Toro 74386 User Manual

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3.Measurefromthetipofthebladetotheatsurface

here.

G014973

1

2

3

Figure53

1.Blade,inpositionformeasuring

2.Levelsurface

3.Measureddistancebetweenbladeandsurface(A)

4.Rotatethesameblade180degreessothattheopposing

cuttingedgeisnowinthesameposition.

G014974

1

2

3

Figure54

1.Blade,sidepreviouslymeasured

2.Measurementpositionusedpreviously

3.Opposingsideofbladebeingmovedintomeasurement

position

5.Measurefromthetipofthebladetotheatsurface

here.Thevarianceshouldbenomorethan1/8inch

(3mm).

G014973

1

2

3

Figure55

1.Opposingbladeedge,inpositionformeasuring

2.Levelsurface

3.Secondmeasureddistancebetweenbladeandsurface(B)

WARNING

Abladethatisbentordamagedcouldbreak

apartandcouldseriouslyinjureorkillyouor

bystanders.

•Alwaysreplacebentordamagedblade

withanewblade.

•Neverleorcreatesharpnotchesinthe

edgesorsurfacesofblade.

A.IfthedifferencebetweenAandBisgreater

than1/8inch(3mm)replacethebladewitha

newblade.RefertoRemovingtheBladesand

InstallingtheBlades.

Note:Ifabentbladeisreplacedwithanewone

andthedimensionobtainedcontinuestoexceed

1/8inch(3mm),thebladespindlecouldbebent.

ContactanAuthorizedToroDealerforservice.

B.Ifthevarianceiswithinconstraints,movetothe

nextblade..

Repeatthisprocedureoneachblade.

RemovingtheBlades

Thebladesmustbereplacedifasolidobjectishit,ifthe

bladeisoutofbalance,orthebladeisbent.Toensure

optimumperformanceandcontinuedsafetyconformance

ofthemachine,usegenuineTororeplacementblades.

Replacementbladesmadebyothermanufacturersmayresult

innon-conformancewithsafetystandards.

Holdthebladeendusingaragorthickly-paddedglove.

Removethebladebolt,curvedwasher,bladestiffener,and

bladefromthespindleshaft(

Figure56).

41

Table of Contents

Questions and Answers:

D
daltonbakerAug 16, 2025
Why won't my Toro Lawn Mower engine start?
- H
  hilljasmineAug 17, 2025
  Several factors can prevent your Toro Lawn Mower engine from starting. First, ensure the fuel tank isn't empty by filling it. If it is not the reason, make sure the choke is on. A dirty air cleaner can also be the culprit, so clean or replace it. Check that the spark plug wire(s) is securely connected to the spark plug. Inspect the spark plug(s) for damage, and replace if needed. Additionally, ensure the fuel filter is clean, and the fuel tank contains the correct type of fuel. Finally, check that the oil level in the crankcase is sufficient and add oil if needed.
L
lori06Aug 19, 2025
Why does my Toro 74386 Lawn Mower engine lose power?
- C
  Christopher ShahAug 20, 2025
  If your Toro Lawn Mower engine is losing power, consider these possible causes: The engine load might be excessive, so reduce ground speed. A dirty air cleaner can also cause power loss, so clean the air cleaner element. 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. Inspect the spark plug(s) and replace them if pitted, fouled, or incorrectly gapped. Finally, if there is incorrect fuel in the fuel tank, drain the tank and replace the fuel with the proper type.
S
Sarah BrownAug 22, 2025
What to do if my Toro Lawn Mower starter does not crank?
- C
  Cheryl WrightAug 22, 2025
  If the starter on your Toro Lawn Mower isn't cranking, try these steps: Ensure the blade control switch is disengaged. Verify that the motion control levers are in the park position. If the battery is dead, charge it. Check the electrical connections for corrosion or looseness, ensuring good contact. Finally, inspect the fuse and replace it if blown.

Toro 74386 Specifications

General

Model	74386
Engine Displacement	163 cc
Deck Material	Steel
Mulching Capability	Yes
Bagging Capability	Yes
Side Discharge Capability	Yes
Engine Type	4-Cycle
Starting System	Recoil
Cutting Width	22 inches
Drive Type	Self Propelled
Cutting Height	1.25 to 4 inches
Mulch, Bag, Side Discharge	Bag, Mulch, Side Discharge
Fuel Tank Capacity	0.25 gallons

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