Toro Lawn Mower Model 20332 Parts Manual

The Toro Lawn Mower Model 20332 is a high-performance walk-behind mower designed for residential use. This manual provides detailed parts identification, diagrams, and ordering information to assist with maintenance, repair, and replacement of components. Below are key sections covering safety, parts diagrams, specifications, ordering, and troubleshooting.

1. Parts at a Glance 2. Safety Parts & Features 3. Engine Assembly Parts 4. Deck & Cutting System 5. Drive & Control System 6. Wheels & Handles 7. Specifications 8. Parts Ordering Information 9. Maintenance Schedule 10. Warranty Information 11. Troubleshooting & Replacement Guide

Parts at a Glance

Key components: Engine Assembly, Cutting Deck, Blade System, Drive System, Control Cables, Wheels, Handle Assembly, Safety Features.

Component GroupDescription
Engine AssemblyIncludes engine, air filter, spark plug, fuel tank, and mounting hardware
Cutting DeckHousing, deck shell, discharge chute, and mounting brackets
Blade SystemCutting blade, blade adapter, blade bolt, and washers
Drive SystemDrive belt, pulleys, transmission, and control linkage
Control CablesThrottle cable, drive control cable, and blade engagement cable
WheelsFront and rear wheels, axles, and wheel bearings
Handle AssemblyUpper and lower handle, control panel, and grip covers
Safety FeaturesBlade brake clutch, safety key, and operator presence control

Safety Parts & Features

Critical safety components must be inspected regularly.

  1. Blade Brake Clutch (BBC): Stops blade within 3 seconds when handle is released.
  2. Safety Key/Interlock: Prevents engine start unless properly engaged.
  3. Operator Presence Control: Stops engine if operator leaves position.
  4. Discharge Chute: Must be properly installed for safe operation.

WARNING! Never operate mower with damaged or missing safety parts. Replace immediately.

Engine Assembly Parts

Engine Model: Toro 149cc OHV Engine (or as specified).

  1. Air Filter: Part # 19-8530 (replace annually or per schedule).
  2. Spark Plug: Part # 19-8501 (gap 0.030").
  3. Fuel Tank: Part # 68-2450 (capacity 0.5 gal).
  4. Carburetor: Part # 19-8720 (with adjustment screws).
  5. Recoil Starter: Part # 19-8810 (includes rope and pulley).
  6. Muffler: Part # 19-8990 (with heat shield).

CAUTION! Disconnect spark plug before servicing engine components.

Deck & Cutting System

Drive & Control System

Drive System: Variable speed front-wheel drive.

Drive Belt: Part # 19-9810 (connects engine to transmission).

Transmission: Part # 68-2500 (sealed unit, non-serviceable).

Control Cables: Throttle cable (Part # 19-9910), Drive cable (Part # 19-9920), Blade engagement cable (Part # 19-9930).

Pulleys: Idler pulley (Part # 19-9940), Drive pulley (Part # 19-9950).

Wheels & Handles

Wheels: 8-inch rear, 7-inch front.

  1. Rear Wheels: Part # 68-2600 (includes tire and wheel assembly).
  2. Front Wheels: Part # 68-2610 (includes axle and bearings).
  3. Handle Assembly: Part # 68-2700 (folding design).
  4. Control Panel: Part # 68-2710 (houses controls and cables).
  5. Grip Covers: Part # 68-2720 (comfort grips).

Tip: Lubricate wheel bearings annually with light grease.

Specifications

Model: 20332

  1. Cutting Width: 21 inches.
  2. Engine: Toro 149cc OHV, 4-cycle.
  3. Fuel Type: Unleaded gasoline (87 octane minimum).
  4. Oil Type: SAE 30 detergent (20 oz capacity).
  5. Drive System: Variable speed front-wheel drive.
  6. Starting System: Recoil starter.
  7. Weight: 65 lbs (approx).
  8. Warranty: 2-year limited residential warranty.

WARNING! Use only specified parts and fluids. Incorrect parts may void warranty.

Parts Ordering Information

Order genuine Toro parts through authorized dealers or online.

Online: www.toro.com/parts

Phone: 1-888-384-9939 (Toro Customer Support)

Provide model number (20332) and part number when ordering.

CAUTION! Non-genuine parts may affect performance and safety.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

IntervalTaskParts Needed
Every 25 hoursCheck blade sharpness/conditionBlade (19-9601)
Every 50 hoursReplace air filterAir Filter (19-8530)
Every 100 hoursReplace spark plugSpark Plug (19-8501)
SeasonallyChange engine oilSAE 30 Oil
As neededInspect drive beltDrive Belt (19-9810)

Warranty Information

2-year limited warranty for residential use. Covers defects in materials/workmanship. Does not cover normal wear, misuse, or non-genuine parts. Proof of purchase required.

For warranty claims: Contact Toro Customer Service at 1-888-384-9939 or visit www.toro.com/warranty.

Troubleshooting & Replacement Guide

SymptomPossible CauseCorrective Action / Part Needed
Engine won't startBad spark plug, clogged air filterReplace spark plug (19-8501) or air filter (19-8530).
Poor cutting performanceDull or damaged bladeSharpen or replace blade (19-9601).
Loss of drive powerWorn drive beltReplace drive belt (19-9810).
Vibration or noiseLoose blade or damaged adapterTighten blade bolt (19-9620) or replace adapter (19-9610).
Uneven cutting heightWorn wheels or deck damageReplace wheels (68-2600/2610) or deck shell (68-2300).

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

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