Husqvarna YTA22V46 Parts Manual

The Husqvarna YTA22V46 is a 22 HP V-Twin Hydrostatic Riding Lawn Mower with a 46-inch cutting deck. This parts manual provides detailed diagrams, part numbers, and ordering information for all components including the engine, transmission, cutting deck, steering system, electrical components, and safety features. Below are key sections for identification, engine parts, deck assembly, drive system, controls, and maintenance parts.

1. Model Identification & Specifications 2. Engine Components 3. Cutting Deck Assembly 4. Drive & Transmission System 5. Steering & Control Linkage 6. Electrical System Parts 7. Safety & Operator Presence Parts 8. Frame, Body & Wheels 9. Fasteners, Belts & Hardware 10. Maintenance & Lubrication Parts 11. Parts Ordering & Warranty

Model Identification & Specifications

Locate the model and serial number plate on the frame to ensure correct parts ordering.

Feature	Description
Model	YTA22V46
Engine	22 HP (670cc) V-Twin Cylinder, Kohler Courage SV730
Cutting Width	46 inches
Transmission	Hydrostatic, Foot Pedal Control
Deck Type	Stamped Steel, 3-Blade
Fuel Capacity	3 Gallons
Oil Capacity	2 Quarts (with filter)
Chassis	Heavy-duty Steel Frame
Turning Radius	Zero-Turn Capable (Dual Lever)
Weight	Approx. 580 lbs

Engine Components

Complete breakdown of the Kohler Courage SV730 engine parts.

Cylinder Head Assembly: Includes valves, springs, rocker arms.
Crankcase & Piston Assembly: Crankshaft, connecting rods, pistons, rings.
Fuel System: Carburetor, fuel pump, fuel lines, air filter housing.
Ignition System: Spark plugs, ignition coils, flywheel, starter motor.
Lubrication System: Oil pump, oil filter, dipstick.
Cooling System: Cooling fins, blower housing, fan.

WARNING! Always disconnect spark plug wire before servicing engine parts. Use genuine Husqvarna parts for optimal performance.

Cutting Deck Assembly

46-inch stamped steel deck with three spindle assemblies.

Deck Shell: Main housing, baffles, discharge chute.
Spindle Assemblies: Blade adapters, bearings, seals, pulleys.
Blades: Standard high-lift blades (part #532404114).
Deck Lift System: Lift arms, linkage, height adjustment lever.
Belt Drive: Deck drive belt, idler pulleys, tension spring.
Skid Shoes & Rollers: For deck height adjustment and protection.

CAUTION! Ensure deck is fully lowered and engine is off before inspecting or replacing blades.

Drive & Transmission System

Transmission: Tuff Torq K46 Hydrostatic.
Drive Belt: Main drive belt to engine pulley.
Axle & Hubs: Rear axle assembly, wheel hubs, bearings.
Brake System: Disc brake assembly, brake pedal linkage.
Hydrostatic Linkage: Control rods, neutral return spring.
Filter & Fluid: Transmission filter and hydraulic fluid.

Steering & Control Linkage

Steering wheel, tie rods, and control linkage for speed and direction.

Steering: Steering wheel, column, gear assembly, tie rod ends. Control Linkage: Speed control pedal, linkage rods, pivot points, return springs. Deck Engagement: PTO lever, cable, clutch assembly.

Electrical System Parts

Battery, wiring harness, switches, and safety sensors.

Turn off engine and remove key before servicing electrical parts.
Battery: 12V, 280 CCA. Battery tray, cables, hold-down.
Wiring Harness: Main harness, connectors, fuse holder (20A).
Switches: Ignition key switch, PTO switch, seat safety switch.
Lights: Headlight assembly (if equipped), wiring.
Charging System: Alternator/stator, voltage regulator.

Tip: Check all connections for corrosion and secure fit.

Safety & Operator Presence Parts

Critical safety components to keep mower operating correctly.

Seat Switch: Prevents engine start or causes shutdown if operator leaves seat.
Blade Brake Clutch (BBC): Stops blades when PTO is disengaged.
Reverse Operation System (ROS): Module and key switch for reverse mowing.
Safety Labels: Various warning and instruction decals.
Parking Brake Assembly: Lever, linkage, and brake engagement parts.

WARNING! Never bypass safety switches. Replace faulty switches immediately.

Frame, Body & Wheels

Main frame, body panels, and wheel assemblies.

Frame: Main welded chassis, reinforcement brackets. Body: Hood, side panels, footrests. Wheels: Front (15x6.00-6) and Rear (20x10.00-8) tires, rims, axle spacers.

Fasteners, Belts & Hardware

Common wear items and hardware kits.

Belts: Deck belt (144959), Drive belt (532140306). Blade Bolts: Shoulder bolts and flange nuts. Hardware Kits: Deck spindle bolt kit, frame bolt kit.

CAUTION! Use correct grade hardware. Do not substitute with non-specified parts.

Maintenance & Lubrication Parts

Filters, fluids, and lubrication points.

Air Filter: Outer and inner foam element. Oil Filter: Kohler 52-050-02-S. Fuel Filter: In-line filter. Grease Fittings: For spindles, linkages. Spark Plug: Champion RC12YC.

Parts Ordering & Warranty

Symptom	Common Part Needed	Part Number
Engine won't start	Ignition Switch	532192114
Deck vibration	Spindle Assembly	532140433
Loss of drive power	Drive Belt	532140306
Uneven cutting	Deck Lift Linkage	532187206
Hydrostatic leak	Transmission Filter	532140314

Ordering: Use exact part number. Provide model and serial number to dealer.

Warranty: Limited warranty applies. See your Husqvarna dealer or visit www.husqvarna.com/us/support.