Toro 74389 - User Manual

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FormNo.3381-467RevB

TimeCutter

®

ZS4200SRiding

Mower

ModelNo.74389—SerialNo.314000001andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3381-467*B

Table of Contents

Questions and Answers:

D
Derek DelgadoSep 9, 2025
What to do if the starter does not crank on my Toro 74389?
- J
  Jennifer ButlerSep 10, 2025
  If the starter on your Toro Lawn Mower doesn't crank, first ensure the blade-control switch is disengaged. Next, check that the motion-control levers are in the park position. If these are correct, the battery may be dead, so charge it. Also, examine the electrical connections for corrosion or looseness and ensure they have good contact. Finally, check the fuse and replace it if it's blown. If a relay or switch is damaged, contact an Authorized Service Dealer.
E
Erica SmithAug 25, 2025
Why is my Toro 74389 cutting height uneven?
- M
  Michelle WatersAug 25, 2025
  Uneven cutting height with your Toro Lawn Mower can occur for several reasons. Start by sharpening the blade(s) or replacing them if bent. Ensure the mower is level from side to side and front to rear. Check and adjust the anti-scalp wheel height if it's not set correctly. Clean the underside of the mower if it's dirty. Adjust the tire pressure if it's incorrect. If a blade spindle is bent, contact an Authorized Service Dealer.
J
John WhiteAug 25, 2025
What to do if my Toro 74389 Lawn Mower blades do not rotate?
- B
  Blake LopezAug 26, 2025
  If the blades on your Toro Lawn Mower do not rotate, first check the drive belt. If it is worn, loose, or broken, install a new one. If the drive belt is off of the pulley, install it and check the adjusting shafts and belt guides for the correct position. If the Power Take-Off (PTO) switch or PTO clutch is faulty, contact an Authorized Service Dealer. Finally, if the mower belt is worn, loose, or broken, install a new mower belt.
E
Eric BowenSep 23, 2025
Why is the fuel tank collapsing on my Toro 74389 Lawn Mower?
- L
  Leah SinghSep 23, 2025
  If your Toro Lawn Mower's fuel tank is collapsing or the machine frequently runs out of fuel, the air-cleaner paper element may be clogged. Clean the paper element.
D
Daniel CastroSep 12, 2025
Why is my Toro Lawn Mower vibrating abnormally?
- J
  Justin WheelerSep 12, 2025
  An abnormal vibration in your Toro Lawn Mower can stem from several causes. Begin by checking the engine-mounting bolts and tighten them if they are loose. Inspect the engine pulley, idler pulley, or blade pulley and tighten the appropriate pulley if loose. If the engine pulley is damaged or a blade spindle is bent, contact an Authorized Service Dealer. Replace the cutting blade(s) if they are bent or unbalanced. Also, ensure the blade-mounting bolt is tightened.
P
Pamela TranSep 15, 2025
What to do if the engine overheats on my Toro 74389?
- B
  bondrobinSep 15, 2025
  If your Toro Lawn Mower engine is overheating, there could be several reasons. First, the engine load might be excessive, so try reducing the ground speed. Check the oil level in the crankcase and add oil if it's low. Make sure the cooling fins and air passages under the engine-blower housing are free from obstructions. Also, ensure the air cleaner is clean; if it's dirty, clean or replace the air-cleaner element.
M
Meredith WiseSep 4, 2025
Why is my Toro Lawn Mower engine overheating?
- M
  Matthew MartinSep 4, 2025
  If your Toro Lawn Mower engine is overheating, there are several possible reasons. First, the engine load might be excessive, so try reducing your ground speed. Second, check the oil level in the crankcase and add oil if it's low. Third, inspect the cooling fins and air passages under the engine-blower housing for any obstructions and remove them. Finally, a dirty air cleaner can cause overheating, so clean or replace it.
A
Amy WilliamsSep 5, 2025
How to fix a Toro 74389 engine that loses power?
- M
  Michelle ReynoldsSep 5, 2025
  If your Toro Lawn Mower engine is losing power, consider these potential causes. The engine load might be too high, so reduce your ground speed. A dirty air cleaner can also cause power loss, so clean it. Check the oil level in the crankcase and add oil if necessary. Also, remove any obstructions from the cooling fins and air passages under the engine blower housing. Finally, inspect the spark plug(s) and replace if pitted, fouled, or incorrectly gapped.
A
Anthony GlassSep 23, 2025
What to do if my Toro 74389 vibrates abnormally?
- J
  Justin MendezSep 23, 2025
  If your Toro Lawn Mower vibrates abnormally, inspect the following: bent or unbalanced cutting blades (install new ones), loose blade mounting bolt (tighten it), loose engine mounting bolts (tighten them), or a loose engine pulley, idler pulley, or blade pulley (tighten the appropriate pulley). For a damaged engine pulley, bent blade spindle, or loose/worn motor mount, contact an Authorized Service Dealer.
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.

Toro 74389 Specifications

General

Brand	Toro
Model	74389
Category	Lawn Mower
Language	English

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