Table of Contents
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52" Mowers
Lawn & Garden Tractors
Model No. 78280– 8900001 & Up
Model No. 78285– 8900001 & Up
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.
Wheel Horse
for
FORM NO. 3319-567
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Table of Contents
Related Manuals for Toro 78280
Summary of Contents for Toro 78280
- Page 1 FORM NO. 3319-567 Wheel Horse 52” Mowers Lawn & Garden Tractors Model No. 78280– 8900001 & Up Model No. 78285– 8900001 & Up 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...
- Page 2 2371 1. Model and Serial Number Plate For your convenience, write the product model and serial numbers in the space below. Model No: Serial No. The Toro Company – 1997 Printed in USA...
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Page 3: Table Of Contents
Contents Page Page Operating the Power Take Off (PTO) ..Safety and Instruction Decals ....Attachment Lift Lever ....Installation . -
Page 4: Safety And Instruction Decals
Safety Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. ON GRASS DEFLECTOR ON MOWER LEFT AND (Part No. 93–1122) DISCHARGE CHUTE (Part No. -
Page 5: Installation
Installation Loose Parts Note: Use the chart below to identify parts used for assembly. DESCRIPTION QTY. Gage wheel Shoulder bolt Install gage wheels Locknut 3/8–24 (with patch on threads) Rear link Washer 1/2” (13 mm) Install rear link Cotter pin 1” (26 mm) Adjustable links Washer 3/8”... -
Page 6: Mower Preparation
Installation Mower Preparation Rotate adjustable links so bolt heads are up and place between brackets, as shown, on front of the mower (Fig. 3). Attach gage wheels to the outside of arms on rear carrier assembly. Grease fitting on wheel Secure to brackets with 1/2”... - Page 7 Installation Place springs into brackets on mower with hooked ends over raised back (Fig. 4). Align grass deflector with holes in brackets and POTENTIAL HAZARD spring straight ends in space under hinge and Without the grass deflector, discharge above deflector (Fig. 4). cover, or complete grass catcher assembly mounted in place, you and others are Secure deflector to bracket with 3/8–3-1/2 (89...
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Page 8: Tractor Preparation
Installation Tractor Preparation Slide lift rod into hole and secure with previously removed washer and E-ring (Fig. 6). Park the machine on a level surface and lower 10. Check that stop is 0”–1/8” (0–3 mm) away frame attachment lift to the full “DOWN” position. when fully assembled and lift in the full “UP”... -
Page 9: Installing The Mower
Installation Installing the Mower Pull on drive belt and rotate onto engine pulley to install (Fig. 9). Park the machine on a level surface, disengage Note: Make sure belt is properly located in the power take off (PTO), set the parking brake, engine and deck pulleys and around and turn the ignition key to “OFF”... -
Page 10: Transport Height Adjustment
Installation Transport Height Adjustment Transport height should be properly adjusted after Tractor Preparation, page 6; however if the rear brackets contact the footrest or up–stop contacts the top of mower in the raised position, adjustment is required. Adjust by turning transport height nut, (Fig. 10) on lift mechanism, clockwise to raise or counterclockwise to lower mower. -
Page 11: Side-To-Side Mower Leveling
Installation Side-to-Side Mower Leveling Loosen adjustment bolt on one side and rotate hanger bracket to raise or lower mower (Fig. 12). The mower blades must be level from side to side. After adjusting, tighten bolt and check Check the side-to-side level any time you install the side-to-side level. -
Page 12: Front-To-Rear Blade Slope
Installation Front-to-Rear Blade Slope To adjust front-to rear blade level loosen jam nuts on front adjustable links. (Fig. 14). Check the front-to-rear blade slope any time you Rotate the bolt on front adjustable links to install the mower. Before checking the slope, set air change front-to rear blade level (Fig. -
Page 13: Removing The Mower
Installation Removing the Mower Park the machine on a level surface, disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. Raise attachment lift, turn Dial-a-Height knob counterclockwise, all the way, and lower the attachment lift lever to the mounting position;... -
