1. Einleitung
Thank you for choosing the Lehmann LGALM-2646 Gasoline Lawn Mower. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new lawn mower. Please read this manual thoroughly before operating the machine and keep it for future reference.
1.1 Sicherheitshinweise
Beachten Sie stets die grundlegenden Sicherheitsvorkehrungen, um das Risiko von Bränden, Stromschlägen und Verletzungen zu verringern. Die Nichtbeachtung dieser Anweisungen kann zu schweren Verletzungen oder zum Tod führen.
- Read and understand all instructions before operating the lawn mower.
- Halten Sie Kinder und Unbeteiligte vom Arbeitsbereich fern.
- Tragen Sie geeignete persönliche Schutzausrüstung (PSA), einschließlich Augenschutz, Gehörschutz und festem Schuhwerk.
- Betreiben Sie den Rasenmäher nicht bei nassem Gras oder Regen.
- Ensure the engine is off and the spark plug cap is disconnected before performing any maintenance or clearing blockages.
- Tanken Sie in einem gut belüfteten Bereich bei ausgeschaltetem und abgekühltem Motor. Rauchen Sie während des Tankvorgangs nicht.
- Inspect the area to be mowed and remove any objects that could be thrown by the blades.
2. Produktüberschreitungview
Familiarize yourself with the components of your Lehmann LGALM-2646 lawn mower.

Abbildung 2.1: Insgesamt view of the Lehmann LGALM-2646 Gasoline Lawn Mower, including the grass collection bag, two spare blades, and a bottle of engine oil.

Abbildung 2.2: Ausführlich view of the handlebar controls. (1) Engine Stop Lever, (2) Drive Lever.
2.1 Schlüsselkomponenten
- Motor: 146 cm3, 3.5 HP gasoline engine.
- Mähdeck: Robust steel housing for durability.
- Klingen: Rotary cutting blades.
- Räder: Equipped with rear-wheel drive for improved maneuverability.
- Lenker: Features a folding function for compact storage.
- Grasfangsack: Detachable bag for collecting grass clippings.
- Hebel zur Einstellung der Schnitthöhe: Centralized lever for adjusting cutting height.
3. Einrichtung
3.1 Montage
The lawn mower requires minimal assembly. Follow these steps:
- Packen Sie alle Komponenten aus dem Karton aus.
- Attach the handlebar to the main unit using the provided bolts and knobs. Ensure the handle is securely locked in the operating position.
- Assemble the grass collection bag if it came disassembled.
- Mount the grass collection bag onto the rear of the mower.
3.2 Erste Kontrollen
Before first use, perform the following checks:
- Motoröl: Check the engine oil level. Fill with appropriate 4-stroke engine oil if necessary (refer to engine manual for oil type and capacity).
- Kraftstoff: Füllen Sie den Kraftstofftank mit frischem, bleifreiem Benzin. Nicht überfüllen.
- Zündkerze: Ensure the spark plug cap is securely connected.
- Klingen: Inspect the cutting blade for sharpness and damage. Ensure it is securely fastened.
- Befestigungsmaterial: Check all nuts, bolts, and screws for tightness.
4. Bedienung
4.1 Motor starten
Follow these steps to start your lawn mower:

Figure 4.1: Starting the engine by pulling the recoil starter cord.
- Ensure the lawn mower is on a flat, level surface.
- Drücken Sie die Primerpumpe (falls vorhanden) 3-5 Mal, bis Kraftstoff sichtbar ist.
- Hold the engine stop lever (1 in Figure 2.2) firmly against the handlebar. The engine will not start unless this lever is held.
- Pull the recoil starter cord with a swift, continuous motion until the engine starts. Do not let the cord snap back.
- Once the engine starts, release the recoil starter cord slowly.
- To engage the rear-wheel drive, hold the drive lever (2 in Figure 2.2) against the handlebar. Release it to disengage.
4.2 Mähen
For best results, mow when the grass is dry. Overlap cutting swaths slightly to ensure even coverage.

