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Toro Z Master 75990, Operator'S Manual

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Toro Z Master 75990 Operator'S Manual Download Page 54

g026961

Figure 76

Left Side Shown

1.

L-bracket

4.

Rear-linkage assembly

2.

Linkage stop

5.

Caliper

3.

Gap

6.

Wheel hub

9.

Disengage the parking brake. The lever should
be in the down position.

10.

Turn the wheel hub by hand in both directions

relative to the caliper; the wheel hub should
move freely between the caliper.

11.

If a gap is needed or the wheel hub does not
move freely:

A.

Disengage the parking brake.

B.

Disconnect and fine-tune the rear linkage
assembly:

•

Shorten the link to create a gap.

•

Lengthen the link to allow wheel hub
movement.

C.

Reconnect the rear linkage assembly.

12.

Engage the parking brake and check the gap.

13.

Repeat steps

9

through

13

until a visible gap is

achieved and the wheel hub rotates freely.

14.

Repeat this procedure for the brake on the
opposite side of the machine.

15.

Rotate the drive wheel release handle to the
operating position; refer to

Using the Drive

Wheel Release Valves (page 31)

.

16.

Install the rear tires and torque the lug nuts;
refer to

Checking the Wheel Lug Nuts (page 49)

.

17.

Remove the jack stands.

Belt Maintenance

Inspecting the Belts

Service Interval:

Every 50 hours

Check the belts for squealing when the belt is rotating,
blades slipping when cutting grass, frayed belt edges,
burn marks, and cracks. These are signs of a worn
mower belt; replace the mower belt if any of these
conditions are evident.

Replacing the Mower Belt

Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks,
and cracks are signs of a worn mower belt. Replace
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 engage
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.

Lower the mower to the 76 mm (3 inch)
height-of-cut position.

4.

Remove the belt covers (

Figure 77

).

g027729

Figure 77

1.

Push the tab down

2.

Remove the belt cover

5.

Use a ratchet in the square hole in the idler arm
to remove tension on the idler spring (

Figure 78

).

6.

Remove the belt from the mower-deck pulleys.

7.

Remove the belt guide on the spring-loaded
idler arm shown in

Figure 78

.

8.

Remove the existing belt.

9.

Install the new belt around the mower pulleys
and the clutch pulley under the engine (

Figure

78

).

54

 

Summary of Contents for Z Master 75990

Page 1: ...o 3414 701 Rev C Z Master Commercial 3000 Series Riding Mower with 60in TURBO FORCE Side Discharge Mower Model No 75990 Serial No 400000000 and Up Register at www Toro com Original Instructions EN 3414 701 C ...

Page 2: ...ctly at www Toro com for product safety and operation training materials accessory information help finding a dealer or to register your product Whenever you need service genuine Toro parts or additional information contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready Figure 1 identifies the location of the model and serial numbe...

Page 3: ...ing the Fuel Filter 44 Servicing the Fuel Tank 45 Electrical System Maintenance 45 Servicing the Battery 45 Servicing the Fuses 47 Drive System Maintenance 48 Checking the Seat Belt 48 Checking the Rollover Protection System ROPS Knobs 48 Adjusting the Tracking 48 Checking the Tire Pressure 49 Checking the Wheel Lug Nuts 49 Checking the Wheel Hub Slotted Nut 49 Adjusting the Caster Pivot Bearing 4...

Page 4: ...r 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 s presence controls safety switches and shields are attached and functioning properly Do not operate the machine unless they are functioning properly Operation Lightning can cause severe injury or death If lightning is seen or thunder is heard in the a...

Page 5: ...ntenance and Storage Disengage drives engage the parking brake shut off the engine and remove the key disconnect the spark plug wire and wait for all movement to stop before adjusting cleaning or repairing the machine Park the machine on a level surface Clean grass and debris from the cutting unit drives mufflers and engine to help prevent fires Clean up oil or fuel spills Let the engine cool befo...

Page 6: ...y 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 alterations to a ROPS must be approved by the manufacturer Do not mow slopes greater than 15 degrees Service Do not store the machine or a fuel container inside where there is an open flame such as near a water heater or furnace Keep the nuts and bol...

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: ... 7818 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 decal99 8936 99 8936 1 Machine speed 4 Neutral 2 Fast 5 Reverse 3 Slow decal106 2655 106 2655 1 Warning do not touch or approach moving belts remove the ignition key and read the instructions before servicing or performing maintenance decal106 5517 106 5517 1 Warning...

