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FORM NO. 3319–776GB
Wheel Horse
38" Side Discharge
Mower
for
Lawn & Garden Tractors
Model No. 78218 – 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.
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Summary of Contents for Toro 78218
- Page 1 38” Side Discharge Mower Lawn & Garden Tractors Model No. 78218 – 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 Introduction We want you to be completely satisfied with your The warning system in this manual identifies new product, so feel free to contact your local potential hazards and has special safety messages that Authorized Service Dealer for help with service, help you and others avoid personal injury, even death.
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Page 3: Table Of Contents
Contents Page Page Maintenance ......Safety and Instruction Decals ....Service Interval Chart . -
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 MOWER CENTER ON MOWER LEFT SIDE (Part No. 93–6679) (Part No. -
Page 5: Installation
Installation Installing Discharge Chute and Tension Spring POTENTIAL HAZARD Locate items show (Fig. 1). Without the grass deflector, discharge cover, or complete grass catcher assembly Slide rod, non-rib end, through rear discharge mounted in place, you and others are chute bracket. exposed to blade contact and thrown debris. -
Page 6: Installing The Mower
Installation Installing 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. Turn the front wheels fully to the left and raise attachment lift lever all the way to the latched position;... -
Page 7: Transport Height Adjustment
Installation 10. Pull on idler pulley to relax belt tension and Transport Height Adjustment install mower drive belt onto the top engine drive pulley groove (Fig. 6). Transport height is set at the factory and should not need adjustment; however if the belt covers contact Note: Make sure belt is properly located in the footrest in the raised position, adjustment is... -
Page 8: 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. 9). 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 9: Front-To-Rear Blade Slope
Installation 3/4” to 3” Height-of-Cut Range Front-to-Rear Blade Slope When the mower height-of-cut is set to the 3/4” to 3” Check the front-to-rear blade slope any time you range the gage wheels contact the ground. There is a install the mower. Before checking the slope, set air second side-to-side adjustment for this height range. - Page 10 Installation To adjust front-to rear blade level loosen jam nut on front adjustable link. (Fig. 12). Rotate the bolt on front adjustable link to change front-to rear blade level (Fig. 12). Note: To raise the front of the mower, shorten the adjustable link by turning bolt clockwise.
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Page 11: 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 12: Operation
Operation Operating the Power Take Off (PTO) POTENTIAL HAZARD Without the grass deflector, discharge The power take off (PTO) engages and disengages cover, or complete grass catcher assembly power to the electric clutch. mounted in place, you and others are While the ignition key is in the “RUN”... -
Page 13: Attachment Lift Lever
Operation Attachment Lift Lever Attachment Power Lift The attachment lift lever (Fig. 17) is used to raise and The attachment power lift (optional on some models) lower various attachments. (Fig. 18) is used to raise and lower attachments. Raising Attachments Raising Attachments Depress the clutch and/or brake pedal(s) to stop Turn key to the “ON”... -
Page 14: Adjusting Dial-A-Height
Operation Adjusting Dial-A-Height Adjusting Anti-Scalp Rollers The Dial-A-Height control (Fig. 17&18) is used to The anti-scalp rollers guide the mower over uneven limit the downward travel of the attachment. The turf without scalping the lawn. For most cutting Dial-A-Height knob is rotated to change the location conditions they should be located in the lower hole. -
Page 15: Tips For Mowing Grass
Operation Tips for Mowing Grass Avoid Cutting Too Low If the cutting width of the mower is wider than the Fast Throttle Setting mower you previously used, raise the cutting height to ensure uneven turf is not cut too short. For best mowing and maximum air circulation, operate the engine at “FAST.”... -
Page 16: Maintenance
Maintenance Service Interval Chart Each Storage Spring Service Operation Notes Hours Hours Service Service Cutter Blade—check Grease–Mower deck Belts—check for wear/cracks Mower Housing—clean Chipped Surfaces—paint Tires—check pressure 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 17: 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 18 Maintenance Sharpening the Blade(s) Installing the Blade(s) Use a file to sharpen the cutting edge at both Install the blade, blade retainer, washer, and the ends of the blade (Fig. 22). Maintain the original blade bolt (Fig. 24). 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 19: Greasing And Lubrication
Maintenance Greasing and Lubrication Blade Drive Belt Service Interval/Specification Removing the Blade Drive Belt Grease the machine after every 25 operating hours or Remove the mower; refer to Removing the once a year, whichever occurs first. Grease more Mower, page 9. frequently when operating conditions are extremely Remove the pulley cover mounting screws and dusty or sandy. -
Page 20: Washing Underside Of Mower
Maintenance Washing Underside of Mower After each use, wash the underside of the mower to prevent grass build-up for improved mulch action and clipping dispersal. Park the machine on a hard level surface, disengage the power take off (PTO), and turn the ignition key to “OFF”... -
Page 21: Storage
Maintenance Storage Clean dirt and chaff from the outside of the engine’s cylinder 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. -
Page 22: 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.
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