1. Introduction
This manual provides essential instructions for the safe assembly, operation, and maintenance of your Resfirme 49CC Gas Walk Behind Brush Cutter. Please read this manual thoroughly before using the equipment to ensure proper function and to prevent injury or damage.
Important Safety Information:
- Always wear appropriate safety gear, including gloves, eye protection, and ear protection when operating.
- Be cautious of flying debris and keep bystanders at a safe distance.
- Never pull the start cord with the product running.
- Always turn off the engine and allow it to cool before refueling.
2. Product Overview
The Resfirme 49CC Gas Walk Behind Brush Cutter is a versatile 2-in-1 tool designed for both brush cutting and soil loosening. It features a powerful 49cc 2-stroke air-cooled engine, durable construction, and user-friendly design elements.

Figure 2.1: Fully assembled Resfirme 49CC Gas Walk Behind Brush Cutter.
Key Features:
- Engine: 49CC 2-Stroke, 1.8Kw air-cooled engine with 6500-7000 r/min speed.
- Material: Titanium alloy wheels and thick main beam for durability.
- Design: Comfortable handle with free throttle control, foldable rear wheels for stability.
- Functionality: Combines mowing and soil loosening with interchangeable blades.
- Versatility: Suitable for various terrains and applications including mountains, hills, plains, orchards, and vegetable fields.

Figure 2.2: Detailed view of key components: lawn mower blade, fuel tank, anti-slip handle, and titanium alloy wheel.
3. Assembly Instructions
Carefully unpack all components and ensure all parts are present before beginning assembly. Refer to Figure 3.1 for an overview of the components.

Figure 3.1: All components included with the Resfirme 49CC Gas Walk Behind Brush Cutter.
Assembly Steps:
- Attach the Main Handlebar Assembly: Secure the main handlebar frame to the central chassis using the provided bolts and nuts. Ensure all connections are tight.
- Install Wheels: Attach the two large main wheels to the axle on the engine unit frame. The smaller rear support wheel should be attached to the rear leg of the handlebar assembly.
- Connect Engine Unit to Frame: Mount the engine unit, which includes the fuel tank and cutting head shaft, to the main frame. Ensure it is securely fastened.
- Attach Throttle Cable: Connect the throttle cable from the handlebar to the carburetor on the engine. Ensure the cable moves freely and operates the throttle mechanism correctly.
- Install Cutting Guard: Attach the red protective guard over the cutting head area. This guard is essential for user safety.
- Select and Install Cutting Attachment: Choose either the brush cutter blade or the soil loosening blades. Attach the desired blade securely to the cutting head shaft. Ensure the blade is oriented correctly for cutting (refer to Figure 2.2 for blade orientation).
- Final Checks: Verify all bolts and fasteners are tightened. Ensure no cables are pinched and all moving parts operate without obstruction.
4. Operating Instructions
4.1 Fueling the Engine
This brush cutter uses a 2-stroke engine and requires a specific fuel mixture. Use unleaded gasoline mixed with 2-stroke engine oil at a ratio of 25:1 (Gasoline:Oil).
- Always mix fuel in a separate, approved fuel container.
- Pour the mixed fuel into the fuel tank (refer to Figure 2.2 for fuel tank location).
- Do not overfill. Ensure the fuel cap is securely tightened after fueling.
4.2 Starting the Engine
- Place the brush cutter on a flat, stable surface.
- Ensure the cutting attachment is clear of any obstructions.
- Set the choke lever to the 'START' or 'CHOKE' position (if applicable).
- Press the primer bulb several times until fuel is visible in the return line.
- Pull the starter cord firmly and smoothly until the engine starts. Do not pull the cord to its full extension.
- Once the engine starts, gradually move the choke lever to the 'RUN' position.
- Allow the engine to warm up for a few moments before engaging the throttle.
4.3 Operating the Brush Cutter
- Hold the handles firmly with both hands.
- Engage the throttle to increase engine speed and activate the cutting attachment.
- Push the brush cutter forward at a steady pace, allowing the blade to cut through vegetation.
- For soil loosening, use the appropriate attachment and guide the machine over the soil to be tilled.
- Maintain a safe distance from the cutting head and avoid contact with hard objects like rocks or metal.
4.4 Stopping the Engine
- Release the throttle to allow the engine to return to idle.
- Move the engine stop switch to the 'OFF' position.
- Wait for all moving parts to come to a complete stop before leaving the machine unattended.
5. Maintenance
Regular maintenance ensures the longevity and safe operation of your brush cutter.
5.1 After Each Use
- Clean the cutting head and guard of any debris, grass, or dirt.
- Inspect the blade for damage or dullness. Sharpen or replace as needed.
- Check all fasteners for tightness and tighten if necessary.
5.2 Periodically
- Air Filter: Clean or replace the air filter to ensure proper engine performance.
- Spark Plug: Inspect and clean the spark plug. Replace if worn or fouled.
- Fuel Filter: Check and clean or replace the fuel filter.
- Gearbox Lubrication: Ensure the gearbox (if applicable) is adequately lubricated according to manufacturer recommendations.
5.3 Storage
- Before storing, drain the fuel tank or run the engine until it runs out of fuel to prevent fuel degradation.
- Clean the entire machine thoroughly.
- Store in a dry, well-ventilated area, away from direct sunlight and extreme temperatures.
- The rear wheels are foldable for more compact storage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not start |
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| Engine runs poorly or lacks power |
|
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| Blade not cutting effectively |
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7. Specifications
| Feature | Detail |
|---|---|
| Brand | Resfirme |
| Model | 49CC 2-Stroke Push Brush Cutter |
| Engine Type | 49CC 2-Stroke, Air-Cooled |
| Power Output | 1.8 Kw |
| Speed | 7000 RPM (Rated: 6500-7000 r/min) |
| Fuel Mixture | 25:1 (Gasoline:2-Stroke Oil) |
| Cutting Width | 5 Inches (Blade) |
| Product Dimensions (L x W) | 57.1" x 17.2" (145cm x 44cm) |
| Item Weight | 33.1 Pounds |
| Power Source | Gas Powered |
| Assembly Required | Yes |
| UPC | 736963529431 |

Figure 7.1: Product dimensions for the Resfirme 49CC Gas Walk Behind Brush Cutter.
8. Safety Information
Operating power equipment can be dangerous if proper safety precautions are not followed. Always prioritize your safety and the safety of others.
- Personal Protective Equipment (PPE): Always wear safety glasses or goggles, hearing protection, heavy-duty gloves, long pants, and sturdy, non-slip footwear.
- Work Area: Clear the work area of any debris, rocks, or other objects that could be thrown by the cutting blade. Keep children and pets at a safe distance (at least 50 feet/15 meters).
- Fuel Handling: Refuel in a well-ventilated area with the engine off and cool. Avoid spilling fuel. Do not smoke or use open flames near fuel.
- Blade Safety: The cutting blade is extremely sharp. Handle with care. Never touch the blade while the engine is running or still spinning. Ensure the blade is securely attached and correctly oriented.
- Engine Operation: Do not operate the machine in enclosed spaces due to exhaust fumes. Be aware of the hot engine and muffler during and after operation.
- Stability: Maintain a firm grip on the handles. Be aware of uneven terrain and potential loss of balance.
- Modifications: Do not modify the brush cutter in any way. Use only genuine replacement parts and accessories.
9. Warranty and Support
For warranty information or technical support, please contact Resfirme customer service. Keep your purchase receipt as proof of purchase.
Contact information may be available on the product packaging or the manufacturer's official website.