Utangulizi
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Tolsen 20in Gasoline Chain Saw (Model TLSN-79614). Please read this manual thoroughly before operating the chain saw to ensure proper use and to prevent injury or damage.
The Tolsen 20in Gasoline Chain Saw is designed for cutting wood, such as felling small trees, limbing, and bucking. It features a powerful 52cc 2-stroke engine with a rated power of 2000W (2.6Hp) and a 20-inch cutting bar.

Kielelezo cha 1: Tolsen 20in Gasoline Chain Saw. This image shows the complete chain saw assembly, highlighting its robust design and 20-inch bar.
Maonyo ya Jumla ya Usalama
- Vaa vifaa vya kinga vya kibinafsi vinavyofaa kila wakati (PPE), ikijumuisha miwani ya usalama, kinga ya usikivu, glavu na viatu imara.
- Never operate the chain saw when fatigued, under the influence of alcohol, drugs, or medication.
- Keep bystanders, children, and animals at a safe distance from the work area.
- Inspect the chain saw before each use for any damage, loose parts, or fuel leaks.
- Ensure the chain brake is functional and engaged when starting the engine or moving between cuts.
Kuweka na Kukusanya
1. Unpacking na kipengele kuangalia
Carefully remove all components from the packaging. Verify that all parts are present and undamaged. Refer to the parts diagram (not included in this text, but typically found in a physical manual) to identify each component.
2. Fuel Mixture Preparation
This chain saw uses a 2-stroke engine and requires a specific fuel-to-oil mixture. Use high-quality unleaded gasoline and a premium 2-stroke engine oil designed for air-cooled engines. Refer to the engine manufacturer's recommendations for the exact mixing ratio (typically 25:1 or 50:1, depending on oil type). The fuel tank capacity is 560ml.
- Mix fuel in a separate, approved fuel container.
- Shake the mixture thoroughly before pouring into the fuel tank.
- Always refuel in a well-ventilated area with the engine off and cool.
3. Ufungaji wa Baa ya Mnyororo na Mwongozo
- Hakikisha breki ya mnyororo imeunganishwa.
- Remove the side cover by loosening the nuts.
- Place the guide bar onto the studs, ensuring the chain tensioner pin aligns with the hole in the bar.
- Carefully fit the saw chain around the sprocket and into the guide bar groove. Ensure the cutting edges of the chain are facing the correct direction. The chain pitch is 3/8in (0.325in).
- Replace the side cover and hand-tighten the nuts.
- Adjust chain tension: The chain should be snug against the guide bar but still able to be pulled freely by hand. There should be no slack on the underside of the bar.
- Kaza karanga za kifuniko cha pembeni kwa usalama.
4. Bar and Chain Oil
Fill the oil tank (capacity 260ml) with high-quality bar and chain oil. This oil lubricates the chain and guide bar during operation, reducing friction and wear. Do not use engine oil or waste oil.
Maagizo ya Uendeshaji
1. Kuanzisha Injini
The Tolsen chain saw features an easy starting system with an automatic choke.
- Place the chain saw on a firm, flat surface. Ensure the chain brake is engaged.
- Bonyeza balbu ya primer mara kadhaa hadi mafuta yaonekane.
- Weka kipini cha kusokota kwenye nafasi ya "KISOGO KAMILI".
- Vuta kamba ya kuanzia kwa nguvu na kwa uthabiti hadi injini itakapowaka (kawaida vuta mara chache).
- Once the engine fires, immediately push the choke lever to the "HALF CHOKE" or "RUN" position.
- Vuta kamba ya kuanzia tena hadi injini ianze na iendeshe vizuri.
- Allow the engine to warm up for a few moments at idling speed (3200rpm ±5%).
- Disengage the chain brake before beginning cutting operations.
2. Operating Safety Features
- Safety Throttle Lever: This lever prevents accidental acceleration. It must be depressed along with the main throttle trigger to engage the engine.
- Rapid Reaction Chain Brake: The chain brake is a crucial safety device designed to stop the chain instantly in the event of kickback or other emergencies. Always ensure it is functional before use.
3. Mbinu za Kukata
Always maintain a firm grip with both hands on the chain saw handles. Stand with your feet apart for good balance. Plan your cuts to avoid kickback and ensure the tree or limb falls in the intended direction.

Kielelezo cha 2: Tolsen 20in Gasoline Chain Saw positioned for operation. This image illustrates the chain saw ready for use on the ground, demonstrating its practical application.
- Kuanguka: Involves making a notch cut and a felling cut to direct the tree's fall. Requires careful planning and assessment of the tree's lean and surrounding area.
