COOCHEER 58cc 4-in-1 Gas Brush Cutter and String Trimmer User Manual

1. Introduction

This manual provides essential information for the safe operation, assembly, maintenance, and troubleshooting of your COOCHEER 58cc 4-in-1 Gas Brush Cutter and String Trimmer. Please read these instructions carefully before using the equipment to ensure proper function and to prevent injury or damage.

Figure 1: COOCHEER 58cc 4-in-1 Gas Brush Cutter and String Trimmer. This image shows the complete assembly of the brush cutter with a circular saw blade attachment.

2. Safety Guidelines

Always prioritize safety when operating power tools. Failure to follow these guidelines may result in serious injury.

• Read the Entire Manual: Understand all instructions and warnings before use.
• Wear Personal Protective Equipment (PPE): Always wear safety glasses or goggles, hearing protection, heavy-duty gloves, long pants, and sturdy, non-slip footwear. A hard hat and face shield are recommended for brush cutting.
• Inspect the Work Area: Clear the area of debris, rocks, wires, or other objects that could be thrown or entangled in the cutting head. Keep bystanders, children, and pets at a safe distance (at least 50 feet/15 meters).
• Inspect the Equipment: Before each use, check for loose fasteners, damaged parts, or fuel leaks. Do not operate if any components are damaged.
• Fuel Handling: Mix and store fuel in a well-ventilated area, away from ignition sources. Do not refuel while the engine is running or hot.
• Maintain Control: Always hold the trimmer firmly with both hands. Use the shoulder strap for balance and reduced fatigue.
• Avoid Contact: Keep hands and feet away from the cutting attachment when the engine is running.
• Engine Shut-off: Know how to stop the engine quickly in an emergency.
• Weather Conditions: Do not operate in wet conditions or rain.

3. Package Contents

Verify that all components are present upon unpacking. If any parts are missing or damaged, contact customer service.

• 58cc 2-Cycle Gas Engine Unit
• Straight Shaft Assembly
• Adjustable U-Handle
• 4x Cutting Heads:
  • 1x 4T Blade (for dense vegetation)
  • 1x 3T Blade (for grass and weeds)
  • 2x Dual Thread Line Heads (for lawn grass)
  • 1x Circular Saw Blade (for heavy brush)
• 1x Extra Start Pull Rope
• 1x Extra Spark Plug
• 1x Plastic Mixing Bottle (for fuel mixture)
• 1x Shoulder Strap
• 1x Safety Guard
• 1x Tool Kit (for installation)
• 1x Product Manual (this document)

Figure 2: Overview of all components included in the package. This image displays the engine, shaft, various cutting heads, tools, and accessories.

4. Assembly Instructions

Follow these steps to assemble your brush cutter/string trimmer. Refer to the diagram for visual guidance.

1. Attach the Shaft: Connect the engine unit to the straight shaft assembly, ensuring a secure fit.
2. Install the U-Handle: Mount the adjustable U-handle onto the shaft at a comfortable operating position. Tighten all fasteners securely.
3. Attach the Safety Guard: Secure the safety guard above the cutting head area to protect against debris.
4. Install Cutting Head: Select the desired cutting head (blade or string trimmer).
   • Disassemble the screw with the provided tool.
   • Fix the shaft and align the holes.
   • Install the blade or string trimmer head.
   • Place the washer and then the cover.
   • Tighten the screw firmly.
5. Attach Shoulder Strap: Connect the shoulder strap to the designated attachment point on the shaft for improved balance and reduced operator fatigue.

Figure 3: Detailed visual guide for installing the trimmer head and other assembly steps.

Assembly and Operation Video

Video 1: This video demonstrates the assembly process and highlights the 4-in-1 functionality of the COOCHEER 58cc Brush Cutter.

5. Fuel Mixing and Engine Start-up

This unit uses a 2-stroke engine and requires a specific gasoline-to-oil mixture. Use unleaded gasoline with an octane rating of 90 or higher.

Fuel Mixture Ratio:

Gasoline : 2-Stroke Engine Oil = 25 : 1

Use the provided mixing bottle to accurately measure and mix the fuel. Shake the mixture thoroughly before adding it to the fuel tank.

