Toro 75744 Operator'S Manual Download

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Form No. 3436-936 Rev A

42in Fab Riding Mower

Model No. 75744—Serial No. 400000000 and Up

*3436-936* A

Summary of Contents for 75744

Page 1: ...Form No 3436 936 Rev A 42in Fab Riding Mower Model No 75744 Serial No 400000000 and Up Register at www Toro com Original Instructions EN 3436 936 A ...

Page 2: ...ould overheat and damage the engine If you are unsure whether or not your machine has been converted for high altitude use look for the following label decal127 9363 Figure 3 Introduction This rotary blade riding lawn mower is intended to be used by homeowners in residential applications It is designed primarily for cutting grass on well maintained lawns Using this product for purposes other than ...

Page 3: ...ng Off the Engine 18 Using the Motion Control Levers 18 Driving the Machine 19 Using the Smart SpeedTM Control System 19 Using the Side Discharge 20 Adjusting the Height of Cut 21 Adjusting the Anti Scalp Rollers 21 Operating Tips 22 After Operation 23 After Operation Safety 23 Pushing the Machine by Hand 23 Transporting the Machine 23 Maintenance 26 Maintenance Safety 26 Recommended Maintenance S...

Page 4: ...ly people who are responsible trained familiar with the instructions and physically capable to operate or service the machine Do not operate the machine near drop offs ditches embankments water or other hazards or on slopes greater than 15 Do not put your hands or feet near moving components of the machine Do not operate the machine without all guards safety switches and other safety protective de...

Page 5: ...rees 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 5 ...

Page 6: ...tery 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 decaloemmarkt Manufacturer s Mark 1 This mark indicates that the blade is identified as a part from the original machine manufacturer decal93 7009 93 7009 1 Warning do not operate the mower with the deflector ...

Page 7: ...raised baffle do not operate the machine with an open deck use a bagger or a baffle 4 Entanglement hazard keep away from moving parts keep all guards and shields in place decal138 2456 138 2456 1 Read the Operator s Manual 3 Do not overfill the fuel tank 2 Park the machine on a level surface when filling the fuel tank decal139 2388 139 2388 1 Slow 3 Fast 2 Hauling decal139 2391 139 2391 1 Fast 2 S...

Page 8: ...t day and at that site Changes in the terrain can result in a change in slope operation for the machine 1 Warning read the Operator s Manual 4 Runover hazard do not carry passengers look behind you when moving in reverse 2 Cutting dismemberment hazard of hand mower blade entanglement hazard of hand belt stay away from moving parts keep all guards and shields in place 5 Tipping hazard when loading ...

Page 9: ...ct Overview g308847 Figure 5 1 Engine 4 Motion control levers 7 Deflector 10 Control panel 2 Operator seat 5 Rear drive wheel 8 Smart Speed lever 3 Fuel tank cap 6 Front caster wheels 9 Height of cut lever 9 ...

Page 10: ...ented by a power takeoff PTO symbol engages and disengages power to the mower blades Figure 6 Motion Control Levers Use the motion control levers to drive the machine forward reverse and turn either direction Figure 5 Park Position Move the motion control levers outward from the center to the PARK position when exiting the machine Figure 19 Always position the motion control levers into the PARK p...

Page 11: ... mechanics Inspect the area where you will use the machine and remove all objects that could interfere with the operation of the machine or that the machine could throw Become familiar with the safe operation of the equipment operator controls and safety signs Check that operator presence controls safety switches and guards are attached and working properly Do not operate the machine unless they a...

Page 12: ...tainer opening at all times until fueling is complete Do not use a nozzle lock open device If you spill fuel on your clothing change your clothing immediately Do not overfill the fuel tank Replace the fuel cap and tighten it securely Clean grass and debris from the cutting unit muffler drives grass catcher and engine compartment to help prevent fires Clean up oil or fuel spills Adding Fuel Recomme...

