1. Introducció
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 Instruccions de seguretat
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Failure to follow these instructions may result in serious injury or death.
- Llegiu i enteneu totes les instruccions abans de fer funcionar la tallagespa.
- Mantenir els nens i els espectadors allunyats de la zona d'operacions.
- Utilitzeu equips de protecció individual (EPI) adequats, incloent-hi protecció ocular, protecció auditiva i calçat resistent.
- No feu servir la tallagespa sobre herba mullada o pluja.
- Ensure the engine is off and the spark plug cap is disconnected before performing any maintenance or clearing blockages.
- Reompliu el dipòsit en una zona ben ventilada amb el motor apagat i fred. No fumeu mentre ompliu el dipòsit.
- Inspeccioneu la zona que s'ha de tallar i retireu qualsevol objecte que puguin ser llançat per les fulles.
2. Producte acabatview
Familiarize yourself with the components of your Lehmann LGALM-2646 lawn mower.

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

Figura 2.2: Detallada view of the handlebar controls. (1) Engine Stop Lever, (2) Drive Lever.
2.1 Components clau
- Motor: 146 cm3, 3.5 HP gasoline engine.
- Plataforma de tall: Robust steel housing for durability.
- Fulles: Rotary cutting blades.
- Rodes: Equipped with rear-wheel drive for improved maneuverability.
- Manillar: Features a folding function for compact storage.
- Bossa de recollida d'herba: Detachable bag for collecting grass clippings.
- Palanca d'ajust de l'alçada de tall: Centralized lever for adjusting cutting height.
3. Configuració
3.1 Muntatge
The lawn mower requires minimal assembly. Follow these steps:
- Desembaleu tots els components del cartró.
- 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 Comprovacions inicials
Before first use, perform the following checks:
- Oli de motor: Check the engine oil level. Fill with appropriate 4-stroke engine oil if necessary (refer to engine manual for oil type and capacity).
- Combustible: Ompliu el dipòsit de combustible amb gasolina fresca sense plom. No l'ompliu massa.
- Bujía: Ensure the spark plug cap is securely connected.
- Fulles: Inspect the cutting blade for sharpness and damage. Ensure it is securely fastened.
- Elements de fixació: Comproveu que totes les femelles, els cargols i les rosques estiguin ben ajustades.
4. Funcionament
4.1 Arrencada del motor
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.
- Press the primer bulb (if equipped) 3-5 times until fuel is visible.
- 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 Sega
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 Ajust de l'alçada de tall
The Lehmann LGALM-2646 features a 7-stage central cutting height adjustment, ranging from 25 mm to 70 mm.
- Apagueu el motor i espereu que la fulla s'aturi completament.
- 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.
- Assegureu-vos que totes les rodes estiguin a la mateixa alçada per obtenir un tall uniforme.
5. Manteniment
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 Neteja
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.
- Netegeu l'exterior amb anunciamp 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 Cura de la fulla
A sharp blade ensures a clean cut and healthy lawn. Inspect the blade regularly for sharpness and damage.
- If the blade is dull, it can be sharpened by a qualified service technician or replaced.
- If the blade is bent or damaged, it must be replaced immediately to prevent vibration and potential injury.
5.3 Emmagatzematge
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.
- Canviar l'oli del motor.
- 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. Solució De Problemes
Aquesta secció ofereix solucions a problemes comuns que podeu trobar.
| Problema | Causa possible | Solució |
|---|---|---|
| El motor no arrenca | 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. |
| El motor funciona de manera irregular o s'atura | 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. |
| Tall desigual | 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. |
| Vibració excessiva | 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. Especificacions
Technical data for the Lehmann LGALM-2646 Gasoline Lawn Mower.
| Característica | Detall |
|---|---|
| Número de model | LGALM-2646 |
| Desplaçament del motor | 146 cm³ |
| Potència del motor | 3.5 CV |
| Tipus de conducció | Rear-Wheel Drive (Gasoline-powered) |
| Amplada de tall | 46 cm |
| Ajust d'alçada de tall | 7-stage central adjustment |
| Interval d'alçada de tall | 25 - 70 mm |
| Material de l'habitatge | Robust Steel |
| Manillar | Funció plegable |
| Pes de l'article | 29 kg |
| Dimensions del producte (P x A x A) | 150 x 52 x 112 cm |
| Color | Negre / Vermell |
8. Garantia i Suport
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 weblloc o poseu-vos en contacte amb el vostre distribuïdor local.
Fabricant: Lehmann
Marca: LEHMANN





