Toro 78261 Operator'S Manual Download Page 1

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Operator’s Manual

IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.

FORM NO. 3322–353

Wheel Horse



48” Mower

for

Lawn and Garden Tractors

Model No. 78261 – 9900001 & Up

Summary of Contents for 78261

Page 1: ...ly It contains information about your safety and the safety of others Also become familiar with the controls and their proper use before you operate the product FORM NO 3322 353 Wheel Horse 48 Mower for Lawn and Garden Tractors Model No 78261 9900001 Up ...

Page 2: ... The warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury even death DANGER WARNING and CAUTION are signal words used to identify the level of hazard However regardless of the hazard be extremely careful DANGER signals an extreme hazard that will cause serious injury or death if the recommended precautions are not...

Page 3: ...e 8 Removing the Mower 9 Operation 11 Side Discharge 11 Operating thePower Take Off PTO 11 Attachment Lift Lever 12 Page Attachment Power Lift 12 Adjusting Dial A Height 13 Adjusting Center Anti Scalp Roller 13 Adjusting Outer Anti Scalp Wheels 14 Tips for Mowing Grass 14 Maintenance 16 Service Interval Chart 16 Cutting Blade 17 Greasing and Lubrication 19 Blade Drive Belt 19 Washing the Underside...

Page 4: ... easily visible to the operator and are located near any area of potential danger Replace any decal that is damaged or lost ON DISCHARGE CHUTE Part No 93 1122 ON MOWER RIGHT SIDE Part No 116286 ON MOWER LEFT AND RIGHT SIDES Part No 92 7108 NEXT TO GAGE WHEELS Part No 68 3380 ...

Page 5: ...c washer Rubber bushing Jam nut 3 8 16 1 1 1 1 2 1 1 Install discharge chute Rear link Washer 1 2 Cotter pin 1 Hairpin cotter 2 9 16 1 2 1 1 Install rear link Adjustable link Washer 1 2 Cotter pin 1 Hairpin cotter 2 9 16 2 4 2 2 Install front link to mower V belt Hairpin cotter 3 3 8 Washer 3 4 1 2 2 Install mower to tractor Operator s Manual 1 Read before operating ...

Page 6: ...ng loaded in the down position Lift chute up to test that it snaps to the full down position POTENTIAL HAZARD Without the discharge chute or the complete grass catcher assembly mounted in place you and others are exposed to blade contact and thrown debris WHAT CAN HAPPEN Contact with rotating mower blade s and thrown debris will cause injury or death HOW TO AVOID THE HAZARD NEVER remove the discha...

Page 7: ...ey to OFF to stop the engine Remove the ignition key 2 Turn the front wheels fully to the left and raise attachment lift lever all the way to the latched position refer to tractor Operator s Manual 3 Slide the mower under the chassis from the right side Fig 4 and align rear mounting bushings with ends of lift arms 4 Straighten the front wheels turn Dial A Height knob counterclockwise all the way a...

Page 8: ...stall mower drive belt in engine drive pulley Fig 6 10 Rotate lever clockwise to tension spring and belt Fig 6 Note Make sure belt is properly located in engine and deck pulleys and around idler pulley 1 m 3621 2 3 Figure 6 Top View 1 Mower belt 2 Tension lever 3 Idler pulley 11 Check mower level refer to Side to Side Mower Leveling page 7 and Front to Rear Blade Slope page 8 12 Raise attachment l...

Page 9: ...nt and rear tires as specified in the tractor operator s manual 2 3 4 to 4 Height of Cut Range When the mower height of cut is set to the 2 3 4 to 4 range the mower is suspended from the tractor 1 Park the tractor on a flat surface disengage the power take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the ignition key 2 Raise attachment lift lever all the...

Page 10: ...or s manual If the front blade tip is not 0 3 8 lower than the rear blade tip adjust the blade slope using the following instructions 1 Park the tractor on a flat surface disengage the power take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the ignition key 2 Check and adjust side to side blade level if you have not checked the setting refer to Side to S...

Page 11: ...e disengage the power take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the ignition key 2 Raise attachment lift turn Dial a Height knob counterclockwise all the way and lower the attachment lift lever to the mounting position refer to tractor Operator s Manual 3 Rotate tension lever counterclockwise to relax the idler pulley spring then remove the mower...

Page 12: ...Turn the front wheels fully to the left and raise attachment lift lever all the way to the latched position refer to tractor Operator s Manual Slide the mower out from under the chassis to the the right side Fig 14 Note Save all hardware washers and hairpin cotters for use when installing deck m 3620 Figure 14 ...