Page 13: ...e PARK position and you rise from the seat Testing the Safety Interlock System Test the safety interlock system before you use the machine each time If the safety system does not operate as described below have an Authorized Service Dealer repair the safety system immediately 1 Sit on the seat move the motion control levers in the PARK position and move the blade control switch to the ON position ...

Page 14: ...occur Do not operate the machine while ill tired or under the influence of alcohol or drugs Contacting the blade can result in serious personal injury Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position When you turn the key to the OFF position the engine should shut off and the blade should stop If not stop using your machine immediately ...

Page 15: ... other than grass or when transporting the machine to and from the operating area Do not change the engine governor speed or overspeed the engine Children are often attracted to the machine and the mowing activity Never assume that children will remain where you last saw them Keep children out of the operating area and under the watchful care of a responsible adult other than the operator Be alert...

Page 16: ...d while operating on slopes Raising the deck while operating on slopes can cause the machine to become unstable g229111 Figure 12 1 Safe Zone use the machine here on slopes less than 15 or flat areas 4 W Width of the machine 2 Danger Zone use a walk behind mower and or a hand trimmer on slopes greater than 15 and near drop offs or water 5 Keep a safe distance twice the width of the machine between...

Page 17: ...Operating the Throttle You can move the throttle control between the FAST and SLOW positions Figure 16 Always use the FAST position when engaging the PTO g295539 Figure 16 Operating the Choke Use the choke to start a cold engine 1 Pull up the choke knob to engage the choke before using the key switch Figure 17 Note Ensure that you fully engage the choke You may need to hold the knob up when you us...

Page 18: ...g the blade control switch to the OFF position Figure 18 2 Move the motion control levers outward to the PARK position 3 Move the throttle control to the FAST position 4 Turn the key to the OFF position and remove the key CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended Always remove the key and engage the parking brake when leavin...

Page 19: ...r damage to the machine Use caution when making turns Slow the machine down before making sharp turns Driving Forward Note Always use caution when backing up and turning 1 Move the levers to the center unlocked position 2 To go forward slowly push the motion control levers forward Figure 20 g008952 Figure 20 Driving Backward 1 Move the levers to the center unlocked position 2 To go backward slowly...

Page 20: ...lows Normal mowing Moving the machine Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf DANGER Without a grass deflector discharge cover or a complete grass catcher assembly mounted in place you and others are exposed to blade contact and thrown debris Contact with rotating mower blade s and thrown debris will cause injury...

Page 21: ...e blade control switch and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Adjust the anti scalp rollers to 1 of the following positions Upper hole use this position with the mower deck in the 63 mm 2 1 2 inches and below the height of cut positions Figure 24 Lower hole us...

Page 22: ... the same cutting height 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 2 days later at a lower height setting Using a Slower Cutting Speed To improve cut quality use a slower ground speed in certain conditions Avoiding Cutting Too Low When mowing uneven turf ...

Page 23: ...ides of the engine 4 Move the bypass levers forward through the key hole and down to lock them in place Figure 25 Note Do this for each lever WARNING Contact with hot surfaces may cause personal injury Keep your hands feet face clothing and other body parts away the engine muffler and other hot surfaces 5 Turn the ignition key on and disengage the parking brake by moving 1 motion control lever out...

Page 24: ...mes as long as the height of the trailer or truck bed to the ground This ensures that the ramp angle does not exceed 15 degrees on flat ground g027996 Figure 26 1 Full width ramp in stowed 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 g...

Page 25: ... machine up the ramp 2 Drive the machine forward down the ramp 5 Shut off the engine remove the key and engage the parking brake 6 Tie down the machine near the front caster wheels and the rear bumper with straps chains cable or ropes Figure 28 Refer to local regulations for tie down requirements g027708 Figure 28 1 Tie down loops Unloading the Machine 1 Lower the ramp ensuring that the angle betw...

Page 26: ...dition and all hardware tightened especially the blade attachment hardware Replace all worn or damaged decals Disconnect the battery before repairing the machine Disconnect the negative terminal first and the positive last Connect the positive terminal first and the negative last To ensure optimum performance use only genuine Toro replacement parts and accessories Replacement parts and accessories...

