1. Einleitung
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Einhell GC-PM 40/1 Thermal Lawn Mower. This robust and reliable gardening tool is designed for mowing medium-sized lawn areas up to 800 m².
Please read this manual thoroughly before operating the lawn mower to ensure proper use and to prevent injury or damage. Keep this manual in a safe place for future reference.

Figure 1: The Einhell GC-PM 40/1 Thermal Lawn Mower, a robust and reliable tool for lawn care.
2. Sicherheitshinweise
Always observe the following safety precautions when operating your lawn mower:
- Lesen Sie das Handbuch: Familiarize yourself with all controls and proper use before starting the engine.
- Persönliche Schutzausrüstung: Wear sturdy footwear, long trousers, and eye protection. Do not operate barefoot or in open sandals.
- Räumen Sie den Bereich frei: Before mowing, clear the area of stones, sticks, wires, and other debris that could be thrown by the blade.
- Halten Sie Unbeteiligte fern: Stellen Sie sicher, dass Kinder, Haustiere und andere Personen einen sicheren Abstand (mindestens 15 Meter) zur Mähfläche einhalten.
- Kraftstoffhandhabung: Refuel outdoors only. Do not smoke while refueling. Allow the engine to cool before adding fuel. Store fuel in approved containers.
- Motorbetrieb: Do not operate the engine in enclosed spaces where carbon monoxide fumes can accumulate.
- Slope Safety: Mow across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes. Avoid mowing excessively steep slopes.
- Klingensicherheit: Never place hands or feet near rotating parts. Always stop the engine and disconnect the spark plug wire before performing any adjustments, cleaning, or maintenance.
- Wartung: Regularly check all nuts, bolts, and screws to ensure the equipment is in safe working condition. Replace worn or damaged parts immediately.
3. Produktüberschreitungview
The Einhell GC-PM 40/1 is a push-type thermal lawn mower designed for efficient lawn maintenance. Key features include:
- Motor: A powerful 4-stroke, 1-cylinder engine delivering 1.2 kW of power with a maximum speed of 2,900 RPM.
- Schnittbreite: A generous 40 cm cutting width for efficient coverage.
- Schnitthöheneinstellung: Features a 3-level single-wheel cutting height adjustment, allowing settings from 30 mm to 60 mm.
- Grasfangsack: Equipped with a durable 45-liter fabric grass collection bag. It includes a fill-level indicator and two handles for easy emptying.
- Lenker: A foldable handlebar for compact storage and easy transport. The starting cable is conveniently located on the handlebar for effortless starting.
- Gehäuse: Constructed with a robust and aesthetically pleasing solid plastic housing.

Abbildung 2: Nahaufnahme view of the mower's engine and durable plastic deck.

Figure 3: The 45-liter fabric grass collection bag with its fill-level indicator.

Figure 4: The foldable handlebar design for convenient storage and transport.

Figure 5: The 3-level single-wheel cutting height adjustment mechanism.
4. Einrichtung
Before first use, the lawn mower requires some assembly and preparation.
4.1 Lenkermontage
- Unfold the lower handlebar section and secure it with the provided bolts and wing nuts.
- Attach the upper handlebar section, ensuring the starting cable is routed correctly and not pinched. Secure with the remaining bolts and wing nuts.
4.2 Motoröl nachfüllen
The engine is supplied without oil. It is crucial to fill the engine with appropriate 4-stroke engine oil before starting. Refer to the engine manual for specific oil type and capacity. Do not overfill.
4.3 Kraftstoff nachfüllen
Use fresh, unleaded petrol (gasoline) with an octane rating of at least 91 RON. Do not use E85 or other ethanol blends not approved for small engines. Fill the fuel tank carefully, avoiding spills. Ensure the fuel cap is securely tightened.
4.4 Erste Kontrollen
- Überprüfen Sie, ob alle Befestigungselemente fest sitzen.
- Stellen Sie sicher, dass das Zündkerzenkabel fest angeschlossen ist.
- Verify the grass collection bag is correctly attached.
5. Betrieb
Befolgen Sie diese Schritte für einen sicheren und effektiven Betrieb Ihres Rasenmähers.
5.1 Einstellen der Schnitthöhe
The cutting height can be adjusted to 3 levels (30-60 mm) using the single wheel adjustment mechanism. Ensure the engine is off and the spark plug wire is disconnected before making adjustments. Lift the mower slightly and move the adjustment lever to the desired height setting.
5.2 Motor starten
- Stellen Sie sicher, dass der Kraftstofftank gefüllt ist und der Ölstand stimmt.
- Press the primer bulb (if present) 3-5 times until fuel is visible.
- Hold the engine brake lever against the handlebar.
- Pull the starter cord firmly and steadily until the engine starts. Do not let the cord snap back.
5.3 Mähen
Push the mower at a steady pace. For best results, overlap each pass slightly. Avoid mowing wet grass, as it can clog the mower and lead to an uneven cut. The mower is recommended for areas up to 800 m².

