Toro 22155 User Manual

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FormNo.3367-232RevA

Commercial21inLawnMower

ModelNo.22155—SerialNo.311000001andUp

ModelNo.22156—SerialNo.311000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Table of Contents

Questions and Answers:

M
Marcus CastilloAug 19, 2025
How to start a Toro 22155 Lawn Mower when the engine won't start?
- R
  Ronald LyonsAug 19, 2025
  If your Toro Lawn Mower engine isn't starting, several factors could be at play. First, ensure your fuel tank isn't empty and that you're using fresh gasoline; stale fuel can prevent ignition. If that's not the issue, and the engine is cold, make sure to use the choke. Also, check that the wire is securely connected to the spark plug. Finally, inspect the spark plug itself for any signs of damage like pitting or fouling, and verify the gap is correct. Replace the spark plug if necessary or adjust the gap.
E
Elizabeth ReyesAug 21, 2025
Why my Toro 22155 engine does not start?
- B
  buckleyjohnAug 21, 2025
  Several factors can prevent your Toro Lawn Mower engine from starting. The fuel tank might be empty or contain stale fuel, requiring you to drain and refill it with fresh gasoline. If the engine is cold, ensure the choke lever is in the Choke position. Also, check that the wire is securely connected to the spark plug. Finally, inspect the spark plug itself for pitting, fouling, or incorrect gap; adjust or replace it as needed. If the problem persists after these steps, seek assistance from an Authorized Service Dealer.
T
Tina GoodwinAug 25, 2025
Why does my Toro 22155 engine start hard or lose power?
- S
  Scott GarrisonAug 25, 2025
  If your Toro Lawn Mower engine starts hard or loses power, consider these possible causes: * Stale fuel: Drain the tank and refill with fresh gasoline. * Blocked fuel cap vent: Clean the vent hole or replace the cap. * Dirty air filter: Clean the air filter pre-cleaner and/or replace the paper air filter. * Clogged housing: Clean clippings and debris from under the machine housing. * Faulty spark plug: Check the spark plug, adjust the gap, or replace it if needed. * Low or dirty oil: Check the engine oil level and change the oil if it is dirty or low.
S
Sherri DavisAug 26, 2025
What to do if my Toro 22155 engine runs rough?
- A
  Allison BrowningAug 27, 2025
  A rough-running engine in your Toro Lawn Mower could be due to a few common problems. First, make sure the wire is securely connected to the spark plug. Also, inspect the spark plug itself—if it's pitted, fouled, or the gap is incorrect, address these issues by adjusting the gap or replacing the plug. Lastly, a dirty air filter element restricting airflow can cause this problem; clean the air filter pre-cleaner and/or replace the paper air filter.
T
Timothy GordonAug 28, 2025
What to do if my Toro 22155 Lawn Mower does not self-propel?
- E
  Emily KellerAug 28, 2025
  If your Toro Lawn Mower isn't self-propelling, the issue might be with the self-propel drive cable. Try adjusting the self-propel drive cable, and replace it if it's damaged. Also, check for and remove any debris under the belt cover.
K
Karen AvilaAug 30, 2025
What to do if my Toro Lawn Mower engine starts hard or loses power?
- A
  Ashley LaneAug 30, 2025
  If your Toro Lawn Mower engine starts hard or loses power, the fuel tank might contain stale fuel, so drain and refill it with fresh gasoline. Check if the fuel cap vent hole is plugged and clean it or replace the fuel cap. A dirty air filter element can restrict airflow, so clean the air filter pre-cleaner and/or replace the paper air filter. Also, clean any clippings and debris from under the mower housing. Inspect the spark plug for pitting, fouling, or an incorrect gap, and adjust or replace it if necessary. Finally, check the engine oil level and change it if it's dirty or add oil if it's low.
S
Stephen WilliamsSep 1, 2025
How to fix uneven cutting pattern of Toro 22155 Lawn Mower?
- C
  Christie EllisSep 1, 2025
  If your Toro Lawn Mower has an uneven cutting pattern, ensure all four wheels are at the same height. Sharpen and balance the blade if it is dull. Change your mowing pattern to avoid repetition. Additionally, clean the underside of the mower housing to remove any clippings and debris.
A
Alvin PhelpsSep 3, 2025
Why Toro Lawn Mower engine runs rough?
- P
  Patricia HendricksSep 4, 2025
  If your Toro Lawn Mower engine runs rough, make sure the wire is securely connected to the spark plug. Check the spark plug for pitting, fouling, or an incorrect gap, and adjust or replace it if necessary. Clean the air filter pre-cleaner and/or replace the paper air filter if the air filter element is dirty and restricting airflow.
J
Jennifer LynchSep 5, 2025
Why Toro 22155 Lawn Mower does not self-propel?
- A
  Adam BakerSep 6, 2025
  If your Toro Lawn Mower does not self-propel, adjust the self-propel drive cable or replace it if necessary. Also, clean any debris from under the belt cover.
L
lucasramosSep 8, 2025
Why is my Toro 22155 vibrating excessively?
- D
  David BradfordSep 8, 2025
  Excessive vibration in your Toro Lawn Mower can stem from several issues. Check the blade for any bending or imbalance, and balance it or replace it if bent. Ensure the blade mounting nuts and engine mounting bolts are properly tightened. Also, clean any clippings and debris from the underside of the machine housing.

Toro 22155 Specifications

General

Brand	Toro
Model	22155
Category	Lawn Mower
Language	English

Summary

Introduction to the Operator's Manual

Safety Guidelines and Precautions

General Operation Safety

Guidelines for safe general operation of the lawn mower.

Slope Operation Safety

Precautions for safely operating the mower on slopes.

Child Safety Precautions

Measures to ensure children's safety around the mower.

Service Safety and Precautions

Safety guidelines for handling gasoline and general service.

Safety Decal Information

Understanding safety decals and their locations on the mower.

Mower Setup Procedures

Loose Parts Verification

Check the list of loose parts included with the mower.

Handle Installation

Step-by-step guide to installing the mower handle.

Engine Oil Filling

Procedure for filling the engine with the correct type and amount of oil.

Recycle Plug or Grass Bag Installation

Instructions for installing the recycle plug or grass bag.

Product Overview and Components

Mower Controls Explanation

Operating the Lawn Mower

Checking Engine Oil Level

Daily procedure to check the engine oil level before use.

Fueling the Mower

Safe procedures for filling the fuel tank with gasoline.

Starting the Engine

Step-by-step guide to start the lawn mower engine.

Stopping the Engine

How to safely stop the engine and blade.

Self-Propel Drive Operation

Instructions for engaging and disengaging the self-propel drive.

Adjusting Cutting Height

Guide to setting the desired cutting height for the mower.

Clipping Management Options

How to recycle, bag, or side-discharge grass clippings.

Operating Tips and Techniques

Advice for optimal mower performance and cutting results.

Mower Maintenance Procedures

Maintenance Schedule and Preparation

Overview of maintenance tasks, intervals, and preparation steps.

Engine, Drive, and Blade Maintenance

Servicing the engine, drive system, and cutting blade.

Cleaning and Storage Preparation

Steps for cleaning the mower and preparing it for storage.

General Information and Storage Removal

General Mower Information

General checks and upkeep for the mower.

Removing Mower from Storage

Steps to take to prepare the mower after storage.

Troubleshooting Common Issues

Toro Warranty Information

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