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Toro 74280TE, Operator'S Manual

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Toro 74280TE Operator'S Manual Download Page 13

107-3968

1. Disengage

3. Parking brake

2. Engage

107-3969

1. Warning—read the

Operator’s Manual

.

2. Crushing hazard, mower—engage the parking brake, stop

the engine, and remove the ignition key before working

under the mower.

107-3978

1. Cutting/dismemberment hazard, fan and entanglement

hazard, belt—stay away from moving parts.

2. Before starting the engine, clean grass and debris from the

mower belt and pulleys, insert the ignition key, and start

the engine.

107-3982

1.

Operator’s Manual

location

107-7705

107-7706

1. Read the

Operator’s

Manual

.

3. Continuous tone indicates

that the engine is

overheating.

2. Pulsing tone indicates low

oil pressure or alternator

not charging.

107-7719

1. Cutting/dismemberment hazard, fan and entanglement

hazard, belt—stay away from moving parts.

2. Before starting the engine, clean grass and debris from the

mower belt and pulleys, insert the ignition key, and start

the engine.

13

Summary of Contents for 74280TE

Page 1: ... 374 Rev A Z597 D Z Master with a 62 or 72 Rear Discharge Mower Model No 74280TE Serial No 260000001 and Up Model No 74281TE Serial No 260000001 and Up Register your product at www Toro com Original Instructions EN ...

Page 2: ...cautions Figure 2 1 Safety alert symbol This manual uses 2 other words to highlight information Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention Contents Introduction 2 Safety 4 Safe Operating Practices 4 Toro Riding Mower Safety 6 Sound Pressure Level 6 Sound Power Level 7 Vibration Level 7 Slope Chart 8 Safety and Ins...

Page 3: ...b Slotted Nut 43 Adjusting the Caster Pivot Bearing 43 Cooling System Maintenance 44 Servicing the Cooling System 44 Brake Maintenance 45 Adjusting the Parking Brake 45 Belt Maintenance 46 Inspecting the Belts 46 Replacing the Mower Belt 46 Replacing the Drive Belts 47 Adjusting the Drive Belts 47 Replacing the Pump Drive Belt 48 Replacing and Tensioning the Alternator Belt 49 Controls System Main...

Page 4: ... the application of the control levers The main reasons for loss of control are insufficient wheel grip especially on wet grass being driven too fast inadequate braking the type of machine is unsuitable for its task lack of awareness of the effect of ground conditions especially slopes incorrect hitching and load distribution Preparation While mowing always wear substantial footwear and long trouse...

Page 5: ...nts stop the engine and disconnect the spark plug wire s or remove the ignition key before clearing blockages or unclogging chute before checking cleaning or working on the lawnmower after striking a foreign object Inspect the lawnmower for damage and make repairs before restarting and operating the equipment if the machine starts to vibrate abnormally check immediately Disengage drive to attachme...

Page 6: ... water Reduce speed and use extreme caution on slopes Remove or mark obstacles such as rocks tree limbs etc from the mowing area Tall grass can hide obstacles Watch for ditches holes rocks dips and rises that change the operating angle as rough terrain could overturn the machine Avoid sudden starts when mowing uphill because the mower may tip backwards Be aware that loss of traction may occur goin...

Page 7: ...al machines per EN 11094 Vibration Level Hand Arm This unit does not exceed a hand arm vibration level of 1 26 m s2 based on measurements of identical machines per EN 1033 Whole Body This unit does not exceed a whole body vibration level of 0 06 m s2 based on measurements of identical machines per EN 1032 7 ...

Page 8: ...Slope Chart 8 ...

Page 9: ... foot stay away from moving parts 93 7818 1 Warning read the Operator s Manual for instructions on torquing the blade bolt nut to 115 149 N m 85 110 ft lb 93 7824 1 Thrown object hazard stay a safe distance from the machine 2 Thrown object hazard mower keep the de ector in place 3 Cutting dismemberment of hand or foot stay away from moving parts 93 8069 1 Hot surface burn hazard stay a safe distan...

