1. Pengenalan
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your ECHO GC351 chainsaw. Please read and understand all instructions before operating the machine. Proper use and maintenance will ensure optimal performance and extend the lifespan of your chainsaw.
2. Maklumat Keselamatan
Operating a chainsaw can be hazardous. Always prioritize safety to prevent serious injury or death. Adhere to all local regulations and safety guidelines.
2.1 Peralatan Pelindung Diri (PPE)
- Perlindungan Kepala: Pakai topi keledar keselamatan.
- Perlindungan Mata: Gunakan cermin mata keselamatan atau pelindung muka.
- Perlindungan Pendengaran: Wear earplugs or earmuffs.
- Perlindungan Tangan: Pakai sarung tangan kerja berat.
- Perlindungan Kaki: Use chainsaw protective trousers or chaps.
- Perlindungan Kaki: Pakai but keselamatan berjari keluli dengan cengkaman yang baik.
2.2 Keselamatan Kawasan Kerja
- Pastikan kawasan kerja bebas daripada orang ramai, kanak-kanak dan haiwan peliharaan.
- Maintain stable footing and balance at all times.
- Clear away obstacles that could cause you to trip or lose balance.
- Do not operate the chainsaw in wet conditions or in areas with poor visibility.
2.3 Keselamatan Bahan Api
- Handle fuel in a well-ventilated area, away from sparks or open flames.
- Do not smoke while fueling the chainsaw.
- Lap sebarang bahan api yang tertumpah dengan segera.
- Store fuel in approved containers.
2.4 Keselamatan Operasi
- Always hold the chainsaw firmly with both hands, with your thumbs and fingers encircling the handles.
- Sedarlah sogokan balik, which can occur when the moving chain at the tip of the guide bar contacts an object.
- Never operate the chainsaw when fatigued, ill, or under the influence of alcohol or drugs.
- Jangan menjangkau atau memotong melebihi paras bahu.
3. Komponen dan Kawalan
Familiarize yourself with the various parts of your ECHO GC351 chainsaw before operation.

Imej 3.1: The ECHO GC351 chainsaw in operation, demonstrating its use for cutting logs. The image shows the guide bar and chain engaged with a wooden log, with sawdust visible on the ground. A gloved hand is holding the rear handle, indicating proper two-hand operation.
- Bar Panduan: Menyokong dan membimbing rantai gergaji.
- Rantai Gergaji: The cutting component of the chainsaw.
- Front Hand Guard: Protects the operator's left hand and activates the chain brake.
- Pemegang hadapan: For the operator's left hand.
- Grip Permulaan: Digunakan untuk menghidupkan enjin.
- Tuas Tercekik: Digunakan untuk menghidupkan enjin sejuk.
- Pemegang Belakang: For the operator's right hand, contains throttle controls.
- Pencetus Pendikit: Mengawal kelajuan enjin.
- Throttle Trigger Lockout: Prevents accidental throttle engagement.
- Brek rantai: Safety device to stop the chain quickly.
- Peredam: Mengurangkan bunyi enjin dan menghalakan gas ekzos.
- Penutup Tangki Bahan Api: Covers the fuel tank opening.
- Penutup Tangki Minyak: Covers the chain oil tank opening.
- Engine Stop Switch: Turns the engine off.
4. Persediaan
4.1 Guide Bar and Saw Chain Assembly
- Ensure the engine is off and the spark plug cap is disconnected.
- Remove the chain cover nuts and chain cover.
- Place the saw chain around the clutch drum and guide bar. Ensure the cutting edges face forward on the top of the guide bar.
- Mount the guide bar onto the studs, aligning the chain tensioner pin with the hole in the guide bar.
- Replace the chain cover and loosely tighten the nuts.
- Adjust chain tension using the tensioning screw. The chain should be snug against the guide bar but still able to be pulled freely by hand.
- Tighten the chain cover nuts securely.
4.2 Mengisi bahan api
The ECHO GC351 uses a 2-stroke engine. It requires a specific mixture of gasoline and 2-stroke engine oil.
- Campuran Bahan Api: Use unleaded gasoline mixed with high-quality 2-stroke engine oil at a ratio specified by the manufacturer (typically 50:1 or 25:1, refer to your engine oil's instructions).
- Tangki Bahan Api: Carefully fill the fuel tank, avoiding overfilling. Securely close the fuel tank cap.
- Tangki Minyak Rantai: Fill the chain oil tank with appropriate chain lubricant. This oil is crucial for lubricating the guide bar and chain during operation. Securely close the oil tank cap.
5. Arahan Operasi
5.1 Menghidupkan Enjin
Cold Start (First start of the day or after a long period of inactivity):
- Letakkan gergaji rantai di atas permukaan yang keras dan rata.