Page 9: ...solutely necessary do not wear the seat belt when the roll bar is down 3 Read the Operator s Manual drive slowly and carefully decal110 2067 110 2067 decal110 2068 110 2068 1 Read the Operator s Manual decal112 9028 112 9028 1 Warning stay away from moving parts keep all guards in place decal114 4466 114 4466 1 Main 25 A 3 Charge 25 A 2 PTO 10 A 4 Auxiliary 15 A decal115 7445 115 7445 1 Grease pul...

Page 10: ...d hydraulic oil decal117 0346 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 decal117 3848 117 3848 1 Thrown object hazard keep bystanders a safe distance away from the machine 2 Thrown object hazard mower do not operate without the deflector discharge cover or grass collection system in place 3 Cutti...

Page 11: ...uous variable setting 2 Choke 5 Slow 3 Fast decal126 2055 126 2055 1 Wheel lug nut torque 95 ft lb 129 N m 4x 2 Wheel hub nut torque 235 ft lb 319 N m 3 Read and understand the Operator s Manual before performing any maintenance check torque after the first 100 hours then every 500 hours thereafter decal126 4398 126 4398 1 Read the Operator s manual 3 Unlock 2 Lock 11 ...

Page 12: ... these symbols are on your battery 1 Explosion hazard 6 Keep bystanders a safe distance away from the battery 2 No fire open flame or smoking 7 Wear eye protection explosive gases can cause blindness and 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 t...

Page 13: ...3 1 Check hydraulic oil 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 the Operator s Manual before servicing or performing maintenance 13 ...

Page 14: ...ting the machine on slopes Raising the cutting units while operating on slopes can cause the machine to become unstable 1 Warning read the Operator s Manual do not operate this machine unless you are trained wear hearing protection 4 Ramp hazard when loading onto a trailer do not use dual ramps only use a singular ramp wide enough for the machine and that has an incline less than 15 back up the ra...

Page 15: ...evel is low approximately 3 8 L 1 US gallon remaining in the fuel tank g008950 Figure 6 1 Fuel gauge bars 4 Safety interlock symbols 2 Battery light 5 Low fuel indicator light 3 Hour meter Hour Meter The hour meter records the number of hours the engine has operated It operates when the engine is running Use these times for scheduling regular maintenance Figure 6 Safety Interlock Indicators There ...

Page 16: ...ety interlock system to engage and to determine 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...

Page 17: ...is empty space in the tank allows gasoline to expand Never smoke when handling gasoline and stay away from an open flame or where gasoline fumes may be ignited by a spark Store gasoline in an approved container and keep it out of the reach of children Never buy more than a 30 day supply of gasoline Do not operate without the entire exhaust system in place and in proper working condition DANGER In ...

Page 18: ... Note Fuel stabilizer conditioner is most effective when mixed with fresh gasoline To minimize the chance of varnish deposits in the fuel system use fuel stabilizer at all times Filling the Fuel Tank 1 Park the machine on a level surface 2 Engage the parking brake 3 Shut off the engine and remove the key 4 Clean around the fuel tank cap and remove it Add regular unleaded gasoline to the fuel tank ...

Page 19: ...slowly and carefully Raise the roll bar as soon as clearance permits Check carefully for overhead clearances e g branches doorways electrical wires before driving under any objects and do not contact them Important Lower the roll bar only when absolutely necessary 1 To lower the roll bar apply forward pressure to the upper part of the roll bar 2 Pull both knobs out and rotate them 90 so that they ...

Page 20: ...er protection instructions and warnings To avoid loss of control and possibility of rollover Do not operate near drop offs or near water Do not operate on slopes greater than 15 degrees Reduce speed and use extreme caution on slopes Avoid sudden turns or rapid speed changes g000963 Figure 10 1 Safe Zone use the machine here on slopes less than 15 degrees or flat areas 3 Water 2 Danger Zone use a w...

Page 21: ...ss the wheels are chocked or blocked g029632 Figure 12 Releasing the Parking Brake g029829 Figure 13 Operating the Mower Blade Control Switch PTO The blade control switch PTO starts and stops the mower blades and any powered attachments Engaging the Blade Control Switch PTO Important Engaging the blade control switch PTO with the throttle position at half or less will cause excessive wear to the d...

Page 22: ... the choke after the engine has started Figure 17 g008959 Figure 17 1 On 2 Off Operating the Ignition Switch 1 Turn the ignition key to the START position Figure 18 When the engine starts release the key Important Do not engage the 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...

Page 23: ...Starting the Engine 1 Raise and lock the roll bar into place sit on the seat and fasten the seat belt 2 Move the motion controls to neutral locked position 3 Engage the parking brake refer to Engaging the Parking Brake page 21 4 Move the blade control switch PTO to the OFF position Figure 20 5 Move the throttle lever midway between the SLOW and FAST positions g029634 Figure 20 6 Turn the ignition ...

