Stihl AutoCut 40-4 Instruction Manual

Pages 2

Year 2005

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Stihl AutoCut 40-4 Specification

The Stihl AutoCut 40-4 is a high-performance trimmer head designed for professional and residential use, providing efficient cutting capabilities for a variety of grass and weed management tasks. Engineered for durability and reliability, the AutoCut 40-4 features a robust housing crafted from impact-resistant materials, ensuring longevity even under rigorous conditions. The trimmer head supports a dual-line system, facilitating a cutting diameter that enhances productivity by reducing the time spent on repetitive tasks. With a line diameter capacity ranging between 2.4mm and 3.3mm, the AutoCut 40-4 accommodates heavy-duty applications, making it suitable for dense vegetation.

The head is equipped with an innovative bump feed mechanism that allows for easy line advancement, minimizing downtime and maintaining consistent performance. This user-friendly feature ensures that operators can quickly replenish the cutting line without disassembling the unit, allowing for seamless operation. Compatible with various Stihl trimmers, the AutoCut 40-4 offers versatile application across different models, enhancing its adaptability to specific user needs. The trimmer head's ergonomic design contributes to reduced operator fatigue, promoting prolonged use without compromising comfort or efficiency.

Additionally, the AutoCut 40-4 is designed with an emphasis on easy maintenance, featuring straightforward disassembly for line replacement and cleaning. Its construction supports consistent, high-speed rotation, delivering precise cuts essential for maintaining well-manicured lawns and landscapes. Ideal for both professional landscapers and homeowners, the Stihl AutoCut 40-4 combines advanced technology with practical functionality, positioning it as a reliable tool in lawn care and maintenance.

Stihl AutoCut 40-4 F.A.Q.

How do I properly install the Stihl AutoCut 40-4 head on my trimmer?

To install the Stihl AutoCut 40-4, first ensure the trimmer is off and the spark plug is disconnected. Remove the existing head by unscrewing it. Align the AutoCut 40-4 with the trimmer's shaft and screw it on securely. Consult the manual for specific instructions for your model.

What is the recommended line diameter for the AutoCut 40-4?

The recommended line diameter for the Stihl AutoCut 40-4 is 0.095 inches (2.4 mm). Ensure you use the correct line to prevent damage and ensure optimal performance.

How do I replace the line on the AutoCut 40-4?

To replace the line, first remove the cap by pressing the tabs on either side. Cut approximately 25 feet of line and insert the ends into the eyelets. Wind the line evenly in the direction of the arrow on the reel. Reattach the cap securely.

What should I do if the line does not advance automatically?

If the line does not advance, ensure the line is properly wound and not tangled. Check the eyelets for blockages and clean them if necessary. Also, ensure that the head is not damaged.

Can I use the AutoCut 40-4 for edging lawns?

Yes, the AutoCut 40-4 can be used for edging lawns. However, it is primarily designed for trimming grass and light vegetation. For precise edging, consider using a dedicated edger attachment if available.

How often should I check and maintain the AutoCut 40-4 head?

Regularly inspect the AutoCut 40-4 head for wear and damage after each use. Clean it thoroughly to remove debris. Replace any worn parts as needed to ensure optimal performance and safety.

What are common signs that the AutoCut 40-4 needs maintenance?

Common signs include difficulty in line advancement, unusual vibrations, and visible wear or damage on the head. Regular maintenance can prevent these issues.

How can I improve the durability of my AutoCut 40-4 head?

To improve durability, avoid using the head on rough surfaces or thick brush. Regularly clean the head to prevent buildup of debris, and always use the recommended line size and material.

Is it possible to repair a cracked AutoCut 40-4 housing?

While minor cracks might be temporarily repaired with strong adhesive, it is recommended to replace the housing for safety and performance reasons. Damaged parts can lead to malfunction or injury.

What should I do if the AutoCut 40-4 head is vibrating excessively?

Excessive vibration may indicate an imbalance. Check for even line distribution and ensure the head is mounted correctly. Inspect for any damage or debris and clean or replace parts as necessary.