Page 10: ...zard and tipping hazard drop offs do not operate the machine near drop offs slopes greater than 15 degrees or water keep a safe distance from drop offs do not turn sharply while traveling fast instead slow down and turn gradually if the roll bar is raised wear the seat belt if the roll bar is lowered do not wear the seat belt 107 2114 107 2131 1 Hydraulic oil level 2 Warning do not touch the hot s...

Page 11: ...ccident keep the roll bar in the raised and locked position and wear the seat belt Lower the roll bar only when absolutely necessary do not wear the seat belt when the roll bar is down 3 Read the Operator s Manual drive slowly and carefully 107 3961 1 Height of cut in millimeters 107 3962 1 Height of cut in millimeters 11 ...

Page 12: ...ct hazard keep bystanders a safe distance from the machine and keep the de ector in place 4 Before starting the engine clean grass and debris from the mower belt and pulleys insert the ignition key and start the engine 107 3964 1 Warning do not use drugs or alcohol 3 Warning engage the parking brake stop the engine and remove the ignition key before leaving the machine 5 Read the Operator s Manual...

Page 13: ... clean grass and debris from the mower belt and pulleys insert the ignition key and start the engine 107 3982 1 Operator s Manual location 107 7705 107 7706 1 Read the Operator s Manual 3 Continuous tone indicates that the engine is overheating 2 Pulsing tone indicates low oil pressure or alternator not charging 107 7719 1 Cutting dismemberment hazard fan and entanglement hazard belt stay away fro...

Page 14: ...e blade is identi ed as a part from the original machine manufacturer 110 5609 1 Read the Operator s Manual 110 5593 1 Read the Operator s Manual before servicing or performing maintenance 5 Tire pressure 2 Maintenance time interval 6 Grease here 3 Engine oil 7 Check and perform any maintenance necessary 4 Hydraulic oil level 8 Read the Operator s Manual for more information 14 ...

Page 15: ...take off PTO 107 3967 1 Fast 3 Neutral 5 Warning read the Operator s Manual 7 Explosion hazard no re open ames or smoking avoid sparks 2 Slow 4 Reverse 6 Poison and caustic liquid chemical burn hazard keep children a safe distance from the battery 8 To unlock the traction drive turn the by pass valve 1 complete revolution counterclockwise using a 5 8 inch or 16 mm wrench 15 ...

Page 16: ...eduling regular maintenance Figure 4 Glow Plug Light Orange Light The glow plug indicator light turns on when the ignition switch is turned to the on position When the light turns off the engine is ready to be started Figure 4 Water in Fuel Light Red Light The water in fuel light turns on when there is water in the fuel When the indicator light turns off the engine is ready to be started Figure 4 ...

Page 17: ...r explosion from fuel can burn you and others and can damage property Fill the fuel tank outdoors in an open area when the engine is cold Wipe up any fuel that spills Never fill the fuel tank inside an enclosed trailer Do not fill the fuel tank completely full Add fuel to the fuel tank until the level is 1 4 to 1 2 inch 6 to 13 mm below the bottom of the filler neck This empty space in the tank allow...

Page 18: ...ine leads to the engine Figure 5 To use the left side fuel tank rotate the fuel selector valve to the LH left hand location To use the right side fuel tank rotate the fuel selector valve to the RH right hand location Figure 5 Close the fuel selector valve before transporting or storing machine Figure 5 1 Left side fuel tank 2 Fuel selector valve Using the Rollover Protection System ROPS To avoid i...

Page 19: ...t latch 4 To raise the roll bar remove the hairpin cotter pins and remove the two pins Figure 7 5 Raise the roll bar to the upright position and install the two pins and secure them with the hairpin cotter pins Figure 7 Important Always use the seat belt with the roll bar in the raised position Figure 7 1 Roll bar 3 Pin 2 Raised position 4 Hairpin cotter pin Think Safety First Please read all safe...

