Toro 30602 - User Manual

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FormNo.3376-200RevB

Groundsmaster

®

4100-Dand

4110-DRotaryMower

ModelNo.30602—SerialNo.313000001andUp

ModelNo.30604—SerialNo.313000001andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3376-200*B

Table of Contents

Questions and Answers

G
george92Sep 8, 2025
Why will low speed (4WD) not engage on my Toro Lawn Mower?
- N
  Nicole PetersonSep 8, 2025
  If the low speed (4WD) on your Toro Lawn Mower will not engage, it could be due to an electrical problem, a faulty solenoid valve (SV) in the 4WD manifold, faulty cartridge valve(s) in the 4WD manifold, a loose or damaged drive gear on the rear axle motor or driven gear for the rear axle, or a damaged rear axle motor. Troubleshoot the electrical system, replace the faulty solenoid valve, repair or replace the cartridge valve(s), ensure the drive gear is secure, and inspect the rear axle motor.
A
April DavidsonAug 23, 2025
What to do if my Toro Lawn Mower has lost traction power?
- B
  Brooke MccartyAug 23, 2025
  If your Toro Lawn Mower loses traction power or won't operate in either direction, it could be due to a low hydraulic reservoir oil level, an open or damaged piston pump by-pass valve, low charge pressure, low traction circuit pressure, or damaged front wheel motor couplers. Ensure the hydraulic reservoir oil level is correct, repair or replace the piston pump by-pass valve, check and adjust the charge pressure and traction circuit pressure, and inspect the front wheel motor couplers for damage.
A
Alec NewtonSep 5, 2025
Why does cooling fan always rotates at slow speed on my Toro 30602?
- J
  Jamie WalterSep 5, 2025
  If the cooling fan on your Toro Lawn Mower always rotates at a slow speed, the fan control manifold cartridge valve seals may be leaking, the check valve in the fan control manifold may not be seating properly, the fan control manifold proportional relief valve (PRV) may be stuck open, or the hydraulic fan motor may be worn or damaged. Repair or replace any leaking seals, ensure the check valve seats correctly, repair or replace the stuck PRV, and inspect the hydraulic fan motor for damage.
F
Frank Martin MDSep 3, 2025
What to do if my Toro 30602 Lawn Mower operates in one direction only?
- S
  Samantha JohnsonSep 4, 2025
  If your Toro Lawn Mower only operates in one direction, the traction control linkage may be faulty, or the traction relief valve may be faulty. Inspect and repair both the traction control linkage and the traction relief valve.
S
Scott VazquezSep 2, 2025
How to fix hydraulic oil leak from my Toro 30602 Lawn Mower?
- G
  gsmithSep 2, 2025
  If hydraulic oil leaks from your Toro Lawn Mower, it could be due to loose or damaged fittings, hoses, or tubes, or missing or damaged O-rings or seals. Tighten or replace any loose or damaged fittings, hoses, tubes, O-rings, or seals.
E
elizabeth46Aug 31, 2025
Why do all cutting deck sections operate slowly on my Toro 30602 Lawn Mower?
- J
  Jennifer MillerSep 1, 2025
  If all the cutting deck sections on your Toro Lawn Mower operate slowly, it could be due to a low engine RPM or damage to the deck motor or gear pump sections. Increase the engine RPM and inspect the deck motor or gear pump sections for damage.
N
Natalie CampbellAug 30, 2025
Why won't the cutting deck on my Toro 30602 Lawn Mower lower?
- C
  Crystal Smith MDAug 30, 2025
  If the cutting deck (or wing decks) on your Toro Lawn Mower won't lower, it could be because the lift arm pivots are binding, there's an electrical problem, the solenoid valve (S1) in the lift/lower manifold is faulty, the counterbalance pressure is excessive, or the lift cylinder is damaged. Free up any binding lift arm pivots, troubleshoot the electrical system, repair or replace the faulty solenoid valve, check the counterbalance pressure, and inspect the lift cylinder for damage.
A
Andrew MillerAug 29, 2025
Why does my Toro Lawn Mower cutting deck section stop under load?
- W
  William AliAug 29, 2025
  If the cutting deck section on your Toro Lawn Mower stops under load, it could be because the relief valve in the PTO manifold for the affected deck is by-passing, the deck motor has internal leakage (by-passing oil), or the cutting deck gear pump section is worn or damaged. Repair or replace the relief valve, inspect the deck motor for internal leakage, and check the cutting deck gear pump section for wear or damage.
K
Kimberly PetersonAug 27, 2025
What to do if cutting deck on my Toro Lawn Mower won't stay up?
- L
  Linda TaylorAug 27, 2025
  If the cutting deck or wing decks on your Toro Lawn Mower raise but won't stay up, check for leaking lift circuit lines or fittings, damage to the lift cylinder, or damaged seals or faults in the cartridge valve(s) in the lift/lower manifold. Repair or replace any leaking lines or fittings, inspect the lift cylinder for damage, and repair or replace any faulty cartridge valve(s) with damaged seals.
T
travisjillAug 27, 2025
Why is hydraulic oil foaming in my Toro 30602 reservoir?
- S
  Sandra TuckerAug 27, 2025
  If hydraulic oil in the reservoir of your Toro Lawn Mower foams, it could be due to a low hydraulic reservoir oil level, the wrong type of oil in the hydraulic system, or air leaking into a pump suction line. Maintain the proper hydraulic reservoir oil level, use the correct type of hydraulic oil, and check for air leaks in the pump suction line.

Toro 30602 Specifications

General

Engine	Honda GCV160
Engine Displacement	160 cc
Cutting Width	21 inches
Starter	Recoil
Type	Walk-Behind Mower
Engine Type	4-stroke
Drive System	Personal Pace
Cutting Height	1 inch - 4 inches
Wheel Size	Front 8", Rear 11"
Warranty	3 years

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