Stihl BT 131 Instruction Manual

Pages 76

Year 2020

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of 76

Stihl BT 131 Specification

The Stihl BT 131 is a robust and efficient earth auger designed for demanding professional applications. It is equipped with a powerful 36.3 cc 4-MIX engine that combines the benefits of a two-stroke engine with the advantages of a four-stroke engine, delivering high torque and excellent fuel efficiency while reducing emissions. This engine technology ensures reliable performance and long service intervals. The BT 131 features an ergonomic design with a multifunction handle that incorporates all the controls, providing ease of use and enhancing operator comfort. It includes a large hip pad which optimizes balance and support during operation, minimizing fatigue during extended periods of use. The auger is fitted with a quick-stop drill brake that immediately halts the rotation when the drill jams, increasing safety during operation. Additionally, the machine has a semi-automatic choke lever, simplifying start-up procedures and improving usability. The BT 131 is compatible with a wide range of drilling tools, making it versatile for various tasks such as soil sampling, fence installation, and tree planting. Its robust gearbox and sturdy frame ensure durability even in tough soil conditions. Overall, the Stihl BT 131 is engineered to deliver high performance, safety, and user comfort, making it a reliable choice for professionals in landscaping, agriculture, and construction.

Stihl BT 131 F.A.Q.

How do I start the Stihl BT 131 engine?

To start the Stihl BT 131, first ensure the machine is on a flat surface. Set the throttle to the start position, engage the choke, and pull the starter cord until the engine fires. Once it fires, set the choke to the run position and pull the starter cord again until the engine starts running smoothly.

What type of fuel should I use for the Stihl BT 131?

The Stihl BT 131 requires a fuel mixture of 50:1 gasoline to oil ratio. Use unleaded gasoline with a minimum octane rating of 89 and a high-quality 2-cycle engine oil.

How often should I clean the air filter on the BT 131?

The air filter should be checked before each use and cleaned if necessary. In dusty conditions, it may need to be cleaned more frequently to ensure optimal performance.

What should I do if the BT 131 engine won't start?

If the engine won't start, check the fuel level and ensure the correct fuel mixture is used. Inspect the spark plug for fouling or damage and replace if necessary. Verify the air filter is clean and replace if dirty. Ensure that the choke and throttle are set correctly.

How do I properly store the BT 131 when not in use?

Before storing the BT 131, empty the fuel tank and run the engine until it stops to prevent fuel from degrading in the carburetor. Clean the machine thoroughly, including the air filter and spark plug, and store it in a dry place away from direct sunlight.

What kind of drill bits can be used with the BT 131?

The Stihl BT 131 is compatible with various Stihl drill bits designed for soil and earth drilling. Ensure that the drill bit is properly secured before operation.

How can I reduce vibration while using the BT 131?

To reduce vibration, ensure that the anti-vibration system is intact and functioning properly. Use the machine at a consistent speed and avoid pressing too hard while drilling. Regular maintenance, such as tightening loose parts, can also help minimize vibration.

What maintenance is required for the BT 131 gearbox?

The gearbox should be checked regularly for lubricant levels and topped up as necessary with Stihl gear lubricant. Inspect the gearbox for any signs of wear or damage and replace any faulty components promptly.

How do I adjust the throttle cable on the BT 131?

To adjust the throttle cable, locate the adjustment screw near the throttle trigger. Loosen the locknut and turn the adjustment screw to achieve the desired tension. Tighten the locknut once the adjustment is complete.

What safety precautions should I take when operating the BT 131?

Always wear appropriate personal protective equipment, including gloves, eye protection, and hearing protection. Ensure the immediate area is clear of obstacles and bystanders. Familiarize yourself with the machine's controls and operation manual before use.