Page 24: ...aged the machine could operate unexpectedly causing personal injury Do not tamper with the interlock switches Check the operation of the interlock switches daily and replace any damaged switches before operating the machine Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting unless The parking brake is engaged The blade control swit...

Page 25: ...gine While the engine is running center either motion control and move forward or reverse the engine should stop Repeat for other motion control 5 Sitting on the seat disengage the parking brake move the blade control switch PTO to off and move the motion control levers to neutral lock position Try starting the engine the engine should not crank Driving Forward or Backward The throttle control reg...

Page 26: ...n key to off Engage the parking brake when you leave the machine refer to Engaging the Parking Brake page 21 Remove the key from the ignition switch CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended Always remove the ignition key and engage the parking brake when leaving the machine unattended even if just for a few minutes Adjustin...

Page 27: ...ust rotate the pin 90 degrees and remove the pin from the height of cut bracket Figure 27 4 Insert the pin into a hole that corresponds to the desired height of cut Figure 27 5 Push on the deck lift pedal pull back on the transport lock and slowly lower the mower deck g029840 Figure 27 1 Deck lift pedal 3 Transport lock 2 Height of cut pin Adjusting the Anti Scalp Rollers Whenever you change the h...

Page 28: ...am locks and baffle to give the best quality of cut 1 Disengage the blade control switch PTO move the motion control levers to the neutral locked position and engage 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 To adjust the cam locks swing the lever up to loosen the cam lock Figure 31 4 Adjust the baffle and c...

Page 29: ...wer g005832 Figure 32 Position B Use this position when bagging Always align it with the blower opening g005833 Figure 33 Position C This is the full open position The suggested use for this position is as follows Use in tall dense grass mowing conditions Use in wet conditions Use to lower the engine power consumption Use to allow increased ground speed in heavy conditions This position offers ben...

Page 30: ...table Adjusting the Rear Shock Assemblies The slots for the rear shock assemblies have detent positions for reference You can position the rear shock assemblies anywhere in the slot not just in the detent positions The following graphic shows the position for a soft or firm ride and the different detent positions Figure 37 g029988 Figure 37 1 Firmest position 3 Detents in the slots 2 Softest posit...

Page 31: ...c drive units to cool completely before accessing the drive wheel release valves The drive wheel release valves are located in the back of each hydraulic drive unit under the seat Note Ensure that the release valves are in the fully horizontal position when operating the machine otherwise severe damage to the hydraulic system can occur 1 Disengage the PTO blade control switch and turn the ignition...

Page 32: ...f the engine 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 necessary brakes lighting and marking as required by law Please carefully read all the safety instructions Knowing this information could help you your family pets or bystanders avoid ...

Page 33: ...l clear the top of an enclosed trailer Use only a full width ramp do not use individual ramps for each side of the machine Do not exceed a 15 degree angle between the ramp and the ground or between the ramp and the trailer or truck Ensure that the length of ramp is at least 4 times as long as the height of the trailer or truck bed to the ground This ensures that the ramp angle does not exceed 15 d...

Page 34: ...ss 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 speed in certain conditions Avoid 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 uneven turf is not cut too sh...

Page 35: ...sty conditions Check and gap the spark plugs 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...

Page 36: ...ng 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 any excess grease Using Light Oil or Spray Lubrication Service Interval Every 100 hours Deck lift pivots g029642 Figure 43 Greasing the Mower Deck Service Interval Every 50 hours Grease the mower deck spindles and idler arm if equipped Important Make sure that the cutt...

Page 37: ...ns Yearly Repack the front caster wheel bearings more often in dirty or dusty conditions 1 Remove the dust cap and adjust the caster pivots Note Keep the dust cap off until greasing is done 2 Remove the hex plug 3 Thread a grease fitting into the hole 4 Pump grease into the fitting until it oozes out around the top bearing 5 Remove the grease fitting in the hole 6 Install the hex plug and dust cap...

Page 38: ...e axle with the wrench flats facing outward Do not thread the spacer nut all the way onto the end of the axle Leave approximately 3 mm 1 8 inch from the outer surface of the spacer nut to the end of the axle inside the nut 10 Insert the assembled nut and axle into the wheel on the side of the wheel with the new seal and bearing 11 With the open end of the wheel facing up fill the area inside the w...

Page 39: ... 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 Holes in the filter will appear as bright spots If the filter is damaged discard it g009031 Figure 48 1 Air cleaner clamps 3 Primary air filter 2 Air cleaner cover 4 Secondary air filter Servicing the Primary Filter 1 Do not clean the paper filter replace it Fi...