Page 20: ...urns or rapid speed changes Figure 8 1 Safe Zone use the Z Master here on slopes less than 15 degrees or at areas 3 Water 2 Use walk behind mower and or hand trimmer near drop offs and water 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 The use of protec...

Page 21: ...ed or blocked Releasing the Parking Brake Push forward and down on the parking brake lever to release the parking brake Figure 11 The parking brake is disengaged and the lever will rest against the brake stop Figure 11 1 Parking brake ON 3 Brake Stop 2 Parking brake OFF Starting and Stopping the Engine Starting the Engine in Normal Weather 1 Raise the ROPS up and lock into place sit on the seat an...

Page 22: ...0 C Use the correct engine oil for the starting temperature Refer to Servicing the Engine Oil in Engine Maintenance page 35 1 Start the engine with the throttle in the Fast position 2 Turn the ignition key clockwise to the run position Figure 13 The glow plug light will turn on 3 After the glow plug indicator light goes out turn the key to the start position when the engines starts release the key...

Page 23: ... the seat release 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 excessive wear to the drive belts 4 Pull out on the power take off PTO switch to engage it Figure 15 Figure 15 1 PTO On 2 PTO Off Disengaging the PTO To disengage push the PTO switch to the off p...

Page 24: ... 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 Try starting the engine the engine should not crank Driving Forward or Backward The throttle 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 f...

Page 25: ...adjusted from 1 1 2 to 5 inch 38 to 127 mm in 1 4 inch 6 mm increments by relocating the clevis pin into different hole locations 1 Raise the height of cut lever to the transport position also the 5 inch 127 mm cutting height position Figure 17 2 To adjust remove the clevis pin from the height of cut bracket Figure 17 3 Select a hole in the height of cut bracket corresponding to the height of cut ...

Page 26: ...er is positioned to the nearest corresponding height of cut desired 5 Install the flange nut bushing spacer and bolt Torque to 40 45 ft lb 54 61 N m Figure 19 Figure 20 and Figure 21 6 Repeat this adjustment on the other anti scalp rollers Figure 19 1 Anti scalp roller 4 Flange Nut 2 Spacer 5 Bolt 3 Bushing Figure 20 1 Anti scalp roller 3 Flange Nut 2 Bushing 4 Bolt Figure 21 1 Anti scalp roller 4 ...

Page 27: ...th and comfortable ride Position the seat where you are most comfortable To adjust it turn the knob in front either direction to provide the best comfort Figure 22 Changing the Back Position The back of the seat can be adjusted to provide a comfortable ride Position the back of the seat where it is most comfortable To adjust it turn the knob under the right side arm rest in either direction to pro...

Page 28: ...25 Note Do not over tighten the by pass valves The machine will not drive unless by pass valves are turned in Figure 25 1 Side console controls 3 Hydraulic pumps 2 By pass valve Transporting Machines Use a heavy duty trailer or truck to transport the machine Ensure that the trailer or truck has all necessary lighting and marking as required by law Please carefully read all the safety instructions ...

Page 29: ...e of the slope and the ramp extends up the slope This will minimize the ramp 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 driving up a ramp and sudden deceleration when backing down a ramp Both maneuvers can cause the unit to tip backward Loading a uni...

Page 30: ...wing the stand foot out front and slide stand toward machine into the bottom of slot Figure 27 and Figure 28 Figure 28 1 Z Stand Positioned in slot 3 Latch resting on pivot tab 2 Crack in side walk or turf 4 Set the foot of stand on the ground and rest the latch on the pivot tab Figure 28 5 Start the engine and put it at half throttle Note For best results place the foot of stand into seams in sid...

Page 31: ...ilization Mow at Correct Intervals Normally mow every four days But remember grass grows at different rates at different times So to maintain the same cutting height which is a good practice mow more often in early spring As the grass growth rate slows in mid summer 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 low...

