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Toro 74398 - User Manual

Toro 74398
48 pages
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FormNo.3363-798RevC
TimeCutter™Z5035Riding
Mower
ModelNo.74398—SerialNo.310000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Table of Contents

Questions and Answers

  • J
    John SchultzAug 12, 2025
    Why does my Toro 74398 engine lose power?
    • I
      Ian MccoyAug 13, 2025
      Your Toro Lawn Mower engine may be losing power due to: * Excessive engine load. Try reducing ground speed. * A dirty air cleaner. Clean the air cleaner element. * Low oil level in the crankcase. Add oil to the crankcase. * Plugged cooling fins and air passages. Remove any obstructions. * Faulty spark plug(s). Install a new, correctly gapped spark plug(s). * A closed vent in the fuel cap. Open the vent. * Dirt in the fuel filter. Replace the fuel filter. * Incorrect fuel in the fuel tank. Drain the tank and replace with the proper type. If the problem persists, there may be dirt, water, or stale fuel in the fuel system. In this case, it's best to contact an Authorized Service Dealer.
  • S
    Shawn RodriguezAug 17, 2025
    How to fix uneven cutting height on my Toro 74398 Lawn Mower?
    • C
      cherylharrisAug 17, 2025
      To address uneven cutting height on your Toro Lawn Mower: * Sharpen the blade(s) if they are not sharp. * Replace bent cutting blade(s) with new ones. * Ensure the mower is level from side-to-side and front-to-rear. * Adjust the anti-scalp wheel height if it is not set correctly. * Clean the underside of the mower if it is dirty. * Adjust the tire pressure if it is incorrect. If a blade spindle is bent, contact an Authorized Service Dealer.
  • C
    Carolyn AllenAug 21, 2025
    Why is my Toro 74398 Lawn Mower engine overheating?
    • S
      Steven GriffinAug 21, 2025
      Your Toro Lawn Mower engine may be overheating due to several reasons: * The engine load could be excessive, so try reducing the ground speed. * The oil level in the crankcase might be low, so add oil. * The cooling fins and air passages under the engine blower housing could be plugged; remove any obstructions. * The air cleaner might be dirty; clean or replace it. * There may be dirt, water, or stale fuel in the fuel system. In this case, it's best to contact an Authorized Service Dealer.
  • D
    Deborah HawkinsAug 26, 2025
    Why won't the starter crank on my Toro 74398?
    • D
      Donna JohnsonAug 27, 2025
      If the starter on your Toro Lawn Mower isn't cranking, check these items: 1. Ensure the blade control switch is disengaged. 2. Confirm the motion control levers are in the park position. 3. Make sure you are seated on the seat. 4. Check the battery charge and charge if necessary. 5. Inspect the electrical connections for corrosion or looseness and ensure good contact. 6. Examine the fuse and replace it if blown. If these steps don't resolve the issue, a relay or switch may be damaged, and you should contact an Authorized Service Dealer.
  • L
    Lindsey HurleyAug 29, 2025
    Why does my Toro 74398 have abnormal vibration?
    • B
      brianfitzgeraldAug 30, 2025
      Abnormal vibration in your Toro Lawn Mower can be caused by: * Loose engine mounting bolts. Tighten them. * A loose engine pulley, idler pulley, or blade pulley. Tighten the appropriate pulley. * Damaged cutting blade(s). Install a new cutting blade(s). * A loose blade mounting bolt. Tighten it. For a damaged engine pulley or a bent blade spindle, contact an Authorized Service Dealer.
  • J
    Jill CruzSep 3, 2025
    Why the blades do not rotate on my Toro Lawn Mower?
    • D
      Diamond GraySep 3, 2025
      If the blades on your Toro Lawn Mower do not rotate, check if: * The drive belt is worn, loose, or broken. If so, install a new drive belt. * The drive belt is off of the pulley. If so, install the drive belt and check the adjusting shafts and belt guides for the correct position. * The mower belt is worn, loose, or broken. If so, install a new mower belt.
  • B
    brownstevenNov 7, 2025
    What to do if my Toro Lawn Mower engine will not start?
    • T
      thompsonmarkNov 7, 2025
      If your Toro Lawn Mower engine won't start, starts hard, or fails to keep running, consider the following: * Ensure the fuel tank is full; if not, fill it. * Make sure the choke is on; move the choke lever to the 'On' position. * Check if the air cleaner is dirty; clean or replace it. * Verify the spark plug wire(s) are securely connected; install them if loose. * Inspect the spark plug(s) for damage or incorrect gap; replace if needed. * Check for dirt in the fuel filter and replace if necessary. * Ensure the correct fuel type is in the fuel tank; drain and replace if incorrect. * Check the oil level in the crankcase; add oil if low. If the problem persists, there may be dirt, water, or stale fuel in the fuel system, and it is best to contact an Authorized Service Dealer...

Toro 74398 Specifications

General IconGeneral
Starting SystemRecoil
Deck MaterialSteel
Drive SystemRear-wheel drive
Cutting Width22 inches
Mulch, Bag, Side DischargeMulch, Side Discharge
Warranty2-Year Full Coverage

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