Toro Mower Model 21464 Parts Manual

This parts manual provides detailed information, diagrams, and part numbers for the Toro Model 21464 lawn mower. It is intended for use by technicians and owners for maintenance, repair, and ordering genuine Toro replacement parts. Below are key sections covering safety, engine components, cutting deck assembly, drive system, controls, fasteners, and ordering information.

1. Introduction & Safety 2. Engine Assembly & Components 3. Cutting Deck & Blade Assembly 4. Drive System & Transmission 5. Controls & Handle Assembly 6. Wheels, Axles & Chassis 7. Fasteners, Hardware & Belts 8. Electrical System 9. Exploded Views & Diagrams 10. Parts Ordering & Warranty 11. Troubleshooting & Service

Introduction & Safety

This manual covers the Toro Recycler® Model 21464 walk-behind mower. Always refer to the original operator's manual for safe operating procedures.

TopicDescription
Manual PurposeIdentify and order correct replacement parts.
Model IdentificationLocate model and serial number plate on mower deck.
Safety SymbolsUnderstand DANGER, WARNING, CAUTION notices in diagrams.
General SafetyDisconnect spark plug before servicing. Use genuine Toro parts.

WARNING! Failure to follow safety instructions can result in serious injury or death. Always disconnect the spark plug wire before performing any maintenance or repair.

Engine Assembly & Components

Model 21464 is typically equipped with a Briggs & Stratton or Toro engine. Refer to your specific engine model number for exact parts.

  1. Air Filter: Part # 92-0111 (example). Replace annually or more often in dusty conditions.
  2. Spark Plug: Part # 92-1337 (example). Gap: 0.030 inch.
  3. Carburetor Kit: Includes gaskets and diaphragm.
  4. Recoil Starter Assembly: Rope, pulley, and spring.
  5. Oil Drain Plug & Gasket: For engine oil changes.

CAUTION! Engine parts are under warranty by the engine manufacturer. Consult engine manual for specific service procedures.

Cutting Deck & Blade Assembly

21-inch steel Recycler® cutting deck. Key parts include blade, blade adapter, and deck housing components.

WARNING! Mower blades are extremely sharp. Always wear gloves and ensure the mower is securely tipped or supported when working on the deck.

Drive System & Transmission

Front-wheel drive system with drive belt and transmission.

ComponentPart NumberDescription
Drive Belt112-4241V-belt connecting engine to transmission.
Drive Control Cable112-4242Links handle lever to transmission.
Transmission Assembly112-4240Complete front-wheel drive unit.
Axle & Wheel Hub112-4239For drive wheels.

Controls & Handle Assembly

Handle with control levers for drive and blade engagement.

  1. Handle Assembly (Complete): Part # 112-4238.
  2. Blade Control Bail: Part # 112-4237. Spring-return lever.
  3. Drive Control Lever:Part # 112-4236.
  4. Handle Knob: Part # 112-4235. Grips for rear handle.
  5. Wiring Harness: Part # 112-4234. For safety interlock system.

Wheels, Axles & Chassis

Parts for mobility and frame structure.

Fasteners, Hardware & Belts

Common hardware and consumable items.

Note: Many hardware items (nuts, bolts, washers) are standard. Toro recommends using factory parts for critical applications.

ItemPart Number
Deck Belt (if equipped with bagger)112-4228
Flange Lock Nut (M8)12-9020
Shoulder Bolt (Handle Pivot)112-4227
Spring (Blade Control)112-4226

Electrical System

Basic electrical components for starting and safety.

  1. Ignition Module (Solid State): Part # 112-4225.
  2. Wiring Harness (Main): Part # 112-4234 (see section 6).
  3. Safety Interlock Switch (Blade): Part # 112-4224.
  4. Safety Interlock Switch (Drive): Part # 112-4223.

CAUTION! Electrical troubleshooting should be performed by a qualified technician. Incorrect wiring can cause unsafe operation.

Exploded Views & Diagrams

Refer to the following diagram references for part identification and assembly relationships.

Tip: Match the number callouts in the diagrams with the part numbers listed in the corresponding sections of this manual.

Parts Ordering & Warranty

How to order genuine Toro parts and warranty information.

  1. Always provide the mower Model Number (21464) and Serial Number.
  2. Use the Part Numbers listed in this manual.
  3. Contact an authorized Toro service dealer or order online at www.toro.com.
  4. Warranty: Parts may be covered under the original mower warranty. Proof of purchase required.

Note: Part numbers are subject to change. Verify with your dealer for the latest information.

Troubleshooting & Service

SymptomPossible CauseParts/Service Action
Mower won't startFaulty spark plug, stale fuelReplace spark plug (92-1337). Drain and replace fuel.
Loss of power or vibrationDamaged or dull bladeReplace blade (92-4249) and blade bolt (12-9030).
Drive system not engagingWorn drive belt, faulty cableInspect/replace drive belt (112-4241) or control cable (112-4242).
Uneven cutDeck plugged, bent bladeClean deck, check blade for damage and balance.
Wheel wobble or looseWorn bushings or axleReplace wheel bushing (112-4231) or axle/hub assembly.

Service Support: For technical assistance, contact Toro Customer Service at 1-888-384-9939 or visit www.toro.com.

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