Figure 6: A user operating the Einhell GC-PM 40/1 lawn mower on a lawn.
5.4 Abstellen des Motors
Release the engine brake lever to stop the engine. Wait for all moving parts to come to a complete stop before approaching the mower.
5.5 Emptying the Grass Bag
When the fill-level indicator on the grass bag shows it is full, stop the engine and allow the blade to stop. Carefully remove the grass bag using its two handles and empty the clippings. Reattach the bag securely before resuming operation.
6. Wartung
Regelmäßige Wartung gewährleistet die Langlebigkeit und optimale Leistung Ihres Rasenmähers.
6.1 Reinigung
After each use, clean the mower deck and grass bag. Remove grass clippings and debris. Do not use high-pressure water directly on the engine or electrical components.
6.2 Motoröl prüfen und wechseln
Check the engine oil level before each use. Change the engine oil after the first 5 hours of operation, and then every 25 hours or annually, whichever comes first. Refer to the engine manual for detailed instructions.
6.3 Zündkerzenprüfung
Inspect the spark plug annually or every 50 hours. Clean or replace if necessary. Ensure the gap is set correctly according to the engine manual.
6.4 Luftfilterreinigung
Clean the air filter regularly, especially in dusty conditions. A dirty air filter can reduce engine performance. Refer to the engine manual for cleaning instructions.
6.5 Rotorblattprüfung
Regularly inspect the cutting blade for sharpness and damage. A dull or damaged blade can lead to poor cutting performance and excessive vibration. Have the blade sharpened or replaced by a qualified service technician if needed.
6.6 Speicherung
For long-term storage, clean the mower thoroughly. Drain the fuel tank or add a fuel stabilizer. Remove the spark plug and add a small amount of engine oil into the cylinder, then slowly pull the starter cord a few times to distribute the oil. Store the mower in a dry, well-ventilated area. The foldable handlebar allows for compact storage.
7. Fehlerbehebung
In diesem Abschnitt werden häufig auftretende Probleme behandelt.
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Motor startet nicht | No fuel; old fuel; incorrect oil level; spark plug issue; engine brake not engaged. | Check fuel level; use fresh fuel; check oil level; inspect/replace spark plug; ensure engine brake lever is held. |
| Ungleichmäßiger Schnitt | Dull or damaged blade; incorrect cutting height setting; mowing too fast. | Sharpen/replace blade; adjust cutting height; mow at a slower pace. |
| Übermäßige Vibration | Verbogene oder unausgewogene Klinge; lose Befestigungselemente. | Inspect blade for damage, replace if necessary; tighten all nuts and bolts. |
| Leistungsverlust | Dirty air filter; old fuel; low oil level. | Clean air filter; use fresh fuel; check/add oil. |
Sollten Sie auf Probleme stoßen, die hier nicht aufgeführt sind, oder falls die hier beschriebenen Lösungen das Problem nicht beheben, wenden Sie sich bitte an den Kundendienst.
8. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Produktabmessungen (L x B x H) | 138 x 53 x 102.5 cm |
| Gewicht | 17.1 Kilogramm |
| Modellnummer | 3404832 |
| Marke | Einhell |
| Stromquelle | Gasbetrieben |
| Material | Plastik |
| Farbe | Klassisches Rot |
| Stil | Mäher schieben |
| Schnittbreite | 40 Zentimeter |
| Betriebsmodus | Manual (Push) |
| Empfohlener Bereich | Bis zu 800 m² |
| Motorleistung | 1.2 kW |
| Schnitthöheneinstellung | 3 levels (30-60 mm) |
| Grassackkapazität | 45 Liter |
9. Garantie und Support
This product comes with a manufacturer's warranty. Spare parts availability is guaranteed for 2 years from the date of purchase.
For warranty claims, technical support, or to order spare parts, please contact your authorized Einhell dealer or visit the official Einhell webBitte halten Sie Ihre Modellnummer (3404832) und den Kaufbeleg bereit, wenn Sie sich an den Support wenden.





