McCulloch HT45 Spare Parts List
![McCulloch HT45 manual cover](/images/qalGjklrwDsCMNUwfkXMiJit/thumbs/thumb175x175.webp)
To start the McCulloch HT45 Trimmer, ensure the fuel tank is filled. Set the choke to the closed position, press the primer bulb several times until fuel is visible, and then pull the starter cord firmly. Once the engine starts, move the choke to the open position.
The McCulloch HT45 Trimmer requires a mixture of unleaded gasoline and high-quality 2-cycle engine oil at a ratio of 40:1. Avoid using fuels with more than 10% ethanol.
If the trimmer won't start, check the fuel level and ensure the fuel is fresh. Inspect the spark plug for dirt or damage, and clean or replace it if necessary. Verify that the air filter is clean and the choke is set correctly.
The trimmer blades should be sharpened every 50 hours of use or whenever you notice a decline in cutting performance. Use a flat file to sharpen the blades evenly.
Perform regular maintenance after every 10 hours of use, including checking and cleaning the air filter, inspecting the spark plug, and lubricating the blades. Annually, replace the spark plug and inspect the fuel system.
To replace the spark plug, first disconnect the spark plug wire. Use a spark plug wrench to remove the old plug. Install a new, correctly gapped spark plug, and tighten it securely, then reconnect the spark plug wire.
Prevent overheating by ensuring the air intake is clear of debris, the air filter is clean, and the fuel mixture is correct. Avoid running the trimmer at full throttle for extended periods.
Excessive vibration can be caused by uneven blade wear or loose parts. Check the blades for damage and balance, and ensure all screws and bolts are tightened. Replace damaged blades as necessary.
Remove the air filter cover, take out the filter, and wash it with warm soapy water. Allow it to dry completely before reinstalling. Replace the filter if it's damaged or excessively dirty.
The McCulloch HT45 Trimmer is designed for trimming hedges with medium-density branches. For thicker branches, consider using a more powerful model or a dedicated hedge cutter.