Starting Procedure:

1. Turn on Ignition: Locate the ignition switch on the handle and set it to the 'ON' position.
2. Add Fuel: Fill the fuel tank with the correctly mixed gasoline and oil.
3. Prime the Carburetor: Squeeze the oil bubble (primer bulb) several times until it is filled with fuel.
4. Engage Choke: Push the damper rod (choke lever) up to the 'CHOKE' position.
5. Pull Starter Cord: Pull the starter cord gently until resistance is felt, then pull quickly and firmly.
6. Disengage Choke: Once the engine starts or attempts to start, push the damper rod down to the 'RUN' position.
7. Restart (if necessary): If the engine does not start, repeat steps 5-6. If it starts and then stalls, push the damper rod down and pull the starter cord again.

Figure 4: Visual steps for the engine starting procedure, including ignition, priming, choking, and pulling the starter cord.

6. Operating the Brush Cutter/String Trimmer

Once the engine is running, allow it to warm up for a few moments before beginning work. Always maintain a firm grip on the handles and use the shoulder strap for support.

General Operation Tips:

• Throttle Control: Use the throttle trigger on the handle to control the engine speed and cutting power.
• Cutting Motion: For string trimming, use a sweeping motion from side to side. For brush cutting, approach the material steadily.
• Adjustable Handle: The U-handle can be adjusted along the shaft to provide optimal balance and comfort for the operator, reducing fatigue during extended use.
• Double Switch Control: The unit features a double switch control (trigger and lock-off button) for enhanced safety during operation.

Figure 5: Close-up view of the engine, fuel tank, and the control handle with throttle trigger and safety switch.

Figure 6: This image illustrates the versatility of the trimmer for various tasks, including cutting tender grass, weeds, small shrubs, and thicker brush.

7. Changing Cutting Attachments

The COOCHEER 4-in-1 system allows for quick conversion between different cutting heads. Always ensure the engine is off and the spark plug cap is disconnected before changing attachments.

Available Attachments:

• Circular Saw Blade: Ideal for heavy brush and small saplings.
• 3T/4T Blades: Suitable for dense grass and weeds.
• Dual Thread Line Heads: Best for general lawn grass trimming.

To change attachments, follow the steps outlined in Section 4, "Assembly Instructions," specifically the sub-steps for installing the cutting head. Ensure the new attachment is securely fastened before resuming operation.

Figure 7: This image displays the four interchangeable cutting heads: a circular saw blade for brush, a 3-tooth blade for dense grass, and two dual-line string trimmer heads for lawn grass.

8. Maintenance

Regular maintenance ensures the longevity and safe operation of your equipment. Always turn off the engine and disconnect the spark plug cap before performing any maintenance.

• Air Filter: Clean the air filter regularly, especially in dusty conditions. Replace if damaged.
• Spark Plug: Inspect the spark plug periodically. Clean or replace if fouled or worn. The product includes an extra spark plug for replacement.
• Fuel Filter: Check and clean the fuel filter as needed.
• Cutting Heads: Inspect blades for sharpness and damage. Sharpen or replace as necessary. Check string trimmer lines and replace when worn.
• General Cleaning: Keep the engine and cooling fins free of debris to prevent overheating. Wipe down the exterior of the unit after each use.
• Storage: When storing for extended periods, drain the fuel tank or use a fuel stabilizer. Store in a dry, well-ventilated area.

9. Troubleshooting

This section addresses common issues you might encounter. For problems not listed here, contact customer support.

10. Technical Specifications

• Brand: COOCHEER
• Model Number: 5111RX2
• Engine Displacement: 58cc
• Engine Type: 2-Cycle Gas Powered
• Maximum Engine Speed: 9300 r/min
• Fuel Mix Ratio: Gasoline:Engine oil 25:1
• Cutting Width: 10 Inches (Blades), 18 Inches (String Trimmer)
• Product Dimensions (L x W): 72"L x 10"W
• Color: Red
• Required Assembly: Yes

Figure 8: Diagram illustrating the key dimensions of the COOCHEER 58cc 4-in-1 Gas Brush Cutter.

11. Customer Support

For any questions, concerns, or assistance with your COOCHEER 58cc 4-in-1 Gas Brush Cutter and String Trimmer, please contact our customer service department. If you receive an incomplete package, please reach out to us for tracking information or missing parts.

Please refer to your purchase documentation for specific contact details or visit the official COOCHEER website for support information.