- Kupunguza miguu na miguu: Removing branches from a felled tree. Work from the base of the tree towards the top, cutting smaller branches first.
- Bucking: Cutting a felled tree into sections. Support the log to prevent pinching the chain.
WARNING: Be aware of kickback. Kickback occurs when the moving chain at the tip of the guide bar contacts an object, or when the wood closes in and pinches the saw chain in the cut. This can cause a rapid, uncontrolled upward and backward movement of the guide bar towards the operator.
Matengenezo
Regular maintenance ensures the longevity and safe operation of your chain saw. Always ensure the engine is off and cool, and the spark plug cap is disconnected before performing any maintenance.
1. Kusafisha Kichujio cha Hewa
The chain saw is equipped with a long-life air filter that can be cleaned repeatedly. A dirty air filter reduces engine performance and increases fuel consumption.
- Ondoa kifuniko cha chujio cha hewa.
- Ondoa kwa uangalifu kipengele cha kichujio cha hewa.
- Clean the filter by tapping it gently or using compressed air. For heavily soiled filters, wash with warm soapy water, rinse thoroughly, and allow to dry completely before reinstallation.
- Reinstall the dry air filter and secure the cover.
2. Chain Sharpening and Tension
- Kunoa: A sharp chain is crucial for efficient and safe cutting. Sharpen the chain regularly using a round file of the correct diameter for the chain pitch (3/8in or 0.325in). Follow the manufacturer's recommended sharpening angles.
- Mvutano: Check chain tension frequently. A properly tensioned chain should be snug against the guide bar but still allow you to pull it around the bar by hand. Adjust as needed.
3. Ukaguzi wa Plug
Inspect the spark plug periodically. Clean any carbon deposits and check the electrode gap. Replace the spark plug if it is fouled or worn.
4. Usafishaji wa Jumla
After each use, clean the chain saw thoroughly. Remove sawdust, debris, and oil residue from the engine fins, air intake, and around the chain and guide bar. This prevents overheating and ensures proper operation.
Kutatua matatizo
This section addresses common issues you might encounter with your Tolsen chain saw.
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Injini haina kuanza | Hakuna mafuta au mchanganyiko usio sahihi wa mafuta Choke haijawekwa kwa usahihi Kiziba cha cheche kimechafuka au kina kasoro Breki ya mnyororo imeunganishwa | Angalia kiwango cha mafuta na mchanganyiko Kurekebisha lever ya choke Safisha au ubadilishe plagi ya cheche Ondoa breki ya mnyororo |
| Injini inafanya kazi, lakini mnyororo hausogei | Breki ya mnyororo imeunganishwa Clutch issue Mnyororo umekwama | Ondoa breki ya mnyororo Consult a qualified service technician Clear any debris from around the chain and bar |
| Utendaji mbaya wa kukata | Mnyororo mwepesi Mvutano wa mnyororo usio sahihi Insufficient bar and chain oil | Piga mnyororo Rekebisha mvutano wa mnyororo Fill oil tank with bar and chain oil |
| Injini inazidi joto | Kichujio cha hewa chafu Mapezi ya kupoeza yaliyoziba Mchanganyiko usio sahihi wa mafuta | Kichujio cha hewa safi Safi mapezi ya baridi Ensure correct fuel-to-oil ratio |
If you encounter problems not listed here or if solutions do not resolve the issue, please contact Tolsen customer support or a qualified service technician.
Vipimo
| Kipengele | Maelezo |
|---|---|
| Chapa | Tolsen |
| Nambari ya Mfano | TLSN-79614 |
| Uwezo wa Injini | 52cc |
| Aina ya Injini | Powerful 2-stroke engine |
| Nguvu Iliyokadiriwa | 2000W / 2.6Hp |
| Kasi ya Uvivu | 3200rpm ±5% |
| Max. Kukata Kipenyo | 500mm (inchi 20) |
| Chain Lami | 3/8in (0.325in) |
| Uwezo wa Tangi ya Mafuta | 560 ml |
| Uwezo wa Tangi ya Mafuta | 260 ml |
| Uzito wa Kipengee | Kilo 7.65 |
| Vipimo vya Bidhaa | 50L x 26.5W x sentimita 30H |
| Sifa Muhimu | Long life air filter, Easy starting - Automatic choke, Safety throttle lever, Rapid reaction chain brake |
Udhamini na Msaada
For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official Tolsen webtovuti. Weka risiti yako ya ununuzi kama uthibitisho wa ununuzi.
For technical assistance, spare parts, or service inquiries, please contact Tolsen customer support. Contact details can typically be found on the product packaging or the official Tolsen webtovuti.