Page 40: ...te Check the oil when the engine is cold WARNING Contact with hot surfaces may cause personal injury Keep your hands feet face clothing and other body parts away from the muffler and other hot surfaces Important Do not overfill the crankcase with oil because damage to the engine may result Do not run the engine with oil below the low mark the engine may be damaged 1 Disengage the PTO move the moti...

Page 41: ...d wait for all moving parts to stop before leaving the operating position Figure 51 g029644 g027734 Figure 51 4 Slowly pour approximately 80 of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark Figure 52 g027660 Figure 52 5 Start the engine and drive to a flat area Check the oil level again Changing the Engine Oil Filter Service Interval Every 20...

Page 42: ...se a spark plug wrench for removing and installing the spark plugs and a gapping tool feeler gauge to check and adjust the air gap Install new spark plugs if necessary Type NGK BPR4ES or equivalent Air Gap 0 76 mm 0 030 inch Removing the Spark Plug 1 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 2 Disengage the PTO move the motion co...

Page 43: ...plug g029646 g027478 Figure 55 5 Install the left hydraulic unit shroud Figure 54 Checking the Spark Plugs Important Never clean the spark plug s Always replace the spark plug s when it has a black coating worn electrodes an oily film or cracks If you see light brown or gray on the insulator the engine is operating properly A black coating on the insulator usually means that the air cleaner is dir...

Page 44: ...arrester on the exhaust outlet Fuel System Maintenance Replacing the Fuel Filter Service Interval Every 500 hours Yearly whichever comes first more often in dirty or dusty conditions The fuel filter is located near the engine on the front or rear side of the engine 1 Disengage the PTO move the motion control levers to the neutral locked position and engage the parking brake 2 Shut off the engine r...

Page 45: ...handling DANGER Battery electrolyte contains sulfuric acid which is lethal if consumed and causes severe burns Do not drink electrolyte and avoid contact with skin eyes or clothing Wear safety glasses to shield your eyes and rubber gloves to protect your hands Removing the Battery WARNING Battery terminals or metal tools could short against metal machine components causing sparks Sparks can cause ...

Page 46: ...the negative battery cable black from the negative battery terminal Figure 59 4 Slide the red terminal boot off the positive red battery terminal and remove the positive battery cable Figure 59 5 Remove the wing nut securing the battery clamp Figure 59 6 Remove the clamp Figure 59 7 Remove the battery g029644 g027728 Figure 59 Installing the Battery 1 Position battery in the tray with the terminal...

Page 47: ... Figure 60 3 Install the battery in the machine and connect the battery cables refer to Installing the Battery page 46 Note Do not run the machine with the battery disconnected electrical damage may occur g000960 Figure 60 1 Positive battery post 3 Red charger lead 2 Negative battery post 4 Black charger lead Servicing the Fuses The electrical system is protected by fuses It requires no maintenanc...

Page 48: ... of the roll bar to fully engage both knobs g008943 Figure 62 1 ROPS knob locked position 3 Roll bar in the upright position 2 Pull ROPS knob out and rotate 90 degrees to change 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 move the motion control levers to the neutral locked position 3 Move the thro...

Page 49: ...heel 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 the wheel hub g029648 Figure 65 1 Slotted nut Adjusting the Caster Pivot Bearing Service Interval Every 500 hours Yearly whichever comes first 1 Disengage the blade control switch PTO move the m...

Page 50: ...d remove the key 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 g010868 Figure 68 3 Check the condition of the wire harness leads connectors and terminals Clean or repair as necessary 4 Verify that 12 V is present at the clutch connector when the PTO switch is engaged 5 Mea...

Page 51: ...wear peaks and valleys it is sometimes difficult to measure the true gap g010872 Figure 71 1 Feeler gauge g010873 Figure 72 1 Feeler gauge If the gap is less than 0 010 inch then reinstall the shim and reference Troubleshooting page 69 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 bla...

Page 52: ...f overheating and mechanical 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 PTO and engage 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 recoil starter and fan housing Figure 74...

Page 53: ...r removing or replacing a brake component 1 Drive the machine onto a level surface 2 Disengage the blade control switch PTO move the motion control levers to the neutral locked position and engage the parking brake 3 Shut off the engine remove the key and wait for all moving parts to stop 4 Raise the back of the machine up and support the machine with jack stands DANGER Mechanical or hydraulic jac...

Page 54: ...ce Inspecting the Belts Service Interval Every 50 hours Check the belts for squealing when the belt is rotating blades slipping when cutting grass frayed belt edges burn marks and cracks These are signs of a worn mower belt replace the mower belt if any of these conditions are evident Replacing the Mower Belt Squealing when the belt is rotating blades slipping when cutting grass frayed belt edges ...

