole etc 3 Example of how to compare slope with folded edge 7 ...

Page 8: ...20 1 Grease 93 7818 1 Warning read the Operator s Manual for instructions on torquing the blade bolt nut to 115 to 149 N m 85 to 110 ft lb 99 8936 1 Machine speed 4 Neutral 2 Fast 5 Reverse 3 Slow 106 2655 1 Warning do not touch or approach moving belts remove the ignition key and read the instructions before servicing or performing maintenance 106 5517 1 Warning Do not touch the hot surface 8 ...

Page 9: ...wer the roll bar only when absolutely necessary do not wear the the seat belt when the roll bar is down 3 Read the Operator s Manual drive slowly and carefully 110 2067 110 2068 1 Read the Operator s Manual 112 9028 1 Warning stay away from moving parts keep all guards in place 114 4466 1 Main 25 A 3 Charge 25 A 2 PTO 10 A 4 Auxiliary 15 A 115 7445 1 Grease pulleys and spindles 2 Maintenance inter...

Page 10: ...e Operator s Manual for recommended hydraulic fluid 117 0346 1 Fuel leak hazard read the Operator s Manual do not attempt to remove the roll bar do not weld drill or modify the roll bar in any way 117 3848 1 Thrown object hazard keep bystanders a safe distance from the machine 2 Thrown object hazard mower do not operate the machine without the deflector discharge cover or grass collection system i...

Page 11: ... 129 N m 95 ft lb 4x 2 Wheel hub nut torque 319 N m 235 ft lb 3 Read and understand the Operator s manual before performing any maintenance check torque after first 100 hours then every 500 hours thereafter 126 4398 1 Read the Operator s manual 3 Unlock 2 Lock 127 0326 1 Read the Operator s Manual 3 Remove the key from the ignition and read the Operator s Manual before performing maintenance or se...

Page 12: ...cal 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 Operator s Manual 10 Contains lead do not discard 125 9383 1 Check hydraulic fluid every 50 operating hours 3 Check the tire pressure every 50 operating hours 2 Read the Operator s Manual for information on lubricating the machine 4 Read ...

Page 13: ...hine and that has an incline less than 15 degrees back up the ramp in reverse and drive forward off the ramp 2 Cutting and pinching hazard keep hands and feet away from moving parts keep all guards and shields in place 5 Bodily harm hazard look behind you when mowing in reverse 3 Thrown object hazard keep bystanders away 6 Tipping hazard on slopes do not use on slopes near open water do not use on...

Page 14: ... bars light up when the ignition switch is in the ON position Figure 6 The indicator light appears when the fuel level is low approximately 1 gallon remaining in the fuel tank Safety Interlock Indicators There are symbols on the hour meter and the indicate with a black triangle that the interlock component is in the correct position Figure 6 Battery Indicator Light If the ignition key is turned to...

Page 15: ...ine the NEUTRAL position Fuel Shutoff Valve Close the fuel shutoff valve under the seat when transporting or storing the mower Attachments Accessories A selection of Toro approved attachments and accessories is available for use with the machine to enhance and expand its capabilities Contact your Authorized Service Dealer or Distributor or go to www Toro com for a list of all approved attachments ...

Page 16: ...ce and in proper working condition DANGER In certain 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 Always place gasoline containers on the ground away from your vehicle before filling Do not fill gasoline containers inside a vehicle or on a truck or ...

Page 17: ...engine Allow 40 to 50 hours of break in time for new machines to develop full power and best performance Using the Rollover Protection System ROPS WARNING To avoid injury or death from rollover keep the roll bar in the fully raised locked position and use the seat belt Ensure that the seat is secured to the machine WARNING There is no rollover protection when the roll bar is in the down position L...

Page 18: ...Knowing this information could help you or bystanders avoid injury DANGER Operating the machine on wet grass or steep slopes can cause sliding and loss of control Do not operate on slopes greater than 15 degrees Reduce speed and use extreme caution on slopes Do not operate the machine near water DANGER Wheels dropping over edges can cause rollovers which may result in serious injury death or drown...

Page 19: ...nded Setting the Parking Brake WARNING Parking brake may not hold machine parked on a slope and could cause personal injury or property damage Do not park on slopes unless wheels are chocked or blocked g027334 Figure 11 Releasing the Parking Brake g027335 Figure 12 Operating the Mower Blade Control Switch PTO The blade control switch PTO starts and stops the mower blades and any powered attachment...

