Stihl MSA 120 C-BQ MSA 140 C-BQ Instruction Manual

Stihl MSA 120 C-BQ MSA 140 C-BQ manual cover
Pages 132
Year 2018
Language(s)
English en
Spanish sp

Stihl MSA 120 C-BQ MSA 140 C-BQ Specification

The Stihl MSA 120 C-BQ and MSA 140 C-BQ are compact, battery-powered chainsaws designed for homeowners and garden enthusiasts who require efficient and convenient tools for light-duty cutting tasks. Both models are powered by the AK series battery system, ensuring compatibility and ease of use. The MSA 120 C-BQ features a 12-inch guide bar, making it suitable for pruning, trimming, and cutting smaller trees and branches. It is equipped with a quiet, brushless motor that delivers consistent performance while maintaining a low noise level, ideal for residential areas. The tool-less Quick Chain Adjuster allows for easy tensioning of the chain without the need for additional tools.

The MSA 140 C-BQ offers a slightly more robust performance with a longer 14-inch guide bar, providing greater cutting capacity for larger branches and small trees. It shares the same efficient, brushless motor technology as the MSA 120 C-BQ, ensuring quiet operation and reduced maintenance. Both models are equipped with the Stihl Quickstop Super chain brake system for enhanced safety, automatically stopping the chain in the event of a kickback or when the front handguard is engaged. The ergonomic design of these chainsaws includes an anti-vibration system to minimize user fatigue during extended use. Both models have an automatic oiling system to ensure optimal lubrication of the chain and bar, enhancing performance and longevity. Lightweight and user-friendly, the Stihl MSA 120 C-BQ and MSA 140 C-BQ are ideal choices for those seeking reliable, eco-friendly chainsaws for everyday yard maintenance tasks.

Stihl MSA 120 C-BQ MSA 140 C-BQ F.A.Q.

What is the battery life of the Stihl MSA 120 C-BQ and MSA 140 C-BQ chainsaws?

The Stihl MSA 120 C-BQ can last up to 35 minutes on a full charge, while the MSA 140 C-BQ can last up to 45 minutes, depending on the type of work being performed.

How do I properly tension the chain on the MSA 120 C-BQ?

To tension the chain, first ensure the chainsaw is turned off. Use the side-mounted chain tensioning system by loosening the sprocket cover, then adjust the tensioning wheel until the chain sits snugly against the bar. Tighten the sprocket cover firmly before use.

What type of maintenance is required for these chainsaws?

Regular maintenance includes cleaning the air filter, checking and sharpening the chain, inspecting the guide bar for wear, and ensuring the battery and charger are kept clean and dry.

How can I troubleshoot if the chainsaw does not start?

Ensure the battery is fully charged and properly inserted. Check for any debris in the battery compartment and clean as necessary. If the problem persists, consult the user manual or contact Stihl support.

Can the MSA 120 C-BQ and MSA 140 C-BQ be used in wet conditions?

While the chainsaws are designed to withstand some exposure to moisture, they should not be used in heavy rain or submerged in water. Always ensure the equipment is dry before storage.

What safety features are included with these chainsaws?

Both models feature a QuickStop Super chain brake, a front hand guard to protect the operator, and a locking mechanism on the battery to prevent accidental start-up.

How do I clean the Stihl MSA 120 C-BQ after use?

After use, remove the battery and clean the chainsaw with a soft brush or cloth. Pay special attention to the chain and guide bar, removing any sawdust or debris. Ensure all parts are dry before reassembly.

What type of oil should be used for the chain lubrication?

Use high-quality bar and chain oil to ensure optimal lubrication and performance. Stihl recommends their own brand for best results.

How do I store the chainsaw when not in use?

Remove the battery and store it separately in a cool, dry place. Clean the chainsaw and apply a thin layer of oil to the chain and bar to prevent rust. Store the chainsaw in a secure location away from moisture and direct sunlight.

What is the recommended way to sharpen the chain on these models?

Use a round file and file guide specifically designed for your chain type. File each cutter with an even number of strokes, maintaining the correct angle. Regular sharpening helps maintain cutting efficiency and safety.