1. Einleitung
The Stiga Combi 55 SQ is a robust and versatile self-propelled lawnmower designed for efficient lawn care. Featuring a powerful Stiga 160 cc engine, this model offers a 4-in-1 cutting system, allowing for collection, mulching, side discharge, and rear discharge. Its durable steel deck, ergonomic soft-grip handle, and central cutting height adjustment ensure comfortable and effective operation across various lawn conditions. This manual provides detailed instructions for the safe assembly, operation, and maintenance of your Stiga Combi 55 SQ lawnmower.

Abbildung 1: Vorderseite view of the Stiga Combi 55 SQ Lawnmower.
2. Sicherheitshinweise
Always prioritize safety when operating the lawnmower. Failure to follow these instructions may result in serious injury or damage to the machine.
- Lesen Sie das Handbuch: Before operating, read and understand all instructions in this manual.
- Persönliche Schutzausrüstung (PSA): Always wear sturdy footwear, long trousers, and eye protection. Consider hearing protection.
- Räumen Sie den Bereich frei: Before starting, clear the mowing area of stones, sticks, wires, and other debris that could be thrown by the blades.
- Halten Sie Unbeteiligte fern: Ensure children, pets, and other people are at a safe distance (at least 15 meters) from the mowing area.
- Kraftstoffhandhabung: Refuel outdoors in a well-ventilated area with the engine off and cool. Do not smoke while refueling.
- Hangbetrieb: Exercise extreme caution when mowing on slopes. Mow across the face of slopes, never up and down. Avoid excessively steep slopes.
- Klingensicherheit: Halten Sie Hände und Füße niemals in die Nähe von rotierenden Teilen. Trennen Sie das Zündkerzenkabel, bevor Sie Wartungsarbeiten durchführen oder Verstopfungen beseitigen.
- Motor aus: Turn off the engine and wait for the blade to stop completely before leaving the mower, clearing the grass collector, or making adjustments.
- Wartung: Regularly inspect the mower for damage, loose parts, or worn blades. Replace damaged parts immediately.
3. Aufbau und Montage
Your Stiga Combi 55 SQ lawnmower requires some assembly before first use. Follow these steps carefully.
3.1 Auspacken
- Entnehmen Sie vorsichtig alle Komponenten aus der Verpackung.
- Prüfen Sie anhand der Packliste, ob alle Teile vorhanden sind.
- Verpackung für spätere Lagerung oder Transport aufbewahren.

Abbildung 2: Überview of components included with the Stiga Combi 55 SQ Lawnmower.
3.2 Griffmontage
- Unfold the lower handle section and secure it using the provided bolts and knobs.
- Attach the upper handle section to the lower section, ensuring the quick-release levers are securely fastened.
- Adjust the handle height to a comfortable operating position using the quick-release mechanism.
- Route the control cables along the handle and secure them with the provided clips. Ensure cables are not pinched.
3.3 Grasfangkorb-Baugruppe
- Assemble the grass collector bag by attaching the fabric bag to the frame, if not pre-assembled.
- Lift the rear discharge flap and hook the grass collector onto the mower chassis. Ensure it is securely seated.
3.4 Fuel and Oil
- Motoröl: Before first use, fill the engine with the recommended type and amount of engine oil (refer to engine manual for specifics, typically SAE 30 or 10W-30). Do not overfill.
- Kraftstoff: Fill the fuel tank with fresh, unleaded gasoline. The fuel tank capacity is 1 liter. Do not use E85 or other alternative fuels.
4. Bedienungsanleitung
Follow these steps for safe and effective operation of your Stiga Combi 55 SQ lawnmower.
4.1 Motor starten
- Stellen Sie sicher, dass das Zündkerzenkabel fest angeschlossen ist.
- Push the primer bulb 3-5 times (if equipped) until fuel is visible.
- Move the throttle lever (if present) to the "FAST" or "START" position.
- Grip the engine brake lever firmly against the handle. The engine will not start unless this lever is held.
- Pull the starter rope with a smooth, continuous motion until the engine starts. Do not let the rope snap back.
- Once started, release the starter rope slowly.
4.2 Einstellen der Schnitthöhe
The cutting height can be centrally adjusted to 5 positions, ranging from 25 mm to 80 mm.
- Ensure the engine is off and the blade has stopped rotating.
- Locate the central height adjustment lever on the mower deck.
- Ziehen Sie den Hebel nach außen und stellen Sie ihn auf die gewünschte Höhe ein.
- Release the lever, ensuring it locks into place.
4.3 Mähtechniken (4-in-1-System)
The Combi 55 SQ offers four cutting options:
- Sammlung: For a tidy finish, attach the 70-liter grass collector. Empty the bag regularly to maintain collection efficiency.
- Mulchen: For returning nutrients to the lawn, insert the mulching plug (if provided) into the rear discharge opening. This finely chops grass clippings.
- Seitenauswurf: For very tall grass or areas where collection is not required, attach the side discharge chute.
- Rear Discharge: For general mowing without collection, remove the grass collector and mulching plug.
For best results, mow when the grass is dry. Avoid cutting more than one-third of the grass blade length at a time. Overlap each pass slightly to ensure an even cut.