Page 20: ...the START position Figure 17 Note When the engines starts release the key Important Do not engage starter for more than 5 seconds at a time If the engine fails to start allow a 15 second cool down period between attempts Failure to follow these instructions can burn out the starter motor Note You may need multiple attempts to start the engine when you start it the first time after the fuel system ...

Page 21: ...at a time If the engine fails to start allow a 15 second cool down period between attempts Failure to follow these instructions can burn out the starter motor Note Additional starting cycles may be required when starting the engine for the first time after the fuel system has been without fuel completely STA RT RU N STO P G008947 Figure 20 Starting and Stopping the Engine Stopping the Engine CAUTI...

Page 22: ...n When the component is in the correct position a triangle will light up in the corresponding square G009181 1 Figure 22 1 Triangles light up when the interlock components are in the correct position Testing the Safety Interlock System Service Interval Before each use or daily Test the safety interlock system before you use the machine each time If the safety system does not operate as described b...

Page 23: ...ttle 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 CAUTION Machine can spin very rapidly Operator may lose control of machine and cause personal injury or damage to machine Use caution when making turns Slow the machine down before making shar...

Page 24: ... the machine 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 Adjusting the Height of Cut Using the Transport Lock The transport lock has 2 positions and is used with the deck lift pedal There is a LOCK position and a UNLOCK position for the transport position Figure 26 g032377 1 2 3 Figure 26 Transpo...

Page 25: ...pedal 3 Transport lock 2 Cut of height pin Adjusting the Anti Scalp Rollers Whenever you change 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 LOCK position and set the parking brake 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the ...

Page 26: ...Figure 31 6 If the cam locks do not lock the baffle into place or it is too tight loosen the lever and then rotate the cam lock Note Adjust the cam lock until the desired locking pressure is achieved Figure 31 Position A This is the full rear position The suggested use for this position is as follows Short light grass mowing conditions Dry conditions Smaller grass clippings Propels grass clippings...

Page 27: ...components below the engine deck which could result in serious injury Shut off the engine remove the key and allow all moving parts to stop before accessing the drive wheel release valves WARNING 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 completely before accessin...

Page 28: ...r the discharge area or mower blades unless you move the blade control switch PTO to the OFF position rotate the ignition key to the OFF position and remove the key Make sure that the grass deflector is in the down position Transporting the Machine Use a heavy duty trailer or truck to transport the machine Ensure that the trailer or truck has all the necessary brakes lighting and marking as requir...

Page 29: ...ing on or near a slope position the trailer or truck so that it is on the down side of the slope and the ramp extends up the slope This minimizes the ramp angle WARNING Loading a machine onto a trailer or truck increases the possibility of tip over and could cause serious injury or death Use extreme caution when operating a machine on a ramp Ensure that the ROPS is in the up position and use the s...

Page 30: ...owed position 4 Ramp is at least 4 times as long as the height of the trailer or truck bed to the ground 2 Side view of full width ramp in loading position 5 H height of the trailer or truck bed to the ground 3 Not greater than 15 degrees 6 Trailer 30 ...

Page 31: ... mow less 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 Adjusting the Cutting Speed To improve cut quality use a slower ground speed in certain conditions Avoiding Cutting Too Low If the cutting width of the mower is wider than the mower you previously used raise the cutting height to ensure that uneve...

Page 32: ...ns Check clean and regap the spark plug Check and clean engine cooling fins and shrouds Every 200 hours Change the engine oil filter Every 250 hours Replace the primary air filter Check the secondary air filter Change the hydraulic filters and hydraulic fluid when using Mobil 1 oil more often in dirty or dusty conditions Every 500 hours Replace the secondary air filter Replace the fuel filter more...

Page 33: ...ins to ooze out of the bearings 6 Wipe up any excess grease Adding Light Oil or Spray Lubrication Service Interval Every 100 hours Lubricate the deck lift pivots G017028 Figure 42 Greasing the Mower Service Interval Every 50 hours Grease the mower deck spindles and the idler arm Yearly Grease the pump belt idler arm Yearly Grease the front caster pivots more often in dirty or dusty conditions Year...