Page 32: ...th and increases the chance of disease Check the cutter blades daily for sharpness and for any wear or damage File down any nicks and sharpen the blades as necessary If a blade is damaged or worn replace it immediately with a genuine TORO replacement blade 32 ...

Page 33: ... drive belt idler arm Grease the brake lever Check the hydraulic uid Every 50 hours Check the tire pressure Adjust the drive belts Check the pump drive belt Check the alternator belt Every 100 hours Change the engine oil Check the cooling system hoses Check the hydraulic hoses Every 150 hours Lubricate the machine with light oil Refer to Lubrication Every 200 hours Replace the primary air lter Cha...

Page 34: ...ease into the fittings until grease begins to ooze out of the bearings 5 Wipe up any excess grease Greasing the Front Caster Pivots Lubricate the front caster pivots once a year 1 Remove the dust cap and adjust the caster pivots Keep the dust cap off until greasing is done Refer to Adjusting the Caster Pivot Bearing in Drive System Maintenance page 42 2 Remove the hex plug Thread a grease zerk into...

Page 35: ...the cooling fan belt idler arm Figure 32 2 Grease the drive belt idler arms Figure 32 Figure 32 1 Left adjustable pulley 2 Back of the machine 3 Grease the pump belt idler arm Figure 33 Engine Maintenance Servicing the Air Cleaner Primary Filter Check and or replace after every 200 operating hours or more often in dusty conditions Safety Filter Replace after every 600 operating hours Note Service ...

Page 36: ...ure 35 1 Latches 4 Primary lter 2 Air cleaner cover 5 Safety lter 3 Air lter body Servicing the Primary Filter 1 Do not clean the paper filter Replace it after 200 operating hours Figure 35 2 Inspect the element for tears an oily film or damage to the rubber seal 3 Replace the paper element if it is damaged Servicing the Safety Filter Do not clean the safety filter Replace it after 600 operating hour...

Page 37: ...ull the oil dipstick out and wipe the metal end clean Figure 37 5 Slide the oil dipstick fully into the tube Pull the dipstick out and look at the metal end Figure 37 If the oil level is low slowly pour only enough oil into the fill hole to raise the level to the full mark Important Do not overfill the crankcase with oil because this may cause engine damage Do not run the engine with oil below the l...

Page 38: ...the air intakes causing engine damage Figure 40 1 Note the clearance left in the ller opening 5 Replace the dipstick and install the front engine panel 6 Start the engine and run it at idle for 5 minutes 7 Shut off the engine 8 Wait 3 minutes and check the oil level 9 Add oil if required to bring the level to the upper hole on the dipstick 10 Replace the dipstick and filler cap and the front engine...

Page 39: ...he priming pump to drain water but only until fuel flows from the filter 7 Tighten the drain plug when fuel begins to flow 8 Bleed the air from the fuel line by priming the fuel system refer to Priming the Fuel System Changing the Fuel Filter Replace the fuel filter after every 800 operating hours or yearly whichever occurs first Never install a dirty filter if it is removed from the fuel line 1 Allow t...

Page 40: ...or clothing Wear safety glasses to shield your eyes and rubber gloves to protect your hands 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 Do ...

Page 41: ...y post 6 Secure the battery with J bolts hold down clamp 2 washers 1 4 inch and 2 wing nuts 1 4 inch Figure 45 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 fully charged 1 265 specific gravity This is especially important to prevent battery damage when the tempera...

Page 42: ...dle Neutral in Controls System Maintenance page 49 and Adjusting the Hydraulic Pump Neutral in Hydraulic System Maintenance page 50 1 Push both control levers forward the same distance 2 Check if the machine pulls to one side If it does stop the machine and set the parking brake 3 Unlatch the seat and tilt the seat forward to access the tracking knob Note Determine the left and right sides of the ...

