I'm having trouble pushing my Sun Joe manual reel mower? The Sun Joe reel mowers are best used on medium to low length grass. Try raising the cutting height to the highest setting and making two passes the first time. For future cuts, make sure the grass is a reasonable height. Related articles What type of compound should I use to sharpen the blades on my Mow Joe Series Reel Mower? How do I adjust the blade tension on my manual mower? What type of compound should I use to sharpen the blades on my Mow Joe MJ501M? What's the advantage of a Hover Mower over a typical Lawn Mower? My unit is not starting.