- Libatkan brek rantai by pushing the front hand guard forward.
- Tetapkan engine stop switch ke kedudukan ON.
- Tarik tuil tercekik to the FULL CHOKE position.
- If equipped, press the mentol primer several times until fuel is visible.
- Hold the front handle firmly with one hand and pull the cengkaman permulaan briskly until the engine fires (usually a few pulls).
- Once the engine fires, immediately push the tuil tercekik to the HALF CHOKE or RUN position.
- Tarik cengkaman permulaan again until the engine starts and runs smoothly.
- Briefly blip the pencetus pendikit to disengage the half-choke.
- Lepaskan brek rantai by pulling the front hand guard back towards the front handle. The chain should now be free to move.
Warm Start (Engine is already warm from recent use):
- Letakkan gergaji rantai di atas permukaan yang keras dan rata.
- Libatkan brek rantai.
- Tetapkan engine stop switch ke kedudukan ON.
- Memastikan tuil tercekik is in the RUN position.
- Hold the front handle firmly and pull the cengkaman permulaan briskly until the engine starts.
- Lepaskan brek rantai.
5.2 Teknik Memotong
- Always maintain a firm, balanced stance.
- Keep both hands on the chainsaw handles at all times during operation.
- Elakkan memotong dengan hujung bar panduan untuk meminimumkan risiko sogokan.
- When cutting, allow the chain to do the work. Do not force the saw.
- Be aware of falling branches or logs and plan your escape route.
5.3 Menghentikan Enjin
- Lepaskan pencetus pendikit to allow the engine to return to idle.
- Libatkan brek rantai.
- Gerakkan engine stop switch ke kedudukan OFF.
6. Penyelenggaraan
Regular maintenance is crucial for the safe and efficient operation of your chainsaw. Always ensure the engine is off and the spark plug cap is disconnected before performing any maintenance.
6.1 Daily / Before Each Use
- Semak chain tension: Adjust if too loose or too tight.
- Semak chain sharpness: Sharpen if dull or damaged.
- Sahkan chain oil level: Refill as needed.
- Periksa aras bahan api: Refill with proper fuel mixture.
- Semak penapis udara for excessive dirt.
- Ujian brek rantai kefungsian.
6.2 Selepas Setiap Penggunaan
- Bersihkan penapis udara.
- Bersihkan guide bar groove and oil holes.
- Remove sawdust and debris from the rantai and sprocket area.
- Bersih engine cooling fins untuk mengelakkan terlalu panas.
6.3 Penyelenggaraan Berkala
- Mengasah rantai: Sharpen the saw chain regularly using a round file of the correct diameter. Refer to the chain manufacturer's instructions.
- Palam Pencucuh: Inspect and clean the spark plug. Replace if electrodes are worn or fouled.
- Penapis Bahan Api: Inspect and replace the fuel filter as needed.
- Peredam: Clean carbon deposits from the muffler and exhaust port.
7. Penyelesaian masalah
This section addresses common issues you might encounter with your ECHO GC351 chainsaw.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Enjin tidak akan dihidupkan | No fuel, incorrect choke setting, fouled spark plug, chain brake engaged | Check fuel level and mixture, adjust choke, clean/replace spark plug, disengage chain brake |
| Enjin dihidupkan tetapi terhenti | Incorrect choke setting, dirty air filter, stale fuel | Adjust choke, clean air filter, replace fuel with fresh mixture |
| Rantai tidak memotong dengan cekap | Dull chain, incorrect chain tension, chain installed backward | Sharpen chain, adjust tension, check chain direction |
| Asap berlebihan daripada ekzos | Incorrect fuel/oil mixture, dirty air filter | Verify fuel mixture ratio, clean air filter |
8. Spesifikasi
Technical specifications for the ECHO GC351 Chainsaw.
| Ciri | Spesifikasi |
|---|---|
| Jenama | ECHO |
| Model | GC351 |
| Anjakan Enjin | 34.0 cc |
| Sumber Kuasa | berkuasa gas |
| Panjang Bar Panduan | 35 sm |
| Berat Produk | 4 kg |
| Dimensi Pakej | 85 x 29 x 29 cm |
| Pengeluar | Yamabiko Corporation |
| ASIN | B07CG74NP7 |
| Tarikh Tersedia Pertama | 2018/04/18 |
9. Waranti dan Sokongan
For warranty information, technical support, or service inquiries regarding your ECHO GC351 chainsaw, please contact the retailer where the product was purchased or refer to the official ECHO website for authorized service centers and contact details. Keep your proof of purchase for warranty claims.