Abbildung 3: Seite view of the Stiga Combi 55 SQ Lawnmower, showing the grass collector.
4.4 Abstellen des Motors
To stop the engine, release the engine brake lever. The engine will shut off automatically.
5. Wartung
Regular maintenance ensures the longevity and optimal performance of your lawnmower. Always disconnect the spark plug wire before performing any maintenance.
5.1 Reinigung
- After each use, clean the underside of the mower deck to prevent grass buildup. The mower features a hose connection for easy cleaning; simply attach a garden hose and run the engine briefly (with blade engaged) to clean the deck.
- Reinigen Sie die Außenseite des Rasenmähers mit einem Tuch.amp cloth. Do not use high-pressure washers directly on the engine or electrical components.
- Empty and clean the grass collector regularly.
5.2 Klingenpflege
- Inspect the blade regularly for sharpness and damage. A dull blade tears grass, leading to an unhealthy lawn.
- Sharpen or replace the blade as needed. Always use genuine Stiga replacement parts.
- When removing or installing the blade, wear heavy-duty gloves and ensure the spark plug wire is disconnected.
5.3 Motorwartung
- Öl Level: Check the engine oil level before each use and top up if necessary. Change the oil according to the engine manufacturer's recommendations (typically after the first 5 hours, then every 25-50 hours).
- Luftfilter: Clean or replace the air filter regularly, especially in dusty conditions. A clogged air filter can reduce engine performance.
- Zündkerze: Die Zündkerze sollte jährlich geprüft und gereinigt werden. Verschleiß oder Verschmutzungen sind zu beheben.
- Kraftstoffsystem: Use fresh fuel. For long-term storage, drain the fuel tank or use a fuel stabilizer.
6. Fehlerbehebung
In diesem Abschnitt werden häufige Probleme behandelt, die bei Ihrem Rasenmäher auftreten können.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Motor springt nicht an | No fuel; Spark plug wire disconnected; Engine brake not engaged; Stale fuel; Clogged air filter. | Add fresh fuel; Connect spark plug wire; Hold engine brake lever; Drain and refill with fresh fuel; Clean/replace air filter. |
| Der Motor läuft unrund oder geht aus. | Clogged air filter; Stale fuel; Dirty spark plug; Low oil level. | Clean/replace air filter; Drain and refill with fresh fuel; Clean/replace spark plug; Check and add oil. |
| Ungleichmäßiger Schnitt | Dull or bent blade; Uneven wheel height adjustment; Excessive grass height. | Sharpen or replace blade; Ensure all wheels are set to the same height; Mow more frequently or raise cutting height. |
| Übermäßige Vibration | Bent or unbalanced blade; Loose engine mounting bolts. | Inspect and replace blade if bent; Tighten all bolts. If problem persists, consult service. |
7. Spezifikationen
Technical specifications for the Stiga Combi 55 SQ Lawnmower.
| Besonderheit | Spezifikation |
|---|---|
| Modell | 294556848/S17 |
| Motor | Stiga ST 55 OHV, 160 cm³ |
| Nutzbare Leistung | 2.51 kW bei 2800 U/min |
| Laufwerkstyp | Self-propelled, Rear-wheel drive |
| Geschwindigkeit | 3.8 km/h |
| Schnittbreite | 53 cm |
| Schnitthöhenpositionen | 5 (central adjustment) |
| Schnitthöhenbereich | 25 – 80 mm |
| Schneidsystem | 4-in-1 (Collection, Mulching, Side Discharge, Rear Discharge) |
| Kapazität des Grasfangkorbs | 70 liters (Hybrid with fabric) |
| Kraftstofftankkapazität | 1 Liter |
| Deck Material | Legierter Stahl |
| Räder | 200/280 mm on ball bearings with soft tread |
| Arbeitsbereich | 1600 - 2300 m² |
| Gemessener Schallpegel | 98 dB(A) |
| Vibrationspegel | 7.5 m/s² |
| Nettogewicht | 39 kg |
8. Garantie und Support
For warranty information, please refer to the warranty card included with your product or visit the official Stiga webBewahren Sie Ihren Kaufbeleg für Garantieansprüche auf.
For technical support, spare parts, or service, please contact your authorized Stiga dealer or the Stiga customer service department. Ensure you have your model number (294556848/S17) and serial number ready when contacting support.





