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Toro 78281, Operator'S Manual

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Toro 78281 Operator'S Manual Download Page 16

16

Installing the Blade(s)

1. Install the blade, blade stiffener and bolt (Fig. 25).

Important

 

The curved part of the blade must be

pointing toward the inside of the mower to assure proper
cutting.

2. Tighten the bolt to 80-100 ft–lb (109-136 Nm).

1

m-2376

2

3

4

Figure 25

1.

Blade

2.

Blade stiffener

3.

Bolt

4.

Spindle

Greasing and Lubrication

Service Interval/Specification

Grease the mower after every 50 operating hours or
once a year, whichever occurs first. Grease more
frequently when operating conditions are extremely
dusty or sandy.

Grease Type: General-purpose grease.

How to Grease

1. Disengage the power take off (PTO), set the parking

brake, and turn the ignition key to “OFF” to stop the
engine. Remove the key

2. Clean the grease fittings with a rag. Make sure to scrape

any paint off the end of the fitting(s).

3. Connect a grease gun to the fitting. Pump grease into

the fittings.

4. Wipe up any excess grease.

Where to Add Grease

1. Lubricate the blade spindles, idler pulley arm and gage

wheels (Fig. 26).

M–2429

Figure 26

Servicing the Blade Drive Belt

Removing the Blade Drive Belt

1. Remove the mower; refer to Removing the Mower,

page 9.

2. Remove pulley cover mounting screws and pulley

covers from both blade pulleys.

3. Loosen idler spring and remove the belt from the

pulleys (Fig. 28).

Installing the Blade Drive Belt

1. Install the new belt around the blade pulleys and the

idler pulley (Fig. 27).

m–2415

Figure 27

Summary of Contents for 78281

Page 1: ...Operator s Manual English EN Form No 3326 460 Rev A 52 Side Discharge Mower Wheel Horse 260 Series Lawn and Garden Tractor Model No 78281 Serial No 200000001 and Up ...

Page 2: ...e products you are responsible for operating the product properly and safely 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 illustrates the location of the model and serial numbers on the product 1 2371 Figure 1 1 Location of the model and seria...

Page 3: ... to the operator and are located near any area of potential danger Replace any decal that is damaged or lost 92 7108 92 7109 93 1122 93 7282 1 Stop the engine and remove the ignition key before leaving the machine 2 Read the Operator s Manual 3 Wheel height 94 2543 1 Engine 94 4937 ...

Page 4: ...3 1 2 in Locknut 3 8 in 1 2 2 2 Install grass deflector Up stop 1 Install mower up stop Hairpin cotter 3 3 8 in Washer 3 4 in Link pin Hairpin cotter 2 9 16 in Washer 2 2 1 3 3 Install mower to tractor Operator s Manual Warranty card 1 1 Read before operating Important If you have a 1999 or earlier tractor and are installing a 2000 or later 52 in deck a kit will be needed to install the deck Obtai...

Page 5: ...with washers 1 2 in and cotter pins 1 in Fig 4 m 3285 2 4 3 1 4 3 Figure 4 1 Adjustable link 2 Bracket 3 Washer 1 2 in 4 Cotter pin 1 in 7 Place springs into brackets on mower with hooked ends over raised back Fig 5 8 Align grass deflector with holes in brackets and spring straight ends in space under hinge and above deflector Fig 5 9 Secure deflector to bracket with bolts 3 8 x 3 1 2 through gras...

Page 6: ...urn Dial A Height control to allow lift to go to full mounting position 2 Adjust air pressure in tires to recommended pressure 3 Adjust transport height nut until bottom of rear lift arms are approximately 7 1 4 in 188 mm from the level surface Fig 6 2 3 1 m 2399 Figure 6 1 Transport height nut 2 Rear lift arms 3 7 1 4 in 188 mm 4 Raise attachment lift to the full up position Refer to Operation At...

Page 7: ... deck left into position Fig 9 6 Secure deck to rear lift arms with washers 3 4 in and large hairpin cotters Fig 9 7 Install front adjustable links to front lift arms with a washer 1 2 in and small hairpin cotter Fig 9 1 7 2 3 4 5 6 6 5 8 M 3644 Figure 9 1 Lift arm 2 Washer 3 4 in 3 Hair pin cotter large 4 Attachment lift 5 Washer 1 2 in 6 Hair pin cotter small 7 Link pin 8 Carrier Lift Arm Moveme...