Page 34: ... adhesive has been applied to lock the spacer nuts to the axle 6 Remove the axle with the other spacer nut still assembled to it from the wheel assembly 7 Pry out seals and inspect bearings for wear or damage and replace if necessary 8 Pack the bearings with a general purpose grease 9 Insert 1 bearing and 1 new seal into the wheel Note Replace the seals 10 If the axle assembly has had both spacer ...

Page 35: ...lter Every 250 hours Check the secondary air filter Every 500 hours Replace the secondary air filter Note Service the air cleaner more frequently if operating conditions are extremely dusty or sandy Removing the Filters 1 Disengage the blade control switch PTO move the motion control levers to the NEUTRAL LOCK position and set the parking brake 2 Shut off the engine remove the key and wait for all...

Page 36: ...he air cleaner cover with the breather cap down and rotate so that the retaining clamps lock the cover in place Figure 47 Servicing the Engine Oil Oil Type Detergent oil API service SG SH SJ or higher Oil Capacity for 74923 74925 and 74927 engines with a filter change 2 3 L 77 oz with no filter change 2 1 L 70 oz Oil Capacity for 74922 78922 and 78924 engines with a filter change 2 1 L 71 oz with ...

Page 37: ... it run for 5 minutes Note This warms the oil so it drains better 2 Park the machine so that the rear is slightly lower than the front to ensure that the oil drains completely 3 Disengage the blade control switch PTO move the motion control levers to the NEUTRAL LOCK position and set the parking brake 4 Shut off the engine remove the key and wait for all moving parts to stop before leaving the ope...

Page 38: ...ice 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 Engine Oil page 37 2 Change the engine oil filter Figure 52 G008804 B A C D E F 3 4 g027477 Figure 52 Note Ensure that the oil filter gasket touches the engine and then an extra 3 4 turn is completed 3 Fill the c...

Page 39: ...the key and wait for all moving parts to stop before leaving the operating position 2 Disengage the blade control switch PTO move the motion control levers to the NEUTRAL LOCK position and set the parking brake 3 Remove the left hydraulic unit shroud in the order listed in Figure 53 Note This gives you access to the front spark plug Figure 53 1 Pull this tab out to the side in the direction of the...

Page 40: ...ice Interval Every 50 hours WARNING 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 result in personal injury or property damage Do not fuel or run engine unless spark arrester is installed 1 Stop engine wait for all moving parts to stop remove the key and engage the pa...

Page 41: ... shutoff valve under the seat Figure 57 G008963 1 2 3 Figure 57 1 Fuel filter 3 Fuel shutoff valve 2 Hose clamp 5 Squeeze the ends of the hose clamps together and slide them away from the filter Figure 57 6 Remove the filter from the fuel lines 7 Install a new filter and move the hose clamps close to the filter Figure 57 8 Open the fuel shutoff valve Important Install the fuel line hoses and secur...

Page 42: ... the battery do not allow the battery terminals to touch any metal parts of the machine Do not allow metal tools to short between the battery terminals and metal parts of the machine WARNING Incorrect battery cable routing could damage the machine and cables causing sparks Sparks can cause the battery gasses to explode resulting in personal injury Always disconnect the negative black battery cable...

Page 43: ...he electrical outlet then disconnect the charger leads from the battery posts Figure 60 3 Install the battery in the machine and connect the battery cables refer to Installing the Battery page 43 Note Do not run the machine with the battery disconnected electrical damage may occur Figure 60 1 Positive battery post 3 Red charger lead 2 Negative battery post 4 Black charger lead Servicing the Fuses ...

Page 44: ...ed rearward to get both knobs fully engaged Figure 62 Figure 62 1 ROPS knob locked position 3 Roll bar in the upright position 2 Pull the ROPS knob out and rotate it 90 degrees to change the roll bar position 4 Roll bar in the folded position Adjusting the Tracking 1 Disengage the blade control switch PTO 2 Drive to an open flat area and move the motion control levers to the NEUTRAL LOCK position ...

