Toro SR4 Super Recycler Lawn Mower Manual

The Toro SR4 Super Recycler is a high-performance, self-propelled walk-behind lawn mower featuring the innovative Super Recycler® cutting system that mulches, bags, and side-discharges clippings. It includes a powerful engine, Personal Pace® self-propulsion system, easy-fold handle, electric start capability (on select models), and durable steel deck. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Assembly & Setup 4. Specifications 5. Controls and Operation 6. Cutting Systems 7. Maintenance Schedule 8. Storage 9. Warranty Information 10. Troubleshooting

Features at a Glance

Key components: Steel cutting deck, Personal Pace® control lever, Engine control lever, Height adjustment levers, Mulching plug, Grass bag, Electric start button (if equipped), Fuel tank, Oil fill cap.

Feature	Description
Super Recycler® System	Triple-action cutting for superior mulching, bagging, or side discharge
Personal Pace®	Self-propulsion system automatically matches speed to your walking pace
Easy-Fold Handle	Quickly folds for compact storage
Electric Start (select models)	Push-button starting for convenience
Height Adjustment Levers	Single-lever adjustment for all four wheels (1.5" to 4" cutting height)
Durable Steel Deck	Corrosion-resistant, reinforced design
Engine Control Lever	Combines choke, throttle, and engine stop functions
Fuel Gauge	Visible fuel level indicator
Grass Bag	High-capacity bag with easy-empty feature
Mulching Plug	Converts mower to mulching mode

Safety Information

Read and understand all instructions before operating. Always wear appropriate safety gear.

Clear mowing area of debris, stones, toys, and other objects.
Never operate without proper guards, plates, or grass bag in place.
Do not mow wet grass or in poor lighting conditions.
Keep hands and feet away from rotating blades and discharge area.
Stop engine and remove key before unclogging, adjusting, or performing maintenance.

WARNING! Gasoline is flammable. Refuel outdoors in a well-ventilated area with engine off and cool. Do not smoke near fuel.

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools (included).

Attach handle: Align lower handle with deck brackets, secure with provided bolts and knobs.
Install upper handle: Connect to lower handle, secure with knobs.
Attach grass bag: Hang bag on rear bagger hooks; ensure it is securely seated.
Add oil: Check oil level; add SAE 30 detergent oil (or as specified) to full mark on dipstick.
Add fuel: Use fresh unleaded gasoline with minimum 87 octane. Do not overfill.

CAUTION! Ensure all fasteners are tight before operation. Keep assembly area clear of children and pets.

Specifications

Engine: Toro Premium 4-cycle OHV engine (model specific).
Cutting Width: 22 inches.
Cutting Height: 1.5" to 4" (adjustable in 0.25" increments).
Deck Material: Reinforced steel.
Propulsion: Personal Pace® variable speed self-propelled drive.
Starting System: Recoil start standard; electric start on select models.
Fuel Capacity: Approximately 0.5 gallons.
Oil Capacity: Approximately 20 oz. (check dipstick).
Weight: Approximately 85 lbs (varies by model).

Controls and Operation

Familiarize yourself with all controls before starting.

Starting: For electric start models: Insert key, press primer bulb 3 times, set throttle to FAST, push electric start button. For recoil start: Insert key, press primer bulb 3 times, set throttle to FAST, pull recoil starter cord firmly.

Personal Pace®: Squeeze control lever against handle to engage drive; release to stop. Speed increases as you squeeze further.

Height Adjustment: Move single lever to desired setting (1-12 positions). Ensure all wheels are at same height.

Stopping: Release Personal Pace lever, move engine control lever to STOP. Remove key.

Cutting Systems

The Super Recycler® system allows three modes:

Mulching: Install mulching plug. Cuts clippings finely and returns them to lawn as nutrient-rich mulch.
Bagging: Attach grass bag. Collects clippings for disposal or composting.
Side Discharge: Remove both mulching plug and grass bag. Discharges clippings to the side (use with optional side discharge chute).

Tip: For best mulching results, mow when grass is dry and do not cut more than 1/3 of grass height at once.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Before each use	Check oil level, inspect blade for damage, clear deck of debris
Every 25 hours	Check air filter, clean or replace if dirty
Every 50 hours	Change engine oil (more frequently in dusty conditions)
Every season	Replace spark plug, sharpen or replace blade, check drive system
As needed	Clean underside of deck, check tire pressure, lubricate moving parts

Blade Sharpening: Disconnect spark plug wire. Remove blade; sharpen at original angle (approx. 30°). Balance blade before reinstalling.

Storage

Proper storage prevents fuel system issues and corrosion.

Run engine to burn fuel from carburetor or add fuel stabilizer to fresh gasoline and run for 5 minutes.
Change engine oil at end of season.
Clean mower thoroughly, especially underside of deck.
Remove spark plug, add 1 oz. of oil to cylinder, pull starter cord slowly to distribute, reinstall plug.
Store in a clean, dry place. Fold handle for compact storage.

CAUTION! Never store mower with fuel in tank indoors or in enclosed spaces without proper ventilation.

Warranty Information

Toro Limited Warranty: Residential use warranty covers defects in materials/workmanship. Engine may have separate manufacturer's warranty. Proof of purchase required. For warranty service, contact an Authorized Toro Service Dealer. For details, visit www.toro.com or call 1-888-384-9939.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine will not start	No fuel, old fuel, clogged filter, spark plug	Add fresh fuel; check fuel line; clean/replace air filter; check/replace spark plug.
Engine runs poorly	Dirty air filter, old gasoline	Clean/replace air filter; drain and refill with fresh gasoline.
Mower does not self-propel	Drive cable loose, worn drive belt	Adjust drive cable tension; inspect and replace drive belt if worn.
Uneven cutting	Dull blade, uneven tire pressure	Sharpen or replace blade; check and adjust tire pressure to 14 PSI.
Excessive vibration	Loose blade, bent blade, debris	Stop engine, disconnect spark plug. Tighten blade bolt; replace bent blade; clean deck.
Grass not discharging properly	Wet grass, deck clogged, engine speed low	Mow when dry; clean deck; run engine at FAST speed.

Service: For repairs not covered in manual, contact an Authorized Toro Service Dealer or call 1-888-384-9939.