COOCHEER 58CC 4-in-1 Gas Powered Weed Eater Brush Cutter

1. Safety Information

Always prioritize safety when operating power tools. Failure to follow safety instructions can result in serious injury or death.

• Read the Manual: Thoroughly read and understand this entire instruction manual before assembly, operation, or maintenance.
• Personal Protective Equipment (PPE): Always wear appropriate safety gear, including safety glasses or goggles, hearing protection, heavy-duty gloves, long pants, and sturdy, non-slip footwear.
• Clear Work Area: Ensure the work area is clear of bystanders, children, and pets. Remove any debris or obstacles that could be thrown by the cutting head.
• Fuel Handling: Handle gasoline with extreme care. Store fuel in an approved container, away from ignition sources. Mix fuel outdoors in a well-ventilated area. Do not smoke while fueling.
• Inspect Before Use: Before each use, inspect the unit for loose parts, damaged components, or fuel leaks. Do not operate if damaged.
• Proper Grip: Maintain a firm grip on both handles during operation.
• Avoid Kickback: Be aware of potential kickback, especially when using blade attachments.
• Engine Hot: The engine and muffler become very hot during operation and can cause burns. Allow the engine to cool before touching or storing.

2. Package Contents

Verify that all items are present and undamaged upon opening the package.

• 58CC Gas Powered Engine Unit
• Main Shaft Assembly
• Adjustable U-Handle
• Shoulder Strap
• String Trimmer Head (2 units)
• 3-T Blade (for dense grass)
• 40-T Circular Blade (for heavy brush)
• Safety Guard
• Fuel Mixing Bottle
• Tool Kit (wrenches, screwdriver)
• User Manual

Image: All components included in the package, laid out for inspection.

3. Assembly

Follow these steps to assemble your 4-in-1 Gas Powered Weed Eater Brush Cutter.

1. Attach the U-Handle: Secure the adjustable U-handle to the main shaft using the provided clamps and bolts. Ensure it is positioned comfortably for balanced operation.


Image: Close-up of the adjustable U-handle attachment point on the shaft.

2. Install the Safety Guard: Attach the safety guard to the lower part of the shaft, above the cutting head. This guard protects against flying debris.


Image: Close-up of the safety guard attached to the lower shaft.

3. Attach the Desired Trimming Head:
   • Disassemble the screw with the tool.
   • Fix shaft and align holes.
   • Install the blade (if using a blade).
   • Put on the washer.
   • Put on the cover.
   • Tighten the screw securely.

Image: Step-by-step visual guide for installing the various trimmer heads.

4. Setup

Proper setup ensures optimal performance and safety.

1. Fuel Mixing: This unit requires a 2-cycle engine oil and gasoline mixture at a ratio of 25:1 (25 parts gasoline to 1 part 2-cycle engine oil). Use fresh, unleaded gasoline with an octane rating of 87 or higher. Mix thoroughly in the provided fuel mixing bottle.


Image: Close-up of the engine unit, showing the fuel tank cap.

2. Filling the Fuel Tank: Carefully pour the mixed fuel into the fuel tank. Do not overfill. Securely replace the fuel cap.
3. Starting Procedure:
   • Turn on the ignition switch.
   • Add gasoline and engine oil (if not already mixed and added).
   • Squeeze the oil bubble until the pipe is filled with oil.
   • Push the damper rod lever up.
   • Pull the starting cord gently.
   • Pull the cord twice quickly after feeling the force.
   • Push the damper rod down when hearing the ignition sound, and then repeatedly operate step five three times.

Image: Step-by-step visual guide for the engine starting procedure.

5. Operating Instructions

This 4-in-1 tool is designed for various landscaping tasks. Always wear appropriate PPE and maintain a safe distance from others.

• Ergonomic Design: The unit features an ergonomic design with an adjustable two-hand control for balance and reduced effort. The adjustable shoulder strap provides maximum comfort and weight distribution.
• Throttle Control: The high safety valve throttle protection switch prevents accidental starts. Familiarize yourself with the throttle and stop switch before operation.

Image: Operator using the brush cutter with ergonomic U-handle and shoulder strap, demonstrating proper posture.

Using the Attachments:

• String Trimmer Head (9.8-inch cutting width): Ideal for trimming grass and light weeds around obstacles, fences, and garden beds. Move the trimmer in a sweeping motion.


Image: Operator using the string trimmer attachment to clear tall grass.

• 3-T Blade (18.5-inch cutting width): Suitable for cutting dense grass and thicker weeds. Use a steady, controlled motion, allowing the blade to do the work.
• 40-T Circular Blade (18.5-inch cutting width): Designed for heavy brush, small saplings, and overgrown areas. Exercise extreme caution when using this blade. Maintain a firm grip and be aware of potential kickback.

Image: Visual comparison of cutting results using different trimmer heads on various types of vegetation.

Image: Operator using the brush cutter in a field, demonstrating the product's reach and application.

Official Product Videos:

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your tool.

• Cleaning: After each use, clean the cutting head, guard, and engine housing to remove grass, dirt, and debris.
• Spark Plug: Inspect the spark plug periodically. Clean or replace if fouled or worn.
• Air Filter: Clean the air filter regularly, especially in dusty conditions. A clogged air filter can reduce engine performance.
• Fuel Filter: Check and replace the fuel filter as needed to prevent fuel system blockages.
• Blade Maintenance: Inspect blades for sharpness and damage. Sharpen or replace dull/damaged blades. Always wear heavy gloves when handling blades.
• Fuel Storage: When storing the unit for extended periods, drain the fuel tank or use a fuel stabilizer to prevent fuel degradation.

7. Troubleshooting

Refer to this section for common issues and their solutions.

8. Specifications

• Brand: COOCHEER
• Model Number: COOCH-5111G
• Power Source: Gas Powered
• Engine Displacement: 58CC
• Cutting Width (String Trimmer): 9.8 Inches
• Cutting Width (Blades): 18.5 Inches
• Product Dimensions (L x W): 73"L x 10.2"W
• Fuel Mix Ratio: Gasoline:Engine oil 25:1
• Required Assembly: Yes

9. Warranty and Support

Your satisfaction with COOCHEER products is our priority. If you encounter any issues with your gas brush cutter, our customer service team is available to assist you.

For support, please refer to the contact information provided on the product packaging or the official COOCHEER website.