With a few inexpensive tools and by referring to the instruction manual, you can give your lawnmower the regular and systematic care and service it needs for safe, trouble-free service during the coming summer months.
Bear, W. Forrest
"Add Life to Your Lawnmower!,"
Iowa Farm Science: Vol. 15
, Article 6.
Available at: http://lib.dr.iastate.edu/farmscience/vol15/iss11/6