Toro Lawn Mower 20334 Manual

The Toro Lawn Mower Model 20334 is a versatile, self-propelled walk-behind mower featuring a 22-inch cutting deck, Briggs & Stratton engine, 3-in-1 discharge system (mulch/bag/side discharge), single-lever height adjustment, and electric start capability. Designed for residential use, it offers durable construction, easy maneuverability, and consistent cutting performance. Below are key sections covering safety, features, assembly, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Assembly Instructions 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operating the Mower 7. Maintenance & Care 8. Storage Guidelines 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: 22-inch steel cutting deck, Briggs & Stratton engine, 3-in-1 discharge system, single-lever height adjustment, electric start with backup recoil, rear bagger, and self-propelled drive system.

Feature	Description
Cutting Deck	22-inch steel deck for efficient mowing
Engine	Briggs & Stratton 140cc engine for reliable power
Discharge System	3-in-1 (mulch, bag, side discharge) for versatility
Height Adjustment	Single-lever adjusts all wheels simultaneously (1-4 inches)
Starting System	Electric start with recoil backup
Drive System	Self-propelled front-wheel drive for easy handling
Bag Capacity	2.5-bushel rear bag for reduced emptying frequency
Wheels	8-inch rear, 7-inch front wheels for stability
Handle	Foldable design for compact storage
Safety Features	Blade brake clutch system, operator presence control

Assembly Instructions

Unpack and inspect all parts. Assemble on a flat, clear surface.

Attach the handle: Align handle brackets with lower handle mounts; secure with provided bolts and knobs.
Install the bagger: Attach bag support frame to rear deck; hook bag onto frame.
Connect the battery (if electric start): Insert battery into compartment; connect terminals (red to positive, black to negative).
Attach discharge chute: Slide chute into side discharge opening; secure with wing nut.
Check oil and fuel: Add engine oil (SAE 30) to full mark; fill fuel tank with fresh unleaded gasoline.

WARNING! Wear gloves during assembly. Ensure all fasteners are tight before operation.

First-Time Setup

Prepare mower for initial use after assembly.

Check tire pressure: Inflate all tires to 15 PSI.
Adjust cutting height: Set single-lever to desired height (recommend 3 inches for first mow).
Select discharge mode: Configure for bagging, mulching, or side discharge as needed.
Test controls: Engage blade brake clutch; test drive speed control; verify electric start.
Perform safety check: Ensure all guards are in place; clear area of debris.

CAUTION! Never operate without proper assembly. Keep hands and feet away from moving parts.

Specifications

Model: Toro 20334
Cutting Width: 22 inches
Engine: Briggs & Stratton 140cc, 4-cycle
Starting System: Electric with recoil backup
Drive System: Self-propelled front-wheel drive
Cutting Height Range: 1 to 4 inches (single-lever adjustment)
Discharge Options: Mulch, bag, side discharge
Bag Capacity: 2.5 bushels
Wheel Size: 8-inch rear, 7-inch front
Weight: 75 lbs (approx.)
Fuel Capacity: 0.5 gallons
Oil Capacity: 20 oz (SAE 30)

Controls and Settings

Primary controls located on handle. Engine controls on engine housing.

Handle Controls: Drive speed control (lever), Blade engagement lever (blade brake clutch), Height adjustment lever, Electric start button (if equipped).

Engine Controls: Throttle control, Choke, Recoil starter handle, Fuel valve, Engine ON/OFF switch.

Settings: Cutting height (1-4 inches), Discharge mode (mulch plug, bagger, chute), Drive speed (variable).

Operating the Mower

Follow these steps for safe and effective mowing.

Pre-operation check: Inspect for damage; check oil/fuel; clear mowing area.
Starting engine: For electric start, insert key (if equipped), press button. For recoil, set choke, pull cord.
Engage blade: With engine running, pull blade engagement lever toward handle.
Begin mowing: Squeeze drive control lever to engage self-propelled drive; walk at comfortable pace.
Adjust speed: Use speed control lever to match terrain and grass conditions.
Change discharge mode: Stop engine; install mulch plug, bagger, or discharge chute as needed.
Shut down: Release blade engagement lever; turn engine OFF; wait for blade to stop completely.

Tip: Mow when grass is dry for best results. Overlap passes slightly for even cut.

Maintenance & Care

Regular maintenance ensures longevity and performance.

After each use: Clean underside of deck; check for debris.
Weekly: Check tire pressure; inspect blade for sharpness/damage.
Monthly: Change oil (first 5 hours, then every 50 hours); replace air filter; check spark plug.
Seasonally: Sharpen or replace blade; lubricate wheel bearings and height adjustment points.
Annual: Replace fuel filter; clean fuel tank; inspect drive belt.

WARNING! Always disconnect spark plug wire before performing maintenance.

Storage Guidelines

Proper storage prevents damage and prepares for next season.

Fuel preparation: Add fuel stabilizer; run engine 5 minutes to circulate. Or drain fuel completely.
Clean thoroughly: Remove all grass and debris from deck, engine, and bagger.
Protect engine: Change oil; remove spark plug; add teaspoon of oil to cylinder; pull starter cord slowly to distribute.
Store properly: Keep in dry, covered area. Store battery (if removable) in cool, dry place and charge periodically.

CAUTION! Never store with fuel in tank unless treated with stabilizer. Keep away from open flames.

Safety Information

Read and follow all safety instructions to prevent injury.

Wear appropriate clothing: Sturdy shoes, long pants, eye protection, hearing protection.
Clear mowing area: Remove stones, sticks, toys, and other objects.
Never operate on slopes greater than 15 degrees; mow across slopes, not up and down.
Keep bystanders, especially children and pets, at least 50 feet away.
Use blade brake clutch: Blade must stop within 3 seconds of releasing lever.
Never remove safety devices or guards.
Do not operate in reverse unless absolutely necessary.

DANGER! Rotating blade can cause severe injury. Always disconnect spark plug before any maintenance.

Warranty & Support

Toro Limited Warranty: 2-year limited warranty for residential use. Proof of purchase required. Warranty covers defects in materials/workmanship; does not cover normal wear, misuse, or lack of maintenance. For support, contact Toro Customer Service at 1-888-384-9939 or visit www.toro.com. Have model (20334) and serial number ready.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Empty fuel tank, stale fuel, clogged air filter, faulty spark plug	Add fresh fuel; clean/replace air filter; check/replace spark plug.
Poor cutting performance	Dull blade, low engine speed, clogged deck	Sharpen/replace blade; set throttle to FAST; clean underside of deck.
Self-propelled drive not working	Drive belt worn or loose, drive control cable adjustment	Inspect and tighten/replace drive belt; adjust drive control cable.
Excessive vibration	Loose blade, bent blade, unbalanced blade	Tighten blade bolt; replace bent blade; balance blade.
Engine runs rough or stalls	Dirty carburetor, old fuel, clogged fuel filter	Clean carburetor; use fresh fuel; replace fuel filter.
Grass not discharging properly	Wet grass, deck clogged, incorrect discharge mode	Mow when dry; clean deck; ensure proper mode setup.

Reset: For electric start models, check battery connection and charge.

Service: For repairs beyond basic maintenance, contact authorized Toro service dealer.