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Toro 74938 - User Manual

Toro 74938
68 pages
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FormNo.3375-649RevA
ZMaster
®
Professional6000
SeriesRidingMower
with60inor72inTURBOFORCE
®
Side
DischargeMower
ModelNo.74936—SerialNo.313000001andUp
ModelNo.74938—SerialNo.313000001andUp
g019887
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3375-649*A

Table of Contents

Questions and Answers

  • A
    Alexis BrewerSep 13, 2025
    What to do if the malfunction Indicator Light (MIL) comes on in my Toro 74938 Lawn Mower?
    • B
      Billy WeaverSep 13, 2025
      If the malfunction indicator light (MIL) comes on in your Toro Lawn Mower, try the following: Turn the engine off and let it cool. Use new gas. Open the fuel shut-off valve. Make sure that the air cleaner and precleaner are clean, and replace them if necessary. Charge or replace the battery. Ensure that a good 12 volt battery is being used and is fully charged. Check and replace any blown fuses. If the problem persists, it is best to contact an Authorized Service Dealer.
  • R
    Robin ScottSep 1, 2025
    How to fix a starter that won't crank on my Toro Lawn Mower?
    • K
      Kevin MartinSep 1, 2025
      If the starter on your Toro Lawn Mower won't crank, check these items: * Ensure the blade-control switch is disengaged. * Engage the parking brake. * Move the motion-control levers to the NEUTRAL-LOCK position. * Make sure you are sitting in the operator’s seat. * Charge the battery if it's dead. * Check the electrical connections for good contact. * Replace the fuse if it's blown.
  • J
    James JohnsonAug 27, 2025
    Why Toro 74938 blades do not rotate?
    • T
      Tracy SullivanAug 27, 2025
      If the blades on your Toro Lawn Mower aren't rotating, it could be due to a worn, loose, or broken mower deck belt; in this case, install a new deck belt. Another possibility is that the mower deck belt is off the pulley; reinstall it and check the idler pulley, idler arm, and spring for correct position and function. Also, check the pump drive belt for wear, looseness, or breakage, and adjust the belt tension or install a new belt. Finally, inspect the idler spring and replace it if it's broken or missing.
  • H
    hmeltonSep 9, 2025
    Why is my Toro 74938 engine overheating?
    • T
      troyalvaradoSep 9, 2025
      If your Toro Lawn Mower engine is overheating, check the following: * The engine load may be excessive; reduce the ground speed. * The oil level in the crankcase may be low; add oil to the crankcase. * The cooling fins and air passages above the engine could be plugged; remove any obstructions.
  • D
    Diane JohnstonSep 12, 2025
    What to do if my Toro Lawn Mower does not drive?
    • J
      John ThomasSep 12, 2025
      If your Toro Lawn Mower doesn't drive, first check that the bypass valves are closed tight. If not, tighten them. Also, inspect the pump belt for wear, looseness, or breakage and change the belt if needed. Ensure the pump belt is correctly positioned on the pulley. Replace the spring if the idler spring is broken or missing. Finally, verify the hydraulic fluid level; add hydraulic fluid to the reservoirs if it is low, or let it cool down if it is too hot.
  • K
    Kelsey HansenSep 3, 2025
    How to fix an uneven cutting height on my Toro 74938 Lawn Mower?
    • T
      Tracy DavidsonSep 3, 2025
      To fix an uneven cutting height on your Toro Lawn Mower, start by sharpening any dull blades or replacing bent ones. Next, level the mower deck from side-to-side and front-to-rear. Clean the underside of the mower deck. Also, ensure the tire pressure is correct. If the blade spindle is bent, contact an Authorized Service Dealer.
  • S
    Steven Thompson Jr.Sep 5, 2025
    What to do if my Toro Lawn Mower machine vibrates abnormally?
    • C
      Christopher WestSep 5, 2025
      If your Toro Lawn Mower is vibrating abnormally, it could be due to: * Bent or unbalanced cutting blade(s); install new cutting blade(s). * A loose blade mounting bolt; tighten the blade mounting bolt. * Loose engine mounting bolts; tighten the engine mounting bolts. * A loose engine pulley, idler pulley, or blade pulley; tighten the appropriate pulley.
  • E
    Edward DuranSep 9, 2025
    What to do if my Toro Lawn Mower clutch does not engage?
    • C
      Cassandra KhanSep 9, 2025
      If the clutch on your Toro Lawn Mower doesn't engage, it could be due to a blown fuse, low voltage supply at the clutch, a damaged coil, inadequate current supply, or a rotor/armature air gap that is too large. To address this, replace the fuse, check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary; repair or replace the clutch lead wire or electrical system and clean the connector contacts; remove the shim or replace the clutch.
  • G
    Glenn SmithSep 13, 2025
    Why does my Toro Lawn Mower not drive?
    • D
      Dominique StokesSep 13, 2025
      If your Toro Lawn Mower isn't driving, check if the bypass valves are closed tightly. If not, tighten them. A worn, loose, or broken pump belt can also cause this issue, so replace the belt. If the pump belt is off a pulley, replace the belt. A broken or missing idler spring can prevent driving, so replace the spring. Also, check the hydraulic oil level; if it's low, add hydraulic oil to the reservoirs, or let it cool down if it's too hot.
  • C
    Carol HernandezNov 24, 2025
    Why does my Toro 74938 Lawn Mower engine not start?
    • K
      Kimberly SchwartzNov 24, 2025
      Several factors can prevent your Toro Lawn Mower's engine from starting. Here's what to check: * The fuel tank may be empty, in which case you should fill it. * The fuel shutoff valve may be closed; open it. * The oil level in the crankcase may be low, so add oil. * The throttle may not be in the correct position; ensure it is midway between the “SLOW” and “FAST” positions. * The fuel filter may be dirty, so replace it. * The air cleaner might be dirty, so clean or replace the air cleaner element. * The seat switch may not be functioning properly; check the seat switch indicator and replace the seat if needed. * The electrical connections could be corroded, loose, or faulty; check them for good contact, clean the connector terminals with electrical contact cleaner, apply d...

Toro 74938 Specifications

General IconGeneral
Start TypeElectric/Recoil
Weight90 lbs
EngineBriggs & Stratton EXi 163cc w/Just Check & Add
Deck MaterialSteel
Mulching CapabilityYes
Bagging CapabilityYes
Side Discharge CapabilityYes
Engine TypeGas
Cutting Width22 inches
Drive SystemRear-wheel drive
Fuel Capacity0.5 gallons
Cutting Height1.5-4 inches
Fuel Tank Capacity0.5 gallons
Starter TypeRecoil

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