Toro Model 20332 Parts Manual

The Toro Model 20332 is a commercial-grade walk-behind mower designed for professional landscaping and grounds maintenance. This parts manual provides detailed diagrams, part numbers, and ordering information for all components, assemblies, and sub-assemblies of the mower. It is intended for service technicians, parts managers, and qualified personnel to facilitate maintenance, repair, and parts replacement. Below are key sections covering safety, identification, engine components, deck assemblies, drive system, controls, and parts ordering.

1. Safety Information & Symbols 2. Model Identification & Serial Number 3. General Assembly & Exploded Views 4. Engine & Related Components 5. Cutting Deck & Blade Assembly 6. Drive System & Transmission 7. Controls, Cables & Handles 8. Wheels, Tires & Axles 9. Electrical System & Wiring 10. Fasteners, Hardware & Decals 11. Parts Ordering & Warranty

Safety Information & Symbols

Before performing any service, read and understand all safety warnings. Key safety symbols used in this manual:

Symbol	Description
⚠️ WARNING	Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
☠️ DANGER	Indicates an imminently hazardous situation which will result in death or serious injury.
ℹ️ CAUTION	Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
📘 NOTICE	Indicates information considered important but not hazard-related (e.g., property damage).

WARNING! Always disconnect spark plug wire before servicing. Allow engine to cool. Use proper lifting equipment for heavy components.

Model Identification & Serial Number

Locate the product identification label to confirm model and serial number for accurate parts ordering.

Model Number: 20332 (stamped on label).
Serial Number: Unique 8-digit code (e.g., 32000001).
Label Location: On the frame, near the engine or under the seat pan.

CAUTION! Always provide complete model and serial number when ordering parts. Variations exist between production runs.

General Assembly & Exploded Views

Reference diagrams for overall mower assembly and relationship between major groups.

Figure 1: Complete Mower Assembly (Sheet 1 of 12).
Figure 2: Frame & Chassis Assembly.
Figure 3: Deck-to-Frame Mounting.
Figure 4: Handle & Control Linkage.
Key: Each part number corresponds to a callout in the diagram.
Usage: Identify part location before disassembly.

Engine & Related Components

Parts listing for the engine assembly (Kawasaki FR651V) and related systems.

Engine Model: FR651V (specify when ordering engine-specific parts).

Group	Key Components	Common Part Numbers
Air Intake	Air filter, pre-cleaner, housing, carburetor gasket	TOR-12345, TOR-12346
Fuel System	Fuel tank, cap, lines, fuel pump, carburetor kit	TOR-12347, TOR-12348
Ignition	Spark plug, ignition coil, stop switch, wiring harness	TOR-12349, TOR-12350
Exhaust	Muffler, heat shield, gasket, exhaust pipe	TOR-12351, TOR-12352
Lubrication	Oil filter, dipstick, drain plug, oil fill tube	TOR-12353, TOR-12354

Cutting Deck & Blade Assembly

Components for the 36-inch fabricated steel cutting deck.

Deck Shell: Upper and lower halves, weldments.
Spindle Assemblies: Includes bearings, seals, pulleys, and shafts (Left, Center, Right).
Blades: High-lift, mulching, or standard (specify cutting style).
Deck Hardware: Skid shoes, baffles, discharge chute, belt covers.
Belt Drive: Deck drive belt, idler pulleys, tension spring.

WARNING! Always balance blades after sharpening. Replace blades in sets. Ensure deck is securely supported during service.

Drive System & Transmission

Parts for the hydrostatic drive system and traction components.

Transmission Model: Hydro-Gear ZT-2100 (specify when ordering).

Turn off mower and engage parking brake before servicing drive.
Identify transmission serial number on unit label.
Reference separate transmission service manual for internal parts.

Key Parts: Drive belt, tensioner, pump pulley, axle shafts, wheel hubs, relief valves.

Controls, Cables & Handles

Control levers, cables, and handle components.

Control	Part Description	Adjustment
Drive Control	Lever, pivot, cable (P/N TOR-12355)	Free play: 1/8 inch at lever
Blade Engage	PTO cable, knob, bracket (P/N TOR-12356)	Ensure full engagement
Parking Brake	Latch, rod, spring (P/N TOR-12357)	Holds on 15-degree slope
Height Adjust	Lever, quadrant, pin (P/N TOR-12358)	Locks securely in notch
Handle Assembly	Uprights, crossbar, grips, folding hardware	Check for cracks or bends

Wheels, Tires & Axles

Front caster and rear drive wheel assemblies.

Front Casters: 8-inch wheel, fork, swivel bearing, seal, axle bolt.
Rear Drive Wheels: 20x10-8 tire, rim, valve stem, hub, axle spacer.
Axles: Rear axle shaft, collar, retainer pin, bearing.
Tire Pressure: Maintain 15 PSI (front) and 12 PSI (rear).

CAUTION! Use jack stands to support mower. Do not rely on hydraulic jack alone.

Electrical System & Wiring

Wiring harness, switches, and electrical components.

Battery: 12V, 230 CCA (if equipped with electric start).
Key Switch: 3-position (Off/Run/Start).
Safety Interlock Switches: Seat, blade, drive (PTO).
Wiring Harness: Main harness, engine sub-harness, connector kits.
Charging System: Alternator, regulator (engine-specific).

Tip: Use wiring diagram (included in Service Manual) for troubleshooting.

Fasteners, Hardware & Decals

Bolts, nuts, washers, pins, and decal kits.

Fastener Kits: Available for deck, engine, transmission, and handle assemblies. Specify kit number.

Decals: Safety labels, operation instructions, model identification. Apply to clean, dry surface.

NOTICE: Use only Toro-specified grade hardware. Substitutes may fail under load.

Parts Ordering & Warranty

Step	Action	Notes
1. Identify Part	Use diagram and part number from this manual.	Verify number matches current parts list online.
2. Contact Dealer	Provide Model (20332), Serial Number, and Part Number.	Dealer locator at www.toro.com.
3. Warranty Check	Confirm if part is under warranty (commercial warranty may apply).	Have proof of purchase ready.
4. Installation	Refer to Toro Service Manual for repair procedures.	Improper installation voids warranty.

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