Page 43: ...ads or less should be showing Figure 50 6 If more than two threads are showing remove nut and install washer between hub and nut 7 Torque the slotted nut to 125 ft lb 170 N m Figure 50 8 Tighten the nut until the next set of slots line up with the hole in the shaft Figure 50 9 Replace the cotter pin Figure 50 1 Slotted Nut 3 Hole in threaded shaft 2 Two threads or less showing 4 Washer if needed A...

Page 44: ...ntenance Swallowing engine coolant can cause poisoning Do not swallow engine coolant Keep out of reach from children and pets Checking the Radiator Coolant Check the cooling system level daily Check the cooling system hoses every 100 hours Fluid Type 50 50 mix of extended life antifreeze Dex Cool and water Cooling System Capacity 128 ounces 3 8 l Note Do not open the radiator cap Doing this may in...

Page 45: ...e Adjusting the Parking Brake 1 Disengage the brake lever lever down 2 Measure the length of the spring The measurement should be 2 3 4 inch 70 mm between the washers Figure 53 3 If an adjustment is necessary loosen the jam nut below the spring and tighten the nut directly below the yoke Figure 53 Turn the nut until the correct measurement is obtained Tighten the two nuts together and repeat on th...

Page 46: ...it for all moving parts to stop before leaving the operating position 3 Remove the screws and belt covers Figure 54 4 Remove the two drive belts from the two upper pulleys Refer to Replacing the Drive Belts 5 Pull on the spring loaded idler arm to loosen the belt tension 6 Remove the mower belt from the mower pulleys and the bottom pulley of the three stacked pulleys Figure 54 and Figure 55 7 Inst...

Page 47: ...efore leaving the operating position 3 Remove the rear engine panel Figure 56 Figure 56 1 Rear engine panel 4 Pull on the spring loaded idler pulley to loosen the belt tension Figure 57 5 Remove the worn drive belt 6 Install the new drive belt around the clutch pulley the adjustable idler pulleys the spring loaded idler pulley and the front three stacked pulleys Figure 57 7 Adjust the belt tension...

Page 48: ... spring loaded idler pulley have the correct measurement Figure 58 8 Repeat as necessary on the opposite side of the machine Figure 58 1 Spring Spring coils 3 Right spring measurement 5 1 2 1 8 inch 14 0 0 3 cm 2 Left spring measurement 5 3 4 1 8 inch 14 6 0 3 cm Figure 59 1 Left adjustable pulley 4 Right adjustable pulley 2 Left spring loaded idler pulley 5 Right spring loaded idler pulley 3 Back...

Page 49: ...10 to 13 mm deflections in the belt between the engine and the alternator Figure 62 3 Tighten the alternator bolts 4 Check the deflection in the belt again and adjust the belt if needed 5 If the deflection is correct torque the upper bolt to 170 in lb 19 N m and the bottom bolt to 45 ft lb 61 N m Figure 62 6 Install the pump drive belt refer to Replacing the Pump Drive Belt 7 Install the front engine...

Page 50: ...e lever will keep the pin at the end of the slot and allow the adjustment bolt to move the lever to the appropriate position 10 Tighten the nut and jam nut Figure 64 11 Repeat for the opposite side of the machine Figure 64 1 Clevis pin in slot 7 Spring 2 Nut against yoke 8 Pivot shaft 3 Adjustment bolt 9 Yoke 4 Pump rod 10 Locknut 5 Double nuts 11 Ball joint 6 Jam Nut 12 Tracking knob Hydraulic Sy...

Page 51: ...doctor familiar with this type of injury Gangrene may result if this is not done Keep body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid Use cardboard or paper to find hydraulic leaks Safely relieve all pressure in the hydraulic system before performing any work on the hydraulic system Make sure all hydraulic fluid hoses and lines are in good condition and all...

