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Toro Wheel Horse 78350 - User Manual

Toro Wheel Horse 78350
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Operators 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. 3318–948 Rev. A
Wheel
Horse
42” Rear Discharge
Mower
for
Classic
Garden T
ractors
Model No. 78350 – 7900001 & Up

Questions and Answers

  • K
    Kelly HallAug 1, 2025
    What to do if blade(s) does not rotate on Toro Lawn Mower?
    • F
      fsheppardAug 1, 2025
      If the blade(s) on your Toro Lawn Mower does not rotate, it could be due to a worn, loose, or broken blade drive belt, in which case you should install a new blade drive belt. Another possibility is that the blade drive belt is off the pulley; reinstall the blade drive belt and check the idler pulley and belt guides for correct positioning. A worn, loose, or broken PTO belt could also be the cause; install a new PTO belt.
  • A
    anthonydavisAug 6, 2025
    What to do if the blades on my Toro Lawn Mower won't rotate?
    • L
      Lauren RomanAug 6, 2025
      If the blades on your Toro Lawn Mower are not rotating, the issue could be related to the blade drive belt or the PTO belt. A worn, loose, or broken blade drive belt requires a replacement. Similarly, if the PTO belt is worn, loose, or broken, install a new PTO belt. Also, ensure the blade drive belt is properly installed on the pulley, and inspect the idler pulley and belt guides for correct positioning.
  • T
    Tina LindseyAug 11, 2025
    How to fix uneven cutting height on my Toro Lawn Mower?
    • P
      Paul YangAug 11, 2025
      Uneven cutting height on your Toro Lawn Mower can be attributed to a few factors. First, check and set the tire pressure to the correct levels. Second, ensure that the mower deck is level from side to side and front to rear. Lastly, a dirty mower deck underside can also cause an uneven cut; clean the underside of the mower thoroughly.
  • H
    hfosterAug 15, 2025
    How to fix uneven cutting height on Toro Wheel Horse 78350?
    • H
      hestersharonAug 16, 2025
      Uneven cutting height on your Toro Lawn Mower can be caused by several factors. First, check that the tire pressure is correct and set it accordingly. If that's not the issue, ensure the mower is level from side-to-side and front-to-rear. Lastly, a dirty mower underside can also lead to uneven cutting; clean the underside of the mower.
  • M
    Mark SosaAug 21, 2025
    Why is my Toro Wheel Horse 78350 vibrating so much?
    • H
      henrymasonAug 21, 2025
      Excessive vibration in your Toro Lawn Mower can stem from several sources. It may be due to a bent or unbalanced cutting blade, in which case you should install new cutting blade(s). Another cause could be a loose blade mounting bolt, which requires tightening. Similarly, check for loose engine mounting bolts and tighten them as necessary. A loose engine pulley, idler pulley, or blade pulley could also be the culprit; ensure these are properly tightened. If the engine pulley is damaged, it's best to contact an Authorized Service Dealer.
  • G
    gallaghergeorgeAug 27, 2025
    Why is my Toro Wheel Horse 78350 vibrating abnormally?
    • P
      psparksAug 27, 2025
      If your Toro Lawn Mower is vibrating abnormally, several issues could be the cause. It might be due to a bent or unbalanced cutting blade, in which case you should install new cutting blade(s). Alternatively, the blade mounting bolt or engine mounting bolts could be loose; ensure you tighten these. A loose engine pulley, idler pulley, or blade pulley could also be the culprit, so tighten the appropriate pulley. If the engine pulley is damaged, it is recommended to contact an Authorized Service Dealer.

Summary

Introduction

Safety

Safety and Instruction Decals

Safety decals and instructions are easily visible to the operator and are located near any area of potential danger.

Assembly

Loose Parts

Lists parts used for assembly and their quantities and uses.

Attach Height-of-Cut Lever

Instructions for attaching the height-of-cut lever to the mower.

Attach Adjustable Link

Instructions for attaching the adjustable link to the tractor hitch.

Installing the Mower

Step-by-step instructions for mounting the mower to the tractor.

Front-to-Rear Blade Slope

Instructions for checking and adjusting the front-to-rear blade slope.

Transport Height Adjustment

Instructions for adjusting the mower's transport height for stability.

Removing the Mower

Step-by-step instructions for detaching the mower from the tractor.

Operation

Operating the Power Take Off (PTO)

Instructions for engaging and disengaging the PTO to power the mower.

Attachment Lift Lever

How to use the attachment lift lever to raise and lower attachments.

Attachment Power Lift

Instructions for using the attachment power lift to raise and lower attachments.

Adjusting Height-of-Cut

How to adjust the mower's cutting height using the lever.

Tips for Mowing Grass

Guidance on mowing techniques for optimal results and grass health.

Maintenance

Service Interval Chart

Schedule for routine maintenance tasks based on usage hours.

Cutting Blade

Information on inspecting, removing, and installing the mower blade.

Sharpening the Blade(s)

Detailed steps on how to sharpen and balance the mower blade.

Installing the Blade(s)

Instructions for correctly installing the mower blade after sharpening or replacement.

Greasing and Lubrication

Schedule and procedure for greasing mower components.

Blade Drive Belt

Instructions for removing and installing the blade drive belt.

Power Take Off (PTO) Belt

Procedures for removing and installing the PTO belt.

Storage

Troubleshooting

Toro Wheel Horse 78350 Specifications

General IconGeneral
BrandToro
ModelWheel Horse 78350
CategoryLawn Mower
LanguageEnglish

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