Toro 74389 User Manual

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FormNo.3425-600RevA

TimeCutter

®

ZS3200SorZS

4200SRidingMower

ModelNo.74682—SerialNo.400000000andUp

ModelNo.74684—SerialNo.400000000andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3425-600*A

Table of Contents

Questions and Answers:

S
Sharon LoganSep 3, 2025
What to do if Toro 74389 blades do not rotate?
- R
  robertfosterSep 4, 2025
  If the blades on your Toro Lawn Mower aren't rotating, it could be due to a worn, loose, or broken drive belt (install a new one). Also, ensure the drive belt is properly installed on the pulley and check the adjusting shafts and belt guides for the correct position. If the Power Take-Off (PTO) switch or PTO clutch is faulty, or if the mower belt is worn, loose, or broken, contact an Authorized Service Dealer, or install a new mower belt, respectively.
M
Mason MartinezSep 3, 2025
What to do if my Toro 74389 doesn't drive?
- H
  Holly OrtizSep 3, 2025
  If your Toro Lawn Mower isn't driving, begin by checking if the bypass valves are open; if so, close the tow valves. For issues related to worn, loose, or broken traction belts, traction belts off of the pulleys, or a failed transmission, contact an Authorized Service Dealer.
L
Lori CampbellSep 2, 2025
How to fix uneven cutting height on my Toro Lawn Mower?
- M
  Michael WeberSep 2, 2025
  Uneven cutting height on your Toro Lawn Mower can be caused by several factors. Start by sharpening the blade(s). If a cutting blade(s) is/are bent, install a new cutting blade(s). Ensure the mower is level from side-to-side and front-to-rear. If applicable, check that the anti-scalp roller is set correctly and adjust the anti-scalp wheel height. Clean the underside of the mower deck. Adjust the tire pressure.
S
Sergio MartinezAug 25, 2025
What to do if my Toro 74389 Lawn Mower engine does not start?
- M
  Miss Jane Jackson DVMAug 25, 2025
  If your Toro Lawn Mower engine doesn't start, starts hard, or fails to keep running, begin by checking if the fuel tank is empty and fill it if needed. Ensure the choke is on. Inspect the air cleaner and clean or replace it if it's dirty. Make sure the spark plug wire(s) is securely connected. If the spark plug(s) is damaged, replace it with a new, correctly gapped one. Also, check the fuel filter for dirt and replace if necessary. If there is dirt, water, or stale fuel in the fuel system, or incorrect fuel in the fuel tank, contact an Authorized Service Dealer. Finally, ensure that the oil level in the crankcase is adequate and add oil if low.
D
dnorrisSep 1, 2025
What to do if my Toro 74389 Lawn Mower engine will not start?
- C
  Courtney PerezSep 1, 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 filled. * Make sure the choke is on. * Check and clean or replace the air cleaner if it's dirty. * Verify the spark plug wire(s) is securely connected. * Replace any pitted, fouled, or incorrectly gapped spark plug(s). * If there is dirt in the fuel filter, replace it. * If there is incorrect fuel in the fuel tank, drain the tank and replace the fuel with the proper type. * Ensure the oil level in the crankcase is adequate by adding oil if needed. * For dirt, water, or stale fuel in the fuel system, contact an Authorized Service Dealer.
D
david88Aug 31, 2025
Why my Toro 74389 engine does not start?
- R
  roberthaynesAug 31, 2025
  If your Toro Lawn Mower's engine doesn't start, starts with difficulty, or won't stay running, several factors could be at play. First, ensure the fuel tank isn't empty by filling it. If your model has a choke, make sure it's turned on. A dirty air cleaner can also cause issues, so clean or replace it. Check that the spark plug wire is securely connected to the spark plug. Inspect the spark plug itself; if it's damaged or improperly gapped, replace it with a new one. Also, check for a dirty fuel filter and replace if needed. If there is incorrect fuel in the fuel tank, drain the tank and replace the fuel with the proper type. Finally, verify that the oil level in the crankcase is sufficient and add oil if low.
S
Shawn WalkerAug 30, 2025
Why won't my Toro Lawn Mower engine start?
- L
  Laura CollinsAug 30, 2025
  If your Toro Lawn Mower engine won't start, starts with difficulty, or stalls, several factors could be at play. Make sure the fuel tank isn't empty by filling it. If your model has a choke, ensure it's turned on. A dirty air cleaner can also cause issues, so clean or replace it. Check the spark plug wire(s) to ensure they are correctly connected, and inspect the spark plug(s) for damage or incorrect gap, replacing if necessary. Also, ensure that the fuel filter is clean, and the fuel tank has the correct fuel type. Finally, check the oil level and add oil if it's low.
H
hernandezandrewAug 30, 2025
How to adjust Toro Lawn Mower cutting height uneven?
- A
  Amanda JeffersonAug 30, 2025
  Uneven cutting height on your Toro Lawn Mower can be caused by dull blades (sharpen them) or bent cutting blades (replace them). Ensure the mower is level from side-to-side and front-to-rear. Check the anti-scalp wheel settings and adjust their height as needed. Clean any dirt from the underside of the mower. Also, verify and adjust the tire pressure. If a blade spindle is bent, contact an Authorized Service Dealer.
P
Paul GarciaAug 29, 2025
How to fix a Toro Lawn Mower when the starter does not crank?
- A
  Adam OwensAug 29, 2025
  If the starter on your Toro Lawn Mower isn't cranking, start by ensuring the blade-control switch is disengaged. Also, make sure the motion-control levers are in the PARK position. Check the battery and charge it if it's dead. Inspect the electrical connections for corrosion or looseness, ensuring they have good contact. Replace the fuse if it's blown. If these steps don't solve the problem, a relay or switch may be damaged, requiring you to contact an Authorized Service Dealer.
D
Donna AndersonAug 28, 2025
Why Toro Lawn Mower engine does not start?
- J
  Jose ClineAug 28, 2025
  Several factors can prevent your Toro Lawn Mower's engine from starting. It could be as simple as an empty fuel tank; in this case, fill the fuel tank. Other potential causes include a missing choke (move the choke lever to On), a dirty air filter (clean or replace it), a loose or disconnected spark-plug wire (secure the wire to the spark plug), a faulty spark plug (replace with a new, correctly gapped one), a dirty fuel filter (replace it), incorrect fuel type (drain and replace with the proper type), or low oil level (add oil to the crankcase). If the problem persists, there might be dirt, water, or stale fuel in the fuel system, and you should contact an Authorized Service Dealer.

Toro 74389 Specifications

General

Brand	Toro
Model	74389
Category	Lawn Mower
Language	English

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