Figure 4.2: The lawn mower in operation on a lawn.
4.3 Schnitthöhenverstellung
The Lehmann LGALM-2646 features a 7-stage central cutting height adjustment, ranging from 25 mm to 70 mm.
- Turn off the engine and wait for the blade to stop completely.
- Locate the cutting height adjustment lever, typically near one of the rear wheels.
- Pull the lever outwards and move it to the desired height setting. The settings are usually numbered or indicated by notches.
- Stellen Sie sicher, dass alle Räder auf die gleiche Höhe eingestellt sind, um einen gleichmäßigen Schnitt zu gewährleisten.
5. Wartung
Regular maintenance ensures optimal performance and extends the life of your lawn mower. Always disconnect the spark plug cap before performing any maintenance.
5.1 Reinigung
Clean the mower after each use, especially the cutting deck, to prevent grass buildup and corrosion.

Figure 5.1: Area under the cutting deck that requires regular cleaning to prevent grass buildup and maintain performance.
- Remove the grass collection bag and empty it.
- Tilt the mower onto its side (with the carburetor facing upwards to prevent oil leakage) and scrape off any accumulated grass clippings from the underside of the deck.
- Reinigen Sie die Außenseite mitamp cloth. Do not use a high-pressure washer directly on the engine or electrical components.

Figure 5.2: The robust steel housing is designed to resist corrosion, contributing to the mower's longevity.
5.2 Klingenpflege
A sharp blade ensures a clean cut and healthy lawn. Inspect the blade regularly for sharpness and damage.
- Ist die Klinge stumpf, kann sie von einem qualifizierten Servicetechniker geschärft oder ausgetauscht werden.
- If the blade is bent or damaged, it must be replaced immediately to prevent vibration and potential injury.
5.3 Speicherung
For long-term storage (over 30 days), prepare the mower as follows:
- Drain the fuel tank or add a fuel stabilizer. Run the engine until it stops to consume all fuel in the carburetor.
- Wechseln Sie das Motoröl.
- Clean the entire mower thoroughly.
- Store in a dry, well-ventilated area, away from direct sunlight and extreme temperatures. The folding handle allows for more compact storage.
6. Fehlerbehebung
Dieser Abschnitt bietet Lösungen für häufig auftretende Probleme.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Motor startet nicht | No fuel; Spark plug cap loose; Engine stop lever not held; Stale fuel; Clogged fuel filter; Faulty spark plug. | Add fresh fuel; Connect spark plug cap securely; Hold engine stop lever; Drain and refill with fresh fuel; Clean/replace fuel filter; Replace spark plug. |
| Der Motor läuft unrund oder geht aus. | Dirty air filter; Stale fuel; Clogged carburetor; Incorrect oil level. | Clean/replace air filter; Drain and refill with fresh fuel; Clean carburetor (professional service recommended); Adjust oil level. |
| Ungleichmäßiger Schnitt | Dull or bent blade; Wheels set to different heights; Uneven terrain. | Sharpen or replace blade; Ensure all wheels are at the same cutting height; Mow on level ground where possible. |
| Übermäßige Vibration | Bent or unbalanced blade; Loose blade bolt; Debris caught in blade area. | Inspect and replace blade if bent; Tighten blade bolt; Clear debris from under the deck. |
7. Spezifikationen
Technical data for the Lehmann LGALM-2646 Gasoline Lawn Mower.
| Besonderheit | Detail |
|---|---|
| Modellnummer | LGALM-2646 |
| Hubraum | 146 cm³ |
| Motorleistung | 3.5 PS |
| Laufwerkstyp | Rear-Wheel Drive (Gasoline-powered) |
| Schnittbreite | 46 cm |
| Schnitthöheneinstellung | 7 Sekundentage central adjustment |
| Schnitthöhenbereich | 25 - 70 mm |
| Gehäusematerial | Robuster Stahl |
| Lenker | Faltfunktion |
| Artikelgewicht | 29 kg |
| Produktabmessungen (T x B x H) | 150 x 52 x 112 cm |
| Farbe | Schwarz / Rot |
8. Garantie und Support
For warranty information or technical support, please contact Lehmann customer service. Keep your purchase receipt as proof of purchase.
For further assistance, visit the official Lehmann webWebsite oder wenden Sie sich an Ihren Händler vor Ort.
Hersteller: Lehmann
Marke: LEHMANN