Page 45: ...nuts to 122 to 129 N m 90 to 95 ft lb Checking the Wheel Hub Slotted Nut Service Interval After the first 100 hours Every 500 hours Check and ensure that the torque of the slotted nut is 286 to 352 N m 211 to 260 ft lb Note Do not use anti seize compound on wheel hub g027341 Figure 65 1 Slotted nut Adjusting the Caster Pivot Bearing Service Interval Every 500 hours Yearly whichever comes first 1 D...

Page 46: ...o stop remove the key engage the parking brake and allow the machine to cool completely before starting these instructions 2 Using an air compressor blow out any debris from under the brake pole and around the brake spacers Figure 68 3 Check the condition of the wire harness leads connectors and terminals Note Clean or repair as necessary 4 Verify that 12V is present at the clutch connector when t...

Page 47: ...nd valleys it is sometimes difficult to measure the gap accurately Figure 71 1 Feeler gauge Figure 72 1 Feeler gauge If the gap is less than 0 25 mm 0 01 inch then install the shim and refer to Troubleshooting page 65 If the gap is sufficient proceed to the safety check in step F F Perform the following safety check i Sit on the seat and start the engine ii Make sure that the blades do not engage ...

Page 48: ...ical damage to the engine Figure 74 Cleaning the Engine Cooling Fins and Shrouds Service Interval Every 100 hours Yearly whichever comes first 1 Disengage the blade control switch PTO and set the parking brake 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Remove the air intake screen the recoil starter and the fan housing Figure ...

Page 49: ...ke component has been removed or replaced 1 Drive the machine onto a level surface 2 Disengage the blade control switch PTO move the motion control levers to the NEUTRAL LOCK position and engage the parking brake 3 Shut off the engine wait for all moving parts to stop and remove the key 4 Raise the back of the machine and support the machine with jack stands DANGER Mechanical or hydraulic jacks ma...

Page 50: ...res and torque the lug nuts Refer to Checking the Wheel Lug Nuts page 45 17 Remove the jack stands Belt Maintenance Inspecting the Belts Service Interval Every 50 hours Replace the belt if it is worn The signs of a worn belt include squealing while the belt is rotating the blades slipping while cutting grass and frayed edges burn marks and cracks on the belt Replacing the Mower Belt 1 Disengage th...

Page 51: ...0 Install the belt guide on the idler arm Figure 78 11 Using the ratchet in the square hole install the idler spring Figure 78 Note Make sure that the spring ends are seated in the anchor grooves 12 Install the belt covers Figure 79 Figure 79 1 Position the belt cover 3 Ensure that the tab is under the metal catch 2 Slide the belt cover under the side catches 51 ...

Page 52: ...new belt around engine pulley and the 2 drive pulleys 9 Using a ratchet in the square hole in the idler arm install the idler spring to the frame Figure 80 10 Install the mower belt refer to Replacing the Mower Belt page 50 Controls System Maintenance Adjusting the Control Handle Position There are 2 height positions for the control levers high and low Remove the bolts to adjust the height for the...

Page 53: ...om cushion of the seat Note The switch is a part of the seat assembly 5 Temporarily install a jumper wire across the terminals in the connector of the main wiring harness 6 Start the engine and run it at full throttle and release the brake Note The brake must be engaged and the motion control levers must be out to start the engine The operator does not have to be in the seat because of the jumper ...

Page 54: ...de past the end of the locknut after torquing 2 Most resistance firmest feel 3 Damper 4 Medium resistance medium feel 5 Least resistance softest feel Adjusting the Motion Control Neutral Lock Pivot The flanged nut can be adjusted to obtain a more desired motion control lever resistance when moving it to the NEUTRAL LOCK position See Figure 85 for adjustment options 1 Loosen the jam nut 2 Tighten o...

Page 55: ... into the reservoir 9 Remove the dipstick and look at the end Figure 86 Important Do not overfill the hydraulic units with oil as damage may occur Do not run the machine with the oil below the add mark 10 If the oil level is at the add mark slowly pour only enough oil into the hydraulic reservoir to raise the level to the full or H line 11 Install the dipstick 12 Repeat the procedure for the oppos...

Page 56: ...n 3 Raise the machine and support it with jack stands Figure 87 Figure 87 1 Jack stands 4 Remove both the mower belt and the pump drive belt refer to Replacing the Mower Belt page 50 and Replacing the Hydraulic Pump Drive Belt page 52 Note This prevents oil from getting on the belts 5 Place a drain pan under the filter remove the old filter and wipe the surface clean Figure 88 G008968 1 2 Figure 8...

