McCulloch M40-450CP Spare Parts List
![McCulloch M40-450CP manual cover](/images/ZbnktrskHRryQsLBXervmktQ/thumbs/thumb175x175.webp)
To start the McCulloch M40-450CP, ensure the mower is on a flat surface. Prime the engine by pressing the primer bulb 3-5 times, pull the starter rope firmly, and the engine should start. Make sure the throttle lever is in the 'start' position.
Use SAE 30 oil for the McCulloch M40-450CP lawn mower. Ensure that the oil is suitable for lawn mower engines and meets API service classifications of SF, SG, SH, SJ or higher.
It is recommended to sharpen the blade after every 25 hours of mowing or at least twice per mowing season. Dull blades can tear grass and cause lawn damage.
To adjust the cutting height, locate the height adjustment levers on each wheel. Move the levers to the desired height setting, ensuring all wheels are set to the same height.
If the mower won't start after storage, check the fuel tank for stale fuel and replace it. Inspect the spark plug for wear and replace if necessary. Ensure the air filter is clean and the battery is charged if applicable.
Before storage, drain the fuel tank or add a fuel stabilizer, clean the mower thoroughly, change the oil, and remove the spark plug. Store the mower in a dry place.
To replace the air filter, locate the air filter cover on the side of the engine. Remove the cover, take out the old filter, and insert a new one. Secure the cover back in place.
Excessive vibration could be due to an unbalanced blade. Check if the blade is damaged or worn and replace if necessary. Ensure all bolts and connections are tightened properly.
To clean the deck, ensure the mower is off and disconnect the spark plug. Tilt the mower on its side and use a hose to wash away grass clippings and debris. Scrape off any stuck-on residue with a plastic scraper.
Change the oil after the first 5 hours of use, then every 25 hours of operation or once per mowing season, whichever comes first. Regular oil changes ensure optimal engine performance.