Page 8: ... Check the side to side level any time you install the mower or when you see an uneven cut on your lawn Before you level the mower set the air pressure in the front and rear tires to 20 psi 138 kPa 3 to 4 in 76 102 mm Height of Cut Range When the mower height of cut is set to the 3 to 4 in 76 102 mm range the mower is suspended from the tractor 1 Park the machine on a level surface disengage the p...

Page 9: ...page 8 3 Adjust the Dial A Height knob so the height of cut is in the middle of the range and lower attachment lift 4 Carefully rotate blades so they are facing front and rear Fig 14 5 Measure between the tip of the front blade Fig 14 and the tip of the rear blade to the flat surface If the front blade tip is not 0 3 8 in 0 9 5 mm lower than the rear blade tip adjust front adjustment links Front 1...

Page 10: ...osition Side Discharge An uncovered discharge opening could allow the lawn mower to throw objects in the operator s or bystander s direction and result in serious injury Also contact with the blade could occur Never remove the grass deflector from the mower because the grass deflector routes material down toward the turf If the grass deflector is ever damaged replace it immediately Never put your ...

Page 11: ...he machine 2 Pull attachment lift lever rearward to release lift pressure and push the button on top to release the latch Move lift lever forward to lower attachment 1205 3 2 4 5 6 1 Figure 18 1 Lift lever 2 Button 3 Dial A Height 4 Indicator 5 High 6 Mounting position Using the Attachment Power Lift The attachment power lift optional on some models is used to raise and lower attachments Fig 19 Ra...

Page 12: ...t of the attachment 2 The Dial A Height indicator Fig 18 will show the change high to low in attachment lift height as adjustment is made Adjusting Anti Scalp Wheels The anti scalp wheels must be adjusted in the proper hole location for each height of cut position 1 After adjusting height of cut raise the attachment lift lever Refer to Raising Attachments 2 Remove hairpin cotter and pin to change ...

Page 13: ...mmer 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 Ground Speed To improve cut quality use slower ground speed 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 uneven turf is not cut too short Long Grass If the...

Page 14: ...u do any maintenance Set the wire aside so that it does not accidentally contact the spark plug Servicing the Cutting Blades To assure a superior quality of cut keep the blade s sharp For convenient sharpening and replacement you may want to have an extra blade s A worn or damaged blade can break and a piece of the blade could be thrown into the operator s or bystander s area resulting in serious ...

Page 15: ...t all parts If a defect or damage is noticed install new parts 1 m 2376 2 3 4 Figure 22 1 Blade 2 Blade stiffener 3 Bolt 4 Spindle Sharpening the Blade s 1 Use a file to sharpen the cutting edge at both ends of the blade Fig 23 Maintain the original angle The blade retains its balance if the same amount of material is removed from both cutting edges 1 Figure 23 1 Sharpen at original angle 2 Check ...

Page 16: ...wer take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the key 2 Clean the grease fittings with a rag Make sure to scrape any paint off the end of the fitting s 3 Connect a grease gun to the fitting Pump grease into the fittings 4 Wipe up any excess grease Where to Add Grease 1 Lubricate the blade spindles idler pulley arm and gage wheels Fig 26 M 2429 Fi...

Page 17: ... belt 3 1 8 4 mm Washing the Underside of the Mower After each use wash the underside of the mower to prevent grass build up for improved mulch action and clipping dispersal 1 Park the machine on a hard level surface disengage the power take off PTO and turn the ignition key to OFF to stop the engine 2 Attach hose coupling to the end of the left mower washout fitting turn water on high Fig 30 Note...

Page 18: ...linder head fins and blower housing Also remove grass clippings dirt and grime from the external parts of the entire machine especially the engine shrouding and the top of the mower 2 Wash the underside of the mower refer to Washing Underside of Mower page 17 3 Check the condition of the blade s refer to Cutting Blade page 14 4 Check the condition of the blade drive belt 5 Grease the mower deck re...

Page 19: ...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 3 PTO belt is worn loose or broken 3 Install new PTO belt Uneven cutting height 1 Tire pressure is incorrect 1 S...

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