Page 27: ...shield Figure 29 may damage the shield and cause the machine to fall injuring you or bystanders Do not use the lower muffler shield to support the machine g299647 Figure 29 1 Lower muffler shield Lubrication Greasing the Bearings Service Interval Every 25 hours Grease the caster wheel bearings Grease Type No 2 lithium grease 1 Park the machine on a level surface disengage the blade control switch ...

Page 28: ...conditions are extremely dusty or sandy Removing the Foam and Paper Elements 1 Park the machine on a level surface disengage the blade control switch and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Clean around the air cleaner cover to prevent dirt from getting into th...

Page 29: ...t Service Interval Every 100 hours or yearly whichever comes first Replace the paper air cleaner element more often in dirty or dusty conditions 1 Clean the paper element by tapping it gently to remove dust Note If it is very dirty replace the paper element with a new one 2 Inspect the element for tears an oily film or damage to the rubber seal 3 Replace the paper element if it is damaged Importan...

Page 30: ...nsure that the engine is cool so that the oil has had time to drain into the sump 3 To keep dirt grass clippings etc out of the engine clean the area around the oil fill cap and dipstick before removing it Figure 35 g235263 Figure 35 Changing the Engine Oil and Oil Filter Service Interval After the first 5 hours After the first month whichever comes first Change the engine oil and filter Every 100...

Page 31: ... Note Ensure that the oil filter gasket touches the engine and then turn the filter an extra 3 4 turn g027477 Figure 37 6 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 38 31 ...

Page 32: ...ark Plug 1 Park the machine on a level surface disengage the blade control switch and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Clean the area around the base of the plug to keep dirt and debris out of the engine 4 Remove the spark plug Figure 39 g027478 Figure 39 Ch...

Page 33: ...mmable and highly explosive A fire or explosion from fuel can burn you and others and can damage property Refer to Fuel Safety page 12 for a complete list of fuel related precautions Replacing the In Line Fuel Filter Service Interval Every 100 hours or yearly whichever comes first Check the in line fuel filter Every 200 hours Every 2 years whichever comes first Replace the in line fuel filter Neve...

Page 34: ...d 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 not allow metal tools to short between the battery terminals and metal parts of the machine 1 Park the machine on a level surface disengage the blade ...

Page 35: ... Charging the Battery Service Interval Before storage Charge the battery and disconnect the battery cables 1 Remove the battery from the chassis refer to Removing the Battery page 34 2 Charge the battery for a minimum of 1 hour at 6 to 10 A Note Do not overcharge the battery 3 When the battery is fully charged unplug the charger from the electrical outlet then disconnect the charger leads from the...

Page 36: ...enance Checking the Tire Pressure Service Interval Every 25 hours Check tire pressure Maintain the air pressure in the front and rear tires as specified Uneven tire pressure can cause an uneven cut Check the pressure at the valve stem Figure 46 Check the tires when they are cold to get the most accurate pressure reading Refer to the maximum pressure suggested by the tire manufacturer on the sidewa...

Page 37: ...witch and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Locate the tracking adjustment bolt near the motion control lever on the particular side that needs adjusting Figure 48 Note Raise the seat for easier access to the adjustment bolt 4 Rotate the bolt to decrease the ...

Page 38: ...nd wait for all moving parts to stop before leaving the operating position 3 Set the height of cut at the lowest cutting position 38 mm 1 1 2 inches 4 Push in the tab on the cover to remove the pulley covers Figure 49 g298345 Figure 49 1 Cover 2 Tab 5 Using a spring removal tool Toro Part No 92 5771 remove the idler spring from the deck hook to remove tension on the idler pulley and roll the belt ...

Page 39: ...nect the spark plug wires from the spark plugs Inspecting the Blades Service Interval Before each use or daily 1 Inspect the cutting edges Figure 51 2 If the edges are not sharp or have nicks remove and sharpen the blade refer to Sharpening the Blades page 41 3 Inspect the blades especially in the curved area 4 If you notice any cracks wear or a slot forming in this area immediately install a new ...

