The Husqvarna YTH22V46 is a 22 HP V-Twin Hydrostatic Riding Lawn Mower with a 46-inch cutting deck. This manual provides detailed repair, maintenance, and troubleshooting procedures for the engine, transmission, cutting system, electrical components, and safety features. Below are key sections covering safety, specifications, component identification, maintenance schedules, repair procedures, and troubleshooting guides.
Key components: 22 HP Briggs & Stratton V-Twin engine, Hydrostatic transmission, 46-inch fabricated steel cutting deck, Electric PTO clutch, 12V battery, Headlights, Hour meter, Cup holder, Adjustable high-back seat.
| Feature | Description |
|---|---|
| Engine | 22 HP Briggs & Stratton V-Twin, OHV, electric start |
| Transmission | Tuff Torq K46 Hydrostatic, infinite forward/reverse speeds |
| Cutting Deck | 46-inch fabricated steel, 3-blade system, manual engagement lever |
| Cutting Height | 1.5 to 4 inches, adjustable via single lever |
| Fuel Capacity | 3 gallons (gasoline) |
| Battery | 12V, 280 CCA |
| Drive System | Rear-wheel drive, automotive-type steering |
| Max Speed | Approximately 5.5 mph forward, 2.5 mph reverse |
| Turning Radius | 18 inches (zero-turn capability with hydrostatic control) |
| Warranty | Limited 2-year residential warranty |
Before performing any repair or maintenance, ensure the mower is on a level surface, engine is off, parking brake is engaged, key is removed, and spark plug wire is disconnected.
WARNING! Gasoline is flammable; work in well-ventilated area away from sparks or flames. Always replace safety shields after repair.
Locate key parts: Engine components (air filter, carburetor, oil dipstick, spark plug), Transmission (hydrostatic pump, drive axle), Cutting deck (spindles, blades, belt), Electrical (battery, starter, PTO switch, fuses), Controls (steering wheel, brake pedal, throttle, blade engagement lever).
Diagram Reference: See Section 11 for exploded views and part numbers.
Follow this schedule to ensure optimal performance and longevity.
| Interval (Hours) | Task |
|---|---|
| Before each use | Check tire pressure, inspect for loose parts, check oil level |
| 8 | Check deck belt tension, inspect blades for damage |
| 25 | Change engine oil (first 5 hours for break-in), clean air filter |
| 50 | Replace spark plug, grease spindles and fittings, check battery |
| 100 | Change transmission fluid, replace air filter, inspect drive belt |
| 200 | Replace fuel filter, check brake adjustment, inspect steering |
| Seasonal | Stabilize fuel, clean deck, store properly |
Common procedures for Briggs & Stratton 44T707 engine.
Note: For major repairs (crankshaft, connecting rod), refer to Briggs & Stratton service manual or authorized dealer.
Hydrostatic Tuff Torq K46 service.
CAUTION! Do not mix transmission fluids. Use only specified fluid to avoid damage.
Maintain cutting performance and safety.
WARNING! Always disconnect spark plug before blade service. Wear heavy gloves.
12V system troubleshooting and repair.
| Component | Test/Procedure |
|---|---|
| Battery | Load test; voltage should be >12.6V; clean terminals |
| Starter | Check solenoid click; bench test if no engagement |
| PTO Clutch | Test resistance (2.5-4.0 ohms); check wiring for breaks |
| Fuses | 20A fuse in red holder near battery; replace if blown |
| Ignition Switch | Continuity test across terminals per diagram |
| Safety Switches | Seat, brake, PTO interlock switches; bypass for testing |
Tip: Use multimeter for voltage and continuity checks. Refer to wiring diagram in Section 11.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Dead battery, bad solenoid, safety switch, fuel issue | Charge battery; check switches; ensure fuel valve on; check spark. |
| Engine runs rough | Dirty air filter, old spark plug, bad fuel | Replace filter and plug; drain old gas; check carburetor. |
| Loss of power | Clogged fuel filter, dirty deck, worn drive belt | Replace filter; clean deck underside; adjust/replace belt. |
| Poor cutting quality | Dull blades, uneven deck, low engine RPM | Sharpen blades; level deck; set throttle to full. |
| Hydrostatic transmission slips | Low fluid, worn belt, adjustment needed | Check fluid level; replace drive belt; adjust linkage. |
| PTO won't engage | Blown fuse, faulty clutch, switch failure | Replace fuse; test clutch resistance; check PTO switch. |
| Battery drains quickly | Bad alternator, parasitic draw, old battery | Test charging voltage (13.5-14.5V); check for shorts; replace battery. |
Reset: Disconnect battery for 10 minutes to reset electrical system.
Service: For complex issues, contact authorized Husqvarna dealer or 1-800-487-5952.
Refer to official Husqvarna parts catalog for YTH22V46. Common part numbers:
Note: Part numbers may vary by production year. Always verify with serial number.
For diagrams, visit Husqvarna Parts Diagrams and enter model YTH22V46.