McCulloch M40-450CPR Spare Parts List
![McCulloch M40-450CPR manual cover](/images/UodECaBQcSDQJoVMtaKKNWfB/thumbs/thumb175x175.webp)
To start the McCulloch M40-450CPR, ensure the fuel tank is filled, the spark plug is connected, and the throttle lever is set to the choke position. Pull the starter rope firmly until the engine starts.
The McCulloch M40-450CPR lawn mower requires unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends over 10%.
It is recommended to change the oil after the first 5 hours of use and then every 25 hours of operation or at the start of each mowing season.
Check the fuel level, ensure the spark plug is clean and properly connected, verify the air filter is not clogged, and ensure the throttle is set to the correct position.
To adjust the cutting height, locate the height adjustment levers on each wheel and move them to the desired position. Ensure all wheels are set to the same height for even cutting.
Before storing the lawn mower for winter, drain the fuel tank, change the oil, clean the mower deck, remove the spark plug, and store it in a dry place.
Turn off the mower and disconnect the spark plug. Use a garden hose to rinse off grass clippings and debris from the mower deck. For stubborn dirt, a brush may be used.
Excessive vibration may be caused by a loose blade or debris under the deck. Check the blade for tightness and ensure the deck is clean. If the issue persists, consult a professional.
Disconnect the spark plug wire, remove the old spark plug using a spark plug wrench, and install a new spark plug. Ensure it is tightened securely and reconnect the spark plug wire.
Use SAE 30 oil for temperatures above 40°F (4°C) and SAE 10W-30 for temperatures below. Always check the oil level before use.