Page 40: ... surface 3 Second measured distance between blade and surface B A If the difference between A and B is greater than 3 mm 1 8 inch replace the blade with a new blade refer to Removing the Blades page 40 and Installing the Blades page 41 Note If a bent blade is replaced with a new blade and the dimension obtained continues to exceed 3 mm 1 8 inch the blade spindle could be bent Contact an Authorized...

Page 41: ...de bolt Figure 56 3 Torque the blade bolt to 81 to 108 N m 60 to 80 ft lb Leveling the Mower Deck Check to ensure that the mower deck is level any time you install the mower or when you see an uneven cut on your lawn Check the mower deck for bent blades prior to leveling and remove and replace any bent blades refer to the Servicing the Cutting Blades page 39 before continuing Level the mower deck ...

Page 42: ... tip of the rear blade to the flat surface Figure 60 Note If the front blade tip is not 1 6 to 7 9 mm 1 16 to 5 16 inch lower than the rear blade tip continue to the Adjusting the Front to Rear Blade Slope page 44 procedure g294046 Figure 60 1 Blades front to rear 3 Measure from the tip of the blade to the flat surface here 2 Outside cutting edges Leveling from Side to Side 1 Move to the left side...

Page 43: ...te to a different hole so that it supports the weight of the mower deck after you install the plate Figure 63 g294195 Figure 63 8 Install the washer and hairpin cotter Figure 63 9 Repeat steps 6 through 8 for the other side of the machine 10 Check the side to side level again repeat this procedure until the measurements are correct 11 Continue leveling the mower deck by checking the front to rear ...

Page 44: ...to side level of the mower again refer to Checking the Side to Side Level page 41 Removing the Mower Deck 1 Park the machine on a level surface disengage the blade control switch PTO and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Lower the height of cut lever to the l...

Page 45: ...side of the machine 8 Attach the front support rod to the mower deck with the clevis pin and hairpin cotter Figure 65 9 Install the mower belt onto the engine pulley refer to Replacing the Mower Belt page 38 Replacing the Grass Deflector Service Interval Before each use or daily Inspect the grass deflector for damage WARNING An uncovered discharge opening could allow the machine to throw objects t...

Page 46: ...seat around the engine hydraulic pumps and motors Wash the underside of the mower deck after each use to prevent grass buildup for improved mulch action and clipping dispersal 1 Park the machine on a level surface disengage the blade control switch PTO and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before l...

Page 47: ...here is an open flame spark or pilot light such as on a water heater or on other appliances Cleaning and Storage 1 Park the machine on a level surface disengage the blade control switch PTO and move the motion control levers outward to the PARK position 2 Shut off the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Remove grass clippings dirt and...

Page 48: ...he oil inside the cylinder Install the spark plug s Do not install the wire on the spark plug s 14 Check and tighten all fasteners Repair or replace any part that is damaged 15 Paint all scratched or bare metal surfaces Paint is available from your Authorized Service Dealer 16 Store the machine in a clean dry garage or storage area Remove the key from the switch and keep it out of reach of childre...

Page 49: ...2 Move the choke lever to the ON position 3 The air cleaner is dirty 3 Clean or replace the air cleaner element 4 The spark plug wire s is loose or disconnected 4 Install the wire s on the spark plug 5 The spark plug s is pitted fouled or the gap is incorrect 5 Install a new correctly gapped spark plug s 6 There is dirt in fuel filter 6 Replace the fuel filter 7 Dirt water or stale fuel is in fuel...

Page 50: ...ne vibrates abnormally 7 The motor mount is loose or worn 7 Contact an Authorized Service Dealer 1 The blade s is not sharp 1 Sharpen the blade s 2 A cutting blade s is are bent 2 Install a new cutting blade s 3 The mower is not level 3 Level the mower from side to side and front to rear 4 An anti scalp roller if applicable is not set correctly 4 Adjust the anti scalp wheel height 5 The underside ...

Page 51: ...Schematics g307974 Electrical Diagram 139 2356 Rev A 51 ...

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