The Husqvarna RZ 5426 is a 54-inch zero-turn riding mower featuring a 26 HP Kohler engine, dual hydrostatic transmissions for independent wheel control, a heavy-duty fabricated steel deck, ergonomic high-back seat, cruise control, and a 3.5-gallon fuel tank. This manual covers safety, operation, maintenance, and troubleshooting for optimal performance and longevity. Below are key sections for safe operation, features, controls, maintenance, and troubleshooting.
Key components: 26 HP Kohler engine, 54-inch fabricated steel cutting deck, dual hydrostatic transmissions, ergonomic control panel, cruise control, adjustable high-back seat, headlights, and cup holder.
| Feature | Description |
|---|---|
| Engine | 26 HP Kohler 7000 Series V-Twin OHV engine |
| Cutting Width | 54 inches (137 cm) |
| Transmission | Dual hydrostatic, zero-turn with lap bars |
| Deck Material | 10-gauge fabricated steel |
| Fuel Capacity | 3.5 gallons (13.2 L) |
| Seat | Adjustable high-back with armrests |
| Blade Engagement | Electric PTO (Power Take-Off) switch |
| Speed Control | 0-8 mph forward, 0-4 mph reverse |
| Cutting Height | 1.5 to 4.5 inches (adjustable in 0.5-inch increments) |
| Headlights | Integrated for low-light operation |
Read all instructions before operation. Wear appropriate safety gear.
WARNING! Keep hands and feet away from moving parts. Disengage blades, shut off engine, and remove key before performing maintenance.
Familiarize yourself with all controls before starting the engine.
CAUTION! Practice maneuvering in an open area without blades engaged before first mow.
Unpack and inspect all parts. Assembly requires two people.
Tip: Perform a pre-operation check of all fluid levels and tire pressure before first use.
Regular maintenance ensures optimal performance and extends mower life.
| Interval | Task |
|---|---|
| Before each use | Check tire pressure, fuel level, oil level, and for loose bolts |
| Every 8 hours | Clean deck underside of grass clippings |
| Every 50 hours | Change engine oil and oil filter |
| Every 100 hours | Replace air filter; check spark plugs |
| Every 200 hours | Replace fuel filter; check drive belt tension |
| Seasonally | Sharpen blades; grease fittings (6 points) |
CAUTION! Always disconnect spark plug wire before performing any maintenance.
Sharp blades provide a clean cut and reduce strain on the engine.
WARNING! Wear heavy gloves when handling blades. Replace blades if cracked or excessively worn.
Proper storage prevents fuel system issues and corrosion.
Tip: Consider professional servicing before long-term storage.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Dead battery, empty fuel tank, clogged fuel filter | Charge/replace battery; add fuel; replace fuel filter. |
| Poor cutting performance | Dull blades, low engine speed, clogged deck | Sharpen blades; set throttle to full; clean deck underside. |
| Uneven cutting | Uneven tire pressure, deck not level | Adjust tire pressure; level deck according to manual. |
| Excessive vibration | Loose or damaged blade, debris in blade spindle | Tighten or replace blade; clean spindle area. |
| Loss of power | Dirty air filter, old spark plugs, clogged fuel line | Replace air filter and spark plugs; check fuel line. |
| Hydrostatic transmission sluggish | Low hydraulic fluid, air in system | Check fluid level; bleed system per manual. |
Reset: For electronic issues, disconnect battery for 5 minutes then reconnect.
Husqvarna RZ 5426 is covered by a 3-year limited warranty for residential use. Warranty does not cover normal wear, misuse, or lack of maintenance. For technical support, parts, or service, contact Husqvarna authorized dealers or customer service.
Customer Support: 1-800-HUSKY62 (1-800-487-5962)
Website: www.husqvarna.com/us
Parts & Manuals: www.husqvarnaparts.com