Page 57: ...g brake 3 Check the tire pressure in the drive tires Note Proper inflation pressure for the tires is 90 kPa 13 psi 4 Position the transport lock in the latching position 5 Push the deck lift pedal all the way forward and the deck will latch at the 14 cm 5 1 2 inch transport position Figure 89 Figure 89 1 Deck lift pedal 3 Transport lock 2 Height of cut pin 6 Insert the height adjustment pin into t...

Page 58: ...Bolts at the bottom of the height of cut plate 12 If the deck is too low tighten the single point adjustment bolt by rotating it clockwise If the deck is too high loosen the single point adjustment bolt by rotating it counterclockwise Figure 93 Note Loosen or tighten the single point adjustment bolt enough to move the height of cut plate mounting bolts at least 1 3 the length of the available trav...

Page 59: ...n or damaged blade can break and a piece of the blade could be thrown into the operator s or bystanders area resulting in serious personal injury or death Inspect the blades periodically for wear or damage Replace a worn or damaged blade Before Inspecting or Servicing the Blades Park the machine on a level surface disengage the blades and set the parking brake Turn the ignition key to off Remove t...

Page 60: ...ld seriously injure or kill you or bystanders Always replace bent or damaged blade with a new blade Do not file or create sharp notches in the edges or surfaces of the blade Removing the Blades Blades must be replaced if a solid object is hit if the blade is out of balance or if the blade is bent To ensure optimum performance and continued safety conformance of the machine use genuine Toro replace...

Page 61: ...ing the Mower Deck Before servicing or removing the mower deck lock out the spring loaded deck arms WARNING Deck lift arm assemblies have stored energy Removing the deck without releasing the stored energy can cause serious injury or death Do not attempt to disassemble the deck from the front frame without locking out the stored energy 1 Shut off the engine wait for all moving parts to stop remove...

Page 62: ... 7 Belt guide 4 Ratchet 7 Remove and retain the hardware on both sides of the deck Figure 101 Figure 101 1 Right stabilizer 2 Deck strut right side shown 3 Remove the shoulder bolt and nut 4 Remove the shoulder bolt and nut 8 Raise the deck struts and secure them in the up position 9 Slide the deck out to the right side of the machine 62 ...

Page 63: ...ke sure that the J end of the spring is installed behind the deck edge before installing the bolt as shown in Figure 102 5 Install the bolt and the nut 6 Place the J hook end of the spring around the grass deflector Figure 102 Important The grass deflector must be able to rotate Lift the deflector up to the full open position and ensure that it rotates into the full down position Cleaning Cleaning...

Page 64: ... Note Run the machine with the blade control switch PTO engaged and the engine at high idle for 2 to 5 minutes after washing 11 Check the condition of the blades refer to Servicing the Cutting Blades page 59 12 Prepare the machine for storage when non use occurs over 30 days Prepare the machine for storage as follows A Add a petroleum based stabilizer conditioner to fuel in the tank Follow mixing ...

Page 65: ... or damaged 9 Check the electrical connections for good contact Clean the connector terminals thoroughly with electrical contact cleaner apply dielectric grease and make the appropriate connections 10 The relay or switch is worn or damaged 10 Contact an Authorized Service Dealer 11 The spark plug is fouled or improperly gapped 11 Adjust or replace the spark plug The engine does not start starts ha...

Page 66: ...ot level 3 Level the mower deck from side to side and front to rear 4 The underside of mower is dirty 4 Clean the underside of the mower 5 The tire pressure is not correct 5 Adjust the tire pressure The machine produces an uneven cutting height 6 The blade spindle is bent 6 Contact an Authorized Service Dealer 1 The mower deck belt is worn loose or broken 1 Install a new deck belt 2 The mower deck...

Page 67: ...Schematics Wire Diagram Rev A 67 ...

Page 68: ...performed by a dealer or by you is at your expense Items and Conditions Not Covered There is no other express warranty except for special emission system coverage and engine warranty coverage on some products This express warranty does not cover the following Cost of regular maintenance service or parts such as filters fuel lubricants oil changes spark plugs air filters blade sharpening or worn bl...

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