Toro 74249 User Manual

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Form No. 3356-185 Rev B

Z500 Z Master, With 52in or

60in 7-Gauge Side Discharge

Mower

Model No. 74248 —Serial No. 270000001 and Up

Model No. 74249 —Serial No. 270000001 and Up

Register your product at www.Toro.com Original Instructions (EN)

Table of Contents

Questions and Answers:

N
Nancy DuffyAug 14, 2025
Why won't my Toro Lawn Mower engine start or keep running?
- K
  Kim TownsendAug 14, 2025
  If your Toro Lawn Mower's engine won't start, starts with difficulty, or stalls, there are several potential causes. First, ensure the fuel tank is adequately filled with fuel. If the issue persists, inspect the air cleaner for dirt and either clean or replace the air cleaner element. Another possibility is a dirty fuel filter, which would require replacement. For issues related to dirt, water, or stale fuel in the fuel system, it's best to contact an Authorized Service Dealer.
S
smithalexandraAug 17, 2025
What to do if my Toro 74249 starter does not crank?
- P
  pagejessicaAug 17, 2025
  If the starter on your Toro Lawn Mower isn't cranking, several issues could be the cause. First, ensure the blade control (PTO) is disengaged. Next, confirm that the parking brake is engaged and that you are seated on the seat. Check the battery; if it's dead, charge it. Also, inspect the electrical connections to ensure they are clean and tight. Replace the fuse if it's blown. If none of these steps work, the relay or switch may be defective, and you should contact an Authorized Service Dealer.
C
Cheyenne HopkinsAug 21, 2025
Why is my Toro Lawn Mower engine losing power?
- K
  Kyle NashAug 21, 2025
  If your Toro Lawn Mower engine is losing power, consider these possible causes and solutions. First, reduce your ground speed if the engine load is excessive. If that doesn't help, clean the air cleaner element if it's dirty. Also, make sure the oil level in the crankcase is sufficient by adding oil if it's low. Check for any obstructions blocking the cooling fins and air passages above the engine and remove them. Ensure the vent hole in the fuel cap isn't plugged by cleaning or replacing the cap. Replace the fuel filter if it's dirty. For issues related to dirt, water, or stale fuel in the fuel system, contact an Authorized Service Dealer.
A
Ashley McintyreAug 25, 2025
What to do if my Toro Lawn Mower does not drive?
- K
  Kellie MorrisonAug 26, 2025
  If your Toro Lawn Mower isn't driving, there are several possible reasons. Ensure the bypass valve is tightly closed. If not, tighten it. Check the drive or pump belt for wear, looseness, or breakage; replace the belt if necessary. If the drive or pump belt is off a pulley, replace the belt. Replace any broken or missing idler springs. Finally, check the hydraulic fluid level; add fluid to the reservoir if it's low, or allow it to cool down if it's too hot.
N
nthomasAug 28, 2025
How to fix an uneven cutting height on my Toro 74249 Lawn Mower?
- J
  Julie GardnerAug 28, 2025
  If your Toro Lawn Mower is leaving an uneven cutting height, several factors could be responsible. Start by sharpening the blades if they are dull. If the cutting blades are bent, replace them with new ones. Ensure the mower is level from side to side and front to rear. Clean the underside of the mower deck if it's dirty. Adjust the tire pressure to the correct level. For issues related to a bent blade spindle, contact an Authorized Service Dealer.
A
Andrew SmithSep 1, 2025
How to prevent my Toro 74249 engine from overheating?
- W
  watersbrentSep 1, 2025
  If your Toro Lawn Mower engine is overheating, there are a few things you can check. Reduce the ground speed if the engine load is excessive. Ensure the oil level in the crankcase is adequate; add oil if it's low. Also, inspect the cooling fins and air passages above the engine for any obstructions and remove them.
L
Lisa LeeSep 5, 2025
Why is my Toro 74249 Lawn Mower vibrating abnormally?
- B
  Benjamin GravesSep 5, 2025
  If your Toro Lawn Mower is experiencing abnormal vibration, there are several potential causes. Start by checking the cutting blades; if they are bent or unbalanced, install new ones. Ensure the blade mounting bolt is tightened securely. Also, check the engine mounting bolts and tighten them if they are loose. Inspect the engine pulley, idler pulley, or blade pulley for looseness and tighten them as needed. For issues related to a damaged engine pulley, bent blade spindle, or loose/worn motor mount, contact an Authorized Service Dealer.
A
Anna PerezSep 9, 2025
What to do if the blades on my Toro 74249 do not rotate?
- S
  Susan OrrSep 9, 2025
  If the blades on your Toro Lawn Mower aren't rotating, there are a few things to inspect. Check the drive belt for wear, looseness, or breakage, and verify the belt tension. If the drive belt is off the pulley, install the drive belt and check the adjusting shafts and belt guides for correct positioning. If the deck belt is worn, loose, or broken, install a new deck belt. If the deck belt is off the pulley, install the deck pulley and check the idler pulley, idler arm, and spring for correct position and function. Replace any broken or missing idler springs.

Toro 74249 Specifications

General

Deck Material	Steel
Engine Type	4-cycle OHV
Cutting Width	22 inches
Drive Type	Self-propelled
Weight	80 lbs
Oil Capacity	20 oz

Summary

Safety

Safe Operating Practices

General guidelines for safe operation of the equipment.

Slope Operation

Specific safety guidelines for operating on slopes.

Rollover Protection System (ROPS)

Instructions and safety precautions for using the ROPS.

Think Safety First

Operation

Adding Fuel and Fuel System

Instructions for adding fuel, using stabilizers, and filling the tank.

Engine Oil Level Check

Starting and Stopping the Engine

Parking Brake Operation

Procedures for setting and releasing the parking brake.

Starting the Engine

Step-by-step instructions for starting the engine safely.

Stopping the Engine

Procedures for safely stopping the engine.

Power Take Off (PTO) and Safety Interlocks

PTO Operation

Steps to safely engage and disengage the power take off.

Safety Interlock System

Explanation of the safety interlock system and its testing.

Driving and Machine Adjustments

Driving Forward and Backward

Instructions for driving the machine forward and backward.

Control Lever and Height Adjustments

Procedures for adjusting lever resistance and deck cutting height.

Mower Deck Adjustments

Maintenance Schedules and Lubrication

Recommended Maintenance Schedule

Schedule of maintenance tasks based on operating hours.

Lubrication Procedures

Engine Maintenance

Air Cleaner Service

Procedures for cleaning and replacing air cleaner filters.

Engine Oil and Filter Service

Procedures for checking, changing engine oil and replacing the oil filter.

Spark Plug Service

Fuel and Electrical System Maintenance

Fuel System Maintenance

Electrical System Maintenance

Drive System Maintenance

Tracking and Tire Pressure

Cooling, Brake, and Belt Maintenance

Brake Maintenance

Belt Maintenance

Controls System Maintenance

Adjusting Control Handle Neutral Position

Hydraulic System Maintenance

Checking Hydraulic Fluid and Hoses

Replacing Hydraulic Filter and Oil

Procedure for changing the hydraulic filter and oil.

Bleeding the Hydraulic System

Hydraulic Pump Adjustment

Setting Pump Neutral Positions

Mower Deck Leveling and Pitch

Leveling the Mower Deck

Blade Service and Deflector Replacement

Blade Inspection and Servicing

Troubleshooting

Engine and Starting Problems

Solutions for starter, engine start, power loss, and overheating issues.

Drive and Cutting Issues

Blade Rotation Problems

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