Page 13: ...area or mower blades unless you move the power take off PTO to OFF and rotate the ignition key to OFF Also remove the ignition key and pull the wire off the spark plug s Operating the Power Take Off PTO The power take off PTO engages and disengages power to the electric clutch While the ignition key is in the RUN or LIGHTS positions and the power take off PTO is engaged ON the PTO light in the Ind...

Page 14: ...e latch Move lift lever forward to lower attachment 1205 3 2 4 5 6 1 Figure 16 1 Lift lever 2 Button 3 Dial A Height 4 Indicator 5 High 6 Mounting position Attachment Power Lift The attachment power lift on some models Fig 17 is used to raise and lower attachments Raising Attachments 1 Turn key to the ON or RUN position Fig 17 2 Push the lift switch in the UP direction to raise the attachment lift...

Page 15: ...hange high to low in attachment lift height as adjustment is made Adjusting Center Anti Scalp Roller The anti scalp roller helps guide the mower over uneven turf without scalping the lawn For most cutting conditions this roller should be set in the lower hole Fig 18 When cutting in 1 1 2 height of cut or lower move the anti scalp roller to the upper hole position 1 Raise the attachment lift lever ...

Page 16: ...the mower Using the Mower for the First Time Cut grass slightly longer than normal to ensure the cutting height of the mower does not scalp any uneven ground However the cutting height used in the past is generally the best one to use When cutting grass longer than six inches tall you may want to cut the lawn twice to assure an acceptable quality of cut Cut 1 3 of the Grass Blade It is best to cut...

Page 17: ...cutting height higher than usual and cut the grass at this setting Then cut the grass again using the lower normal setting When Stopping If the machine s forward motion must be stopped while mowing a clump of grass clippings may drop onto your lawn To avoid this 1 With the blade s ENGAGED move onto a previously cut area 2 To disperse the clippings evenly raise the mower while driving forward with ...

Page 18: ...es paint X Tires check pressure X X POTENTIAL HAZARD If you leave the key in the ignition switch someone could start the engine WHAT CAN HAPPEN Accidental starting of the engine could seriously injure you or other bystanders HOW TO AVOID THE HAZARD Remove the key from the ignition switch and pull the wire off the spark plug before you do any maintenance Also push the wire aside so it does not acci...

Page 19: ...he Mower page 9 2 Inspect the cutting edges Fig 20 If the edges are not sharp or have nicks remove the blade s and sharpen them refer to Sharpening the Blade s page 18 3 Inspect the blade s especially the curved area Fig 20 If you notice any damage wear or a slot forming in this area Fig 20 immediately install a new blade 151 1 2 3 Figure 20 1 Cutting edge 2 Curved area 3 Wear slot forming Removin...

Page 20: ...ig 23 If the blade stays in a horizontal position the blade is balanced and can be used If the blade is not balanced file some metal off the back side of the blade Repeat this procedure until the blade is balanced 1 2 Figure 23 1 Blade 2 Balancer Installing the Blade s 1 Install the washer blade flat washer and the blade nut Fig 24 IMPORTANT The curved part of the blade must be pointing up to ensu...

Page 21: ...he fitting Pump grease into the fittings 4 Wipe up any excess grease Where to Add Grease 1 Lubricate the blade spindles idler arm and gage wheel bearings Fig 25 m 3621 Figure 25 Blade Drive Belt Removing the Blade Drive Belt 1 Remove the mower refer to Removing the Mower page 9 2 Remove the pulley cover mounting screws and pulley covers from both blade pulleys Fig 26 3 Remove the belt from the pul...

Page 22: ... mower run for one to three minutes 7 Disengage the power take off PTO and turn the ignition key to STOP to stop the engine Remove the ignition key Wait for all moving parts to stop 8 Turn the water off and remove the hose coupling from the washout fitting Note If the mower is not clean after one washing soak it and let it stand for 30 minutes Then repeat the process 9 Run the mower again for one ...

Page 23: ... Use the wash out port to wash the underside of the deck Refer to Washing the Underside of the Mower page 20 Wash the top side of the mower with a garden hose 3 Check the condition of the blade s refer to Cutting Blade page 17 4 Check the condition of the blade drive belt 5 Grease the mower deck refer to Greasing and Lubrication page 19 6 Check and tighten all bolts nuts and screws Repair or repla...

Page 24: ...ey 4 Tighten the appropriate pulley 5 Engine pulley is damaged 5 Contact Authorized Service Dealer Blade s does not rotate 1 Blade drive belt is worn loose or broken 1 Install new blade drive belt 2 Blade drive belt is off pulley 2 Install blade drive belt and check idler pulley and belt guides for correct position Uneven cutting height 1 Tire pressure is incorrect 1 Set tire pressure g g 2 Mower ...

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