Page 14: Removing Recyclingr Baffle
Installation Removing Recycling Baffle Installing Recycling Baffle Model 78285 only. Model 78285 only. Remove lock nuts from top, discharge side and Thoroughly clean the mower. center flange of right side baffle (Fig. 16). Lower Remove lock nuts from top and discharge side baffle and slide out discharge opening to remove. -
Page 15: Operation
Operation Side Discharge Operating the Power Take Off (PTO) The power take off (PTO) engages and disengages power to the electric clutch. POTENTIAL HAZARD Without the grass deflector, discharge While the ignition key is in the “RUN” or “LIGHTS” cover, or complete grass catcher assembly positions and the power take off (PTO) is engaged mounted in place, you and others are “ON“, the PTO light, in the Indicator Module, will be... -
Page 16: Attachment Lift Lever
Operation Attachment Lift Lever Attachment Power Lift The attachment lift lever (Fig. 19) is used to raise and The attachment power lift (optional on some models) lower various attachments. (Fig. 20) is used to raise and lower attachments. Raising Attachments Raising Attachments Depress the brake pedal to stop the machine. -
Page 17: Adjusting Dial-A-Height
Operation Adjusting Dial-A-Height Adjusting Anti-Scalp Wheels The Dial-A-Height control (Fig. 19) is used to limit The anti-scalp wheels must be adjusted in the proper the downward travel of the attachment. The hole location for each height-of-cut position. Dial-A-Height knob is rotated to change the location After adjusting height-of-cut. -
Page 18: Tips For Mowing Grass
Operation Tips for Mowing Grass Ground Speed To improve cut quality, use slower ground speed. Fast Throttle Setting For best mowing and maximum air circulation, Avoid Cutting Too Low operate the engine at “FAST.” Air is required to thoroughly cut grass clippings, so do not set the If the cutting width of the mower is wider than the height-of-cut so low, as to totally surround the mower mower you previously used, raise the cutting height... -
Page 19: Maintenance
Maintenance Service Interval Chart Each Spring Service Operation Notes Hours Hours Hours Service Cutter Blade—check Grease–Mower spindles, wheels Belts—check for wear/cracks Mower Housing—clean Chipped Surfaces—paint 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. -
Page 20: Cutting Blade
Maintenance Cutting Blade 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). POTENTIAL HAZARD A blade that is worn or damaged could break apart and pieces could be thrown at bystanders or at you as you use the mower. - Page 21 Maintenance Sharpening the Blade(s) Installing the Blade(s) Use a file to sharpen the cutting edge at both Install the blade, blade stiffener and bolt ends of the blade (Fig. 24). Maintain the original (Fig. 26). angle. The blade retains its balance if the same IMPORTANT: The curved part of the blade amount of material is removed from both cutting must be pointing toward the inside of the...
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Page 22: Greasing And Lubrication
Maintenance Greasing and Lubrication Blade Drive Belt Service Interval/Specification Removing the Blade Drive Belt Grease the mower after every 50 operating hours or Remove the mower; refer to Removing the once a year, whichever occurs first. Grease more Mower, page 11. frequently when operating conditions are extremely Remove pulley cover mounting screws and dusty or sandy. -
Page 23: Power Take Off (Pto) Belt
Maintenance Adjust idler spring tension until length between Power Take Off (PTO) Belt hooks is 5-1/2” (140 mm) (Fig. 29). Removing PTO Belt Remove the mower; refer to Removing the Mower, page 11. Remove left pulley cover mounting screws and pulley cover. -
Page 24: Storage
Maintenance Storage Scrape heavy buildup of grass and dirt from the underside of the mower. Then wash the mower with a garden hose. Check the condition of the blade(s); refer to Cutting Blade, page 18. Check the condition of the blade drive belt. Grease the mower deck;... -
Page 25: Troubleshooting
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration. Cutting blade(s) is bent or Install new cutting blade(s). unbalanced. Blade mounting bolt is loose. Tighten blade mounting bolt. Engine mounting bolts are Tighten engine mounting loose. bolts. Loose engine pulley, idler Tighten the appropriate pulley, or blade pulley.