Page 52: ...draulic Filter Replace the cooling fan hydraulic filter After every 500 operating hours After any part of the hydraulic cooling fan system is repaired or replaced 1 Place drain pan under filter remove the hydraulic hose from the filter Figure 68 2 Remove the cooling fan hydraulic filter from the T fitting on the bottom of the filter Figure 68 Figure 68 1 Cooling fan hydraulic lter 3 Hydraulic hose 2 Bac...

Page 53: ...at needs to be correct before the following adjustment can be made This adjustment must be made with drive wheels turning Mechanical or hydraulic jacks may fail to support machine and cause a serious injury Use jack stand when supporting machine Do not use hydraulic jacks Engine must be running so motion control adjustment can be performed Contact with moving parts or hot surfaces may cause person...

Page 54: ... or slightly creeps in reverse Figure 70 4 Move the motion control lever forward and reverse then back to neutral The wheel must stop turning or slightly creep in reverse 5 Open the throttle to fast Make sure the wheel remains stopped or slightly creeps in reverse adjust if necessary 6 Tighten the locknuts at the ball joints Figure 70 Figure 70 1 Double nuts 4 Locknut 2 Pump rod 5 Ball joint 3 Adj...

Page 55: ... 71 2 Measure the right blade at the B location from a level surface to the cutting edge of the blade tip Figure 71 3 Record this measurement This measurement needs to be 3 1 8 to 3 1 4 inches 4 Position the left blade front to rear Figure 71 5 Measure the left blade at the C location Figure 71 from a level surface to the cutting edge of the blade tip 6 Record this measurement This measurement nee...

Page 56: ...ted the same amount to maintain equal chain tension 7 Loosen the front swivel jam nuts at the front of the right and left swivels approximately a 1 2 inch 13 mm Figure 72 8 Adjust the lift nuts on both the left and the right side of the machine to achieve 1 4 to 3 8 inch 6 to 10 mm lower in front at A than in the rear at B Figure 72 9 Tighten both swivel jam nuts against the front swivel to lock t...

Page 57: ...ect the blade periodically for wear or damage Replace a worn or damaged blade Inspect and check the blades every 8 hours Before Inspecting or Servicing the Blades Park the machine on a level surface disengage the blade control PTO and set the parking brake Turn the ignition key to Off Remove the key Inspecting the Blades 1 Inspect the cutting edges Figure 75 If the edges are not sharp or have nick...

Page 58: ...e genuine 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 Wear gloves or wrap sharp edges of the blade with a rag 1 Hold the blade end using a rag or thickly padded glove 2 Remove the blade bolt spring disk and blade from the spindle shaft Figure 79 Sharpening the Blades W...

Page 59: ... 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 Raise the mower to the transport position 4 Raise the front of the machine by using the Z Stand The machine could fall onto someone and cause serious injury or death Use extreme caution when operating the machine on the Z Stand Use on...

Page 60: ...de of the mower then wash the mower with a garden hose Note Run the machine with the 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 in Mower Deck Maintenance page 54 12 Prepare the machine for storage when non use occurs over 30 days Prepare the machine for storage as follows A Add a petroleum base...

Page 61: ...d or fails 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 cleaner element 3 Oil level in the crankcase is low 3 Add oil to the crankcase 4 Cooling ns and air passages above the engine are plugged 4 Remove the obstruction from the cooling ns and air pa...

Page 62: ...mounting 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 Service Dealer 6 Blade spindle is bent 6 Contact an Authorized Service Dealer Abnormal vibration 7 Motor mount is loose or worn 7 Contact an Authorized Service Dealer 1 Blade s not sharp 1 Sharpen the bla...

Page 63: ...rive belt and check adjusting shafts and belt guides for correct position 3 Deck belt is worn loose or broken 3 Install a new deck belt 4 Deck belt is off pulley 4 Install the deck pulley and check the idler pulley idler arm and spring for correct position and function Blades do not rotate 5 Broken or missing idler spring 5 Replace the spring 63 ...

Page 64: ...Schematics Wire Diagram Rev A 64 ...

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