Page 55: ...Install the belt guide on the idler arm shown in Figure 78 11 Using the ratchet in the square hole install the idler spring Figure 78 Make sure that the spring ends are seated in the anchor grooves 12 Install the belt covers Figure 79 g027730 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 55 ...

Page 56: ... belt around the engine pulley and the two 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 54 Controls System Maintenance Adjusting the Control Handle Position There are two height positions for the control levers high and low Remove the bolts to adjust the height fo...

Page 57: ...rminals in the connector of the main wiring harness 5 Start the engine The brake must be engaged and motion control levers out to start engine You do not have to be in the seat because of the jumper wire being used Run the engine at full throttle and release the brake 6 Run the unit at least 5 minutes with the drive levers at full forward speed to bring hydraulic oil up to operating temperature No...

Page 58: ...stance 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 or loosen the flanged nut to the desired feel For more res...

Page 59: ...to the reservoir 9 Remove the dipstick and look at the end Figure 86 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 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 Install the dipstick 11 Repeat procedure for the opposite dipsti...

Page 60: ...l moving parts to stop before leaving the operating position 3 Raise the machine and support it with jack stands Figure 87 g008970 Figure 87 1 Jack stands 4 Remove the mower belt and the pump drive belt refer to Belt Maintenance page 54 5 Place a drain pan under the filter remove the old filter and wipe the surface clean Figure 88 g008968 Figure 88 Bottom View of Machine 1 Filter locations 2 Hydra...

Page 61: ...lation pressure for tires is 90 kPa 13 psi Adjust if necessary 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 g029840 Figure 89 1 Deck lift pedal 3 Transport lock 2 Height of cut pin 6 Insert the height adjustment pin into the 7 6 cm 3 inch cutting height position 7 R...

Page 62: ...t bolt enough to move the height of cut plate mounting bolts at least 1 3 the length of the available travel in their slots This will regain some up and down adjustment on each of the 4 deck links g009042 Figure 93 1 Single point adjustment bolt 14 Tighten the 2 bolts at the bottom of the height of cut plate Figure 92 Torque them to 37 to 45 N m 27 to 33 ft lb Note In most conditions the back blad...

Page 63: ...Shut off the engine and remove the key Inspecting the Blades Service Interval Before each use or daily 1 Inspect the cutting edges Figure 94 If the edges are not sharp or have nicks remove and sharpen the blades Refer to Sharpening the Blades 2 Inspect the blades especially the curved area Figure 94 If you notice any damage wear or a slot forming in this area Figure 94 immediately install a new bl...

Page 64: ...id object is hit if the blade is out of balance or is bent To ensure optimum performance and continued safety conformance of the machine use genuine Toro replacement blades Replacement blades made by other manufacturers may result in non conformance with safety standards 1 Hold the blade end using a rag or thickly padded glove 2 Remove the blade bolt curved washer and blade from the spindle shaft ...

Page 65: ...d the blade bolt The spring disk cone must be installed toward the bolt head Figure 99 Torque the blade bolt to 115 to 150 N m 85 to 110 ft lb g004536 Figure 99 1 Sail area of blade 4 Blade bolt 2 Blade 5 Cone toward bolt head 3 Curved washer Removing the Mower Deck Before servicing or removing the mower deck the spring loaded deck arms must be locked out WARNING Deck lift arm assemblies have stor...

Page 66: ...e and retain the hardware on both sides of the deck as shown in Figure 101 g010252 Figure 101 1 Right stabilizer 2 Deck strut right side shown 3 Remove the rear deck lift attachment shoulder bolt and nut 4 Remove the front deck lift attachment shoulder bolt and nut 8 Raise the deck struts and secure them in the up position Slide the deck out to the right side of the machine 66 ...

Page 67: ...led behind the deck edge before installing the bolt as shown in Figure 102 3 Install the bolt and the nut Place one 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 under the Mower Service Interval Before each us...

Page 68: ...e mower with a garden hose 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 63 12 For storage over 30 days prepare the machine as follows A Add a petroleum based stabilizer conditioner to fuel in the tank Follow mixing instructions from the stab...

Page 69: ... 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 70: ... 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 b...

Page 71: ...Schematics g009180 Wire Diagram Rev A 71 ...

Page 72: ... provided contact us at RLC Customer Care Department Toro Warranty Company 8111 Lyndale Avenue South Bloomington MN 55420 1196 888 865 5676 U S Customers 888 865 5691 Canada customers Owner Responsibilities You must 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 expens...

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