McCulloch TrimMac 251 SST Spare Parts List

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Year 2003

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McCulloch TrimMac 251 SST Specification

The McCulloch TrimMac 251 SST Trimmer is a lightweight and efficient tool designed for residential lawn maintenance. It is powered by a robust 25cc 2-stroke engine, which delivers ample power for trimming tasks while ensuring fuel efficiency and reduced emissions. The trimmer features a curved shaft design, enhancing maneuverability and providing an ergonomic working posture, making it comfortable for extended use. The TrimMac 251 SST is equipped with a Tap 'n Go dual-line cutting system, allowing for quick line feed with a simple tap of the trimmer head on the ground, thus minimizing downtime and maintaining productivity. Its cutting width of 40 cm ensures effective coverage, making it suitable for small to medium-sized gardens. Starting the trimmer is made easy with a primer bulb and an easy-access choke system, facilitating reliable starts even in colder conditions. The trimmer's lightweight construction, weighing only 3.9 kilograms, reduces user fatigue and enhances portability. Designed with user safety in mind, the TrimMac 251 SST includes a protective guard to shield the operator from debris and flying objects. Maintenance is straightforward, with easy access to the air filter and spark plug for routine checks and replacements. Overall, the McCulloch TrimMac 251 SST Trimmer combines performance, ease of use, and ergonomic design, making it a dependable choice for homeowners looking to maintain their lawns efficiently.

McCulloch TrimMac 251 SST F.A.Q.

How do I start the McCulloch TrimMac 251 SST Trimmer?

To start the McCulloch TrimMac 251 SST Trimmer, ensure the trimmer is on a flat surface. Set the choke to the 'Start' position, press the primer bulb 6 times, and pull the starter rope until the engine fires. Once it starts, move the choke to the 'Run' position.

What type of fuel should I use for the TrimMac 251 SST?

Use a mixture of unleaded gasoline and a high-quality 2-stroke engine oil. The recommended ratio is 40:1, which means 3.2 ounces of oil per gallon of gasoline.

How do I replace the trimmer line on the TrimMac 251 SST?

To replace the trimmer line, turn off the trimmer and disconnect the spark plug. Unscrew the cap from the trimmer head, remove the old line, and insert a new line of the appropriate length. Follow the directional arrows on the spool for winding.

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

If the engine won't start, check the fuel tank for adequate fuel and ensure the fuel is fresh. Inspect the spark plug for wear or damage, and clean or replace it if necessary. Also, check the air filter for clogs and clean it if needed.

How often should I clean the air filter on the TrimMac 251 SST?

The air filter should be checked before each use and cleaned after every 5 hours of operation. Replace the air filter if it is damaged or excessively dirty.

What maintenance is required for the TrimMac 251 SST trimmer?

Regular maintenance includes checking the air filter, spark plug, and fuel filter. Lubricate moving parts, inspect the trimmer head, and clean the machine after each use. Replace parts as necessary to ensure optimal performance.

How do I adjust the carburetor on the TrimMac 251 SST?

To adjust the carburetor, locate the adjustment screws on the side of the carburetor. Turn the low-speed screw clockwise until it stops, then back it out 1.5 turns. Adjust the high-speed screw in the same manner. Fine-tune as necessary to achieve optimal performance.

What could cause the trimmer line to break frequently?

Frequent line breakage can be caused by using the wrong size of line, hitting hard surfaces, or the line being wound incorrectly. Ensure the line is the correct diameter and avoid contact with hard objects while trimming.

How do I store the TrimMac 251 SST for the winter?

To store the trimmer for winter, empty the fuel tank and run the engine until it stops to clear the carburetor. Clean the trimmer thoroughly, apply a light oil coating to metal parts, and store it in a dry, cool place.

How can I improve the performance of my TrimMac 251 SST?

To improve performance, regularly maintain the trimmer by keeping the air filter clean, using fresh fuel, sharpening the cutting blade, and ensuring the spark plug is in good condition. Use the trimmer according to the manual's guidelines.